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_product27.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 02:53:08,394 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 02:53:08,396 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 02:53:08,407 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 02:53:08,407 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 02:53:08,409 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 02:53:08,410 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 02:53:08,412 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 02:53:08,414 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 02:53:08,414 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 02:53:08,415 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 02:53:08,417 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 02:53:08,417 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 02:53:08,418 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 02:53:08,419 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 02:53:08,420 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 02:53:08,421 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 02:53:08,422 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 02:53:08,424 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 02:53:08,426 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 02:53:08,428 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 02:53:08,429 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 02:53:08,431 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 02:53:08,432 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 02:53:08,434 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 02:53:08,434 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 02:53:08,435 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 02:53:08,436 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 02:53:08,436 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 02:53:08,437 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 02:53:08,437 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 02:53:08,438 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 02:53:08,439 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 02:53:08,440 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 02:53:08,441 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 02:53:08,441 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 02:53:08,442 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 02:53:08,442 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 02:53:08,443 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 02:53:08,444 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 02:53:08,445 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 02:53:08,446 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 02:53:08,470 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 02:53:08,471 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 02:53:08,471 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 02:53:08,472 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 02:53:08,473 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 02:53:08,473 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 02:53:08,473 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 02:53:08,473 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 02:53:08,473 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 02:53:08,474 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 02:53:08,476 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 02:53:08,476 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 02:53:08,476 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 02:53:08,477 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 02:53:08,477 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 02:53:08,477 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 02:53:08,477 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 02:53:08,477 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 02:53:08,478 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 02:53:08,478 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 02:53:08,478 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 02:53:08,478 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 02:53:08,479 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 02:53:08,479 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 02:53:08,479 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 02:53:08,479 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 02:53:08,480 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 02:53:08,480 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 02:53:08,480 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 02:53:08,480 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 02:53:08,535 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 02:53:08,551 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 02:53:08,556 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 02:53:08,558 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 02:53:08,558 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 02:53:08,559 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec4_product27.cil.c [2019-10-03 02:53:08,633 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10dc398e1/4eac3cb341854775a8f357e9bec2bf40/FLAG5bbe4b017 [2019-10-03 02:53:09,266 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 02:53:09,267 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec4_product27.cil.c [2019-10-03 02:53:09,303 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10dc398e1/4eac3cb341854775a8f357e9bec2bf40/FLAG5bbe4b017 [2019-10-03 02:53:09,490 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10dc398e1/4eac3cb341854775a8f357e9bec2bf40 [2019-10-03 02:53:09,499 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 02:53:09,500 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 02:53:09,501 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 02:53:09,502 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 02:53:09,505 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 02:53:09,506 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:53:09" (1/1) ... [2019-10-03 02:53:09,509 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@200f6291 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:53:09, skipping insertion in model container [2019-10-03 02:53:09,509 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:53:09" (1/1) ... [2019-10-03 02:53:09,517 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 02:53:09,607 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 02:53:10,421 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:53:10,438 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 02:53:10,542 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:53:10,657 INFO L192 MainTranslator]: Completed translation [2019-10-03 02:53:10,658 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:53:10 WrapperNode [2019-10-03 02:53:10,658 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 02:53:10,659 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 02:53:10,659 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 02:53:10,660 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 02:53:10,675 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:53:10" (1/1) ... [2019-10-03 02:53:10,677 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:53:10" (1/1) ... [2019-10-03 02:53:10,715 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:53:10" (1/1) ... [2019-10-03 02:53:10,716 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:53:10" (1/1) ... [2019-10-03 02:53:10,770 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:53:10" (1/1) ... [2019-10-03 02:53:10,795 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:53:10" (1/1) ... [2019-10-03 02:53:10,808 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:53:10" (1/1) ... [2019-10-03 02:53:10,826 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 