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_spec1_product31.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 02:40:15,140 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 02:40:15,142 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 02:40:15,160 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 02:40:15,161 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 02:40:15,163 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 02:40:15,165 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 02:40:15,179 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 02:40:15,182 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 02:40:15,184 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 02:40:15,186 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 02:40:15,188 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 02:40:15,188 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 02:40:15,193 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 02:40:15,195 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 02:40:15,197 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 02:40:15,199 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 02:40:15,202 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 02:40:15,204 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 02:40:15,211 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 02:40:15,215 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 02:40:15,217 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 02:40:15,220 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 02:40:15,221 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 02:40:15,223 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 02:40:15,224 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 02:40:15,224 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 02:40:15,226 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 02:40:15,227 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 02:40:15,228 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 02:40:15,229 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 02:40:15,230 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 02:40:15,231 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 02:40:15,232 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 02:40:15,235 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 02:40:15,235 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 02:40:15,236 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 02:40:15,236 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 02:40:15,236 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 02:40:15,238 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 02:40:15,238 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 02:40:15,240 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-10 02:40:15,263 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 02:40:15,263 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 02:40:15,264 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 02:40:15,265 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 02:40:15,265 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 02:40:15,265 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 02:40:15,266 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 02:40:15,266 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 02:40:15,266 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 02:40:15,266 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 02:40:15,269 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 02:40:15,269 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 02:40:15,270 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 02:40:15,270 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 02:40:15,270 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 02:40:15,271 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 02:40:15,271 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 02:40:15,271 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 02:40:15,271 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 02:40:15,272 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 02:40:15,272 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 02:40:15,272 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 02:40:15,272 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 02:40:15,273 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 02:40:15,273 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 02:40:15,273 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 02:40:15,274 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 02:40:15,274 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 02:40:15,274 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 02:40:15,274 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 02:40:15,329 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 02:40:15,350 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 02:40:15,356 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 02:40:15,358 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 02:40:15,359 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 02:40:15,360 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec1_product31.cil.c [2019-09-10 02:40:15,435 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f65e85446/a1f2289db35046c3b9dd2878266306f9/FLAG815d44065 [2019-09-10 02:40:16,025 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 02:40:16,026 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec1_product31.cil.c [2019-09-10 02:40:16,060 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f65e85446/a1f2289db35046c3b9dd2878266306f9/FLAG815d44065 [2019-09-10 02:40:16,249 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f65e85446/a1f2289db35046c3b9dd2878266306f9 [2019-09-10 02:40:16,259 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 02:40:16,260 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 02:40:16,262 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 02:40:16,262 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 02:40:16,267 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 02:40:16,268 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:40:16" (1/1) ... [2019-09-10 02:40:16,271 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@328a7f88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:40:16, skipping insertion in model container [2019-09-10 02:40:16,271 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:40:16" (1/1) ... [2019-09-10 02:40:16,279 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 02:40:16,357 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 02:40:17,251 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:40:17,269 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 02:40:17,413 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:40:17,520 INFO L192 MainTranslator]: Completed translation [2019-09-10 02:40:17,521 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:40:17 WrapperNode [2019-09-10 02:40:17,521 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 02:40:17,522 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 02:40:17,522 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 02:40:17,523 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 02:40:17,537 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:40:17" (1/1) ... [2019-09-10 02:40:17,539 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:40:17" (1/1) ... [2019-09-10 02:40:17,572 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:40:17" (1/1) ... [2019-09-10 