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_product31.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 02:41:05,396 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 02:41:05,398 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 02:41:05,410 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 02:41:05,410 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 02:41:05,411 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 02:41:05,413 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 02:41:05,415 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 02:41:05,417 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 02:41:05,417 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 02:41:05,418 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 02:41:05,420 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 02:41:05,420 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 02:41:05,421 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 02:41:05,422 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 02:41:05,423 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 02:41:05,424 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 02:41:05,425 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 02:41:05,430 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 02:41:05,434 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 02:41:05,437 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 02:41:05,439 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 02:41:05,443 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 02:41:05,445 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 02:41:05,448 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 02:41:05,450 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 02:41:05,450 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 02:41:05,451 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 02:41:05,453 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 02:41:05,455 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 02:41:05,455 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 02:41:05,457 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 02:41:05,458 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 02:41:05,459 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 02:41:05,463 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 02:41:05,463 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 02:41:05,464 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 02:41:05,464 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 02:41:05,465 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 02:41:05,467 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 02:41:05,468 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 02:41:05,471 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 02:41:05,499 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 02:41:05,499 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 02:41:05,500 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 02:41:05,500 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 02:41:05,501 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 02:41:05,501 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 02:41:05,501 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 02:41:05,502 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 02:41:05,502 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 02:41:05,502 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 02:41:05,504 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 02:41:05,504 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 02:41:05,505 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 02:41:05,505 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 02:41:05,505 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 02:41:05,505 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 02:41:05,505 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 02:41:05,506 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 02:41:05,506 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 02:41:05,506 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 02:41:05,506 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 02:41:05,506 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 02:41:05,507 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 02:41:05,507 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 02:41:05,507 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 02:41:05,507 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 02:41:05,508 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 02:41:05,508 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 02:41:05,508 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 02:41:05,508 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 02:41:05,562 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 02:41:05,583 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 02:41:05,589 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 02:41:05,591 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 02:41:05,591 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 02:41:05,592 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec3_product31.cil.c [2019-09-10 02:41:05,668 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58f8e9fd8/ba17d77b8ffc4607b0704e5d314e213f/FLAGf4422d6e3 [2019-09-10 02:41:06,381 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 02:41:06,382 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec3_product31.cil.c [2019-09-10 02:41:06,413 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58f8e9fd8/ba17d77b8ffc4607b0704e5d314e213f/FLAGf4422d6e3 [2019-09-10 02:41:06,564 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58f8e9fd8/ba17d77b8ffc4607b0704e5d314e213f [2019-09-10 02:41:06,573 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 02:41:06,575 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 02:41:06,577 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 02:41:06,577 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 02:41:06,581 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 02:41:06,583 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:41:06" (1/1) ... [2019-09-10 02:41:06,586 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67d0c57d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:41:06, skipping insertion in model container [2019-09-10 02:41:06,586 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:41:06" (1/1) ... [2019-09-10 02:41:06,594 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 02:41:06,673 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 02:41:07,377 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:41:07,401 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 02:41:07,556 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:41:07,653 INFO L192 MainTranslator]: Completed translation [2019-09-10 02:41:07,654 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:41:07 WrapperNode [2019-09-10 02:41:07,654 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 02:41:07,655 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 02:41:07,655 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 02:41:07,655 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 02:41:07,671 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:41:07" (1/1) ... [2019-09-10 02:41:07,671 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:41:07" (1/1) ... [2019-09-10 02:41:07,707 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:41:07" (1/1) ... [2019-09-10 