02:53:10,826 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 02:53:10,827 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 02:53:10,827 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 02:53:10,828 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:53:10" (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 02:53:10,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 02:53:10,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 02:53:10,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-03 02:53:10,912 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-03 02:53:10,913 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-03 02:53:10,913 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-03 02:53:10,913 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-03 02:53:10,913 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-03 02:53:10,913 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-03 02:53:10,913 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-03 02:53:10,914 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-03 02:53:10,914 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-03 02:53:10,914 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-03 02:53:10,914 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-03 02:53:10,914 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-03 02:53:10,915 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-03 02:53:10,915 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-03 02:53:10,915 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-03 02:53:10,915 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-03 02:53:10,916 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-03 02:53:10,916 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-03 02:53:10,916 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-03 02:53:10,916 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-03 02:53:10,916 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-03 02:53:10,917 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-03 02:53:10,917 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-03 02:53:10,917 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-03 02:53:10,917 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-03 02:53:10,917 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-03 02:53:10,917 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-03 02:53:10,918 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-03 02:53:10,918 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-03 02:53:10,918 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-03 02:53:10,918 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-03 02:53:10,918 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-03 02:53:10,919 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-03 02:53:10,919 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-03 02:53:10,919 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-03 02:53:10,919 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-03 02:53:10,919 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-03 02:53:10,919 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-03 02:53:10,919 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-03 02:53:10,920 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-03 02:53:10,920 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-03 02:53:10,920 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-03 02:53:10,920 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-03 02:53:10,920 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-03 02:53:10,920 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-03 02:53:10,920 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-03 02:53:10,921 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-03 02:53:10,921 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-03 02:53:10,921 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-03 02:53:10,921 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-03 02:53:10,921 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-03 02:53:10,922 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-03 02:53:10,922 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-03 02:53:10,922 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-03 02:53:10,922 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-03 02:53:10,922 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-03 02:53:10,922 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-03 02:53:10,922 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2019-10-03 02:53:10,923 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2019-10-03 02:53:10,923 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-03 02:53:10,923 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-03 02:53:10,923 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-03 02:53:10,923 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-03 02:53:10,924 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-03 02:53:10,924 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-03 02:53:10,924 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-03 02:53:10,924 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-03 02:53:10,924 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-03 02:53:10,924 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-03 02:53:10,924 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-03 02:53:10,925 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-03 02:53:10,925 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-03 02:53:10,925 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-03 02:53:10,925 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-03 02:53:10,925 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-03 02:53:10,925 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-03 02:53:10,925 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-03 02:53:10,926 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-03 02:53:10,926 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 02:53:10,926 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-03 02:53:10,926 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-03 02:53:10,926 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-03 02:53:10,926 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-03 02:53:10,927 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-03 02:53:10,927 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-03 02:53:10,927 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-03 02:53:10,927 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-03 02:53:10,927 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-03 02:53:10,927 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-03 02:53:10,928 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-03 02:53:10,928 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-03 02:53:10,928 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-03 02:53:10,928 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-10-03 02:53:10,928 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2019-10-03 02:53:10,928 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-03 02:53:10,929 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-03 02:53:10,929 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Keys [2019-10-03 02:53:10,929 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-03 02:53:10,929 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-10-03 02:53:10,929 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-03 02:53:10,929 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-03 02:53:10,929 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-03 02:53:10,930 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-03 02:53:10,930 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-03 02:53:10,930 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-03 02:53:10,930 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-03 02:53:10,930 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-03 