02:40:17,573 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:40:17" (1/1) ... [2019-09-10 02:40:17,629 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:40:17" (1/1) ... [2019-09-10 02:40:17,654 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:40:17" (1/1) ... [2019-09-10 02:40:17,668 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:40:17" (1/1) ... [2019-09-10 02:40:17,686 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 02:40:17,687 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 02:40:17,687 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 02:40:17,687 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 02:40:17,688 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:40:17" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 02:40:17,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 02:40:17,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 02:40:17,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-10 02:40:17,781 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-09-10 02:40:17,782 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__AddressBookEncrypt_spec__1 [2019-09-10 02:40:17,782 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-09-10 02:40:17,782 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-09-10 02:40:17,782 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2019-09-10 02:40:17,782 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-09-10 02:40:17,783 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-09-10 02:40:17,783 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-09-10 02:40:17,784 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-09-10 02:40:17,784 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-09-10 02:40:17,785 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-09-10 02:40:17,785 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-09-10 02:40:17,786 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-09-10 02:40:17,786 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-09-10 02:40:17,786 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-09-10 02:40:17,787 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-09-10 02:40:17,787 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-09-10 02:40:17,787 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-09-10 02:40:17,787 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-09-10 02:40:17,788 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-09-10 02:40:17,788 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-09-10 02:40:17,789 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-09-10 02:40:17,789 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-10 02:40:17,789 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-10 02:40:17,789 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-10 02:40:17,790 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-10 02:40:17,790 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-10 02:40:17,790 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-10 02:40:17,790 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-09-10 02:40:17,790 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Encrypt [2019-09-10 02:40:17,790 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2019-09-10 02:40:17,791 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-09-10 02:40:17,791 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-09-10 02:40:17,791 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-09-10 02:40:17,791 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-09-10 02:40:17,791 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-09-10 02:40:17,791 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-10 02:40:17,791 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-10 02:40:17,792 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-10 02:40:17,792 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-10 02:40:17,792 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-10 02:40:17,792 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-09-10 02:40:17,792 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-09-10 02:40:17,792 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-09-10 02:40:17,793 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-09-10 02:40:17,793 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-09-10 02:40:17,793 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-09-10 02:40:17,793 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-09-10 02:40:17,793 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-09-10 02:40:17,793 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-10 02:40:17,794 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 02:40:17,794 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-09-10 02:40:17,794 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-09-10 02:40:17,794 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-09-10 02:40:17,794 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-09-10 02:40:17,795 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-09-10 02:40:17,795 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-09-10 02:40:17,795 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-09-10 02:40:17,796 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-09-10 02:40:17,796 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-09-10 02:40:17,796 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-09-10 02:40:17,796 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-09-10 02:40:17,797 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-09-10 02:40:17,797 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-09-10 02:40:17,797 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-09-10 02:40:17,797 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-09-10 02:40:17,797 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-09-10 02:40:17,797 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-09-10 02:40:17,798 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-09-10 02:40:17,798 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-09-10 02:40:17,799 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-09-10 02:40:17,799 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-09-10 02:40:17,799 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-09-10 02:40:17,799 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-09-10 02:40:17,800 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-09-10 02:40:17,800 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-09-10 02:40:17,800 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-09-10 02:40:17,800 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-09-10 02:40:17,800 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-09-10 02:40:17,801 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-09-10 02:40:17,801 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-09-10 02:40:17,801 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-09-10 02:40:17,802 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-09-10 02:40:17,802 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-09-10 02:40:17,802 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-09-10 02:40:17,803 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-09-10 02:40:17,803 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-09-10 02:40:17,803 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-09-10 02:40:17,803 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-09-10 02:40:17,803 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-09-10 02:40:17,803 