02:41:07,708 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:41:07" (1/1) ... [2019-09-10 02:41:07,771 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:41:07" (1/1) ... [2019-09-10 02:41:07,801 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:41:07" (1/1) ... [2019-09-10 02:41:07,826 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:41:07" (1/1) ... [2019-09-10 02:41:07,846 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 02:41:07,847 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 02:41:07,847 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 02:41:07,847 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 02:41:07,848 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:41:07" (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 02:41:07,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 02:41:07,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 02:41:07,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-10 02:41:07,936 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-09-10 02:41:07,936 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-09-10 02:41:07,936 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-09-10 02:41:07,936 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-09-10 02:41:07,937 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-09-10 02:41:07,937 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-09-10 02:41:07,937 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-09-10 02:41:07,937 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-09-10 02:41:07,937 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-09-10 02:41:07,938 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-09-10 02:41:07,938 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-09-10 02:41:07,938 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-09-10 02:41:07,938 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-09-10 02:41:07,938 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-09-10 02:41:07,939 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-09-10 02:41:07,939 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-09-10 02:41:07,939 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-09-10 02:41:07,939 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-09-10 02:41:07,939 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-09-10 02:41:07,940 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-09-10 02:41:07,940 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-09-10 02:41:07,940 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-09-10 02:41:07,940 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-09-10 02:41:07,940 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-09-10 02:41:07,940 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-09-10 02:41:07,940 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-09-10 02:41:07,941 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-09-10 02:41:07,941 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-09-10 02:41:07,941 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-09-10 02:41:07,941 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-09-10 02:41:07,941 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-09-10 02:41:07,941 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-09-10 02:41:07,942 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-09-10 02:41:07,942 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-09-10 02:41:07,942 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-09-10 02:41:07,942 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-09-10 02:41:07,943 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-09-10 02:41:07,943 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-10 02:41:07,943 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 02:41:07,943 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-09-10 02:41:07,943 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-09-10 02:41:07,943 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-09-10 02:41:07,944 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-09-10 02:41:07,944 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-09-10 02:41:07,944 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-09-10 02:41:07,944 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-09-10 02:41:07,944 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-09-10 02:41:07,945 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-09-10 02:41:07,945 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-09-10 02:41:07,945 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-10 02:41:07,945 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-10 02:41:07,945 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-10 02:41:07,946 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-10 02:41:07,946 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-10 02:41:07,946 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-10 02:41:07,946 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-10 02:41:07,946 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-10 02:41:07,947 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-10 02:41:07,947 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-10 02:41:07,947 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-10 02:41:07,947 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-10 02:41:07,947 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-09-10 02:41:07,947 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-09-10 02:41:07,948 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2019-09-10 02:41:07,948 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-09-10 02:41:07,948 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-09-10 02:41:07,948 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-09-10 02:41:07,948 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-09-10 02:41:07,949 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-09-10 02:41:07,949 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-09-10 02:41:07,949 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-09-10 02:41:07,949 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-09-10 02:41:07,949 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-09-10 02:41:07,949 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-09-10 02:41:07,950 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-09-10 02:41:07,950 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-09-10 02:41:07,950 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-09-10 02:41:07,950 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-09-10 02:41:07,950 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-09-10 02:41:07,950 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-09-10 02:41:07,951 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-09-10 02:41:07,951 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignVerify_spec__1 [2019-09-10 02:41:07,951 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignVerify_spec__2 [2019-09-10 02:41:07,951 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-09-10 02:41:07,951 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-09-10 02:41:07,951 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-09-10 02:41:07,952 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-09-10 02:41:07,952 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-09-10 02:41:07,952 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-09-10 02:41:07,952 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-09-10 02:41:07,952 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-09-10 