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_spec9_product16.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 02:56:01,833 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 02:56:01,835 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 02:56:01,847 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 02:56:01,848 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 02:56:01,849 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 02:56:01,850 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 02:56:01,852 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 02:56:01,854 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 02:56:01,855 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 02:56:01,856 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 02:56:01,858 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 02:56:01,858 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 02:56:01,859 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 02:56:01,860 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 02:56:01,862 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 02:56:01,863 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 02:56:01,864 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 02:56:01,865 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 02:56:01,867 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 02:56:01,869 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 02:56:01,870 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 02:56:01,871 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 02:56:01,872 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 02:56:01,875 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 02:56:01,875 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 02:56:01,875 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 02:56:01,876 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 02:56:01,877 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 02:56:01,878 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 02:56:01,878 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 02:56:01,879 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 02:56:01,882 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 02:56:01,883 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 02:56:01,884 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 02:56:01,884 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 02:56:01,885 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 02:56:01,888 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 02:56:01,888 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 02:56:01,889 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 02:56:01,890 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 02:56:01,891 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 02:56:01,919 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 02:56:01,920 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 02:56:01,920 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 02:56:01,921 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 02:56:01,922 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 02:56:01,922 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 02:56:01,922 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 02:56:01,922 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 02:56:01,923 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 02:56:01,923 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 02:56:01,925 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 02:56:01,926 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 02:56:01,926 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 02:56:01,926 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 02:56:01,927 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 02:56:01,927 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 02:56:01,927 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 02:56:01,927 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 02:56:01,927 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 02:56:01,928 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 02:56:01,928 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 02:56:01,928 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 02:56:01,929 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 02:56:01,929 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 02:56:01,929 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 02:56:01,929 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 02:56:01,930 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 02:56:01,930 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 02:56:01,930 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 02:56:01,930 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 02:56:01,973 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 02:56:01,986 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 02:56:01,989 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 02:56:01,991 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 02:56:01,991 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 02:56:01,992 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec9_product16.cil.c [2019-10-03 02:56:02,057 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/644fe55d0/d0da2577246c4489bb6401ed921f6f49/FLAG3b71bd0ea [2019-10-03 02:56:02,700 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 02:56:02,701 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec9_product16.cil.c [2019-10-03 02:56:02,732 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/644fe55d0/d0da2577246c4489bb6401ed921f6f49/FLAG3b71bd0ea [2019-10-03 02:56:02,927 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/644fe55d0/d0da2577246c4489bb6401ed921f6f49 [2019-10-03 02:56:02,936 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 02:56:02,938 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 02:56:02,939 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 02:56:02,939 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 02:56:02,942 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 02:56:02,943 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:56:02" (1/1) ... [2019-10-03 02:56:02,949 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bda3564 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:56:02, skipping insertion in model container [2019-10-03 02:56:02,950 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:56:02" (1/1) ... [2019-10-03 02:56:02,957 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 02:56:03,033 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 02:56:03,837 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:56:03,861 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 02:56:04,054 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:56:04,176 INFO L192 MainTranslator]: Completed translation [2019-10-03 02:56:04,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:56:04 WrapperNode [2019-10-03 02:56:04,178 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 02:56:04,179 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 02:56:04,180 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 02:56:04,180 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 02:56:04,199 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:56:04" (1/1) ... [2019-10-03 02:56:04,201 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:56:04" (1/1) ... [2019-10-03 02:56:04,255 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:56:04" (1/1) ... [2019-10-03 02:56:04,256 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:56:04" (1/1) ... [2019-10-03 02:56:04,316 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:56:04" (1/1) ... [2019-10-03 02:56:04,341 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:56:04" (1/1) ... [2019-10-03 02:56:04,358 