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-09-10 02:40:17,803 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-09-10 02:40:17,804 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-09-10 02:40:17,804 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-09-10 02:40:17,804 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-09-10 02:40:17,804 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-09-10 02:40:17,804 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-09-10 02:40:17,804 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-09-10 02:40:17,805 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-09-10 02:40:17,805 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-09-10 02:40:17,805 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-09-10 02:40:17,805 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-09-10 02:40:17,805 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-09-10 02:40:17,805 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-09-10 02:40:17,805 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-09-10 02:40:17,806 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-09-10 02:40:17,806 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-09-10 02:40:17,806 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-09-10 02:40:17,806 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-09-10 02:40:17,806 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-09-10 02:40:17,806 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-09-10 02:40:17,806 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-10 02:40:17,807 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 02:40:17,807 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-10 02:40:17,808 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-10 02:40:17,808 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-09-10 02:40:17,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-10 02:40:17,809 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-10 02:40:17,809 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-09-10 02:40:17,809 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-09-10 02:40:17,810 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__AddressBookEncrypt_spec__1 [2019-09-10 02:40:17,810 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-09-10 02:40:17,810 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-09-10 02:40:17,810 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-09-10 02:40:17,811 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-09-10 02:40:17,811 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-09-10 02:40:17,811 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-09-10 02:40:17,811 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-09-10 02:40:17,812 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-09-10 02:40:17,812 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-09-10 02:40:17,812 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-09-10 02:40:17,813 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-09-10 02:40:17,813 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-09-10 02:40:17,813 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-09-10 02:40:17,813 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-09-10 02:40:17,814 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-09-10 02:40:17,820 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-09-10 02:40:17,821 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-09-10 02:40:17,822 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-09-10 02:40:17,822 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-09-10 02:40:17,828 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-09-10 02:40:17,828 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-09-10 02:40:17,828 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-09-10 02:40:17,828 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-09-10 02:40:17,828 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-09-10 02:40:17,829 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-09-10 02:40:17,829 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-09-10 02:40:17,829 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-09-10 02:40:17,829 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-09-10 02:40:17,829 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-09-10 02:40:17,829 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-09-10 02:40:17,830 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-09-10 02:40:17,830 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-09-10 02:40:17,830 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-09-10 02:40:17,830 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-09-10 02:40:17,831 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-09-10 02:40:17,831 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-09-10 02:40:17,831 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-09-10 02:40:17,831 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2019-09-10 02:40:17,832 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-09-10 02:40:17,832 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-09-10 02:40:17,832 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-09-10 02:40:17,832 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-10 02:40:17,832 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-10 02:40:17,832 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-10 02:40:17,833 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-10 02:40:17,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-10 02:40:17,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-10 02:40:17,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-10 02:40:17,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-10 02:40:17,833 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-10 02:40:17,834 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-10 02:40:17,834 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-10 02:40:17,834 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-10 02:40:17,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-10 02:40:17,834 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-10 02:40:17,835 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-10 02:40:17,835 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-10 02:40:17,835 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-09-10 02:40:17,835 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-09-10 02:40:17,835 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-09-10 02:40:17,836 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-09-10 02:40:17,836 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Encrypt [2019-09-10 02:40:17,836 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2019-09-10 02:40:17,836 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-09-10 02:40:17,836 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-09-10 02:40:17,836 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-09-10 02:40:17,837 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-09-10 02:40:17,837 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-09-10 02:40:17,837 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-09-10 02:40:17,837 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-09-10 02:40:17,837 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-09-10 02:40:17,838 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-09-10 02:40:17,838 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-09-10 02:40:17,838 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-10 