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_product30.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 02:56:19,813 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 02:56:19,816 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 02:56:19,828 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 02:56:19,828 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 02:56:19,829 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 02:56:19,831 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 02:56:19,833 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 02:56:19,835 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 02:56:19,836 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 02:56:19,837 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 02:56:19,838 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 02:56:19,838 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 02:56:19,839 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 02:56:19,840 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 02:56:19,841 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 02:56:19,842 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 02:56:19,843 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 02:56:19,846 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 02:56:19,851 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 02:56:19,853 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 02:56:19,854 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 02:56:19,859 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 02:56:19,860 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 02:56:19,863 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 02:56:19,864 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 02:56:19,865 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 02:56:19,866 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 02:56:19,867 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 02:56:19,869 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 02:56:19,869 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 02:56:19,872 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 02:56:19,872 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 02:56:19,873 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 02:56:19,877 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 02:56:19,878 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 02:56:19,878 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 02:56:19,879 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 02:56:19,879 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 02:56:19,882 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 02:56:19,885 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 02:56:19,888 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 02:56:19,917 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 02:56:19,917 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 02:56:19,918 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 02:56:19,918 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 02:56:19,919 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 02:56:19,919 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 02:56:19,919 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 02:56:19,920 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 02:56:19,920 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 02:56:19,920 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 02:56:19,922 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 02:56:19,923 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 02:56:19,923 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 02:56:19,924 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 02:56:19,924 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 02:56:19,924 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 02:56:19,924 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 02:56:19,924 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 02:56:19,924 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 02:56:19,925 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 02:56:19,925 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 02:56:19,925 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 02:56:19,926 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 02:56:19,926 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 02:56:19,926 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 02:56:19,926 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 02:56:19,927 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 02:56:19,927 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 02:56:19,927 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 02:56:19,927 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 02:56:19,962 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 02:56:19,980 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 02:56:19,985 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 02:56:19,987 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 02:56:19,987 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 02:56:19,988 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec9_product30.cil.c [2019-10-03 02:56:20,069 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8dc788d98/1f59e35989ed48328844698c3907d19f/FLAG535bf6425 [2019-10-03 02:56:20,729 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 02:56:20,730 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec9_product30.cil.c [2019-10-03 02:56:20,753 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8dc788d98/1f59e35989ed48328844698c3907d19f/FLAG535bf6425 [2019-10-03 02:56:20,930 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8dc788d98/1f59e35989ed48328844698c3907d19f [2019-10-03 02:56:20,941 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 02:56:20,942 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 02:56:20,943 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 02:56:20,944 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 02:56:20,947 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 02:56:20,953 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:56:20" (1/1) ... [2019-10-03 02:56:20,957 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4626f4a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:56:20, skipping insertion in model container [2019-10-03 02:56:20,957 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:56:20" (1/1) ... [2019-10-03 02:56:20,965 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 02:56:21,061 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 02:56:21,918 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:56:21,945 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 02:56:22,153 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:56:22,269 INFO L192 MainTranslator]: Completed translation [2019-10-03 02:56:22,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:56:22 WrapperNode [2019-10-03 02:56:22,271 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 02:56:22,272 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 02:56:22,272 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 02:56:22,272 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 02:56:22,288 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:56:22" (1/1) ... [2019-10-03 02:56:22,290 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:56:22" (1/1) ... [2019-10-03 02:56:22,334 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:56:22" (1/1) ... [2019-10-03 02:56:22,334 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:56:22" (1/1) ... [2019-10-03 02:56:22,395 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:56:22" (1/1) ... [2019-10-03 