java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/product-lines/email_spec3_product27.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 02:52:41,808 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 02:52:41,810 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 02:52:41,828 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 02:52:41,828 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 02:52:41,829 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 02:52:41,830 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 02:52:41,832 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 02:52:41,834 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 02:52:41,835 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 02:52:41,836 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 02:52:41,837 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 02:52:41,837 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 02:52:41,838 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 02:52:41,839 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 02:52:41,840 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 02:52:41,843 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 02:52:41,845 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 02:52:41,847 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 02:52:41,849 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 02:52:41,850 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 02:52:41,851 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 02:52:41,853 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 02:52:41,853 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 02:52:41,855 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 02:52:41,856 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 02:52:41,856 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 02:52:41,857 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 02:52:41,857 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 02:52:41,858 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 02:52:41,858 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 02:52:41,859 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 02:52:41,860 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 02:52:41,861 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 02:52:41,862 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 02:52:41,862 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 02:52:41,863 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 02:52:41,863 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 02:52:41,863 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 02:52:41,864 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 02:52:41,864 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 02:52:41,865 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-10-03 02:52:41,880 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 02:52:41,880 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 02:52:41,881 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 02:52:41,881 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 02:52:41,882 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 02:52:41,882 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 02:52:41,882 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 02:52:41,882 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 02:52:41,882 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 02:52:41,883 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 02:52:41,884 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 02:52:41,885 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 02:52:41,885 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 02:52:41,885 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 02:52:41,885 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 02:52:41,885 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 02:52:41,886 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 02:52:41,886 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 02:52:41,886 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 02:52:41,889 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 02:52:41,889 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 02:52:41,889 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 02:52:41,889 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 02:52:41,890 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 02:52:41,890 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 02:52:41,890 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 02:52:41,890 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 02:52:41,890 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 02:52:41,891 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 02:52:41,891 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 02:52:41,918 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 02:52:41,931 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 02:52:41,935 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 02:52:41,936 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 02:52:41,936 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 02:52:41,937 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec3_product27.cil.c [2019-10-03 02:52:41,998 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b79a59f68/5320d8aa7a754077a61f09ba249f60d3/FLAG73accb293 [2019-10-03 02:52:42,586 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 02:52:42,587 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec3_product27.cil.c [2019-10-03 02:52:42,618 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b79a59f68/5320d8aa7a754077a61f09ba249f60d3/FLAG73accb293 [2019-10-03 02:52:42,837 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b79a59f68/5320d8aa7a754077a61f09ba249f60d3 [2019-10-03 02:52:42,847 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 02:52:42,848 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 02:52:42,849 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 02:52:42,850 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 02:52:42,853 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 02:52:42,855 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:52:42" (1/1) ... [2019-10-03 02:52:42,858 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73fee35b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:42, skipping insertion in model container [2019-10-03 02:52:42,858 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:52:42" (1/1) ... [2019-10-03 02:52:42,867 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 02:52:42,963 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 02:52:43,785 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:52:43,802 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 