02:40:17,838 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-10 02:40:17,838 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-10 02:40:17,838 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-10 02:40:17,839 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-10 02:40:17,839 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-09-10 02:40:17,839 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-09-10 02:40:17,839 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-09-10 02:40:17,839 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-09-10 02:40:17,839 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-09-10 02:40:17,840 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-09-10 02:40:17,840 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-09-10 02:40:17,840 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-09-10 02:40:17,840 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-09-10 02:40:17,840 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-09-10 02:40:17,840 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-09-10 02:40:17,841 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-10 02:40:17,841 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 02:40:17,841 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-09-10 02:40:17,841 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-09-10 02:40:17,841 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-09-10 02:40:17,841 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-09-10 02:40:17,842 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-09-10 02:40:17,842 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-09-10 02:40:17,842 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-09-10 02:40:17,842 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-09-10 02:40:17,842 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-09-10 02:40:17,842 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-09-10 02:40:17,843 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-09-10 02:40:17,843 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-09-10 02:40:17,843 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-09-10 02:40:17,843 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-09-10 02:40:17,843 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-09-10 02:40:17,843 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-09-10 02:40:17,844 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-09-10 02:40:17,844 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-09-10 02:40:17,844 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-09-10 02:40:17,844 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-09-10 02:40:17,844 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-09-10 02:40:17,844 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-09-10 02:40:17,845 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-09-10 02:40:17,845 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-09-10 02:40:17,845 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-09-10 02:40:17,845 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-09-10 02:40:17,845 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-09-10 02:40:17,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 02:40:17,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-10 02:40:17,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 02:40:20,238 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 02:40:20,239 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-10 02:40:20,241 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:40:20 BoogieIcfgContainer [2019-09-10 02:40:20,241 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 02:40:20,242 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 02:40:20,242 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 02:40:20,245 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 02:40:20,246 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 02:40:16" (1/3) ... [2019-09-10 02:40:20,247 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cf28019 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:40:20, skipping insertion in model container [2019-09-10 02:40:20,247 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:40:17" (2/3) ... [2019-09-10 02:40:20,247 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cf28019 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:40:20, skipping insertion in model container [2019-09-10 02:40:20,247 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:40:20" (3/3) ... [2019-09-10 02:40:20,249 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec1_product31.cil.c [2019-09-10 02:40:20,259 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 02:40:20,271 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 02:40:20,288 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 02:40:20,321 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 02:40:20,321 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 02:40:20,321 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 02:40:20,322 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 02:40:20,322 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 02:40:20,322 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 02:40:20,322 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 02:40:20,322 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 02:40:20,351 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states. [2019-09-10 02:40:20,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2019-09-10 02:40:20,375 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:40:20,376 INFO L399 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] [2019-09-10 02:40:20,379 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:40:20,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:40:20,386 INFO L82 PathProgramCache]: Analyzing trace with hash 1912188797, now seen corresponding path program 1 times [2019-09-10 02:40:20,388 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:40:20,440 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:40:20,440 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:40:20,440 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:40:20,441 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:40:20,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:40:21,102 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-09-10 02:40:21,105 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:40:21,105 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-10 02:40:21,106 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:40:21,115 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 02:40:21,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 02:40:21,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:40:21,135 INFO L87 Difference]: Start difference. First operand 558 states. Second operand 2 states. [2019-09-10 02:40:21,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:40:21,229 INFO L93 Difference]: Finished difference Result 544 states and 718 transitions. [2019-09-10 02:40:21,229 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 02:40:21,230 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 158 [2019-09-10 02:40:21,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:40:21,269 INFO L225 Difference]: With dead ends: 544 [2019-09-10 02:40:21,270 INFO L226 Difference]: Without dead ends: 535 [2019-09-10 02:40:21,272 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:40:21,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 535 states. [2019-09-10 