02:53:10,930 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-03 02:53:10,930 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-03 02:53:10,931 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-03 02:53:10,931 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-03 02:53:10,931 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-03 02:53:10,931 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-03 02:53:10,931 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignForward_spec__1 [2019-10-03 02:53:10,932 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 02:53:10,932 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 02:53:10,932 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-03 02:53:10,932 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-03 02:53:10,932 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-03 02:53:10,932 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-03 02:53:10,932 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-03 02:53:10,933 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-03 02:53:10,933 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-03 02:53:10,933 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-03 02:53:10,933 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-03 02:53:10,933 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-03 02:53:10,933 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-03 02:53:10,933 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-03 02:53:10,934 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-03 02:53:10,934 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-03 02:53:10,934 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-03 02:53:10,934 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-03 02:53:10,934 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-03 02:53:10,934 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-03 02:53:10,935 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-03 02:53:10,935 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-03 02:53:10,935 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-03 02:53:10,935 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-03 02:53:10,935 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-03 02:53:10,935 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-03 02:53:10,935 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-03 02:53:10,936 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-03 02:53:10,936 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-03 02:53:10,936 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-03 02:53:10,936 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-03 02:53:10,936 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-03 02:53:10,936 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-03 02:53:10,937 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-03 02:53:10,937 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-03 02:53:10,937 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-03 02:53:10,937 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-03 02:53:10,937 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-03 02:53:10,937 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-03 02:53:10,937 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-03 02:53:10,938 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-03 02:53:10,938 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-03 02:53:10,938 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-03 02:53:10,938 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-03 02:53:10,938 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-03 02:53:10,938 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-03 02:53:10,938 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-03 02:53:10,939 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-03 02:53:10,939 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-03 02:53:10,939 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-03 02:53:10,939 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-03 02:53:10,939 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-03 02:53:10,939 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-03 02:53:10,940 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-03 02:53:10,940 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-03 02:53:10,940 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-03 02:53:10,940 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-03 02:53:10,940 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-03 02:53:10,940 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-03 02:53:10,941 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-03 02:53:10,941 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-03 02:53:10,941 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-03 02:53:10,941 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-03 02:53:10,941 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-03 02:53:10,941 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-03 02:53:10,941 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-03 02:53:10,942 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-03 02:53:10,942 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-03 02:53:10,942 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-03 02:53:10,943 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-03 02:53:10,943 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-03 02:53:10,943 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-03 02:53:10,943 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-03 02:53:10,943 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-03 02:53:10,944 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-03 02:53:10,944 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-03 02:53:10,944 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2019-10-03 02:53:10,944 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2019-10-03 02:53:10,944 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-03 02:53:10,944 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-03 02:53:10,944 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-03 02:53:10,945 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-03 02:53:10,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-03 02:53:10,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-03 02:53:10,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-03 02:53:10,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-03 02:53:10,945 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-03 02:53:10,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-03 02:53:10,946 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-03 02:53:10,946 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-03 02:53:10,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-03 02:53:10,946 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-03 02:53:10,946 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-03 02:53:10,946 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-03 02:53:10,946 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-03 02:53:10,947 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-03 02:53:10,947 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-03 02:53:10,947 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-03 02:53:10,947 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-03 02:53:10,947 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-03 02:53:10,947 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-03 02:53:10,948 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-03 02:53:10,948 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-03 02:53:10,948 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-03 02:53:10,948 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-03 02:53:10,948 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-03 02:53:10,948 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 02:53:10,949 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-03 