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_spec4_product35.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 02:53:26,340 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 02:53:26,342 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 02:53:26,354 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 02:53:26,354 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 02:53:26,355 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 02:53:26,356 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 02:53:26,358 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 02:53:26,360 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 02:53:26,361 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 02:53:26,362 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 02:53:26,363 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 02:53:26,363 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 02:53:26,364 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 02:53:26,365 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 02:53:26,366 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 02:53:26,367 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 02:53:26,368 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 02:53:26,370 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 02:53:26,372 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 02:53:26,373 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 02:53:26,374 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 02:53:26,375 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 02:53:26,376 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 02:53:26,378 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 02:53:26,379 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 02:53:26,379 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 02:53:26,380 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 02:53:26,380 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 02:53:26,381 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 02:53:26,382 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 02:53:26,383 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 02:53:26,383 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 02:53:26,384 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 02:53:26,385 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 02:53:26,385 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 02:53:26,386 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 02:53:26,386 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 02:53:26,386 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 02:53:26,387 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 02:53:26,388 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 02:53:26,389 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-10-03 02:53:26,409 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 02:53:26,410 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 02:53:26,410 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 02:53:26,410 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 02:53:26,411 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 02:53:26,412 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 02:53:26,412 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 02:53:26,412 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 02:53:26,413 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 02:53:26,413 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 02:53:26,414 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 02:53:26,414 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 02:53:26,415 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 02:53:26,415 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 02:53:26,416 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 02:53:26,416 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 02:53:26,416 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 02:53:26,416 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 02:53:26,416 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 02:53:26,417 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 02:53:26,417 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 02:53:26,417 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 02:53:26,417 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 02:53:26,418 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 02:53:26,418 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 02:53:26,418 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 02:53:26,418 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 02:53:26,419 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 02:53:26,419 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 02:53:26,419 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 02:53:26,461 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 02:53:26,473 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 02:53:26,477 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 02:53:26,478 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 02:53:26,478 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 02:53:26,479 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec4_product35.cil.c [2019-10-03 02:53:26,555 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/272248467/9a2f13a6b2da45be89874e79854fd59b/FLAGfbc4d379f [2019-10-03 02:53:27,168 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 02:53:27,169 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec4_product35.cil.c [2019-10-03 02:53:27,197 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/272248467/9a2f13a6b2da45be89874e79854fd59b/FLAGfbc4d379f [2019-10-03 02:53:27,359 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/272248467/9a2f13a6b2da45be89874e79854fd59b [2019-10-03 02:53:27,367 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 02:53:27,368 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 02:53:27,369 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 02:53:27,369 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 02:53:27,373 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 02:53:27,374 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:53:27" (1/1) ... [2019-10-03 02:53:27,377 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@691de8d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:53:27, skipping insertion in model container [2019-10-03 02:53:27,377 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:53:27" (1/1) ... [2019-10-03 02:53:27,385 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 02:53:27,455 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 02:53:28,217 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:53:28,240 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 02:53:28,377 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:53:28,476 INFO L192 MainTranslator]: Completed translation [2019-10-03 02:53:28,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:53:28 WrapperNode [2019-10-03 02:53:28,477 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 02:53:28,478 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 02:53:28,478 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 02:53:28,478 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 02:53:28,494 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:53:28" (1/1) ... [2019-10-03 02:53:28,494 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:53:28" (1/1) ... [2019-10-03 02:53:28,528 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:53:28" (1/1) ... [2019-10-03 02:53:28,528 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:53:28" (1/1) ... [2019-10-03 02:53:28,617 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:53:28" (1/1) ... [2019-10-03 02:53:28,641 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:53:28" (1/1) ... [2019-10-03 02:53:28,661 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:53:28" (1/1) ... [2019-10-03 02:53:28,679 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 02:53:28,679 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 02:53:28,680 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 