02:52:43,932 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:52:44,052 INFO L192 MainTranslator]: Completed translation [2019-10-03 02:52:44,053 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:44 WrapperNode [2019-10-03 02:52:44,053 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 02:52:44,054 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 02:52:44,054 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 02:52:44,055 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 02:52:44,071 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:44" (1/1) ... [2019-10-03 02:52:44,074 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:44" (1/1) ... [2019-10-03 02:52:44,138 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:44" (1/1) ... [2019-10-03 02:52:44,138 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:44" (1/1) ... [2019-10-03 02:52:44,196 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:44" (1/1) ... [2019-10-03 02:52:44,230 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:44" (1/1) ... [2019-10-03 02:52:44,245 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:44" (1/1) ... [2019-10-03 02:52:44,264 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 02:52:44,265 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 02:52:44,265 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 02:52:44,265 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 02:52:44,266 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:44" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 02:52:44,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 02:52:44,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 02:52:44,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-03 02:52:44,384 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2019-10-03 02:52:44,384 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2019-10-03 02:52:44,384 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-03 02:52:44,384 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-03 02:52:44,385 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-03 02:52:44,386 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-03 02:52:44,386 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-03 02:52:44,386 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-03 02:52:44,387 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-03 02:52:44,387 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-03 02:52:44,388 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-03 02:52:44,388 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-03 02:52:44,390 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-03 02:52:44,390 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignVerify_spec__1 [2019-10-03 02:52:44,390 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignVerify_spec__2 [2019-10-03 02:52:44,390 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-03 02:52:44,391 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-03 02:52:44,391 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-03 02:52:44,391 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-03 02:52:44,391 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-03 02:52:44,392 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-03 02:52:44,393 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-03 02:52:44,393 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-03 02:52:44,394 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-03 02:52:44,394 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-03 02:52:44,394 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-03 02:52:44,394 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-03 02:52:44,394 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-03 02:52:44,394 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-03 02:52:44,395 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-03 02:52:44,395 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-03 02:52:44,395 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-03 02:52:44,395 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-03 02:52:44,395 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-03 02:52:44,395 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-03 02:52:44,396 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-03 02:52:44,396 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-03 02:52:44,396 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-03 02:52:44,396 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-03 02:52:44,396 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-03 02:52:44,396 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-03 02:52:44,396 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-10-03 02:52:44,397 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2019-10-03 02:52:44,397 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-03 02:52:44,398 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-03 02:52:44,398 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Keys [2019-10-03 02:52:44,398 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-03 02:52:44,398 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-10-03 02:52:44,398 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-03 02:52:44,398 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-03 02:52:44,399 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-03 02:52:44,399 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-03 02:52:44,399 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-03 02:52:44,400 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-03 02:52:44,400 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-03 02:52:44,400 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-03 02:52:44,400 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-03 02:52:44,400 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-03 02:52:44,400 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-03 02:52:44,400 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-03 02:52:44,401 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-03 02:52:44,401 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-03 02:52:44,401 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-03 02:52:44,401 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-03 02:52:44,402 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-03 02:52:44,402 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-03 02:52:44,402 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-03 02:52:44,402 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-03 02:52:44,402 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-03 02:52:44,402 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-03 02:52:44,403 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-03 02:52:44,403 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 