02:53:10,949 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-03 02:53:10,949 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-03 02:53:10,949 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-03 02:53:10,949 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-03 02:53:10,950 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-03 02:53:10,950 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-03 02:53:10,950 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-03 02:53:10,950 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-03 02:53:10,950 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-03 02:53:10,950 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-03 02:53:10,951 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-03 02:53:10,951 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-03 02:53:10,951 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-03 02:53:10,951 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-03 02:53:10,951 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-03 02:53:10,952 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignForward_spec__1 [2019-10-03 02:53:10,952 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-10-03 02:53:10,952 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2019-10-03 02:53:10,952 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Keys [2019-10-03 02:53:10,952 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-03 02:53:10,952 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-10-03 02:53:10,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 02:53:10,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-03 02:53:10,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 02:53:13,093 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 02:53:13,093 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-03 02:53:13,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:53:13 BoogieIcfgContainer [2019-10-03 02:53:13,097 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 02:53:13,100 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-03 02:53:13,100 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-03 02:53:13,103 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-03 02:53:13,104 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.10 02:53:09" (1/3) ... [2019-10-03 02:53:13,105 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@130af7d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:53:13, skipping insertion in model container [2019-10-03 02:53:13,105 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:53:10" (2/3) ... [2019-10-03 02:53:13,107 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@130af7d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:53:13, skipping insertion in model container [2019-10-03 02:53:13,108 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:53:13" (3/3) ... [2019-10-03 02:53:13,109 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec4_product27.cil.c [2019-10-03 02:53:13,121 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-03 02:53:13,132 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-03 02:53:13,150 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-03 02:53:13,180 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-03 02:53:13,180 INFO L378 AbstractCegarLoop]: Hoare is false [2019-10-03 02:53:13,183 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-03 02:53:13,184 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-03 02:53:13,184 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-03 02:53:13,184 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-03 02:53:13,190 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-03 02:53:13,190 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-03 02:53:13,232 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states. [2019-10-03 02:53:13,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2019-10-03 02:53:13,272 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:53:13,273 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] [2019-10-03 02:53:13,277 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:53:13,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:53:13,283 INFO L82 PathProgramCache]: Analyzing trace with hash -1321708058, now seen corresponding path program 1 times [2019-10-03 02:53:13,286 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:53:13,355 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:13,355 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:53:13,355 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:13,355 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:53:13,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:53:13,976 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 02:53:13,978 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:53:13,979 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-03 02:53:13,979 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:53:13,986 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:53:14,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:53:14,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:53:14,006 INFO L87 Difference]: Start difference. First operand 619 states. Second operand 2 states. [2019-10-03 02:53:14,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:53:14,076 INFO L93 Difference]: Finished difference Result 599 states and 811 transitions. [2019-10-03 02:53:14,076 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:53:14,078 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 157 [2019-10-03 02:53:14,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:53:14,104 INFO L225 Difference]: With dead ends: 599 [2019-10-03 02:53:14,104 INFO L226 Difference]: Without dead ends: 590 [2019-10-03 02:53:14,106 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 02:53:14,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 590 states. [2019-10-03 02:53:14,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 590 to 590. [2019-10-03 02:53:14,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 590 states. [2019-10-03 02:53:14,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 590 states and 800 transitions. [2019-10-03 02:53:14,207 INFO L78 Accepts]: Start accepts. Automaton has 590 states and 800 transitions. Word has length 157 [2019-10-03 02:53:14,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:53:14,209 INFO L475 AbstractCegarLoop]: Abstraction has 590 states and 800 transitions. [2019-10-03 02:53:14,209 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:53:14,210 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 800 transitions. [2019-10-03 02:53:14,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2019-10-03 02:53:14,215 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:53:14,216 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] [2019-10-03 02:53:14,216 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:53:14,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:53:14,217 INFO L82 PathProgramCache]: Analyzing trace with hash -1215035645, now seen corresponding path program 1 times [2019-10-03 02:53:14,217 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:53:14,223 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:14,223 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:53:14,223 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:14,223 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:53:14,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:53:14,543 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 02:53:14,543 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:53:14,543 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:53:14,544 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:53:14,545 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:53:14,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:53:14,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:53:14,546 INFO L87 Difference]: Start difference. First operand 590 states and 800 transitions. Second operand 