02:53:28,680 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 02:53:28,681 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:53:28" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 02:53:28,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 02:53:28,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 02:53:28,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-03 02:53:28,756 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-03 02:53:28,756 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-03 02:53:28,757 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-03 02:53:28,757 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-03 02:53:28,757 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-03 02:53:28,758 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-03 02:53:28,758 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-03 02:53:28,758 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-03 02:53:28,759 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-03 02:53:28,759 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-03 02:53:28,760 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-03 02:53:28,760 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-03 02:53:28,761 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-03 02:53:28,761 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-03 02:53:28,761 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-03 02:53:28,762 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-03 02:53:28,762 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-03 02:53:28,762 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-03 02:53:28,762 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-03 02:53:28,762 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-03 02:53:28,763 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-03 02:53:28,763 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-03 02:53:28,763 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-03 02:53:28,764 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-03 02:53:28,764 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-03 02:53:28,764 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-03 02:53:28,764 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-03 02:53:28,764 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-03 02:53:28,764 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-03 02:53:28,765 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-03 02:53:28,765 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-03 02:53:28,765 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-03 02:53:28,765 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-03 02:53:28,765 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-03 02:53:28,765 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-03 02:53:28,765 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-03 02:53:28,766 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-03 02:53:28,766 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-03 02:53:28,766 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-03 02:53:28,766 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-03 02:53:28,766 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-03 02:53:28,766 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-03 02:53:28,767 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-03 02:53:28,767 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-03 02:53:28,767 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-03 02:53:28,767 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-03 02:53:28,767 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-03 02:53:28,767 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-03 02:53:28,767 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-03 02:53:28,768 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-03 02:53:28,768 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-03 02:53:28,768 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-03 02:53:28,768 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-03 02:53:28,768 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-03 02:53:28,768 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-03 02:53:28,769 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-03 02:53:28,769 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-03 02:53:28,769 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2019-10-03 02:53:28,769 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2019-10-03 02:53:28,770 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-03 02:53:28,770 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-03 02:53:28,770 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-03 02:53:28,770 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-03 02:53:28,770 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-03 02:53:28,771 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-03 02:53:28,771 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-03 02:53:28,771 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-03 02:53:28,771 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-03 02:53:28,771 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-03 02:53:28,772 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-03 02:53:28,773 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-03 02:53:28,773 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-03 02:53:28,773 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-03 02:53:28,773 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-03 02:53:28,774 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-03 02:53:28,774 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-03 02:53:28,775 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-03 02:53:28,775 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-03 02:53:28,775 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-03 02:53:28,775 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-03 02:53:28,776 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 02:53:28,776 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-03 02:53:28,777 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-03 02:53:28,777 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-03 02:53:28,778 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-03 02:53:28,778 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-03 02:53:28,778 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-03 02:53:28,778 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-03 02:53:28,778 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-03 02:53:28,779 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-03 02:53:28,779 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-03 02:53:28,779 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-03 02:53:28,779 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-03 02:53:28,779 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-03 02:53:28,779 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-03 02:53:28,780 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-10-03 02:53:28,780 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2019-10-03 02:53:28,780 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-03 02:53:28,780 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-03 02:53:28,780 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2019-10-03 02:53:28,780 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-03 02:53:28,781 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-10-03 02:53:28,781 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-10-03 02:53:28,781 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-03 02:53:28,781 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-03 02:53:28,782 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-03 02:53:28,782 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-03 02:53:28,782 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-03 02:53:28,782 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-03 02:53:28,783 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-03 02:53:28,783 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-03 