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:56:04" (1/1) ... [2019-10-03 02:56:04,377 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 02:56:04,377 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 02:56:04,378 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 02:56:04,378 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 02:56:04,382 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:56:04" (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 02:56:04,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 02:56:04,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 02:56:04,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-03 02:56:04,447 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptForward_spec__1 [2019-10-03 02:56:04,447 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptForward_spec__2 [2019-10-03 02:56:04,448 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-03 02:56:04,448 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-03 02:56:04,448 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-03 02:56:04,448 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-03 02:56:04,448 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-03 02:56:04,449 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-03 02:56:04,449 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-03 02:56:04,449 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-03 02:56:04,449 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-03 02:56:04,449 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-03 02:56:04,450 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-03 02:56:04,450 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-03 02:56:04,450 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-03 02:56:04,450 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-03 02:56:04,451 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-03 02:56:04,451 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-03 02:56:04,451 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-03 02:56:04,451 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-03 02:56:04,451 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-03 02:56:04,452 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-03 02:56:04,452 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-03 02:56:04,452 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-03 02:56:04,452 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-03 02:56:04,452 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-03 02:56:04,453 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-03 02:56:04,453 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-03 02:56:04,453 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-03 02:56:04,453 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-03 02:56:04,453 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-03 02:56:04,454 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-03 02:56:04,454 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-03 02:56:04,454 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-03 02:56:04,454 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-03 02:56:04,454 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-03 02:56:04,454 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-03 02:56:04,455 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-03 02:56:04,455 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-03 02:56:04,455 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-03 02:56:04,455 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2019-10-03 02:56:04,455 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-10-03 02:56:04,456 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-03 02:56:04,456 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-03 02:56:04,456 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-03 02:56:04,456 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-03 02:56:04,456 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-03 02:56:04,456 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-03 02:56:04,457 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-03 02:56:04,457 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-03 02:56:04,457 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-03 02:56:04,457 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-03 02:56:04,457 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-03 02:56:04,457 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-03 02:56:04,457 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-03 02:56:04,458 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-03 02:56:04,458 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-03 02:56:04,458 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-03 02:56:04,458 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-03 02:56:04,458 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-03 02:56:04,458 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-03 02:56:04,459 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-03 02:56:04,459 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-03 02:56:04,459 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-03 02:56:04,459 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-03 02:56:04,459 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-03 02:56:04,459 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-03 02:56:04,460 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 02:56:04,460 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-03 02:56:04,460 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-03 02:56:04,460 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-03 02:56:04,460 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-03 02:56:04,460 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-03 02:56:04,460 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-03 02:56:04,461 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-03 02:56:04,461 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-03 02:56:04,461 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-03 02:56:04,461 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-03 02:56:04,461 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-03 02:56:04,461 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-03 02:56:04,462 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-03 02:56:04,462 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-03 02:56:04,462 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-03 02:56:04,462 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-03 02:56:04,462 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-03 02:56:04,462 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-03 02:56:04,463 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-03 02:56:04,463 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-03 02:56:04,463 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-03 02:56:04,463 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-03 02:56:04,463 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-03 02:56:04,463 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-03 02:56:04,463 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-03 02:56:04,464 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-03 02:56:04,464 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-03 02:56:04,464 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-03 02:56:04,464 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-03 02:56:04,464 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-03 02:56:04,464 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-03 02:56:04,464 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-03 02:56:04,465 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-03 02:56:04,465 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-03 02:56:04,465 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-03 02:56:04,465 