3 states. [2019-10-03 02:53:14,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:53:14,612 INFO L93 Difference]: Finished difference Result 593 states and 803 transitions. [2019-10-03 02:53:14,613 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:53:14,613 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 158 [2019-10-03 02:53:14,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:53:14,625 INFO L225 Difference]: With dead ends: 593 [2019-10-03 02:53:14,626 INFO L226 Difference]: Without dead ends: 593 [2019-10-03 02:53:14,626 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 02:53:14,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2019-10-03 02:53:14,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 592. [2019-10-03 02:53:14,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 592 states. [2019-10-03 02:53:14,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 802 transitions. [2019-10-03 02:53:14,667 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 802 transitions. Word has length 158 [2019-10-03 02:53:14,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:53:14,668 INFO L475 AbstractCegarLoop]: Abstraction has 592 states and 802 transitions. [2019-10-03 02:53:14,668 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:53:14,668 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 802 transitions. [2019-10-03 02:53:14,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2019-10-03 02:53:14,675 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:53:14,676 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] [2019-10-03 02:53:14,676 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:53:14,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:53:14,676 INFO L82 PathProgramCache]: Analyzing trace with hash -1817662030, now seen corresponding path program 1 times [2019-10-03 02:53:14,677 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:53:14,687 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:14,688 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:53:14,688 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:14,688 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:53:14,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:53:14,922 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 02:53:14,922 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:53:14,922 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:53:14,922 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:53:14,923 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:53:14,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:53:14,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:53:14,924 INFO L87 Difference]: Start difference. First operand 592 states and 802 transitions. Second operand 3 states. [2019-10-03 02:53:14,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:53:14,949 INFO L93 Difference]: Finished difference Result 637 states and 878 transitions. [2019-10-03 02:53:14,950 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:53:14,950 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 170 [2019-10-03 02:53:14,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:53:14,955 INFO L225 Difference]: With dead ends: 637 [2019-10-03 02:53:14,955 INFO L226 Difference]: Without dead ends: 637 [2019-10-03 02:53:14,956 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 02:53:14,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 637 states. [2019-10-03 02:53:14,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 637 to 636. [2019-10-03 02:53:14,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 636 states. [2019-10-03 02:53:14,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 636 states and 877 transitions. [2019-10-03 02:53:14,984 INFO L78 Accepts]: Start accepts. Automaton has 636 states and 877 transitions. Word has length 170 [2019-10-03 02:53:14,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:53:14,985 INFO L475 AbstractCegarLoop]: Abstraction has 636 states and 877 transitions. [2019-10-03 02:53:14,985 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:53:14,985 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 877 transitions. [2019-10-03 02:53:14,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2019-10-03 02:53:14,993 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:53:14,994 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] [2019-10-03 02:53:14,994 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:53:14,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:53:14,994 INFO L82 PathProgramCache]: Analyzing trace with hash 1202923283, now seen corresponding path program 1 times [2019-10-03 02:53:14,995 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:53:14,999 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:15,000 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:53:15,004 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:15,004 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:53:15,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:53:15,300 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 02:53:15,301 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:53:15,304 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:53:15,305 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:53:15,306 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:53:15,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:53:15,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:53:15,307 INFO L87 Difference]: Start difference. First operand 636 states and 877 transitions. Second operand 3 states. [2019-10-03 02:53:15,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:53:15,350 INFO L93 Difference]: Finished difference Result 722 states and 1022 transitions. [2019-10-03 02:53:15,351 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:53:15,351 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 171 [2019-10-03 02:53:15,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:53:15,359 INFO L225 Difference]: With dead ends: 722 [2019-10-03 02:53:15,360 INFO L226 Difference]: Without dead ends: 722 [2019-10-03 02:53:15,360 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 02:53:15,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 722 states. [2019-10-03 02:53:15,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 722 to 721. [2019-10-03 02:53:15,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 721 states. [2019-10-03 02:53:15,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 721 states and 1021 transitions. [2019-10-03 02:53:15,411 INFO L78 Accepts]: Start accepts. Automaton has 721 states and 1021 transitions. Word has length 171 [2019-10-03 02:53:15,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:53:15,412 INFO L475 AbstractCegarLoop]: Abstraction has 721 states and 1021 transitions. [2019-10-03 02:53:15,412 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:53:15,412 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 1021 transitions. [2019-10-03 02:53:15,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2019-10-03 02:53:15,419 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:53:15,419 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] [2019-10-03 02:53:15,420 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:53:15,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:53:15,421 INFO L82 PathProgramCache]: Analyzing trace with hash 1280448012, now seen corresponding path program 1 times [2019-10-03 02:53:15,421 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:53:15,425 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:15,425 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:53:15,425 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:15,426 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:53:15,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:53:15,755 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 02:53:15,755 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:53:15,756 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-03 