02:52:44,404 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-03 02:52:44,404 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-03 02:52:44,404 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-03 02:52:44,404 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-03 02:52:44,405 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-03 02:52:44,405 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-03 02:52:44,405 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-03 02:52:44,405 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-03 02:52:44,405 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-03 02:52:44,406 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-03 02:52:44,407 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-03 02:52:44,407 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-03 02:52:44,408 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-03 02:52:44,408 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-03 02:52:44,408 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-03 02:52:44,408 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-03 02:52:44,408 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-03 02:52:44,408 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-03 02:52:44,409 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-03 02:52:44,409 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-03 02:52:44,409 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-03 02:52:44,409 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-03 02:52:44,410 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-03 02:52:44,410 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-03 02:52:44,410 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-03 02:52:44,410 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-03 02:52:44,410 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-03 02:52:44,411 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-03 02:52:44,411 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-03 02:52:44,411 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-03 02:52:44,411 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-03 02:52:44,411 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-03 02:52:44,412 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-03 02:52:44,412 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-03 02:52:44,412 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-03 02:52:44,412 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-03 02:52:44,412 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-03 02:52:44,413 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-03 02:52:44,413 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-03 02:52:44,413 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-03 02:52:44,414 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-03 02:52:44,414 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-03 02:52:44,415 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-03 02:52:44,415 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 02:52:44,416 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 02:52:44,416 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-03 02:52:44,416 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-03 02:52:44,416 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-03 02:52:44,418 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-03 02:52:44,418 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-03 02:52:44,418 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-03 02:52:44,418 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-03 02:52:44,419 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-03 02:52:44,419 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-03 02:52:44,419 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-03 02:52:44,420 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-03 02:52:44,420 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-03 02:52:44,420 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-03 02:52:44,420 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2019-10-03 02:52:44,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-03 02:52:44,421 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2019-10-03 02:52:44,421 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-03 02:52:44,421 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-03 02:52:44,422 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-03 02:52:44,426 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-03 02:52:44,427 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-03 02:52:44,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-03 02:52:44,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-03 02:52:44,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-03 02:52:44,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-03 02:52:44,437 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-03 02:52:44,437 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-03 02:52:44,437 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-03 02:52:44,438 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-03 02:52:44,438 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-03 02:52:44,438 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-03 02:52:44,438 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-03 02:52:44,439 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-03 02:52:44,440 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-03 02:52:44,440 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-03 02:52:44,440 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-03 02:52:44,440 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-03 02:52:44,440 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignVerify_spec__1 [2019-10-03 02:52:44,441 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignVerify_spec__2 [2019-10-03 02:52:44,441 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-03 02:52:44,441 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-03 02:52:44,441 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-03 02:52:44,441 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-03 02:52:44,441 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-03 02:52:44,442 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-03 02:52:44,442 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-03 02:52:44,442 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-03 02:52:44,442 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-03 02:52:44,442 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-03 02:52:44,442 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-03 02:52:44,443 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-03 02:52:44,443 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-03 02:52:44,443 