02:41:07,952 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-09-10 02:41:07,952 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-09-10 02:41:07,953 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-09-10 02:41:07,953 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-09-10 02:41:07,953 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-09-10 02:41:07,953 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-09-10 02:41:07,953 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-09-10 02:41:07,953 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-09-10 02:41:07,954 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-09-10 02:41:07,954 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-09-10 02:41:07,954 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-09-10 02:41:07,954 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-09-10 02:41:07,954 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-09-10 02:41:07,955 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-09-10 02:41:07,955 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Encrypt [2019-09-10 02:41:07,955 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2019-09-10 02:41:07,955 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-09-10 02:41:07,955 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-09-10 02:41:07,956 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-09-10 02:41:07,956 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-09-10 02:41:07,956 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-09-10 02:41:07,956 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-09-10 02:41:07,956 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 02:41:07,957 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-10 02:41:07,957 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-09-10 02:41:07,957 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-09-10 02:41:07,957 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-09-10 02:41:07,957 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-09-10 02:41:07,957 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-09-10 02:41:07,958 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-09-10 02:41:07,958 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-09-10 02:41:07,958 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-09-10 02:41:07,958 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-09-10 02:41:07,958 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-09-10 02:41:07,959 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-09-10 02:41:07,959 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-09-10 02:41:07,959 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-09-10 02:41:07,959 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-09-10 02:41:07,959 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-09-10 02:41:07,960 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-09-10 02:41:07,960 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-09-10 02:41:07,960 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-09-10 02:41:07,960 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-09-10 02:41:07,960 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-09-10 02:41:07,960 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-09-10 02:41:07,961 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-09-10 02:41:07,961 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-09-10 02:41:07,961 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-09-10 02:41:07,961 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-09-10 02:41:07,961 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-09-10 02:41:07,961 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-09-10 02:41:07,961 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-09-10 02:41:07,962 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-09-10 02:41:07,962 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-10 02:41:07,962 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-09-10 02:41:07,962 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-10 02:41:07,962 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-10 02:41:07,963 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-10 02:41:07,963 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-09-10 02:41:07,963 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-09-10 02:41:07,963 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-09-10 02:41:07,963 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-09-10 02:41:07,964 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-09-10 02:41:07,964 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-09-10 02:41:07,964 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-09-10 02:41:07,964 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-09-10 02:41:07,964 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-09-10 02:41:07,964 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-09-10 02:41:07,965 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-09-10 02:41:07,965 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-10 02:41:07,965 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-10 02:41:07,965 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 02:41:07,965 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-09-10 02:41:07,966 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-09-10 02:41:07,966 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-09-10 02:41:07,966 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-09-10 02:41:07,966 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-09-10 02:41:07,966 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-09-10 02:41:07,966 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-09-10 02:41:07,967 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-09-10 02:41:07,967 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-09-10 02:41:07,967 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-09-10 02:41:07,967 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-09-10 02:41:07,967 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-09-10 02:41:07,967 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-09-10 02:41:07,968 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-10 02:41:07,968 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-10 02:41:07,968 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-10 02:41:07,968 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-10 02:41:07,968 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-10 02:41:07,968 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-10 02:41:07,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-10 02:41:07,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-10 02:41:07,969 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-10 02:41:07,969 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-10 02:41:07,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-10 02:41:07,969 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-10 02:41:07,970 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-10 02:41:07,970 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-10 02:41:07,970 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-10 02:41:07,970 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-10 02:41:07,971 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-10 02:41:07,971 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-10 02:41:07,971 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-10 02:41:07,971 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-09-10 02:41:07,971 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-09-10 