02:53:28,783 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-03 02:53:28,783 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-03 02:53:28,784 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-03 02:53:28,784 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-03 02:53:28,785 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-03 02:53:28,786 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-03 02:53:28,786 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignForward_spec__1 [2019-10-03 02:53:28,786 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 02:53:28,787 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 02:53:28,788 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-03 02:53:28,788 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-03 02:53:28,788 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-03 02:53:28,788 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-03 02:53:28,788 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-03 02:53:28,789 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-03 02:53:28,789 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-03 02:53:28,789 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-03 02:53:28,789 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-03 02:53:28,790 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-03 02:53:28,790 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-03 02:53:28,790 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-03 02:53:28,791 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-03 02:53:28,791 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-03 02:53:28,791 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-03 02:53:28,792 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-03 02:53:28,795 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-03 02:53:28,796 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-03 02:53:28,796 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-03 02:53:28,796 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-03 02:53:28,802 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-03 02:53:28,802 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-03 02:53:28,803 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-03 02:53:28,803 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-03 02:53:28,804 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-03 02:53:28,804 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-03 02:53:28,804 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-03 02:53:28,805 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-03 02:53:28,805 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-03 02:53:28,805 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-03 02:53:28,805 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-03 02:53:28,805 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-03 02:53:28,806 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-03 02:53:28,806 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-03 02:53:28,806 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-03 02:53:28,806 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-03 02:53:28,806 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-03 02:53:28,806 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-03 02:53:28,807 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-03 02:53:28,807 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-03 02:53:28,807 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-03 02:53:28,807 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-03 02:53:28,807 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-03 02:53:28,807 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-03 02:53:28,808 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-03 02:53:28,808 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-03 02:53:28,808 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-03 02:53:28,808 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-03 02:53:28,808 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-03 02:53:28,808 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-03 02:53:28,809 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-03 02:53:28,809 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-03 02:53:28,809 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-03 02:53:28,809 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-03 02:53:28,809 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-03 02:53:28,809 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-03 02:53:28,810 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-03 02:53:28,810 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-03 02:53:28,810 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-03 02:53:28,810 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-03 02:53:28,810 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-03 02:53:28,810 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-03 02:53:28,810 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-03 02:53:28,811 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2019-10-03 02:53:28,811 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2019-10-03 02:53:28,811 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-03 02:53:28,811 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-03 02:53:28,811 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-03 02:53:28,811 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-03 02:53:28,812 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-03 02:53:28,812 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-03 02:53:28,812 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-03 02:53:28,812 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-03 02:53:28,812 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-03 02:53:28,813 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-03 02:53:28,813 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-03 02:53:28,813 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-03 02:53:28,813 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-03 02:53:28,814 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-03 02:53:28,814 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-03 02:53:28,814 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-03 02:53:28,814 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-03 02:53:28,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-03 02:53:28,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-03 02:53:28,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-03 02:53:28,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-03 02:53:28,816 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-03 02:53:28,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-03 02:53:28,816 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-03 02:53:28,816 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-03 02:53:28,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-03 02:53:28,817 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-03 02:53:28,817 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-03 02:53:28,817 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-03 02:53:28,817 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-03 02:53:28,818 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-03 02:53:28,818 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-03 02:53:28,818 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-03 02:53:28,818 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-03 02:53:28,818 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-03 02:53:28,818 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-03 02:53:28,818 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-03 02:53:28,819 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-03 02:53:28,819 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-03 02:53:28,819 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-03 02:53:28,819 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-03 02:53:28,819 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 02:53:28,819 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-03 