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-03 02:52:44,443 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-03 02:52:44,443 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-03 02:52:44,443 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-03 02:52:44,444 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-03 02:52:44,444 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-03 02:52:44,444 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-03 02:52:44,444 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-03 02:52:44,444 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-03 02:52:44,444 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-03 02:52:44,445 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-03 02:52:44,445 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-03 02:52:44,445 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-03 02:52:44,445 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-03 02:52:44,445 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-03 02:52:44,445 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-03 02:52:44,446 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-03 02:52:44,446 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-03 02:52:44,446 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-03 02:52:44,446 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-03 02:52:44,446 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-03 02:52:44,446 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-03 02:52:44,447 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-03 02:52:44,447 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-03 02:52:44,447 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-03 02:52:44,447 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-03 02:52:44,447 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-03 02:52:44,447 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-03 02:52:44,448 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-10-03 02:52:44,448 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2019-10-03 02:52:44,448 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Keys [2019-10-03 02:52:44,448 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-03 02:52:44,448 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-10-03 02:52:44,448 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-03 02:52:44,449 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-03 02:52:44,449 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-03 02:52:44,449 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-03 02:52:44,449 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-03 02:52:44,449 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-03 02:52:44,449 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-03 02:52:44,449 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-03 02:52:44,450 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-03 02:52:44,450 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-03 02:52:44,450 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-03 02:52:44,450 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-03 02:52:44,450 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-03 02:52:44,450 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-03 02:52:44,451 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-03 02:52:44,451 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-03 02:52:44,451 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-03 02:52:44,451 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-03 02:52:44,451 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 02:52:44,451 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-03 02:52:44,452 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-03 02:52:44,452 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-03 02:52:44,452 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-03 02:52:44,452 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-03 02:52:44,452 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-03 02:52:44,452 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-03 02:52:44,452 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-03 02:52:44,453 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-03 02:52:44,453 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-03 02:52:44,453 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-03 02:52:44,453 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-03 02:52:44,453 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-03 02:52:44,453 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-03 02:52:44,454 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-03 02:52:44,454 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-03 02:52:44,454 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-03 02:52:44,454 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-03 02:52:44,454 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-03 02:52:44,454 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-03 02:52:44,455 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-03 02:52:44,455 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-03 02:52:44,455 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-03 02:52:44,455 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-03 02:52:44,455 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 02:52:44,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-03 02:52:44,455 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 02:52:46,787 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 02:52:46,788 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-03 02:52:46,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:52:46 BoogieIcfgContainer [2019-10-03 02:52:46,790 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 02:52:46,792 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-03 02:52:46,792 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-03 02:52:46,795 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-03 02:52:46,795 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.10 02:52:42" (1/3) ... [2019-10-03 02:52:46,796 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@624dacd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:52:46, skipping insertion in model container [2019-10-03 02:52:46,796 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:44" (2/3) ... [2019-10-03 02:52:46,797 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@624dacd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:52:46, skipping insertion in model container [2019-10-03 02:52:46,798 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:52:46" (3/3) ... [2019-10-03 02:52:46,799 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec3_product27.cil.c [2019-10-03 02:52:46,810 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-03 