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-03 02:56:04,465 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-03 02:56:04,465 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-03 02:56:04,466 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-03 02:56:04,466 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 02:56:04,466 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 02:56:04,466 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-03 02:56:04,466 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-03 02:56:04,466 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-03 02:56:04,466 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-03 02:56:04,467 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptForward_spec__1 [2019-10-03 02:56:04,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-03 02:56:04,467 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptForward_spec__2 [2019-10-03 02:56:04,467 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-03 02:56:04,467 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-03 02:56:04,467 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-03 02:56:04,468 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-03 02:56:04,468 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-03 02:56:04,468 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-03 02:56:04,468 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-03 02:56:04,468 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-03 02:56:04,468 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-03 02:56:04,468 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-03 02:56:04,469 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-03 02:56:04,469 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-03 02:56:04,469 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-03 02:56:04,469 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-03 02:56:04,469 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-03 02:56:04,469 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-03 02:56:04,470 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-03 02:56:04,470 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-03 02:56:04,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-03 02:56:04,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-03 02:56:04,470 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-03 02:56:04,470 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-03 02:56:04,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-03 02:56:04,471 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-03 02:56:04,471 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-03 02:56:04,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-03 02:56:04,471 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-03 02:56:04,471 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-03 02:56:04,471 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-03 02:56:04,472 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-03 02:56:04,472 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-03 02:56:04,472 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-03 02:56:04,472 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-03 02:56:04,472 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-03 02:56:04,472 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-03 02:56:04,472 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-03 02:56:04,473 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-03 02:56:04,473 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-03 02:56:04,473 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-03 02:56:04,473 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-03 02:56:04,473 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-03 02:56:04,473 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-03 02:56:04,473 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-03 02:56:04,474 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-03 02:56:04,474 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-03 02:56:04,474 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-03 02:56:04,474 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-03 02:56:04,474 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-03 02:56:04,474 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-03 02:56:04,474 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-03 02:56:04,474 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-03 02:56:04,475 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-03 02:56:04,475 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-03 02:56:04,475 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-03 02:56:04,475 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-03 02:56:04,475 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-03 02:56:04,475 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-03 02:56:04,475 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-03 02:56:04,476 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-03 02:56:04,476 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-03 02:56:04,476 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-03 02:56:04,476 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-03 02:56:04,476 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-03 02:56:04,476 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2019-10-03 02:56:04,476 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-10-03 02:56:04,476 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-03 02:56:04,477 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-03 02:56:04,477 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-03 02:56:04,477 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-03 02:56:04,477 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-03 02:56:04,477 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-03 02:56:04,477 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-03 02:56:04,478 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-03 02:56:04,478 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-03 02:56:04,478 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-03 02:56:04,478 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-03 02:56:04,478 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-03 02:56:04,478 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-03 02:56:04,478 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-03 02:56:04,478 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-03 02:56:04,479 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-03 02:56:04,479 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-03 02:56:04,479 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-03 02:56:04,479 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-03 02:56:04,479 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-03 02:56:04,479 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-03 02:56:04,479 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-03 02:56:04,480 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-03 02:56:04,480 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-03 02:56:04,480 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-03 02:56:04,480 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-03 02:56:04,480 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 02:56:04,480 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-03 02:56:04,480 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-03 02:56:04,481 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-03 02:56:04,481 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-03 02:56:04,481 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-03 02:56:04,481 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-03 02:56:04,481 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-03 02:56:04,481 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-03 02:56:04,481 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-03 