02:40:21,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 535 to 535. [2019-09-10 02:40:21,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 535 states. [2019-09-10 02:40:21,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 535 states and 707 transitions. [2019-09-10 02:40:21,404 INFO L78 Accepts]: Start accepts. Automaton has 535 states and 707 transitions. Word has length 158 [2019-09-10 02:40:21,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:40:21,407 INFO L475 AbstractCegarLoop]: Abstraction has 535 states and 707 transitions. [2019-09-10 02:40:21,407 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 02:40:21,407 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 707 transitions. [2019-09-10 02:40:21,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2019-09-10 02:40:21,422 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:40:21,422 INFO L399 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] [2019-09-10 02:40:21,423 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:40:21,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:40:21,424 INFO L82 PathProgramCache]: Analyzing trace with hash 692839449, now seen corresponding path program 1 times [2019-09-10 02:40:21,424 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:40:21,425 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:40:21,426 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:40:21,426 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:40:21,426 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:40:21,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:40:21,725 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-09-10 02:40:21,725 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:40:21,725 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:40:21,725 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:40:21,731 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:40:21,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:40:21,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:40:21,732 INFO L87 Difference]: Start difference. First operand 535 states and 707 transitions. Second operand 3 states. [2019-09-10 02:40:21,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:40:21,788 INFO L93 Difference]: Finished difference Result 538 states and 710 transitions. [2019-09-10 02:40:21,788 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:40:21,788 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 159 [2019-09-10 02:40:21,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:40:21,798 INFO L225 Difference]: With dead ends: 538 [2019-09-10 02:40:21,798 INFO L226 Difference]: Without dead ends: 538 [2019-09-10 02:40:21,799 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:40:21,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2019-09-10 02:40:21,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 537. [2019-09-10 02:40:21,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 537 states. [2019-09-10 02:40:21,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 537 states and 709 transitions. [2019-09-10 02:40:21,828 INFO L78 Accepts]: Start accepts. Automaton has 537 states and 709 transitions. Word has length 159 [2019-09-10 02:40:21,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:40:21,829 INFO L475 AbstractCegarLoop]: Abstraction has 537 states and 709 transitions. [2019-09-10 02:40:21,829 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:40:21,829 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 709 transitions. [2019-09-10 02:40:21,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2019-09-10 02:40:21,835 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:40:21,835 INFO L399 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] [2019-09-10 02:40:21,835 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:40:21,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:40:21,836 INFO L82 PathProgramCache]: Analyzing trace with hash 62059661, now seen corresponding path program 1 times [2019-09-10 02:40:21,836 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:40:21,837 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:40:21,837 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:40:21,837 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:40:21,837 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:40:21,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:40:22,073 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-09-10 02:40:22,073 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:40:22,074 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:40:22,074 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:40:22,075 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:40:22,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:40:22,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:40:22,078 INFO L87 Difference]: Start difference. First operand 537 states and 709 transitions. Second operand 3 states. [2019-09-10 02:40:22,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:40:22,109 INFO L93 Difference]: Finished difference Result 578 states and 779 transitions. [2019-09-10 02:40:22,110 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:40:22,110 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 165 [2019-09-10 02:40:22,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:40:22,119 INFO L225 Difference]: With dead ends: 578 [2019-09-10 02:40:22,120 INFO L226 Difference]: Without dead ends: 578 [2019-09-10 02:40:22,120 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:40:22,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 578 states. [2019-09-10 02:40:22,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 578 to 577. [2019-09-10 02:40:22,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 577 states. [2019-09-10 02:40:22,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 577 states and 778 transitions. [2019-09-10 02:40:22,151 INFO L78 Accepts]: Start accepts. Automaton has 577 states and 778 transitions. Word has length 165 [2019-09-10 02:40:22,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:40:22,152 INFO L475 AbstractCegarLoop]: Abstraction has 577 states and 778 transitions. [2019-09-10 02:40:22,152 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:40:22,153 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 778 transitions. [2019-09-10 02:40:22,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2019-09-10 02:40:22,157 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:40:22,158 INFO L399 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] [2019-09-10 02:40:22,158 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:40:22,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:40:22,158 INFO L82 PathProgramCache]: Analyzing trace with hash 1057997395, now seen corresponding path program 1 times [2019-09-10 02:40:22,158 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:40:22,159 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:40:22,159 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:40:22,159 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:40:22,160 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:40:22,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:40:22,368 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-09-10 02:40:22,369 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 02:40:22,369 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-10 02:40:22,370 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 167 with the following transitions: [2019-09-10 02:40:22,373 INFO L207 