02:56:22,418 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:56:22" (1/1) ... [2019-10-03 02:56:22,430 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:56:22" (1/1) ... [2019-10-03 02:56:22,446 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 02:56:22,449 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 02:56:22,450 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 02:56:22,450 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 02:56:22,453 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:56:22" (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 02:56:22,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 02:56:22,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 02:56:22,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-03 02:56:22,540 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-03 02:56:22,541 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-03 02:56:22,541 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-03 02:56:22,541 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-03 02:56:22,541 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-03 02:56:22,542 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-03 02:56:22,542 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-03 02:56:22,542 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-03 02:56:22,543 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-03 02:56:22,543 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 02:56:22,544 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-03 02:56:22,544 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-03 02:56:22,545 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-03 02:56:22,545 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-03 02:56:22,546 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-03 02:56:22,546 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-03 02:56:22,546 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-03 02:56:22,547 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-03 02:56:22,547 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-03 02:56:22,547 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-03 02:56:22,547 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-03 02:56:22,548 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-03 02:56:22,549 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-10-03 02:56:22,549 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-03 02:56:22,549 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-03 02:56:22,549 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2019-10-03 02:56:22,549 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-03 02:56:22,550 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-10-03 02:56:22,550 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-03 02:56:22,550 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-03 02:56:22,550 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-03 02:56:22,550 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-03 02:56:22,551 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-03 02:56:22,551 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-03 02:56:22,551 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-03 02:56:22,551 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-03 02:56:22,551 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-03 02:56:22,551 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-03 02:56:22,551 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-03 02:56:22,552 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-03 02:56:22,552 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-03 02:56:22,552 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AutoResponder [2019-10-03 02:56:22,552 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2019-10-03 02:56:22,552 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-03 02:56:22,552 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-03 02:56:22,553 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-03 02:56:22,553 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-03 02:56:22,553 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-03 02:56:22,553 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-03 02:56:22,553 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-03 02:56:22,553 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-03 02:56:22,554 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-03 02:56:22,554 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-03 02:56:22,554 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-03 02:56:22,554 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-03 02:56:22,555 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-03 02:56:22,555 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-03 02:56:22,555 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-03 02:56:22,555 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-03 02:56:22,555 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-03 02:56:22,555 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-03 02:56:22,556 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-03 02:56:22,556 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-03 02:56:22,556 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-03 02:56:22,557 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-03 02:56:22,557 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-03 02:56:22,557 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-03 02:56:22,557 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-03 02:56:22,557 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-03 02:56:22,557 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-03 02:56:22,558 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-03 02:56:22,558 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-03 02:56:22,558 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-03 02:56:22,559 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-03 02:56:22,559 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-03 02:56:22,559 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-03 02:56:22,559 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-03 02:56:22,560 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-03 02:56:22,560 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-03 02:56:22,560 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-03 02:56:22,560 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-03 02:56:22,560 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-03 02:56:22,561 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptForward_spec__1 [2019-10-03 02:56:22,561 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptForward_spec__2 [2019-10-03 02:56:22,562 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-03 02:56:22,562 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-03 02:56:22,562 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-03 02:56:22,562 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-03 02:56:22,562 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-03 02:56:22,562 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-03 02:56:22,563 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-03 02:56:22,563 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-03 02:56:22,563 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-03 02:56:22,563 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-03 02:56:22,564 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-03 02:56:22,564 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-03 02:56:22,564 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-03 02:56:22,564 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-03 