02:53:15,756 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:53:15,756 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-03 02:53:15,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-03 02:53:15,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-03 02:53:15,757 INFO L87 Difference]: Start difference. First operand 721 states and 1021 transitions. Second operand 7 states. [2019-10-03 02:53:19,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:53:19,609 INFO L93 Difference]: Finished difference Result 1029 states and 1421 transitions. [2019-10-03 02:53:19,610 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-03 02:53:19,610 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 174 [2019-10-03 02:53:19,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:53:19,616 INFO L225 Difference]: With dead ends: 1029 [2019-10-03 02:53:19,616 INFO L226 Difference]: Without dead ends: 1027 [2019-10-03 02:53:19,617 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-10-03 02:53:19,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1027 states. [2019-10-03 02:53:19,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1027 to 1018. [2019-10-03 02:53:19,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1018 states. [2019-10-03 02:53:19,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1018 states to 1018 states and 1409 transitions. [2019-10-03 02:53:19,653 INFO L78 Accepts]: Start accepts. Automaton has 1018 states and 1409 transitions. Word has length 174 [2019-10-03 02:53:19,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:53:19,654 INFO L475 AbstractCegarLoop]: Abstraction has 1018 states and 1409 transitions. [2019-10-03 02:53:19,654 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-03 02:53:19,654 INFO L276 IsEmpty]: Start isEmpty. Operand 1018 states and 1409 transitions. [2019-10-03 02:53:19,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2019-10-03 02:53:19,658 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:53:19,658 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] [2019-10-03 02:53:19,658 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:53:19,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:53:19,659 INFO L82 PathProgramCache]: Analyzing trace with hash -285515108, now seen corresponding path program 1 times [2019-10-03 02:53:19,659 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:53:19,662 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:19,663 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:53:19,663 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:19,663 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:53:19,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:53:19,969 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 02:53:19,969 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:53:19,970 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2019-10-03 02:53:19,970 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:53:19,970 INFO L454 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-10-03 02:53:19,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-10-03 02:53:19,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2019-10-03 02:53:19,971 INFO L87 Difference]: Start difference. First operand 1018 states and 1409 transitions. Second operand 18 states. [2019-10-03 02:53:20,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:53:20,526 INFO L93 Difference]: Finished difference Result 1114 states and 1542 transitions. [2019-10-03 02:53:20,528 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-10-03 02:53:20,529 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 175 [2019-10-03 02:53:20,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:53:20,536 INFO L225 Difference]: With dead ends: 1114 [2019-10-03 02:53:20,536 INFO L226 Difference]: Without dead ends: 1106 [2019-10-03 02:53:20,537 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=61, Invalid=539, Unknown=0, NotChecked=0, Total=600 [2019-10-03 02:53:20,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1106 states. [2019-10-03 02:53:20,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1106 to 1104. [2019-10-03 02:53:20,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1104 states. [2019-10-03 02:53:20,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1104 states to 1104 states and 1530 transitions. [2019-10-03 02:53:20,583 INFO L78 Accepts]: Start accepts. Automaton has 1104 states and 1530 transitions. Word has length 175 [2019-10-03 02:53:20,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:53:20,584 INFO L475 AbstractCegarLoop]: Abstraction has 1104 states and 1530 transitions. [2019-10-03 02:53:20,584 INFO L476 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-10-03 02:53:20,584 INFO L276 IsEmpty]: Start isEmpty. Operand 1104 states and 1530 transitions. [2019-10-03 02:53:20,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2019-10-03 02:53:20,588 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:53:20,588 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] [2019-10-03 02:53:20,589 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:53:20,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:53:20,589 INFO L82 PathProgramCache]: Analyzing trace with hash -1555376384, now seen corresponding path program 1 times [2019-10-03 02:53:20,589 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:53:20,593 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:20,593 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:53:20,593 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:20,593 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:53:20,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:53:20,834 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 02:53:20,834 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:53:20,834 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-03 02:53:20,835 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:53:20,835 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-03 02:53:20,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-03 02:53:20,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-03 02:53:20,836 INFO L87 Difference]: Start difference. First operand 1104 states and 1530 transitions. Second operand 8 states. [2019-10-03 02:53:22,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:53:22,257 INFO L93 Difference]: Finished difference Result 1824 states and 2482 transitions. [2019-10-03 02:53:22,257 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-03 02:53:22,258 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 184 [2019-10-03 02:53:22,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:53:22,275 INFO L225 Difference]: With dead ends: 1824 [2019-10-03 02:53:22,275 INFO L226 Difference]: Without dead ends: 1824 [2019-10-03 02:53:22,276 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 02:53:22,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1824 states. [2019-10-03 02:53:22,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1824 to 1805. [2019-10-03 02:53:22,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1805 states. [2019-10-03 02:53:22,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1805 states to 1805 states and 2463 transitions. [2019-10-03 02:53:22,354 INFO L78 Accepts]: Start accepts. Automaton has 1805 states and 2463 transitions. Word has length 184 [2019-10-03 02:53:22,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:53:22,357 INFO L475 AbstractCegarLoop]: Abstraction has 1805 states and 2463 transitions. [2019-10-03 02:53:22,357 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-03 02:53:22,357 INFO L276 IsEmpty]: Start isEmpty. Operand 1805 states and 2463 transitions. [2019-10-03 02:53:22,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2019-10-03 02:53:22,362 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:53:22,362 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] [2019-10-03 02:53:22,363 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:53:22,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:53:22,363 