02:53:28,820 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-03 02:53:28,820 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-03 02:53:28,820 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-03 02:53:28,820 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-03 02:53:28,820 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-03 02:53:28,820 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-03 02:53:28,821 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-03 02:53:28,821 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-03 02:53:28,821 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-03 02:53:28,821 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-03 02:53:28,821 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-03 02:53:28,821 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-03 02:53:28,821 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-03 02:53:28,822 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-03 02:53:28,822 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-03 02:53:28,822 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignForward_spec__1 [2019-10-03 02:53:28,822 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-03 02:53:28,822 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-10-03 02:53:28,822 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2019-10-03 02:53:28,823 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2019-10-03 02:53:28,823 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-03 02:53:28,823 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-10-03 02:53:28,823 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-10-03 02:53:28,823 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 02:53:28,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-03 02:53:28,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 02:53:30,978 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 02:53:30,978 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-03 02:53:30,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:53:30 BoogieIcfgContainer [2019-10-03 02:53:30,980 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 02:53:30,982 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-03 02:53:30,982 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-03 02:53:30,985 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-03 02:53:30,985 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.10 02:53:27" (1/3) ... [2019-10-03 02:53:30,986 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23e237cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:53:30, skipping insertion in model container [2019-10-03 02:53:30,986 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:53:28" (2/3) ... [2019-10-03 02:53:30,986 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23e237cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:53:30, skipping insertion in model container [2019-10-03 02:53:30,986 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:53:30" (3/3) ... [2019-10-03 02:53:30,988 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec4_product35.cil.c [2019-10-03 02:53:30,997 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-03 02:53:31,012 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-03 02:53:31,028 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-03 02:53:31,058 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-03 02:53:31,059 INFO L378 AbstractCegarLoop]: Hoare is false [2019-10-03 02:53:31,059 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-03 02:53:31,059 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-03 02:53:31,059 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-03 02:53:31,060 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-03 02:53:31,060 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-03 02:53:31,060 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-03 02:53:31,107 INFO L276 IsEmpty]: Start isEmpty. Operand 683 states. [2019-10-03 02:53:31,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2019-10-03 02:53:31,157 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:53:31,160 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2019-10-03 02:53:31,164 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:53:31,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:53:31,170 INFO L82 PathProgramCache]: Analyzing trace with hash 1526735927, now seen corresponding path program 1 times [2019-10-03 02:53:31,173 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:53:31,241 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:31,241 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:53:31,241 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:31,241 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:53:31,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:53:31,876 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-10-03 02:53:31,878 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:53:31,879 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-03 02:53:31,879 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:53:31,886 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:53:31,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:53:31,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:53:31,941 INFO L87 Difference]: Start difference. First operand 683 states. Second operand 2 states. [2019-10-03 02:53:32,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:53:32,026 INFO L93 Difference]: Finished difference Result 663 states and 897 transitions. [2019-10-03 02:53:32,027 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:53:32,028 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 173 [2019-10-03 02:53:32,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:53:32,053 INFO L225 Difference]: With dead ends: 663 [2019-10-03 02:53:32,053 INFO L226 Difference]: Without dead ends: 654 [2019-10-03 02:53:32,055 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:53:32,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 654 states. [2019-10-03 02:53:32,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 654 to 654. [2019-10-03 02:53:32,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 654 states. [2019-10-03 02:53:32,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 654 states and 886 transitions. [2019-10-03 02:53:32,197 INFO L78 Accepts]: Start accepts. Automaton has 654 states and 886 transitions. Word has length 173 [2019-10-03 02:53:32,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:53:32,200 INFO L475 AbstractCegarLoop]: Abstraction has 654 states and 886 transitions. [2019-10-03 02:53:32,200 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:53:32,200 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 886 transitions. [2019-10-03 02:53:32,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2019-10-03 02:53:32,207 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:53:32,208 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2019-10-03 02:53:32,208 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:53:32,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:53:32,209 INFO L82 PathProgramCache]: Analyzing trace with hash 2124318920, now seen corresponding path program 1 times [2019-10-03 02:53:32,209 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:53:32,214 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:32,214 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:53:32,214 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:32,215 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:53:32,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:53:32,469 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-10-03 02:53:32,469 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:53:32,469 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:53:32,469 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:53:32,474 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:53:32,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:53:32,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:53:32,475 INFO L87 Difference]: Start difference. First operand 654 states and 886 transitions. Second operand 3 