02:41:07,972 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-09-10 02:41:07,972 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-09-10 02:41:07,972 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-09-10 02:41:07,972 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-09-10 02:41:07,972 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-09-10 02:41:07,973 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-09-10 02:41:07,973 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-09-10 02:41:07,973 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-09-10 02:41:07,973 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-09-10 02:41:07,974 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-09-10 02:41:07,974 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-09-10 02:41:07,974 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-09-10 02:41:07,974 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-09-10 02:41:07,974 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-09-10 02:41:07,974 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-09-10 02:41:07,975 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-09-10 02:41:07,975 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-09-10 02:41:07,975 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-09-10 02:41:07,975 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-09-10 02:41:07,976 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-09-10 02:41:07,976 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-09-10 02:41:07,976 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-09-10 02:41:07,976 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-09-10 02:41:07,976 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignVerify_spec__1 [2019-09-10 02:41:07,977 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-09-10 02:41:07,977 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2019-09-10 02:41:07,977 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-09-10 02:41:07,977 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-09-10 02:41:07,977 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-09-10 02:41:07,978 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignVerify_spec__2 [2019-09-10 02:41:07,978 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-09-10 02:41:07,978 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-09-10 02:41:07,978 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-09-10 02:41:07,978 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-09-10 02:41:07,979 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-09-10 02:41:07,979 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-09-10 02:41:07,979 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-09-10 02:41:07,979 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-09-10 02:41:07,979 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-09-10 02:41:07,979 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-09-10 02:41:07,980 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Encrypt [2019-09-10 02:41:07,980 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2019-09-10 02:41:07,980 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-09-10 02:41:07,980 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-09-10 02:41:07,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 02:41:07,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-10 02:41:07,981 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 02:41:10,533 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 02:41:10,534 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-10 02:41:10,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:41:10 BoogieIcfgContainer [2019-09-10 02:41:10,537 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 02:41:10,538 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 02:41:10,538 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 02:41:10,543 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 02:41:10,543 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 02:41:06" (1/3) ... [2019-09-10 02:41:10,544 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a64ea43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:41:10, skipping insertion in model container [2019-09-10 02:41:10,544 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:41:07" (2/3) ... [2019-09-10 02:41:10,545 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a64ea43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:41:10, skipping insertion in model container [2019-09-10 02:41:10,545 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:41:10" (3/3) ... [2019-09-10 02:41:10,548 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec3_product31.cil.c [2019-09-10 02:41:10,558 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 02:41:10,570 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 02:41:10,588 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 02:41:10,632 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 02:41:10,632 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 02:41:10,632 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 02:41:10,633 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 02:41:10,636 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 02:41:10,637 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 02:41:10,637 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 02:41:10,637 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 02:41:10,672 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states. [2019-09-10 02:41:10,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2019-09-10 02:41:10,699 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:41:10,700 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] [2019-09-10 02:41:10,703 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:41:10,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:41:10,710 INFO L82 PathProgramCache]: Analyzing trace with hash 721046369, now seen corresponding path program 1 times [2019-09-10 02:41:10,712 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:41:10,766 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:41:10,766 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:41:10,766 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:41:10,766 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:41:11,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:41:11,410 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 02:41:11,413 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:41:11,413 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-10 02:41:11,413 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:41:11,419 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 02:41:11,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 02:41:11,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:41:11,438 INFO L87 Difference]: Start difference. First operand 570 states. Second operand 2 states. [2019-09-10 02:41:11,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:41:11,504 INFO L93 Difference]: Finished difference Result 556 states and 734 transitions. [2019-09-10 02:41:11,504 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 02:41:11,506 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 195 [2019-09-10 02:41:11,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:41:11,531 INFO L225 Difference]: With dead ends: 556 [2019-09-10 02:41:11,532 INFO L226 Difference]: Without dead ends: 547 [2019-09-10 02:41:11,536 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 02:41:11,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 