INFO L82 PathProgramCache]: Analyzing trace with hash 266069784, now seen corresponding path program 1 times [2019-10-03 02:53:22,363 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:53:22,367 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:22,367 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:53:22,368 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:22,368 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:53:22,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:53:22,741 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 02:53:22,741 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:53:22,741 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2019-10-03 02:53:22,742 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:53:22,743 INFO L454 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-10-03 02:53:22,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-10-03 02:53:22,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2019-10-03 02:53:22,745 INFO L87 Difference]: Start difference. First operand 1805 states and 2463 transitions. Second operand 17 states. [2019-10-03 02:53:23,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:53:23,634 INFO L93 Difference]: Finished difference Result 1804 states and 2459 transitions. [2019-10-03 02:53:23,635 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-10-03 02:53:23,635 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 185 [2019-10-03 02:53:23,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:53:23,652 INFO L225 Difference]: With dead ends: 1804 [2019-10-03 02:53:23,652 INFO L226 Difference]: Without dead ends: 1804 [2019-10-03 02:53:23,653 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=101, Invalid=829, Unknown=0, NotChecked=0, Total=930 [2019-10-03 02:53:23,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1804 states. [2019-10-03 02:53:23,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1804 to 1803. [2019-10-03 02:53:23,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1803 states. [2019-10-03 02:53:23,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1803 states to 1803 states and 2458 transitions. [2019-10-03 02:53:23,721 INFO L78 Accepts]: Start accepts. Automaton has 1803 states and 2458 transitions. Word has length 185 [2019-10-03 02:53:23,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:53:23,722 INFO L475 AbstractCegarLoop]: Abstraction has 1803 states and 2458 transitions. [2019-10-03 02:53:23,722 INFO L476 AbstractCegarLoop]: Interpolant automaton has 17 states. [2019-10-03 02:53:23,722 INFO L276 IsEmpty]: Start isEmpty. Operand 1803 states and 2458 transitions. [2019-10-03 02:53:23,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2019-10-03 02:53:23,727 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:53:23,727 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] [2019-10-03 02:53:23,727 INFO L418 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:53:23,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:53:23,728 INFO L82 PathProgramCache]: Analyzing trace with hash -2118439478, now seen corresponding path program 2 times [2019-10-03 02:53:23,728 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:53:23,732 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:23,732 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:53:23,732 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:23,732 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:53:23,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:53:23,948 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 02:53:23,948 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-03 02:53:23,948 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-10-03 02:53:23,949 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-10-03 02:53:23,950 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-10-03 02:53:23,950 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-03 02:53:23,951 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 02:53:24,094 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-10-03 02:53:24,094 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2019-10-03 02:53:24,464 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2019-10-03 02:53:24,464 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-03 02:53:24,473 INFO L256 TraceCheckSpWp]: Trace formula consists of 2158 conjuncts, 10 conjunts are in the unsatisfiable core [2019-10-03 02:53:24,492 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-03 02:53:24,697 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 02:53:24,697 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-03 02:53:25,270 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 02:53:25,286 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-03 02:53:25,286 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [11] total 23 [2019-10-03 02:53:25,287 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:53:25,287 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-03 02:53:25,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-03 02:53:25,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=452, Unknown=0, NotChecked=0, Total=506 [2019-10-03 02:53:25,288 INFO L87 Difference]: Start difference. First operand 1803 states and 2458 transitions. Second operand 8 states. [2019-10-03 02:53:26,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:53:26,490 INFO L93 Difference]: Finished difference Result 3574 states and 4897 transitions. [2019-10-03 02:53:26,490 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-03 02:53:26,491 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 185 [2019-10-03 02:53:26,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:53:26,521 INFO L225 Difference]: With dead ends: 3574 [2019-10-03 02:53:26,521 INFO L226 Difference]: Without dead ends: 3574 [2019-10-03 02:53:26,522 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 388 GetRequests, 359 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 02:53:26,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3574 states. [2019-10-03 02:53:26,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3574 to 3559. [2019-10-03 02:53:26,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3559 states. [2019-10-03 02:53:26,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3559 states to 3559 states and 4883 transitions. [2019-10-03 02:53:26,695 INFO L78 Accepts]: Start accepts. Automaton has 3559 states and 4883 transitions. Word has length 185 [2019-10-03 02:53:26,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:53:26,697 INFO L475 AbstractCegarLoop]: Abstraction has 3559 states and 4883 transitions. [2019-10-03 02:53:26,697 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-03 02:53:26,697 INFO L276 IsEmpty]: Start isEmpty. Operand 3559 states and 4883 transitions. [2019-10-03 02:53:26,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2019-10-03 02:53:26,708 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:53:26,708 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] [2019-10-03 02:53:26,708 INFO L418 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:53:26,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:53:26,709 INFO L82 PathProgramCache]: Analyzing trace with hash 1454053728, now seen corresponding path program 1 times [2019-10-03 02:53:26,709 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:53:26,713 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:26,714 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-10-03 02:53:26,714 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:26,714 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:53:26,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:53:26,984 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 02:53:26,985 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-03 02:53:26,985 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-10-03 02:53:26,986 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 187 with the following