02:52:46,825 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-03 02:52:46,849 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-03 02:52:46,884 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-03 02:52:46,884 INFO L378 AbstractCegarLoop]: Hoare is false [2019-10-03 02:52:46,885 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-03 02:52:46,885 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-03 02:52:46,889 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-03 02:52:46,889 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-03 02:52:46,889 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-03 02:52:46,890 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-03 02:52:46,930 INFO L276 IsEmpty]: Start isEmpty. Operand 631 states. [2019-10-03 02:52:46,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2019-10-03 02:52:46,974 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:52:46,976 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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 02:52:46,981 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:52:46,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:52:46,988 INFO L82 PathProgramCache]: Analyzing trace with hash 1666435030, now seen corresponding path program 1 times [2019-10-03 02:52:46,991 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:52:47,054 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:47,054 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:52:47,054 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:47,054 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:52:47,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:52:47,676 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-03 02:52:47,678 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:52:47,678 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-03 02:52:47,678 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:52:47,685 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:52:47,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:52:47,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:52:47,704 INFO L87 Difference]: Start difference. First operand 631 states. Second operand 2 states. [2019-10-03 02:52:47,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:52:47,795 INFO L93 Difference]: Finished difference Result 611 states and 827 transitions. [2019-10-03 02:52:47,795 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:52:47,797 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 179 [2019-10-03 02:52:47,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:52:47,831 INFO L225 Difference]: With dead ends: 611 [2019-10-03 02:52:47,831 INFO L226 Difference]: Without dead ends: 602 [2019-10-03 02:52:47,833 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 02:52:47,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 602 states. [2019-10-03 02:52:47,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 602 to 602. [2019-10-03 02:52:47,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 602 states. [2019-10-03 02:52:47,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 816 transitions. [2019-10-03 02:52:47,940 INFO L78 Accepts]: Start accepts. Automaton has 602 states and 816 transitions. Word has length 179 [2019-10-03 02:52:47,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:52:47,943 INFO L475 AbstractCegarLoop]: Abstraction has 602 states and 816 transitions. [2019-10-03 02:52:47,943 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:52:47,943 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 816 transitions. [2019-10-03 02:52:47,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2019-10-03 02:52:47,955 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:52:47,956 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:52:47,959 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:52:47,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:52:47,961 INFO L82 PathProgramCache]: Analyzing trace with hash 1122498688, now seen corresponding path program 1 times [2019-10-03 02:52:47,961 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:52:47,967 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:47,967 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:52:47,968 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:47,968 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:52:48,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:52:48,277 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-03 02:52:48,278 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:52:48,278 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:52:48,278 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:52:48,283 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:52:48,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:52:48,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:52:48,285 INFO L87 Difference]: Start difference. First operand 602 states and 816 transitions. Second operand 3 states. [2019-10-03 02:52:48,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:52:48,356 INFO L93 Difference]: Finished difference Result 605 states and 819 transitions. [2019-10-03 02:52:48,356 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:52:48,357 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 180 [2019-10-03 02:52:48,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:52:48,366 INFO L225 Difference]: With dead ends: 605 [2019-10-03 02:52:48,366 INFO L226 Difference]: Without dead ends: 605 [2019-10-03 02:52:48,367 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 02:52:48,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 605 states. [2019-10-03 02:52:48,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 605 to 604. [2019-10-03 02:52:48,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 604 states. [2019-10-03 02:52:48,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 604 states and 818 transitions. [2019-10-03 02:52:48,422 INFO L78 Accepts]: Start accepts. Automaton has 604 states and 818 transitions. Word has length 180 [2019-10-03 02:52:48,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:52:48,424 INFO L475 AbstractCegarLoop]: Abstraction has 604 states and 818 transitions. [2019-10-03 02:52:48,425 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:52:48,425 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 818 transitions. [2019-10-03 02:52:48,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2019-10-03 02:52:48,433 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:52:48,434 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:52:48,435 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:52:48,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:52:48,435 INFO L82 PathProgramCache]: Analyzing trace with hash -1965541329, now seen corresponding path program 