02:56:22,564 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-03 02:56:22,564 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-03 02:56:22,564 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-03 02:56:22,565 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-03 02:56:22,565 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-03 02:56:22,565 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-03 02:56:22,565 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-03 02:56:22,565 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-03 02:56:22,565 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-03 02:56:22,566 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-03 02:56:22,566 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-03 02:56:22,566 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-03 02:56:22,566 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-03 02:56:22,566 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-03 02:56:22,566 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-03 02:56:22,567 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 02:56:22,568 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 02:56:22,568 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-03 02:56:22,568 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-03 02:56:22,569 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-03 02:56:22,569 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-03 02:56:22,569 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-03 02:56:22,570 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-03 02:56:22,570 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-03 02:56:22,570 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-03 02:56:22,570 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-03 02:56:22,571 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-03 02:56:22,571 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-03 02:56:22,571 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-03 02:56:22,571 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-03 02:56:22,572 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-03 02:56:22,572 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-03 02:56:22,572 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-03 02:56:22,572 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-03 02:56:22,572 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-03 02:56:22,572 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-03 02:56:22,573 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-03 02:56:22,573 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-03 02:56:22,577 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-03 02:56:22,578 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-03 02:56:22,578 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-03 02:56:22,578 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-03 02:56:22,584 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-03 02:56:22,584 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 02:56:22,584 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-03 02:56:22,584 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-03 02:56:22,585 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-03 02:56:22,585 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-03 02:56:22,585 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-03 02:56:22,585 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-03 02:56:22,586 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-03 02:56:22,586 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-03 02:56:22,586 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-03 02:56:22,586 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-03 02:56:22,586 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-03 02:56:22,587 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-03 02:56:22,587 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-03 02:56:22,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-03 02:56:22,587 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-03 02:56:22,587 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-03 02:56:22,587 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-03 02:56:22,587 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-03 02:56:22,588 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-03 02:56:22,588 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-03 02:56:22,588 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-03 02:56:22,588 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-03 02:56:22,588 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-03 02:56:22,588 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-03 02:56:22,588 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-03 02:56:22,588 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-03 02:56:22,589 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-03 02:56:22,589 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-03 02:56:22,589 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-03 02:56:22,589 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-03 02:56:22,589 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-03 02:56:22,589 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-03 02:56:22,589 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-03 02:56:22,589 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-03 02:56:22,590 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-03 02:56:22,590 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-03 02:56:22,590 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-03 02:56:22,590 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-03 02:56:22,590 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-03 02:56:22,590 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-03 02:56:22,590 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-03 02:56:22,591 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-03 02:56:22,591 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-03 02:56:22,591 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptForward_spec__2 [2019-10-03 02:56:22,591 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-03 02:56:22,591 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-10-03 02:56:22,591 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2019-10-03 02:56:22,591 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-03 02:56:22,591 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-10-03 02:56:22,592 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptForward_spec__1 [2019-10-03 02:56:22,592 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-03 02:56:22,592 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-03 02:56:22,592 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-03 02:56:22,592 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-03 02:56:22,592 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-03 02:56:22,592 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AutoResponder [2019-10-03 02:56:22,593 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2019-10-03 02:56:22,593 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-03 02:56:22,593 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-03 02:56:22,593 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-03 02:56:22,593 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-03 02:56:22,593 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-03 02:56:22,593 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-03 02:56:22,593 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-03 02:56:22,594 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-03 02:56:22,594 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-03 