transitions: [2019-10-03 02:53:26,989 INFO L207 CegarAbsIntRunner]: [72], [75], [76], [79], [85], [86], [89], [98], [119], [122], [132], [133], [162], [165], [166], [167], [169], [279], [282], [283], [327], [329], [343], [346], [355], [358], [360], [361], [364], [374], [441], [630], [632], [633], [634], [672], [675], [689], [718], [719], [720], [723], [729], [730], [747], [749], [753], [756], [780], [784], [787], [795], [798], [832], [841], [845], [847], [849], [852], [859], [866], [869], [871], [1009], [1011], [1028], [1032], [1035], [1049], [1106], [1108], [1111], [1113], [1116], [1176], [1248], [1252], [1263], [1266], [1307], [1309], [1422], [1425], [1427], [1430], [1439], [1445], [1448], [1457], [1511], [1514], [1523], [1651], [1653], [1655], [1657], [1658], [1699], [1709], [1710], [1711], [1712], [1713], [1714], [1717], [1718], [1719], [1720], [1733], [1734], [1735], [1736], [1737], [1743], [1744], [1763], [1764], [1785], [1786], [1801], [1807], [1808], [1809], [1810], [1811], [1812], [1813], [1814], [1815], [1816], [1817], [1818], [1819], [1820], [1821], [1823], [1824], [1825], [1826], [1847], [1848], [1867], [1869], [1870], [1887], [1889], [1890], [1891], [1892], [1893], [1895], [1896], [1897], [1899], [1900], [1901], [1902], [1903], [1904], [1905], [1925], [1926], [1927], [1928], [1929], [1930], [1931], [1932], [1933] [2019-10-03 02:53:27,058 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-03 02:53:27,058 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-03 02:53:27,288 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-03 02:53:27,290 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 191 root evaluator evaluations with a maximum evaluation depth of 0. Performed 191 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 376 variables. [2019-10-03 02:53:27,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:53:27,298 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-03 02:53:27,390 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-03 02:53:27,390 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-10-03 02:53:27,405 INFO L420 sIntCurrentIteration]: We unified 185 AI predicates to 185 [2019-10-03 02:53:27,405 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-03 02:53:27,408 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-03 02:53:27,409 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [11] total 11 [2019-10-03 02:53:27,409 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:53:27,410 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:53:27,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:53:27,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:53:27,412 INFO L87 Difference]: Start difference. First operand 3559 states and 4883 transitions. Second operand 2 states. [2019-10-03 02:53:27,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:53:27,414 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-10-03 02:53:27,414 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:53:27,414 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 186 [2019-10-03 02:53:27,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:53:27,416 INFO L225 Difference]: With dead ends: 2 [2019-10-03 02:53:27,416 INFO L226 Difference]: Without dead ends: 0 [2019-10-03 02:53:27,416 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 185 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 02:53:27,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-03 02:53:27,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-03 02:53:27,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-03 02:53:27,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-03 02:53:27,418 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 186 [2019-10-03 02:53:27,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:53:27,418 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-03 02:53:27,418 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:53:27,419 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-03 02:53:27,419 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-03 02:53:27,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.10 02:53:27 BoogieIcfgContainer [2019-10-03 02:53:27,427 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-03 02:53:27,431 INFO L168 Benchmark]: Toolchain (without parser) took 17928.60 ms. Allocated memory was 136.8 MB in the beginning and 532.2 MB in the end (delta: 395.3 MB). Free memory was 82.0 MB in the beginning and 132.1 MB in the end (delta: -50.1 MB). Peak memory consumption was 345.2 MB. Max. memory is 7.1 GB. [2019-10-03 02:53:27,434 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 136.8 MB. Free memory was 102.9 MB in the beginning and 102.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-03 02:53:27,435 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1157.25 ms. Allocated memory was 136.8 MB in the beginning and 198.7 MB in the end (delta: 61.9 MB). Free memory was 81.5 MB in the beginning and 129.8 MB in the end (delta: -48.2 MB). Peak memory consumption was 30.2 MB. Max. memory is 7.1 GB. [2019-10-03 02:53:27,437 INFO L168 Benchmark]: Boogie Preprocessor took 167.03 ms. Allocated memory is still 198.7 MB. Free memory was 129.8 MB in the beginning and 120.7 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. [2019-10-03 02:53:27,445 INFO L168 Benchmark]: RCFGBuilder took 2270.20 ms. Allocated memory was 198.7 MB in the beginning and 276.3 MB in the end (delta: 77.6 MB). Free memory was 120.7 MB in the beginning and 173.5 MB in the end (delta: -52.8 MB). Peak memory consumption was 83.8 MB. Max. memory is 7.1 GB. [2019-10-03 02:53:27,446 INFO L168 Benchmark]: TraceAbstraction took 14327.37 ms. Allocated memory was 276.3 MB in the beginning and 532.2 MB in the end (delta: 255.9 MB). Free memory was 173.5 MB in the beginning and 132.1 MB in the end (delta: 41.4 MB). Peak memory consumption was 297.3 MB. Max. memory is 7.1 GB. [2019-10-03 02:53:27,458 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 136.8 MB. Free memory was 102.9 MB in the beginning and 102.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1157.25 ms. Allocated memory was 136.8 MB in the beginning and 198.7 MB in the end (delta: 61.9 MB). Free memory was 81.5 MB in the beginning and 129.8 MB in the end (delta: -48.2 MB). Peak memory consumption was 30.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 167.03 ms. Allocated memory is still 198.7 MB. Free memory was 129.8 MB in the beginning and 120.7 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2270.20 ms. Allocated memory was 198.7 MB in the beginning and 276.3 MB in the end (delta: 77.6 MB). Free memory was 120.7 MB in the beginning and 173.5 MB in the end (delta: -52.8 MB). Peak memory consumption was 83.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 14327.37 ms. Allocated memory was 276.3 MB in the beginning and 532.2 MB in the end (delta: 255.9 MB). Free memory was 173.5 MB in the beginning and 132.1 MB in the end (delta: 41.4 MB). Peak memory consumption was 297.3 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 117 procedures, 798 locations, 1 error locations. SAFE Result, 14.2s OverallTime, 10 OverallIterations, 3 TraceHistogramMax, 8.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 7569 SDtfs, 3207 SDslu, 36727 SDs, 0 SdLazy, 5083 SolverSat, 599 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 675 GetRequests, 569 SyntacticMatches, 2 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 162 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3559occurred 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, 2.1837837837837837 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 10 MinimizatonAttempts, 49 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.3s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 1930 NumberOfCodeBlocks, 1821 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 2103 ConstructedInterpolants, 0 QuantifiedInterpolants, 537940 SizeOfPredicates, 5 NumberOfNonLiveVariables, 2158 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...