states. [2019-10-03 02:53:32,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:53:32,539 INFO L93 Difference]: Finished difference Result 657 states and 889 transitions. [2019-10-03 02:53:32,541 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:53:32,541 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 174 [2019-10-03 02:53:32,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:53:32,554 INFO L225 Difference]: With dead ends: 657 [2019-10-03 02:53:32,554 INFO L226 Difference]: Without dead ends: 657 [2019-10-03 02:53:32,555 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:53:32,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 657 states. [2019-10-03 02:53:32,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 657 to 656. [2019-10-03 02:53:32,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 656 states. [2019-10-03 02:53:32,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 656 states and 888 transitions. [2019-10-03 02:53:32,611 INFO L78 Accepts]: Start accepts. Automaton has 656 states and 888 transitions. Word has length 174 [2019-10-03 02:53:32,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:53:32,612 INFO L475 AbstractCegarLoop]: Abstraction has 656 states and 888 transitions. [2019-10-03 02:53:32,612 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:53:32,612 INFO L276 IsEmpty]: Start isEmpty. Operand 656 states and 888 transitions. [2019-10-03 02:53:32,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2019-10-03 02:53:32,618 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:53:32,618 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2019-10-03 02:53:32,619 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:53:32,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:53:32,620 INFO L82 PathProgramCache]: Analyzing trace with hash -1990518153, now seen corresponding path program 1 times [2019-10-03 02:53:32,620 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:53:32,624 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:32,625 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:53:32,625 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:32,625 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:53:32,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:53:32,844 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-10-03 02:53:32,844 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:53:32,844 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:53:32,845 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:53:32,845 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:53:32,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:53:32,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:53:32,846 INFO L87 Difference]: Start difference. First operand 656 states and 888 transitions. Second operand 3 states. [2019-10-03 02:53:32,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:53:32,874 INFO L93 Difference]: Finished difference Result 701 states and 964 transitions. [2019-10-03 02:53:32,874 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:53:32,874 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 186 [2019-10-03 02:53:32,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:53:32,879 INFO L225 Difference]: With dead ends: 701 [2019-10-03 02:53:32,880 INFO L226 Difference]: Without dead ends: 701 [2019-10-03 02:53:32,880 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:53:32,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 701 states. [2019-10-03 02:53:33,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 701 to 700. [2019-10-03 02:53:33,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 700 states. [2019-10-03 02:53:33,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 700 states to 700 states and 963 transitions. [2019-10-03 02:53:33,014 INFO L78 Accepts]: Start accepts. Automaton has 700 states and 963 transitions. Word has length 186 [2019-10-03 02:53:33,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:53:33,015 INFO L475 AbstractCegarLoop]: Abstraction has 700 states and 963 transitions. [2019-10-03 02:53:33,015 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:53:33,015 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 963 transitions. [2019-10-03 02:53:33,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2019-10-03 02:53:33,020 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:53:33,021 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2019-10-03 02:53:33,021 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:53:33,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:53:33,022 INFO L82 PathProgramCache]: Analyzing trace with hash 1349951716, now seen corresponding path program 1 times [2019-10-03 02:53:33,022 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:53:33,027 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:33,027 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:53:33,027 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:33,028 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:53:33,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:53:33,232 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-10-03 02:53:33,232 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:53:33,232 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:53:33,233 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:53:33,233 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:53:33,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:53:33,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:53:33,234 INFO L87 Difference]: Start difference. First operand 700 states and 963 transitions. Second operand 3 states. [2019-10-03 02:53:33,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:53:33,269 INFO L93 Difference]: Finished difference Result 786 states and 1108 transitions. [2019-10-03 02:53:33,269 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:53:33,269 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 187 [2019-10-03 02:53:33,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:53:33,276 INFO L225 Difference]: With dead ends: 786 [2019-10-03 02:53:33,276 INFO L226 Difference]: Without dead ends: 786 [2019-10-03 02:53:33,277 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:53:33,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 786 states. [2019-10-03 02:53:33,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 786 to 785. [2019-10-03 02:53:33,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 785 states. [2019-10-03 02:53:33,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 785 states to 785 states and 1107 transitions. [2019-10-03 02:53:33,314 INFO L78 Accepts]: Start accepts. Automaton has 785 states and 1107 transitions. Word has length 187 [2019-10-03 02:53:33,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:53:33,314 INFO L475 AbstractCegarLoop]: Abstraction has 785 states and 1107 transitions. [2019-10-03 02:53:33,315 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:53:33,315 INFO L276 IsEmpty]: Start isEmpty. Operand 785 states and 1107 transitions. [2019-10-03 02:53:33,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2019-10-03 02:53:33,320 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:53:33,320 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2019-10-03 02:53:33,321 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:53:33,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:53:33,321 INFO L82 PathProgramCache]: Analyzing trace with hash 406416016, now seen corresponding path program 1 times [2019-10-03 02:53:33,321 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:53:33,326 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:33,326 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:53:33,327 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:33,327 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:53:33,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:53:33,616 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-10-03 02:53:33,616 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:53:33,616 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-03 02:53:33,616 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:53:33,617 