02:56:22,594 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-03 02:56:22,594 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-03 02:56:22,594 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-03 02:56:22,594 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-03 02:56:22,595 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-03 02:56:22,595 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-03 02:56:22,595 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-03 02:56:22,595 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-03 02:56:22,595 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-03 02:56:22,595 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-03 02:56:22,596 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-03 02:56:22,596 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-03 02:56:22,596 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-03 02:56:22,596 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-03 02:56:22,596 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-03 02:56:22,596 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-03 02:56:22,597 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-03 02:56:22,597 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-03 02:56:22,597 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-03 02:56:22,597 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-03 02:56:22,597 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-03 02:56:22,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-03 02:56:22,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-03 02:56:22,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-03 02:56:22,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-03 02:56:22,598 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-03 02:56:22,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-03 02:56:22,599 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-03 02:56:22,599 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-03 02:56:22,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-03 02:56:22,599 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-03 02:56:22,599 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-03 02:56:22,599 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-03 02:56:22,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 02:56:22,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-03 02:56:22,600 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 02:56:24,829 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 02:56:24,829 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-03 02:56:24,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:56:24 BoogieIcfgContainer [2019-10-03 02:56:24,832 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 02:56:24,833 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-03 02:56:24,833 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-03 02:56:24,836 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-03 02:56:24,836 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.10 02:56:20" (1/3) ... [2019-10-03 02:56:24,837 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2503c6d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:56:24, skipping insertion in model container [2019-10-03 02:56:24,838 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:56:22" (2/3) ... [2019-10-03 02:56:24,838 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2503c6d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:56:24, skipping insertion in model container [2019-10-03 02:56:24,838 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:56:24" (3/3) ... [2019-10-03 02:56:24,840 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec9_product30.cil.c [2019-10-03 02:56:24,851 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-03 02:56:24,870 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-03 02:56:24,887 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-03 02:56:24,919 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-03 02:56:24,919 INFO L378 AbstractCegarLoop]: Hoare is false [2019-10-03 02:56:24,921 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-03 02:56:24,926 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-03 02:56:24,926 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-03 02:56:24,926 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-03 02:56:24,926 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-03 02:56:24,926 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-03 02:56:24,968 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states. [2019-10-03 02:56:25,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2019-10-03 02:56:25,010 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:56:25,012 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:56:25,015 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:56:25,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:56:25,020 INFO L82 PathProgramCache]: Analyzing trace with hash -702244773, now seen corresponding path program 1 times [2019-10-03 02:56:25,022 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:56:25,079 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:56:25,079 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:56:25,079 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:56:25,080 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:56:25,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:56:25,645 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 02:56:25,647 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:56:25,648 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-03 02:56:25,648 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:56:25,654 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:56:25,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:56:25,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:56:25,673 INFO L87 Difference]: Start difference. First operand 548 states. Second operand 2 states. [2019-10-03 02:56:25,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:56:25,740 INFO L93 Difference]: Finished difference Result 506 states and 670 transitions. [2019-10-03 02:56:25,740 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:56:25,741 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 158 [2019-10-03 02:56:25,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:56:25,768 INFO L225 Difference]: With dead ends: 506 [2019-10-03 02:56:25,768 INFO L226 Difference]: Without dead ends: 497 [2019-10-03 02:56:25,770 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 02:56:25,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 497 states. [2019-10-03 02:56:25,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 497 to 497. [2019-10-03 02:56:25,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 497 states. [2019-10-03 02:56:25,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 497 states and 659 transitions. [2019-10-03 02:56:25,876 INFO L78 Accepts]: Start accepts. Automaton has 497 states and 659 transitions. Word has length 158 [2019-10-03 02:56:25,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:56:25,878 INFO L475 AbstractCegarLoop]: Abstraction has 497 states and 659 transitions. [2019-10-03 02:56:25,878 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:56:25,878 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 659 transitions. [2019-10-03 02:56:25,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2019-10-03 02:56:25,883 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:56:25,883 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:56:25,884 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:56:25,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:56:25,885 INFO L82 PathProgramCache]: Analyzing trace with hash 2104582375, now seen corresponding path program 1 times [2019-10-03 02:56:25,885 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:56:25,889 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:56:25,890 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:56:25,890 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:56:25,892 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:56:25,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:56:26,127 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 02:56:26,128 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:56:26,128 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:56:26,128 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:56:26,136 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:56:26,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:56:26,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:56:26,137 INFO L87 Difference]: Start difference. First operand 497 states and 659 transitions. Second operand 3 states. [2019-10-03 02:56:26,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:56:26,184 INFO L93 Difference]: Finished difference Result 500 states and 662 transitions. [2019-10-03 02:56:26,184 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:56:26,184 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 159 [2019-10-03 02:56:26,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:56:26,190 INFO L225 Difference]: With dead ends: 500 [2019-10-03 02:56:26,190 INFO L226 Difference]: Without dead ends: 500 [2019-10-03 02:56:26,191 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 02:56:26,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 500 states. [2019-10-03 02:56:26,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 500 to 499. [2019-10-03 02:56:26,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 499 states. [2019-10-03 02:56:26,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 499 states and 661 transitions. [2019-10-03 02:56:26,221 INFO L78 Accepts]: Start accepts. Automaton has 499 states and 661 transitions. Word has length 159 [2019-10-03 02:56:26,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:56:26,221 INFO L475 AbstractCegarLoop]: Abstraction has 499 states and 661 transitions. [2019-10-03 02:56:26,222 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:56:26,222 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 661 transitions. [2019-10-03 02:56:26,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2019-10-03 02:56:26,225 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:56:26,225 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:56:26,225 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:56:26,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:56:26,226 INFO L82 PathProgramCache]: Analyzing trace with hash -1792836169, now seen corresponding path program 1 times [2019-10-03 02:56:26,226 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:56:26,230 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:56:26,231 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:56:26,231 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:56:26,231 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:56:26,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:56:26,455 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 02:56:26,456 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:56:26,456 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:56:26,456 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:56:26,458 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:56:26,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:56:26,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:56:26,461 INFO L87 Difference]: Start difference. First operand 499 states and 661 transitions. Second operand 3 states. [2019-10-03 02:56:26,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:56:26,503 INFO L93 Difference]: Finished difference Result 540 states and 731 transitions. [2019-10-03 02:56:26,503 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:56:26,504 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 169 [2019-10-03 02:56:26,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:56:26,510 INFO L225 Difference]: With dead ends: 540 [2019-10-03 02:56:26,511 INFO L226 Difference]: Without dead ends: 540 [2019-10-03 02:56:26,511 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 02:56:26,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 540 states. [2019-10-03 02:56:26,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 540 to 539. [2019-10-03 02:56:26,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 539 states. [2019-10-03 02:56:26,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 539 states and 730 transitions. [2019-10-03 02:56:26,560 INFO L78 Accepts]: Start accepts. Automaton has 539 states and 730 transitions. Word has length 169 [2019-10-03 02:56:26,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:56:26,562 INFO L475 AbstractCegarLoop]: Abstraction has 539 states and 730 transitions. [2019-10-03 02:56:26,562 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:56:26,562 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 730 transitions. [2019-10-03 02:56:26,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2019-10-03 02:56:26,569 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:56:26,569 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:56:26,570 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:56:26,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:56:26,570 INFO L82 PathProgramCache]: Analyzing trace with hash 2122223245, now seen corresponding path program 1 times [2019-10-03 02:56:26,570 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:56:26,574 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:56:26,575 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:56:26,575 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:56:26,575 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:56:26,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:56:26,789 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 02:56:26,789 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:56:26,789 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:56:26,790 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:56:26,791 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:56:26,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:56:26,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:56:26,792 INFO L87 Difference]: Start difference. First operand 539 states and 730 transitions. Second operand 3 states. [2019-10-03 02:56:26,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:56:26,846 INFO L93 Difference]: Finished difference Result 617 states and 863 transitions. [2019-10-03 02:56:26,847 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:56:26,847 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 170 [2019-10-03 02:56:26,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:56:26,858 INFO L225 Difference]: With dead ends: 617 [2019-10-03 02:56:26,858 INFO L226 Difference]: Without dead ends: 617 [2019-10-03 02:56:26,859 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 02:56:26,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 617 states. [2019-10-03 02:56:26,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 617 to 616. [2019-10-03 02:56:26,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 616 states. [2019-10-03 02:56:26,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 616 states and 862 transitions. [2019-10-03 02:56:26,908 INFO L78 Accepts]: Start accepts. Automaton has 616 states and 862 transitions. Word has length 170 [2019-10-03 