1 times [2019-10-03 02:52:48,436 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:52:48,440 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:48,440 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:52:48,440 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:48,440 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:52:48,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:52:48,761 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-03 02:52:48,762 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:52:48,762 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:52:48,762 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:52:48,764 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:52:48,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:52:48,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:52:48,767 INFO L87 Difference]: Start difference. First operand 604 states and 818 transitions. Second operand 3 states. [2019-10-03 02:52:48,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:52:48,808 INFO L93 Difference]: Finished difference Result 649 states and 894 transitions. [2019-10-03 02:52:48,808 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:52:48,808 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 192 [2019-10-03 02:52:48,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:52:48,813 INFO L225 Difference]: With dead ends: 649 [2019-10-03 02:52:48,813 INFO L226 Difference]: Without dead ends: 649 [2019-10-03 02:52:48,814 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 02:52:48,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 649 states. [2019-10-03 02:52:48,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 649 to 648. [2019-10-03 02:52:48,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 648 states. [2019-10-03 02:52:48,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 648 states and 893 transitions. [2019-10-03 02:52:48,840 INFO L78 Accepts]: Start accepts. Automaton has 648 states and 893 transitions. Word has length 192 [2019-10-03 02:52:48,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:52:48,840 INFO L475 AbstractCegarLoop]: Abstraction has 648 states and 893 transitions. [2019-10-03 02:52:48,840 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:52:48,841 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 893 transitions. [2019-10-03 02:52:48,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2019-10-03 02:52:48,845 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:52:48,845 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:52:48,846 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:52:48,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:52:48,846 INFO L82 PathProgramCache]: Analyzing trace with hash 1219929251, now seen corresponding path program 1 times [2019-10-03 02:52:48,846 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:52:48,850 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:48,851 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:52:48,851 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:48,851 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:52:48,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:52:48,984 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-03 02:52:48,985 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:52:48,985 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:52:48,985 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:52:48,985 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:52:48,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:52:48,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:52:48,986 INFO L87 Difference]: Start difference. First operand 648 states and 893 transitions. Second operand 3 states. [2019-10-03 02:52:49,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:52:49,010 INFO L93 Difference]: Finished difference Result 734 states and 1038 transitions. [2019-10-03 02:52:49,010 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:52:49,011 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 193 [2019-10-03 02:52:49,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:52:49,016 INFO L225 Difference]: With dead ends: 734 [2019-10-03 02:52:49,016 INFO L226 Difference]: Without dead ends: 734 [2019-10-03 02:52:49,016 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 02:52:49,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 734 states. [2019-10-03 02:52:49,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 734 to 733. [2019-10-03 02:52:49,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 733 states. [2019-10-03 02:52:49,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 733 states and 1037 transitions. [2019-10-03 02:52:49,042 INFO L78 Accepts]: Start accepts. Automaton has 733 states and 1037 transitions. Word has length 193 [2019-10-03 02:52:49,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:52:49,043 INFO L475 AbstractCegarLoop]: Abstraction has 733 states and 1037 transitions. [2019-10-03 02:52:49,043 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:52:49,043 INFO L276 IsEmpty]: Start isEmpty. Operand 733 states and 1037 transitions. [2019-10-03 02:52:49,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2019-10-03 02:52:49,047 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:52:49,048 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:52:49,048 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:52:49,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:52:49,048 INFO L82 PathProgramCache]: Analyzing trace with hash -1851782167, now seen corresponding path program 1 times [2019-10-03 02:52:49,049 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:52:49,052 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:49,053 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:52:49,053 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:49,053 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:52:49,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:52:49,460 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-10-03 02:52:49,461 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:52:49,461 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-10-03 02:52:49,461 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:52:49,462 INFO L454 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-03 02:52:49,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-03 02:52:49,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2019-10-03 02:52:49,463 INFO L87 Difference]: Start difference. First operand 733 states and 1037 transitions. Second operand 12 states. [2019-10-03 02:53:04,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:53:04,167 INFO L93 Difference]: Finished difference Result 3094 states and 4243 transitions. [2019-10-03 02:53:04,169 