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-03 02:53:33,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-03 02:53:33,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-03 02:53:33,618 INFO L87 Difference]: Start difference. First operand 785 states and 1107 transitions. Second operand 7 states. [2019-10-03 02:53:37,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:53:37,701 INFO L93 Difference]: Finished difference Result 1157 states and 1593 transitions. [2019-10-03 02:53:37,702 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-03 02:53:37,702 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 190 [2019-10-03 02:53:37,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:53:37,713 INFO L225 Difference]: With dead ends: 1157 [2019-10-03 02:53:37,713 INFO L226 Difference]: Without dead ends: 1155 [2019-10-03 02:53:37,714 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-10-03 02:53:37,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1155 states. [2019-10-03 02:53:37,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1155 to 1146. [2019-10-03 02:53:37,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1146 states. [2019-10-03 02:53:37,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1146 states to 1146 states and 1581 transitions. [2019-10-03 02:53:37,756 INFO L78 Accepts]: Start accepts. Automaton has 1146 states and 1581 transitions. Word has length 190 [2019-10-03 02:53:37,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:53:37,758 INFO L475 AbstractCegarLoop]: Abstraction has 1146 states and 1581 transitions. [2019-10-03 02:53:37,758 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-03 02:53:37,758 INFO L276 IsEmpty]: Start isEmpty. Operand 1146 states and 1581 transitions. [2019-10-03 02:53:37,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2019-10-03 02:53:37,762 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:53:37,763 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2019-10-03 02:53:37,763 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:53:37,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:53:37,764 INFO L82 PathProgramCache]: Analyzing trace with hash 1235262333, now seen corresponding path program 1 times [2019-10-03 02:53:37,764 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:53:37,768 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:37,768 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:53:37,768 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:37,768 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:53:37,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:53:38,288 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-10-03 02:53:38,288 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:53:38,288 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2019-10-03 02:53:38,289 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:53:38,289 INFO L454 AbstractCegarLoop]: Interpolant automaton has 20 states [2019-10-03 02:53:38,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2019-10-03 02:53:38,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=343, Unknown=0, NotChecked=0, Total=380 [2019-10-03 02:53:38,290 INFO L87 Difference]: Start difference. First operand 1146 states and 1581 transitions. Second operand 20 states. [2019-10-03 02:53:38,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:53:38,900 INFO L93 Difference]: Finished difference Result 1264 states and 1746 transitions. [2019-10-03 02:53:38,900 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-10-03 02:53:38,900 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 191 [2019-10-03 02:53:38,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:53:38,907 INFO L225 Difference]: With dead ends: 1264 [2019-10-03 02:53:38,908 INFO L226 Difference]: Without dead ends: 1256 [2019-10-03 02:53:38,908 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=69, Invalid=687, Unknown=0, NotChecked=0, Total=756 [2019-10-03 02:53:38,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1256 states. [2019-10-03 02:53:38,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1256 to 1254. [2019-10-03 02:53:38,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1254 states. [2019-10-03 02:53:38,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1254 states to 1254 states and 1734 transitions. [2019-10-03 02:53:38,946 INFO L78 Accepts]: Start accepts. Automaton has 1254 states and 1734 transitions. Word has length 191 [2019-10-03 02:53:38,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:53:38,947 INFO L475 AbstractCegarLoop]: Abstraction has 1254 states and 1734 transitions. [2019-10-03 02:53:38,947 INFO L476 AbstractCegarLoop]: Interpolant automaton has 20 states. [2019-10-03 02:53:38,947 INFO L276 IsEmpty]: Start isEmpty. Operand 1254 states and 1734 transitions. [2019-10-03 02:53:38,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2019-10-03 02:53:38,952 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:53:38,952 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:53:38,952 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:53:38,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:53:38,953 INFO L82 PathProgramCache]: Analyzing trace with hash -528553574, now seen corresponding path program 1 times [2019-10-03 02:53:38,953 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:53:38,957 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:38,957 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:53:38,957 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:38,957 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:53:39,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:53:39,169 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-10-03 02:53:39,169 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:53:39,169 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-03 02:53:39,169 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:53:39,170 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-03 02:53:39,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-03 02:53:39,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-03 02:53:39,171 INFO L87 Difference]: Start difference. First operand 1254 states and 1734 transitions. Second operand 8 states. [2019-10-03 02:53:40,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:53:40,654 INFO L93 Difference]: Finished difference Result 2124 states and 2894 transitions. [2019-10-03 02:53:40,654 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-03 02:53:40,654 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 200 [2019-10-03 02:53:40,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:53:40,676 INFO L225 Difference]: With dead ends: 2124 [2019-10-03 02:53:40,676 INFO L226 Difference]: Without dead ends: 2124 [2019-10-03 02:53:40,676 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2019-10-03 02:53:40,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2124 states. [2019-10-03 02:53:40,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2124 to 2105. [2019-10-03 02:53:40,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2105 states. [2019-10-03 02:53:40,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2105 states to 2105 states and 2875 transitions. [2019-10-03 02:53:40,763 INFO L78 Accepts]: Start accepts. Automaton has 2105 states and 2875 transitions. Word has length 200 [2019-10-03 02:53:40,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:53:40,765 INFO L475 AbstractCegarLoop]: Abstraction has 2105 states and 2875 transitions. [2019-10-03 02:53:40,766 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-03 02:53:40,766 INFO L276 IsEmpty]: Start isEmpty. Operand 2105 states and 2875 transitions. [2019-10-03 02:53:40,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2019-10-03 02:53:40,771 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:53:40,771 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:53:40,771 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:53:40,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:53:40,772 INFO L82 PathProgramCache]: Analyzing trace with hash -398855595, now seen corresponding path program 1 times [2019-10-03 