02:56:04,482 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-03 02:56:04,482 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-03 02:56:04,482 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-03 02:56:04,482 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-03 02:56:04,482 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-03 02:56:04,482 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-03 02:56:04,482 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-03 02:56:04,482 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-03 02:56:04,483 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-03 02:56:04,483 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-03 02:56:04,483 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-03 02:56:04,483 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-03 02:56:04,483 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 02:56:04,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-03 02:56:04,484 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 02:56:06,802 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 02:56:06,802 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-03 02:56:06,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:56:06 BoogieIcfgContainer [2019-10-03 02:56:06,805 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 02:56:06,806 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-03 02:56:06,806 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-03 02:56:06,809 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-03 02:56:06,810 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.10 02:56:02" (1/3) ... [2019-10-03 02:56:06,811 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38f26114 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:56:06, skipping insertion in model container [2019-10-03 02:56:06,811 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:56:04" (2/3) ... [2019-10-03 02:56:06,811 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38f26114 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:56:06, skipping insertion in model container [2019-10-03 02:56:06,811 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:56:06" (3/3) ... [2019-10-03 02:56:06,813 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec9_product16.cil.c [2019-10-03 02:56:06,824 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-03 02:56:06,834 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-03 02:56:06,853 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-03 02:56:06,882 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-03 02:56:06,882 INFO L378 AbstractCegarLoop]: Hoare is false [2019-10-03 02:56:06,883 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-03 02:56:06,883 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-03 02:56:06,883 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-03 02:56:06,883 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-03 02:56:06,883 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-03 02:56:06,883 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-03 02:56:06,912 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states. [2019-10-03 02:56:06,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2019-10-03 02:56:06,936 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:56:06,937 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] [2019-10-03 02:56:06,940 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:56:06,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:56:06,947 INFO L82 PathProgramCache]: Analyzing trace with hash -985868232, now seen corresponding path program 1 times [2019-10-03 02:56:06,949 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:56:07,016 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:56:07,016 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:56:07,017 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:56:07,017 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:56:07,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:56:07,560 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 02:56:07,562 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:56:07,563 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-03 02:56:07,563 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:56:07,571 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:56:07,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:56:07,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:56:07,589 INFO L87 Difference]: Start difference. First operand 480 states. Second operand 2 states. [2019-10-03 02:56:07,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:56:07,653 INFO L93 Difference]: Finished difference Result 466 states and 616 transitions. [2019-10-03 02:56:07,653 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:56:07,655 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 145 [2019-10-03 02:56:07,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:56:07,683 INFO L225 Difference]: With dead ends: 466 [2019-10-03 02:56:07,683 INFO L226 Difference]: Without dead ends: 457 [2019-10-03 02:56:07,685 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 02:56:07,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2019-10-03 02:56:07,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 457. [2019-10-03 02:56:07,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 457 states. [2019-10-03 02:56:07,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 457 states and 605 transitions. [2019-10-03 02:56:07,794 INFO L78 Accepts]: Start accepts. Automaton has 457 states and 605 transitions. Word has length 145 [2019-10-03 02:56:07,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:56:07,796 INFO L475 AbstractCegarLoop]: Abstraction has 457 states and 605 transitions. [2019-10-03 02:56:07,796 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:56:07,796 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 605 transitions. [2019-10-03 02:56:07,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-10-03 02:56:07,802 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:56:07,803 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] [2019-10-03 02:56:07,803 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:56:07,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:56:07,804 INFO L82 PathProgramCache]: Analyzing trace with hash -1017639439, now seen corresponding path program 1 times [2019-10-03 02:56:07,804 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:56:07,809 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:56:07,809 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:56:07,809 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:56:07,809 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:56:07,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:56:08,035 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 02:56:08,036 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:56:08,036 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:56:08,036 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:56:08,038 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:56:08,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:56:08,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:56:08,039 INFO L87 Difference]: Start difference. First operand 457 states and 605 transitions. Second operand 3 states. [2019-10-03 02:56:08,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:56:08,080 INFO L93 Difference]: Finished difference Result 460 states and 608 transitions. [2019-10-03 02:56:08,081 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:56:08,081 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 146 [2019-10-03 02:56:08,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:56:08,086 INFO L225 Difference]: With dead ends: 460 [2019-10-03 02:56:08,086 INFO L226 Difference]: Without dead ends: 460 [2019-10-03 02:56:08,087 