02:56:26,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:56:26,909 INFO L475 AbstractCegarLoop]: Abstraction has 616 states and 862 transitions. [2019-10-03 02:56:26,909 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:56:26,911 INFO L276 IsEmpty]: Start isEmpty. Operand 616 states and 862 transitions. [2019-10-03 02:56:26,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2019-10-03 02:56:26,915 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:56:26,916 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:56:26,916 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:56:26,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:56:26,916 INFO L82 PathProgramCache]: Analyzing trace with hash -1471474153, now seen corresponding path program 1 times [2019-10-03 02:56:26,917 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:56:26,920 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:56:26,921 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:56:26,921 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:56:26,921 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:56:27,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:56:27,162 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 02:56:27,162 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:56:27,162 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:56:27,162 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:56:27,163 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:56:27,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:56:27,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:56:27,164 INFO L87 Difference]: Start difference. First operand 616 states and 862 transitions. Second operand 3 states. [2019-10-03 02:56:27,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:56:27,194 INFO L93 Difference]: Finished difference Result 765 states and 1115 transitions. [2019-10-03 02:56:27,195 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:56:27,195 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 171 [2019-10-03 02:56:27,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:56:27,201 INFO L225 Difference]: With dead ends: 765 [2019-10-03 02:56:27,201 INFO L226 Difference]: Without dead ends: 765 [2019-10-03 02:56:27,202 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 02:56:27,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 765 states. [2019-10-03 02:56:27,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 765 to 764. [2019-10-03 02:56:27,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 764 states. [2019-10-03 02:56:27,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 764 states to 764 states and 1114 transitions. [2019-10-03 02:56:27,239 INFO L78 Accepts]: Start accepts. Automaton has 764 states and 1114 transitions. Word has length 171 [2019-10-03 02:56:27,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:56:27,240 INFO L475 AbstractCegarLoop]: Abstraction has 764 states and 1114 transitions. [2019-10-03 02:56:27,240 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:56:27,241 INFO L276 IsEmpty]: Start isEmpty. Operand 764 states and 1114 transitions. [2019-10-03 02:56:27,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2019-10-03 02:56:27,246 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:56:27,246 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:56:27,247 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:56:27,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:56:27,247 INFO L82 PathProgramCache]: Analyzing trace with hash -388772307, now seen corresponding path program 1 times [2019-10-03 02:56:27,248 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:56:27,253 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:56:27,253 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:56:27,253 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:56:27,253 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:56:27,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:56:27,457 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 02:56:27,458 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:56:27,458 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:56:27,458 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:56:27,458 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:56:27,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:56:27,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:56:27,459 INFO L87 Difference]: Start difference. First operand 764 states and 1114 transitions. Second operand 3 states. [2019-10-03 02:56:27,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:56:27,483 INFO L93 Difference]: Finished difference Result 1049 states and 1595 transitions. [2019-10-03 02:56:27,484 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:56:27,484 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 172 [2019-10-03 02:56:27,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:56:27,491 INFO L225 Difference]: With dead ends: 1049 [2019-10-03 02:56:27,491 INFO L226 Difference]: Without dead ends: 1049 [2019-10-03 02:56:27,491 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 02:56:27,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1049 states. [2019-10-03 02:56:27,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1049 to 1048. [2019-10-03 02:56:27,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1048 states. [2019-10-03 02:56:27,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1048 states to 1048 states and 1594 transitions. [2019-10-03 02:56:27,528 INFO L78 Accepts]: Start accepts. Automaton has 1048 states and 1594 transitions. Word has length 172 [2019-10-03 02:56:27,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:56:27,530 INFO L475 AbstractCegarLoop]: Abstraction has 1048 states and 1594 transitions. [2019-10-03 02:56:27,530 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:56:27,533 INFO L276 IsEmpty]: Start isEmpty. Operand 1048 states and 1594 transitions. [2019-10-03 02:56:27,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2019-10-03 02:56:27,539 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:56:27,539 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:56:27,540 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:56:27,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:56:27,540 INFO L82 PathProgramCache]: Analyzing trace with hash 1194793961, now seen corresponding path program 1 times [2019-10-03 02:56:27,540 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:56:27,546 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:56:27,546 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:56:27,546 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:56:27,547 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:56:27,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:56:27,813 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 02:56:27,813 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:56:27,814 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:56:27,814 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:56:27,815 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:56:27,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:56:27,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:56:27,816 INFO L87 Difference]: Start difference. First operand 1048 states and 1594 transitions. Second operand 3 states. [2019-10-03 02:56:27,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:56:27,849 INFO L93 Difference]: Finished difference Result 1152 states and 1737 transitions. [2019-10-03 02:56:27,850 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:56:27,850 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 175 [2019-10-03 02:56:27,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:56:27,858 