02:53:40,772 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:53:40,776 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:40,776 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:53:40,805 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:40,805 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:53:40,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:53:41,151 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-10-03 02:53:41,151 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:53:41,152 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2019-10-03 02:53:41,152 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:53:41,152 INFO L454 AbstractCegarLoop]: Interpolant automaton has 19 states [2019-10-03 02:53:41,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2019-10-03 02:53:41,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=307, Unknown=0, NotChecked=0, Total=342 [2019-10-03 02:53:41,153 INFO L87 Difference]: Start difference. First operand 2105 states and 2875 transitions. Second operand 19 states. [2019-10-03 02:53:42,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:53:42,201 INFO L93 Difference]: Finished difference Result 2104 states and 2871 transitions. [2019-10-03 02:53:42,201 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-10-03 02:53:42,201 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 201 [2019-10-03 02:53:42,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:53:42,213 INFO L225 Difference]: With dead ends: 2104 [2019-10-03 02:53:42,213 INFO L226 Difference]: Without dead ends: 2104 [2019-10-03 02:53:42,214 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=115, Invalid=1075, Unknown=0, NotChecked=0, Total=1190 [2019-10-03 02:53:42,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2104 states. [2019-10-03 02:53:42,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2104 to 2103. [2019-10-03 02:53:42,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2103 states. [2019-10-03 02:53:42,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2103 states to 2103 states and 2870 transitions. [2019-10-03 02:53:42,281 INFO L78 Accepts]: Start accepts. Automaton has 2103 states and 2870 transitions. Word has length 201 [2019-10-03 02:53:42,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:53:42,282 INFO L475 AbstractCegarLoop]: Abstraction has 2103 states and 2870 transitions. [2019-10-03 02:53:42,282 INFO L476 AbstractCegarLoop]: Interpolant automaton has 19 states. [2019-10-03 02:53:42,282 INFO L276 IsEmpty]: Start isEmpty. Operand 2103 states and 2870 transitions. [2019-10-03 02:53:42,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2019-10-03 02:53:42,287 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:53:42,288 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:53:42,288 INFO L418 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:53:42,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:53:42,288 INFO L82 PathProgramCache]: Analyzing trace with hash -942439337, now seen corresponding path program 2 times [2019-10-03 02:53:42,289 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:53:42,292 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:42,292 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:53:42,293 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:42,293 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:53:42,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:53:42,518 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-10-03 02:53:42,519 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-03 02:53:42,519 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-10-03 02:53:42,520 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-10-03 02:53:42,522 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-10-03 02:53:42,522 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-03 02:53:42,522 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-03 02:53:42,749 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-10-03 02:53:42,749 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2019-10-03 02:53:43,079 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2019-10-03 02:53:43,079 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-03 02:53:43,087 INFO L256 TraceCheckSpWp]: Trace formula consists of 2266 conjuncts, 10 conjunts are in the unsatisfiable core [2019-10-03 02:53:43,106 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-03 02:53:43,358 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-10-03 02:53:43,359 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-03 02:53:43,877 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-10-03 02:53:43,885 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-03 02:53:43,885 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [11] total 23 [2019-10-03 02:53:43,885 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:53:43,886 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-03 02:53:43,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-03 02:53:43,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=452, Unknown=0, NotChecked=0, Total=506 [2019-10-03 02:53:43,887 INFO L87 Difference]: Start difference. First operand 2103 states and 2870 transitions. Second operand 8 states. [2019-10-03 02:53:45,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:53:45,319 INFO L93 Difference]: Finished difference Result 4174 states and 5721 transitions. [2019-10-03 02:53:45,322 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-03 02:53:45,323 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 201 [2019-10-03 02:53:45,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:53:45,354 INFO L225 Difference]: With dead ends: 4174 [2019-10-03 02:53:45,354 INFO L226 Difference]: Without dead ends: 4174 [2019-10-03 02:53:45,355 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 420 GetRequests, 391 SyntacticMatches, 2 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=98, Invalid=714, Unknown=0, NotChecked=0, Total=812 [2019-10-03 02:53:45,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4174 states. [2019-10-03 02:53:45,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4174 to 4159. [2019-10-03 02:53:45,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4159 states. [2019-10-03 02:53:45,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4159 states to 4159 states and 5707 transitions. [2019-10-03 02:53:45,547 INFO L78 Accepts]: Start accepts. Automaton has 4159 states and 5707 transitions. Word has length 201 [2019-10-03 02:53:45,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:53:45,548 INFO L475 AbstractCegarLoop]: Abstraction has 4159 states and 5707 transitions. [2019-10-03 02:53:45,548 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-03 02:53:45,548 INFO L276 IsEmpty]: Start isEmpty. Operand 4159 states and 5707 transitions. [2019-10-03 02:53:45,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2019-10-03 02:53:45,561 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:53:45,561 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:53:45,562 INFO L418 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:53:45,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:53:45,562 INFO L82 PathProgramCache]: Analyzing trace with hash -1329657251, now seen corresponding path program 1 times [2019-10-03 02:53:45,562 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:53:45,566 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:45,567 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-10-03 02:53:45,567 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:45,567 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:53:45,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:53:45,842 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-10-03 02:53:45,842 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-03 02:53:45,842 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-10-03 02:53:45,844 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 203 with the following transitions: [2019-10-03 02:53:45,846 INFO L207 CegarAbsIntRunner]: [72], [75], [84], [85], [88], [89], [92], [98], [116], [119], [129], [130], [159], [162], [163], [164], [166], [276], [278], [282], [285], [286], [287], [290], [296], [332], [334], [336], [343], [350], [353], [362], [383], [385], [386], [389], [399], [466], [659], [661], [662], [663], [701], [704], [718], [747], [750], [756], [757], [758], [759], [776], [778], [782], [785], [809], [813], [816], [824], [827], [898], [907], [911], [913], [915], [918], [925], [932], [935], [937], [1075], [1077], [1094], [1098], [1101], [1115], [1172], [1174], [1177], [1179], [1182], [1242], [1314], [1318], [1329], [1332], [1333], [1336], [1339], [1370], [1373], [1375], [1488], [1491], [1493], [1496], [1505], [1511], [1514], [1523], [1539], [1542], [1551], [1717], [1719], [1721], [1723], [1724], [1760], [1770], [1771], [1772], [1773], [1774], [1775], [1778], [1779], [1780], [1781], [1782], [1784], [1785], [1786], [1787], [1800], [1801], [1802], [1803], [1808], [1820], [1821], [1840], [1841], [1866], [1867], [1882], [1888], [1889], [1890], [1891], [1892], [1893], [1894], [1895], [1896], [1897], [1898], [1899], [1900], [1901], [1902], [1904], [1905], [1906], [1907], [1946], [1947], [1966], [1968], [1969], [1986], [1988], [1989], [1990], [1991], [1992], [1994], [1995], [1996], [1998], [1999], [2000], [2001], [2002], [2003], [2004], [2024], [2025], [2026], [2027], [2028], [2029], [2030], [2031], [2032] [2019-10-03 02:53:45,918 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-03 02:53:45,919 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-03 02:53:46,136 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-03 02:53:46,138 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 195 root evaluator evaluations with a maximum evaluation depth of 0. Performed 195 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 384 variables. [2019-10-03 02:53:46,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:53:46,145 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-03 02:53:46,221 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-03 02:53:46,221 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-10-03 02:53:46,226 INFO L420 sIntCurrentIteration]: We unified 201 AI predicates to 201 [2019-10-03 02:53:46,227 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-03 02:53:46,227 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-03 02:53:46,228 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [11] total 11 [2019-10-03 02:53:46,228 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:53:46,229 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:53:46,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:53:46,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:53:46,230 INFO L87 Difference]: Start difference. First operand 4159 states and 5707 transitions. Second operand 2 states. [2019-10-03 02:53:46,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:53:46,230 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-10-03 02:53:46,231 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:53:46,231 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 202 [2019-10-03 02:53:46,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:53:46,231 INFO L225 Difference]: With dead ends: 2 [2019-10-03 02:53:46,231 INFO L226 Difference]: Without dead ends: 0 [2019-10-03 02:53:46,232 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 201 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:53:46,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-03 02:53:46,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-03 02:53:46,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-03 02:53:46,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-03 02:53:46,233 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 202 [2019-10-03 02:53:46,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:53:46,233 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-03 02:53:46,233 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:53:46,234 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-03 02:53:46,234 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-03 02:53:46,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.10 02:53:46 BoogieIcfgContainer [2019-10-03 02:53:46,240 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-03 02:53:46,243 INFO L168 Benchmark]: Toolchain (without parser) took 18873.21 ms. Allocated memory was 130.0 MB in the beginning and 630.2 MB in the end (delta: 500.2 MB). Free memory was 82.8 MB in the beginning and 362.2 MB in the end (delta: -279.5 MB). Peak memory consumption was 220.7 MB. Max. memory is 7.1 GB. [2019-10-03 02:53:46,244 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 130.0 MB. Free memory was 104.3 MB in the beginning and 104.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-03 02:53:46,245 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1108.48 ms. Allocated memory was 130.0 MB in the beginning and 198.2 MB in the end (delta: 68.2 MB). Free memory was 82.6 MB in the beginning and 122.1 MB in the end (delta: -39.6 MB). Peak memory consumption was 35.3 MB. Max. memory is 7.1 GB. [2019-10-03 02:53:46,246 INFO L168 Benchmark]: Boogie Preprocessor took 201.01 ms. Allocated memory is still 198.2 MB. Free memory was 122.1 MB in the beginning and 113.0 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. [2019-10-03 02:53:46,247 INFO L168 Benchmark]: RCFGBuilder took 2301.20 ms. Allocated memory was 198.2 MB in the beginning and 277.3 MB in the end (delta: 79.2 MB). Free memory was 113.0 MB in the beginning and 156.7 MB in the end (delta: -43.7 MB). Peak memory consumption was 76.5 MB. Max. memory is 7.1 GB. [2019-10-03 02:53:46,248 INFO L168 Benchmark]: TraceAbstraction took 15258.22 ms. Allocated memory was 277.3 MB in the beginning and 630.2 MB in the end (delta: 352.8 MB). Free memory was 156.7 MB in the beginning and 362.2 MB in the end (delta: -205.6 MB). Peak memory consumption was 147.3 MB. Max. memory is 7.1 GB. [2019-10-03 02:53:46,252 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 130.0 MB. Free memory was 104.3 MB in the beginning and 104.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1108.48 ms. Allocated memory was 130.0 MB in the beginning and 198.2 MB in the end (delta: 68.2 MB). Free memory was 82.6 MB in the beginning and 122.1 MB in the end (delta: -39.6 MB). Peak memory consumption was 35.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 201.01 ms. Allocated memory is still 198.2 MB. Free memory was 122.1 MB in the beginning and 113.0 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2301.20 ms. Allocated memory was 198.2 MB in the beginning and 277.3 MB in the end (delta: 79.2 MB). Free memory was 113.0 MB in the beginning and 156.7 MB in the end (delta: -43.7 MB). Peak memory consumption was 76.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 15258.22 ms. Allocated memory was 277.3 MB in the beginning and 630.2 MB in the end (delta: 352.8 MB). Free memory was 156.7 MB in the beginning and 362.2 MB in the end (delta: -205.6 MB). Peak memory consumption was 147.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 43]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 121 procedures, 842 locations, 1 error locations. SAFE Result, 15.1s OverallTime, 10 OverallIterations, 3 TraceHistogramMax, 9.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 8430 SDtfs, 3604 SDslu, 44375 SDs, 0 SdLazy, 6003 SolverSat, 691 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 730 GetRequests, 617 SyntacticMatches, 2 SemanticMatches, 111 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 197 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4159occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.3s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 2.1592039800995027 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 10 MinimizatonAttempts, 49 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.3s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 2106 NumberOfCodeBlocks, 1981 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 2295 ConstructedInterpolants, 0 QuantifiedInterpolants, 644609 SizeOfPredicates, 5 NumberOfNonLiveVariables, 2266 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 394/400 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...