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 02:56:08,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2019-10-03 02:56:08,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 459. [2019-10-03 02:56:08,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 459 states. [2019-10-03 02:56:08,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 607 transitions. [2019-10-03 02:56:08,128 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 607 transitions. Word has length 146 [2019-10-03 02:56:08,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:56:08,129 INFO L475 AbstractCegarLoop]: Abstraction has 459 states and 607 transitions. [2019-10-03 02:56:08,129 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:56:08,130 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 607 transitions. [2019-10-03 02:56:08,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2019-10-03 02:56:08,133 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:56:08,133 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] [2019-10-03 02:56:08,133 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:56:08,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:56:08,134 INFO L82 PathProgramCache]: Analyzing trace with hash -396896995, now seen corresponding path program 1 times [2019-10-03 02:56:08,134 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:56:08,138 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:56:08,138 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:56:08,139 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:56:08,139 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:56:08,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:56:08,287 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-03 02:56:08,288 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:56:08,288 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:56:08,288 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:56:08,289 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:56:08,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:56:08,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:56:08,290 INFO L87 Difference]: Start difference. First operand 459 states and 607 transitions. Second operand 3 states. [2019-10-03 02:56:08,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:56:08,315 INFO L93 Difference]: Finished difference Result 500 states and 677 transitions. [2019-10-03 02:56:08,315 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:56:08,315 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 152 [2019-10-03 02:56:08,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:56:08,320 INFO L225 Difference]: With dead ends: 500 [2019-10-03 02:56:08,320 INFO L226 Difference]: Without dead ends: 500 [2019-10-03 02:56:08,321 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 02:56:08,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 500 states. [2019-10-03 02:56:08,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 500 to 499. [2019-10-03 02:56:08,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 499 states. [2019-10-03 02:56:08,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 499 states and 676 transitions. [2019-10-03 02:56:08,343 INFO L78 Accepts]: Start accepts. Automaton has 499 states and 676 transitions. Word has length 152 [2019-10-03 02:56:08,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:56:08,344 INFO L475 AbstractCegarLoop]: Abstraction has 499 states and 676 transitions. [2019-10-03 02:56:08,344 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:56:08,344 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 676 transitions. [2019-10-03 02:56:08,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2019-10-03 02:56:08,347 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:56:08,347 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] [2019-10-03 02:56:08,347 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:56:08,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:56:08,348 INFO L82 PathProgramCache]: Analyzing trace with hash -346170334, now seen corresponding path program 1 times [2019-10-03 02:56:08,348 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:56:08,353 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:56:08,353 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:56:08,353 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:56:08,353 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:56:08,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:56:08,746 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 02:56:08,747 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:56:08,747 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:56:08,747 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:56:08,750 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:56:08,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:56:08,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:56:08,751 INFO L87 Difference]: Start difference. First operand 499 states and 676 transitions. Second operand 3 states. [2019-10-03 02:56:08,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:56:08,802 INFO L93 Difference]: Finished difference Result 576 states and 783 transitions. [2019-10-03 02:56:08,803 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:56:08,803 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 153 [2019-10-03 02:56:08,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:56:08,814 INFO L225 Difference]: With dead ends: 576 [2019-10-03 02:56:08,814 INFO L226 Difference]: Without dead ends: 565 [2019-10-03 02:56:08,815 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 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 02:56:08,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 565 states. [2019-10-03 02:56:08,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 565 to 565. [2019-10-03 02:56:08,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 565 states. [2019-10-03 02:56:08,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 565 states and 764 transitions. [2019-10-03 02:56:08,861 INFO L78 Accepts]: Start accepts. Automaton has 565 states and 764 transitions. Word has length 153 [2019-10-03 02:56:08,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:56:08,862 INFO L475 AbstractCegarLoop]: Abstraction has 565 states and 764 transitions. [2019-10-03 02:56:08,862 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:56:08,862 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 764 transitions. [2019-10-03 02:56:08,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2019-10-03 02:56:08,875 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:56:08,876 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:56:08,876 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:56:08,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:56:08,877 INFO L82 PathProgramCache]: Analyzing trace with hash -2044334116, now seen corresponding path program 1 times [2019-10-03 02:56:08,877 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:56:08,884 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:56:08,885 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:56:08,885 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:56:08,885 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:56:08,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:56:09,438 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 16 proven. 