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2019-10-03 02:53:04,169 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 196 [2019-10-03 02:53:04,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:53:04,190 INFO L225 Difference]: With dead ends: 3094 [2019-10-03 02:53:04,191 INFO L226 Difference]: Without dead ends: 3082 [2019-10-03 02:53:04,192 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 539 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=377, Invalid=1515, Unknown=0, NotChecked=0, Total=1892 [2019-10-03 02:53:04,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3082 states. [2019-10-03 02:53:04,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3082 to 3057. [2019-10-03 02:53:04,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3057 states. [2019-10-03 02:53:04,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3057 states to 3057 states and 4147 transitions. [2019-10-03 02:53:04,316 INFO L78 Accepts]: Start accepts. Automaton has 3057 states and 4147 transitions. Word has length 196 [2019-10-03 02:53:04,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:53:04,317 INFO L475 AbstractCegarLoop]: Abstraction has 3057 states and 4147 transitions. [2019-10-03 02:53:04,317 INFO L476 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-10-03 02:53:04,318 INFO L276 IsEmpty]: Start isEmpty. Operand 3057 states and 4147 transitions. [2019-10-03 02:53:04,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2019-10-03 02:53:04,323 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:53:04,323 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:53:04,323 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:53:04,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:53:04,324 INFO L82 PathProgramCache]: Analyzing trace with hash -1899215644, now seen corresponding path program 1 times [2019-10-03 02:53:04,324 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:53:04,330 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:04,331 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:53:04,331 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:04,331 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:53:04,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:53:04,741 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-10-03 02:53:04,742 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:53:04,742 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2019-10-03 02:53:04,742 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:53:04,743 INFO L454 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-10-03 02:53:04,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-10-03 02:53:04,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2019-10-03 02:53:04,744 INFO L87 Difference]: Start difference. First operand 3057 states and 4147 transitions. Second operand 18 states. [2019-10-03 02:53:05,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:53:05,199 INFO L93 Difference]: Finished difference Result 2853 states and 3903 transitions. [2019-10-03 02:53:05,201 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-10-03 02:53:05,202 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 197 [2019-10-03 02:53:05,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:53:05,223 INFO L225 Difference]: With dead ends: 2853 [2019-10-03 02:53:05,223 INFO L226 Difference]: Without dead ends: 2823 [2019-10-03 02:53:05,224 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 02:53:05,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2823 states. [2019-10-03 02:53:05,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2823 to 2821. [2019-10-03 02:53:05,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2821 states. [2019-10-03 02:53:05,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2821 states to 2821 states and 3828 transitions. [2019-10-03 02:53:05,330 INFO L78 Accepts]: Start accepts. Automaton has 2821 states and 3828 transitions. Word has length 197 [2019-10-03 02:53:05,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:53:05,331 INFO L475 AbstractCegarLoop]: Abstraction has 2821 states and 3828 transitions. [2019-10-03 02:53:05,331 INFO L476 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-10-03 02:53:05,331 INFO L276 IsEmpty]: Start isEmpty. Operand 2821 states and 3828 transitions. [2019-10-03 02:53:05,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2019-10-03 02:53:05,336 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:53:05,336 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:53:05,337 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:53:05,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:53:05,337 INFO L82 PathProgramCache]: Analyzing trace with hash 1034670512, now seen corresponding path program 1 times [2019-10-03 02:53:05,337 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:53:05,343 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:05,343 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:53:05,343 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:05,343 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:53:05,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:53:07,736 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-10-03 02:53:07,736 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-03 02:53:07,736 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-10-03 02:53:07,737 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 207 with the following transitions: [2019-10-03 02:53:07,739 INFO L207 CegarAbsIntRunner]: [82], [85], [94], [95], [98], [108], [119], [122], [132], [133], [162], [165], [166], [167], [169], [279], [282], [283], [284], [287], [293], [327], [329], [333], [336], [345], [358], [360], [361], [364], [374], [403], [442], [631], [633], [634], [635], [643], [646], [652], [673], [676], [690], [719], [722], [728], [729], [730], [731], [733], [735], [748], [750], [754], [757], [781], [785], [788], [796], [799], [827], [833], [842], [846], [848], [850], [853], [860], [867], [870], [872], [1010], [1012], [1029], [1033], [1036], [1050], [1158], [1160], [1161], [1162], [1165], [1167], [1169], [1172], [1191], [1245], [1267], [1278], [1281], [1282], [1285], [1288], [1319], [1322], [1324], [1437], [1440], [1454], [1460], [1463], [1472], [1488], [1491], [1500], [1666], [1668], [1670], [1672], [1673], [1714], [1724], [1725], [1726], [1727], [1728], [1729], [1732], [1733], [1734], [1735], [1748], [1749], [1750], [1751], [1752], [1758], [1759], [1764], [1780], [1781], [1802], [1803], [1818], [1819], [1820], [1821], [1822], [1824], [1825], [1826], [1827], [1828], [1829], [1830], [1831], [1832], [1833], [1834], [1835], [1836], [1837], [1838], [1840], [1841], [1842], [1843], [1856], [1864], [1865], [1884], [1886], [1887], [1904], [1906], [1907], [1908], [1909], [1910], [1911], [1912], [1920], [1921], [1922], [1924], [1925], [1926], [1927], [1928], [1929], [1930], [1950], [1951], [1952], [1953], [1954], [1955], [1956], [1957], [1958] [2019-10-03 