CegarAbsIntRunner]: [72], [75], [85], [123], [152], [155], [156], [157], [159], [269], [271], [275], [278], [279], [280], [283], [289], [316], [323], [325], [328], [334], [337], [346], [367], [369], [370], [373], [383], [641], [643], [644], [645], [690], [693], [707], [746], [753], [754], [765], [767], [770], [774], [798], [802], [805], [813], [816], [881], [890], [894], [896], [898], [901], [908], [915], [918], [1179], [1233], [1255], [1266], [1269], [1270], [1273], [1276], [1307], [1308], [1310], [1312], [1319], [1323], [1325], [1394], [1397], [1403], [1438], [1441], [1455], [1461], [1464], [1473], [1662], [1664], [1666], [1668], [1669], [1699], [1709], [1710], [1711], [1712], [1713], [1714], [1717], [1718], [1719], [1720], [1721], [1723], [1724], [1725], [1726], [1737], [1738], [1739], [1749], [1750], [1793], [1794], [1815], [1821], [1822], [1827], [1828], [1829], [1830], [1831], [1832], [1833], [1834], [1835], [1837], [1838], [1839], [1840], [1889], [1891], [1892], [1893], [1895], [1896], [1897], [1898], [1899], [1900], [1901], [1902], [1907], [1909], [1910], [1911], [1923], [1924], [1925], [1926], [1927], [1928], [1929], [1930], [1931] [2019-09-10 02:40:22,434 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-10 02:40:22,434 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-10 02:40:22,590 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-10 02:40:22,592 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 190 root evaluator evaluations with a maximum evaluation depth of 0. Performed 190 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 374 variables. [2019-09-10 02:40:22,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:40:22,598 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-10 02:40:22,670 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-09-10 02:40:22,670 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-10 02:40:22,679 INFO L420 sIntCurrentIteration]: We unified 165 AI predicates to 165 [2019-09-10 02:40:22,679 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-10 02:40:22,680 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-10 02:40:22,680 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 7 [2019-09-10 02:40:22,680 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:40:22,681 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 02:40:22,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 02:40:22,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:40:22,682 INFO L87 Difference]: Start difference. First operand 577 states and 778 transitions. Second operand 2 states. [2019-09-10 02:40:22,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:40:22,682 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-09-10 02:40:22,683 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 02:40:22,683 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 166 [2019-09-10 02:40:22,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:40:22,683 INFO L225 Difference]: With dead ends: 2 [2019-09-10 02:40:22,684 INFO L226 Difference]: Without dead ends: 0 [2019-09-10 02:40:22,684 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:40:22,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-10 02:40:22,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-10 02:40:22,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-10 02:40:22,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-10 02:40:22,685 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 166 [2019-09-10 02:40:22,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:40:22,686 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-10 02:40:22,686 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 02:40:22,686 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-10 02:40:22,686 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-10 02:40:22,693 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 02:40:22 BoogieIcfgContainer [2019-09-10 02:40:22,693 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-10 02:40:22,696 INFO L168 Benchmark]: Toolchain (without parser) took 6434.30 ms. Allocated memory was 135.8 MB in the beginning and 308.8 MB in the end (delta: 173.0 MB). Free memory was 89.2 MB in the beginning and 143.1 MB in the end (delta: -53.9 MB). Peak memory consumption was 119.1 MB. Max. memory is 7.1 GB. [2019-09-10 02:40:22,697 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 135.8 MB. Free memory was 110.2 MB in the beginning and 110.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-10 02:40:22,698 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1260.27 ms. Allocated memory was 135.8 MB in the beginning and 203.4 MB in the end (delta: 67.6 MB). Free memory was 89.0 MB in the beginning and 132.1 MB in the end (delta: -43.1 MB). Peak memory consumption was 33.4 MB. Max. memory is 7.1 GB. [2019-09-10 02:40:22,699 INFO L168 Benchmark]: Boogie Preprocessor took 164.24 ms. Allocated memory is still 203.4 MB. Free memory was 132.1 MB in the beginning and 123.2 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. [2019-09-10 02:40:22,700 INFO L168 Benchmark]: RCFGBuilder took 2554.34 ms. Allocated memory was 203.4 MB in the beginning and 255.9 MB in the end (delta: 52.4 MB). Free memory was 123.2 MB in the beginning and 142.8 MB in the end (delta: -19.6 MB). Peak memory consumption was 80.5 MB. Max. memory is 7.1 GB. [2019-09-10 02:40:22,701 INFO L168 Benchmark]: TraceAbstraction took 2451.13 ms. Allocated memory was 255.9 MB in the beginning and 308.8 MB in the end (delta: 53.0 MB). Free memory was 140.9 MB in the beginning and 143.1 MB in the end (delta: -2.2 MB). Peak memory consumption was 50.8 MB. Max. memory is 7.1 GB. [2019-09-10 02:40:22,706 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 135.8 MB. Free memory was 110.2 MB in the beginning and 110.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1260.27 ms. Allocated memory was 135.8 MB in the beginning and 203.4 MB in the end (delta: 67.6 MB). Free memory was 89.0 MB in the beginning and 132.1 MB in the end (delta: -43.1 MB). Peak memory consumption was 33.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 164.24 ms. Allocated memory is still 203.4 MB. Free memory was 132.1 MB in the beginning and 123.2 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2554.34 ms. Allocated memory was 203.4 MB in the beginning and 255.9 MB in the end (delta: 52.4 MB). Free memory was 123.2 MB in the beginning and 142.8 MB in the end (delta: -19.6 MB). Peak memory consumption was 80.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2451.13 ms. Allocated memory was 255.9 MB in the beginning and 308.8 MB in the end (delta: 53.0 MB). Free memory was 140.9 MB in the beginning and 143.1 MB in the end (delta: -2.2 MB). Peak memory consumption was 50.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 2996]: 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 115 procedures, 792 locations, 1 error locations. SAFE Result, 2.3s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2143 SDtfs, 53 SDslu, 1403 SDs, 0 SdLazy, 8 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 173 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=577occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.2s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 2.3454545454545452 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 648 NumberOfCodeBlocks, 648 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 644 ConstructedInterpolants, 0 QuantifiedInterpolants, 108318 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 113/116 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...