8 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2019-10-03 02:56:09,439 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-03 02:56:09,439 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-10-03 02:56:09,440 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 261 with the following transitions: [2019-10-03 02:56:09,443 INFO L207 CegarAbsIntRunner]: [29], [30], [44], [47], [54], [56], [85], [88], [98], [123], [126], [131], [133], [135], [152], [155], [156], [157], [159], [269], [271], [274], [275], [278], [279], [280], [283], [289], [290], [291], [313], [315], [316], [319], [328], [349], [351], [352], [355], [365], [366], [367], [582], [584], [585], [586], [587], [589], [590], [591], [594], [596], [601], [605], [607], [645], [648], [662], [701], [703], [705], [707], [708], [709], [743], [747], [750], [758], [761], [772], [775], [785], [786], [789], [814], [817], [820], [829], [833], [835], [837], [840], [847], [854], [857], [1118], [1172], [1174], [1176], [1183], [1186], [1205], [1216], [1219], [1220], [1223], [1226], [1257], [1258], [1260], [1262], [1329], [1332], [1338], [1373], [1376], [1390], [1398], [1401], [1410], [1424], [1425], [1599], [1601], [1603], [1605], [1606], [1618], [1619], [1620], [1621], [1636], [1637], [1638], [1639], [1640], [1641], [1642], [1643], [1644], [1646], [1647], [1648], [1649], [1650], [1651], [1654], [1655], [1656], [1657], [1658], [1659], [1660], [1661], [1662], [1663], [1670], [1671], [1680], [1681], [1706], [1707], [1708], [1709], [1710], [1711], [1712], [1728], [1729], [1730], [1731], [1732], [1733], [1734], [1735], [1736], [1737], [1738], [1739], [1740], [1741], [1742], [1744], [1745], [1746], [1747], [1756], [1757], [1758], [1759], [1770], [1771], [1792], [1794], [1795], [1796], [1797], [1802], [1803], [1804], [1805], [1806], [1807], [1808], [1809], [1810], [1811], [1824], [1825], [1826], [1827], [1828], [1829], [1830], [1831], [1832] [2019-10-03 02:56:09,509 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-03 02:56:09,509 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-03 02:56:09,650 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-03 02:56:09,652 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 202 root evaluator evaluations with a maximum evaluation depth of 0. Performed 202 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 374 variables. [2019-10-03 02:56:09,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:56:09,656 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-03 02:56:09,751 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-03 02:56:09,752 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-10-03 02:56:09,813 INFO L420 sIntCurrentIteration]: We unified 259 AI predicates to 259 [2019-10-03 02:56:09,813 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-03 02:56:09,814 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-03 02:56:09,814 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [22] total 22 [2019-10-03 02:56:09,815 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:56:09,815 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:56:09,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:56:09,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:56:09,816 INFO L87 Difference]: Start difference. First operand 565 states and 764 transitions. Second operand 2 states. [2019-10-03 02:56:09,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:56:09,817 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-10-03 02:56:09,817 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:56:09,817 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 260 [2019-10-03 02:56:09,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:56:09,817 INFO L225 Difference]: With dead ends: 2 [2019-10-03 02:56:09,817 INFO L226 Difference]: Without dead ends: 0 [2019-10-03 02:56:09,818 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 259 GetRequests, 259 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 02:56:09,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-03 02:56:09,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-03 02:56:09,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-03 02:56:09,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-03 02:56:09,819 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 260 [2019-10-03 02:56:09,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:56:09,819 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-03 02:56:09,819 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:56:09,819 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-03 02:56:09,820 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-03 02:56:09,825 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.10 02:56:09 BoogieIcfgContainer [2019-10-03 02:56:09,826 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-03 02:56:09,829 INFO L168 Benchmark]: Toolchain (without parser) took 6890.06 ms. Allocated memory was 132.6 MB in the beginning and 345.0 MB in the end (delta: 212.3 MB). Free memory was 85.3 MB in the beginning and 280.1 MB in the end (delta: -194.8 MB). Peak memory consumption was 17.5 MB. Max. memory is 7.1 GB. [2019-10-03 02:56:09,830 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 132.6 MB. Free memory was 106.9 MB in the beginning and 106.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-03 02:56:09,831 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1240.26 ms. Allocated memory was 132.6 MB in the beginning and 200.3 MB in the end (delta: 67.6 MB). Free memory was 85.1 MB in the beginning and 132.7 MB in the end (delta: -47.7 MB). Peak memory consumption was 33.1 MB. Max. memory is 7.1 GB. [2019-10-03 02:56:09,832 INFO L168 Benchmark]: Boogie Preprocessor took 197.63 ms. Allocated memory is still 200.3 MB. Free memory was 132.7 MB in the beginning and 123.4 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-10-03 02:56:09,833 INFO L168 Benchmark]: RCFGBuilder took 2427.24 ms. Allocated memory was 200.3 MB in the beginning and 266.9 MB in the end (delta: 66.6 MB). Free memory was 123.4 MB in the beginning and 164.7 MB in the end (delta: -41.3 MB). Peak memory consumption was 84.2 MB. Max. memory is 7.1 GB. [2019-10-03 02:56:09,834 INFO L168 Benchmark]: TraceAbstraction took 3020.05 ms. Allocated memory was 266.9 MB in the beginning and 345.0 MB in the end (delta: 78.1 MB). Free memory was 164.7 MB in the beginning and 280.1 MB in the end (delta: -115.4 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-10-03 02:56:09,838 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 132.6 MB. Free memory was 106.9 MB in the beginning and 106.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1240.26 ms. Allocated memory was 132.6 MB in the beginning and 200.3 MB in the end (delta: 67.6 MB). Free memory was 85.1 MB in the beginning and 132.7 MB in the end (delta: -47.7 MB). Peak memory consumption was 33.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 197.63 ms. Allocated memory is still 200.3 MB. Free memory was 132.7 MB in the beginning and 123.4 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2427.24 ms. Allocated memory was 200.3 MB in the beginning and 266.9 MB in the end (delta: 66.6 MB). Free memory was 123.4 MB in the beginning and 164.7 MB in the end (delta: -41.3 MB). Peak memory consumption was 84.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3020.05 ms. Allocated memory was 266.9 MB in the beginning and 345.0 MB in the end (delta: 78.1 MB). Free memory was 164.7 MB in the beginning and 280.1 MB in the end (delta: -115.4 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1536]: 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 110 procedures, 744 locations, 1 error locations. SAFE Result, 2.9s OverallTime, 5 OverallIterations, 3 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2452 SDtfs, 450 SDslu, 1467 SDs, 0 SdLazy, 11 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 277 GetRequests, 274 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=565occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.2s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 1.9343629343629343 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 856 NumberOfCodeBlocks, 856 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 851 ConstructedInterpolants, 0 QuantifiedInterpolants, 211092 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 4 PerfectInterpolantSequences, 187/195 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...