547 states. [2019-09-10 02:41:11,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 547 to 547. [2019-09-10 02:41:11,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 547 states. [2019-09-10 02:41:11,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 723 transitions. [2019-09-10 02:41:11,651 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 723 transitions. Word has length 195 [2019-09-10 02:41:11,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:41:11,656 INFO L475 AbstractCegarLoop]: Abstraction has 547 states and 723 transitions. [2019-09-10 02:41:11,656 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 02:41:11,657 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 723 transitions. [2019-09-10 02:41:11,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2019-09-10 02:41:11,669 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:41:11,673 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] [2019-09-10 02:41:11,673 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:41:11,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:41:11,674 INFO L82 PathProgramCache]: Analyzing trace with hash 1162563648, now seen corresponding path program 1 times [2019-09-10 02:41:11,675 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:41:11,677 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:41:11,677 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:41:11,677 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:41:11,677 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:41:11,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:41:11,935 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 02:41:11,935 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:41:11,936 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:41:11,936 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:41:11,938 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:41:11,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:41:11,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:41:11,939 INFO L87 Difference]: Start difference. First operand 547 states and 723 transitions. Second operand 3 states. [2019-09-10 02:41:11,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:41:11,988 INFO L93 Difference]: Finished difference Result 550 states and 726 transitions. [2019-09-10 02:41:11,988 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:41:11,988 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 196 [2019-09-10 02:41:11,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:41:12,003 INFO L225 Difference]: With dead ends: 550 [2019-09-10 02:41:12,003 INFO L226 Difference]: Without dead ends: 550 [2019-09-10 02:41:12,004 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 02:41:12,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 550 states. [2019-09-10 02:41:12,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 550 to 549. [2019-09-10 02:41:12,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 549 states. [2019-09-10 02:41:12,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 549 states and 725 transitions. [2019-09-10 02:41:12,064 INFO L78 Accepts]: Start accepts. Automaton has 549 states and 725 transitions. Word has length 196 [2019-09-10 02:41:12,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:41:12,065 INFO L475 AbstractCegarLoop]: Abstraction has 549 states and 725 transitions. [2019-09-10 02:41:12,065 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:41:12,066 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 725 transitions. [2019-09-10 02:41:12,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2019-09-10 02:41:12,072 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:41:12,072 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] [2019-09-10 02:41:12,072 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:41:12,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:41:12,073 INFO L82 PathProgramCache]: Analyzing trace with hash 1293026860, now seen corresponding path program 1 times [2019-09-10 02:41:12,073 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:41:12,074 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:41:12,074 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:41:12,075 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:41:12,075 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:41:12,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:41:12,345 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 02:41:12,346 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:41:12,346 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:41:12,346 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:41:12,348 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:41:12,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:41:12,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:41:12,351 INFO L87 Difference]: Start difference. First operand 549 states and 725 transitions. Second operand 3 states. [2019-09-10 02:41:12,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:41:12,389 INFO L93 Difference]: Finished difference Result 590 states and 795 transitions. [2019-09-10 02:41:12,389 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:41:12,390 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 202 [2019-09-10 02:41:12,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:41:12,398 INFO L225 Difference]: With dead ends: 590 [2019-09-10 02:41:12,398 INFO L226 Difference]: Without dead ends: 590 [2019-09-10 02:41:12,398 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 02:41:12,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 590 states. [2019-09-10 02:41:12,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 590 to 589. [2019-09-10 02:41:12,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 589 states. [2019-09-10 02:41:12,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 589 states and 794 transitions. [2019-09-10 02:41:12,433 INFO L78 Accepts]: Start accepts. Automaton has 589 states and 794 transitions. Word has length 202 [2019-09-10 02:41:12,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:41:12,433 INFO L475 AbstractCegarLoop]: Abstraction has 589 states and 794 transitions. [2019-09-10 02:41:12,433 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:41:12,434 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 794 transitions. [2019-09-10 02:41:12,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2019-09-10 02:41:12,442 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:41:12,442 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] [2019-09-10 02:41:12,442 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:41:12,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:41:12,443 INFO L82 PathProgramCache]: Analyzing trace with hash 488920011, now seen corresponding path program 1 times [2019-09-10 02:41:12,443 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:41:12,445 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:41:12,445 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:41:12,445 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:41:12,446 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:41:12,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:41:12,912 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 02:41:12,912 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 02:41:12,912 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-10 02:41:12,914 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 204 with the following transitions: [2019-09-10 02:41:12,918 INFO L207 CegarAbsIntRunner]: [72], [75], [85], [123], [139], [142], [156], [157], [159], [269], [271], [275], [278], [279], [280], [283], [289], [326], [329], [338], [349], [351], [352], [355], [365], [394], [451], [624], [626], [627], [628], [636], [639], [645], [666], [669], [683], [719], [720], [721], [724], [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], [1162], [1164], [1165], [1166], [1169], [1171], [1173], [1176], [1195], [1267], [1271], [1282], [1285], [1286], [1289], [1292], [1323], [1324], [1326], [1328], [1335], [1339], [1341], [1454], [1457], [1471], [1477], [1480], [1489], [1678], [1680], [1682], [1684], [1685], [1715], [1725], [1726], [1727], [1728], [1729], [1730], [1733], [1734], [1735], [1736], [1737], [1739], [1740], [1741], [1742], [1759], [1760], [1765], [1781], [1805], [1806], [1827], [1828], [1829], [1830], [1831], [1833], [1834], [1839], [1840], [1841], [1842], [1843], [1844], [1845], [1846], [1847], [1849], [1850], [1851], [1852], [1867], [1868], [1879], [1901], [1903], [1904], [1905], [1906], [1907], [1908], [1909], [1917], [1918], [1919], [1921], [1922], [1923], [1924], [1925], [1926], [1927], [1928], [1933], [1935], [1936], [1937], [1949], [1950], [1951], [1952], [1953], [1954], [1955], [1956], [1957] [2019-09-10 02:41:13,000 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-10 02:41:13,000 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-10 02:41:13,151 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-10 02:41:13,153 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 276 root evaluator evaluations with a maximum evaluation depth of 0. Performed 276 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 386 variables. [2019-09-10 02:41:13,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:41:13,158 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-10 02:41:13,249 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-09-10 02:41:13,249 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-10 02:41:13,257 INFO L420 sIntCurrentIteration]: We unified 202 AI predicates to 202 [2019-09-10 02:41:13,258 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-10 02:41:13,258 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-10 02:41:13,259 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [19] total 19 [2019-09-10 02:41:13,259 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:41:13,260 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 02:41:13,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 02:41:13,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:41:13,261 INFO L87 Difference]: Start difference. First operand 589 states and 794 transitions. Second operand 2 states. [2019-09-10 02:41:13,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:41:13,261 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-09-10 02:41:13,261 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 02:41:13,262 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 203 [2019-09-10 02:41:13,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:41:13,262 INFO L225 Difference]: With dead ends: 2 [2019-09-10 02:41:13,262 INFO L226 Difference]: Without dead ends: 0 [2019-09-10 02:41:13,263 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 202 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 02:41:13,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-10 02:41:13,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-10 02:41:13,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-10 02:41:13,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-10 02:41:13,264 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 203 [2019-09-10 02:41:13,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:41:13,264 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-10 02:41:13,264 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 02:41:13,265 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-10 02:41:13,265 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-10 02:41:13,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 02:41:13 BoogieIcfgContainer [2019-09-10 02:41:13,271 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-10 02:41:13,273 INFO L168 Benchmark]: Toolchain (without parser) took 6697.50 ms. Allocated memory was 133.7 MB in the beginning and 331.9 MB in the end (delta: 198.2 MB). Free memory was 86.9 MB in the beginning and 61.9 MB in the end (delta: 24.9 MB). Peak memory consumption was 223.1 MB. Max. memory is 7.1 GB. [2019-09-10 02:41:13,275 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 133.7 MB. Free memory was 108.3 MB in the beginning and 108.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-10 02:41:13,276 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1077.81 ms. Allocated memory was 133.7 MB in the beginning and 200.3 MB in the end (delta: 66.6 MB). Free memory was 86.4 MB in the beginning and 125.2 MB in the end (delta: -38.7 MB). Peak memory consumption was 33.2 MB. Max. memory is 7.1 GB. [2019-09-10 02:41:13,277 INFO L168 Benchmark]: Boogie Preprocessor took 191.57 ms. Allocated memory is still 200.3 MB. Free memory was 125.2 MB in the beginning and 116.0 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-09-10 02:41:13,278 INFO L168 Benchmark]: RCFGBuilder took 2689.96 ms. Allocated memory was 200.3 MB in the beginning and 263.7 MB in the end (delta: 63.4 MB). Free memory was 116.0 MB in the beginning and 146.1 MB in the end (delta: -30.2 MB). Peak memory consumption was 76.7 MB. Max. memory is 7.1 GB. [2019-09-10 02:41:13,279 INFO L168 Benchmark]: TraceAbstraction took 2732.66 ms. Allocated memory was 263.7 MB in the beginning and 331.9 MB in the end (delta: 68.2 MB). Free memory was 146.1 MB in the beginning and 61.9 MB in the end (delta: 84.2 MB). Peak memory consumption was 152.4 MB. Max. memory is 7.1 GB. [2019-09-10 02:41:13,283 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 133.7 MB. Free memory was 108.3 MB in the beginning and 108.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1077.81 ms. Allocated memory was 133.7 MB in the beginning and 200.3 MB in the end (delta: 66.6 MB). Free memory was 86.4 MB in the beginning and 125.2 MB in the end (delta: -38.7 MB). Peak memory consumption was 33.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 191.57 ms. Allocated memory is still 200.3 MB. Free memory was 125.2 MB in the beginning and 116.0 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2689.96 ms. Allocated memory was 200.3 MB in the beginning and 263.7 MB in the end (delta: 63.4 MB). Free memory was 116.0 MB in the beginning and 146.1 MB in the end (delta: -30.2 MB). Peak memory consumption was 76.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2732.66 ms. Allocated memory was 263.7 MB in the beginning and 331.9 MB in the end (delta: 68.2 MB). Free memory was 146.1 MB in the beginning and 61.9 MB in the end (delta: 84.2 MB). Peak memory consumption was 152.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1831]: 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 116 procedures, 804 locations, 1 error locations. SAFE Result, 2.6s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2190 SDtfs, 53 SDslu, 1435 SDs, 0 SdLazy, 8 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 210 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=589occurred 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, 2.3069306930693068 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 796 NumberOfCodeBlocks, 796 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 792 ConstructedInterpolants, 0 QuantifiedInterpolants, 196826 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...