02:53:07,782 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-03 02:53:07,782 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-03 02:53:07,897 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-03 02:53:07,899 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 209 root evaluator evaluations with a maximum evaluation depth of 0. Performed 209 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 390 variables. [2019-10-03 02:53:07,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:53:07,904 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-03 02:53:07,997 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-03 02:53:07,997 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-10-03 02:53:08,004 INFO L420 sIntCurrentIteration]: We unified 205 AI predicates to 205 [2019-10-03 02:53:08,004 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-03 02:53:08,005 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-03 02:53:08,006 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [55] total 55 [2019-10-03 02:53:08,006 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:53:08,006 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:53:08,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:53:08,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:53:08,007 INFO L87 Difference]: Start difference. First operand 2821 states and 3828 transitions. Second operand 2 states. [2019-10-03 02:53:08,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:53:08,008 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-10-03 02:53:08,008 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:53:08,008 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 206 [2019-10-03 02:53:08,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:53:08,008 INFO L225 Difference]: With dead ends: 2 [2019-10-03 02:53:08,009 INFO L226 Difference]: Without dead ends: 0 [2019-10-03 02:53:08,009 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 205 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 02:53:08,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-03 02:53:08,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-03 02:53:08,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-03 02:53:08,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-03 02:53:08,010 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 206 [2019-10-03 02:53:08,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:53:08,010 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-03 02:53:08,010 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:53:08,010 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-03 02:53:08,011 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-03 02:53:08,019 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.10 02:53:08 BoogieIcfgContainer [2019-10-03 02:53:08,019 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-03 02:53:08,022 INFO L168 Benchmark]: Toolchain (without parser) took 25172.88 ms. Allocated memory was 133.2 MB in the beginning and 611.8 MB in the end (delta: 478.7 MB). Free memory was 86.7 MB in the beginning and 247.3 MB in the end (delta: -160.6 MB). Peak memory consumption was 318.0 MB. Max. memory is 7.1 GB. [2019-10-03 02:53:08,023 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 133.2 MB. Free memory was 107.5 MB in the beginning and 107.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-03 02:53:08,024 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1204.60 ms. Allocated memory was 133.2 MB in the beginning and 201.9 MB in the end (delta: 68.7 MB). Free memory was 86.2 MB in the beginning and 126.3 MB in the end (delta: -40.1 MB). Peak memory consumption was 33.8 MB. Max. memory is 7.1 GB. [2019-10-03 02:53:08,025 INFO L168 Benchmark]: Boogie Preprocessor took 210.14 ms. Allocated memory is still 201.9 MB. Free memory was 126.3 MB in the beginning and 117.5 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 7.1 GB. [2019-10-03 02:53:08,025 INFO L168 Benchmark]: RCFGBuilder took 2525.62 ms. Allocated memory was 201.9 MB in the beginning and 265.8 MB in the end (delta: 64.0 MB). Free memory was 116.9 MB in the beginning and 134.6 MB in the end (delta: -17.7 MB). Peak memory consumption was 76.3 MB. Max. memory is 7.1 GB. [2019-10-03 02:53:08,026 INFO L168 Benchmark]: TraceAbstraction took 21227.66 ms. Allocated memory was 265.8 MB in the beginning and 611.8 MB in the end (delta: 346.0 MB). Free memory was 134.6 MB in the beginning and 247.3 MB in the end (delta: -112.7 MB). Peak memory consumption was 233.3 MB. Max. memory is 7.1 GB. [2019-10-03 02:53:08,030 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 133.2 MB. Free memory was 107.5 MB in the beginning and 107.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1204.60 ms. Allocated memory was 133.2 MB in the beginning and 201.9 MB in the end (delta: 68.7 MB). Free memory was 86.2 MB in the beginning and 126.3 MB in the end (delta: -40.1 MB). Peak memory consumption was 33.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 210.14 ms. Allocated memory is still 201.9 MB. Free memory was 126.3 MB in the beginning and 117.5 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2525.62 ms. Allocated memory was 201.9 MB in the beginning and 265.8 MB in the end (delta: 64.0 MB). Free memory was 116.9 MB in the beginning and 134.6 MB in the end (delta: -17.7 MB). Peak memory consumption was 76.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 21227.66 ms. Allocated memory was 265.8 MB in the beginning and 611.8 MB in the end (delta: 346.0 MB). Free memory was 134.6 MB in the beginning and 247.3 MB in the end (delta: -112.7 MB). Peak memory consumption was 233.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1973]: 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 118 procedures, 810 locations, 1 error locations. SAFE Result, 21.1s OverallTime, 7 OverallIterations, 3 TraceHistogramMax, 15.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 5391 SDtfs, 4250 SDslu, 16528 SDs, 0 SdLazy, 12151 SolverSat, 2697 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 299 GetRequests, 231 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 560 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3057occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.1s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 2.2390243902439027 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 7 MinimizatonAttempts, 30 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 1343 NumberOfCodeBlocks, 1343 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1336 ConstructedInterpolants, 0 QuantifiedInterpolants, 514660 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 199/202 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...