INFO L225 Difference]: With dead ends: 1152 [2019-10-03 02:56:27,858 INFO L226 Difference]: Without dead ends: 1141 [2019-10-03 02:56:27,859 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 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 02:56:27,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1141 states. [2019-10-03 02:56:27,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1141 to 1141. [2019-10-03 02:56:27,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1141 states. [2019-10-03 02:56:27,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1141 states to 1141 states and 1717 transitions. [2019-10-03 02:56:27,907 INFO L78 Accepts]: Start accepts. Automaton has 1141 states and 1717 transitions. Word has length 175 [2019-10-03 02:56:27,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:56:27,908 INFO L475 AbstractCegarLoop]: Abstraction has 1141 states and 1717 transitions. [2019-10-03 02:56:27,908 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:56:27,908 INFO L276 IsEmpty]: Start isEmpty. Operand 1141 states and 1717 transitions. [2019-10-03 02:56:27,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2019-10-03 02:56:27,917 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:56:27,917 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:56:27,917 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:56:27,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:56:27,918 INFO L82 PathProgramCache]: Analyzing trace with hash 895322575, now seen corresponding path program 1 times [2019-10-03 02:56:27,918 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:56:27,921 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:56:27,922 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:56:27,922 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:56:27,922 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:56:28,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:56:28,590 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 22 proven. 11 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2019-10-03 02:56:28,591 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-03 02:56:28,591 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-10-03 02:56:28,593 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 319 with the following transitions: [2019-10-03 02:56:28,606 INFO L207 CegarAbsIntRunner]: [29], [30], [59], [62], [72], [117], [120], [125], [127], [129], [133], [136], [150], [151], [153], [263], [265], [268], [269], [272], [273], [274], [277], [283], [284], [285], [305], [308], [314], [316], [319], [321], [323], [330], [333], [334], [336], [337], [340], [349], [360], [362], [365], [369], [370], [372], [373], [376], [386], [387], [388], [422], [424], [436], [458], [460], [480], [483], [649], [651], [652], [653], [654], [656], [657], [663], [666], [668], [673], [677], [679], [710], [713], [727], [756], [757], [768], [770], [772], [774], [785], [787], [790], [794], [808], [812], [815], [833], [836], [867], [870], [895], [898], [901], [910], [914], [916], [918], [921], [928], [935], [938], [940], [1074], [1077], [1091], [1199], [1253], [1256], [1275], [1286], [1289], [1290], [1293], [1296], [1327], [1328], [1330], [1332], [1399], [1402], [1412], [1413], [1416], [1422], [1443], [1446], [1460], [1466], [1469], [1478], [1492], [1493], [1667], [1669], [1671], [1673], [1674], [1702], [1703], [1704], [1705], [1706], [1707], [1708], [1709], [1710], [1712], [1713], [1714], [1715], [1716], [1717], [1720], [1721], [1722], [1723], [1724], [1725], [1726], [1727], [1728], [1729], [1736], [1737], [1738], [1739], [1742], [1743], [1744], [1745], [1750], [1751], [1752], [1753], [1758], [1759], [1762], [1763], [1774], [1775], [1788], [1789], [1790], [1791], [1792], [1793], [1810], [1811], [1812], [1813], [1820], [1821], [1822], [1830], [1831], [1832], [1833], [1834], [1835], [1836], [1837], [1842], [1843], [1844], [1845], [1846], [1847], [1848], [1849], [1850], [1852], [1853], [1854], [1855], [1870], [1871], [1872], [1873], [1884], [1885], [1890], [1891], [1906], [1908], [1909], [1910], [1911], [1912], [1913], [1914], [1915], [1916], [1917], [1918], [1919], [1930], [1931], [1932], [1933], [1934], [1935], [1936], [1937], [1938] [2019-10-03 02:56:28,676 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-03 02:56:28,676 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-03 02:56:28,794 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-03 02:56:28,796 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 210 root evaluator evaluations with a maximum evaluation depth of 0. Performed 210 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 386 variables. [2019-10-03 02:56:28,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:56:28,800 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-03 02:56:28,936 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-03 02:56:28,936 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-10-03 02:56:28,952 INFO L420 sIntCurrentIteration]: We unified 317 AI predicates to 317 [2019-10-03 02:56:28,952 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-03 02:56:28,953 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-03 02:56:28,954 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [22] total 22 [2019-10-03 02:56:28,954 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:56:28,955 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:56:28,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:56:28,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:56:28,956 INFO L87 Difference]: Start difference. First operand 1141 states and 1717 transitions. Second operand 2 states. [2019-10-03 02:56:28,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:56:28,957 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-10-03 02:56:28,957 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:56:28,957 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 318 [2019-10-03 02:56:28,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:56:28,957 INFO L225 Difference]: With dead ends: 2 [2019-10-03 02:56:28,958 INFO L226 Difference]: Without dead ends: 0 [2019-10-03 02:56:28,958 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 317 GetRequests, 317 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 02:56:28,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-03 02:56:28,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-03 02:56:28,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-03 02:56:28,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-03 02:56:28,959 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 318 [2019-10-03 02:56:28,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:56:28,959 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-03 02:56:28,959 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:56:28,960 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-03 02:56:28,960 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-03 02:56:28,965 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.10 02:56:28 BoogieIcfgContainer [2019-10-03 02:56:28,966 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-03 02:56:28,969 INFO L168 Benchmark]: Toolchain (without parser) took 8025.51 ms. Allocated memory was 141.6 MB in the beginning and 380.1 MB in the end (delta: 238.6 MB). Free memory was 86.7 MB in the beginning and 93.1 MB in the end (delta: -6.5 MB). Peak memory consumption was 232.1 MB. Max. memory is 7.1 GB. [2019-10-03 02:56:28,970 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 141.6 MB. Free memory was 107.7 MB in the beginning and 107.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-03 02:56:28,973 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1327.95 ms. Allocated memory was 141.6 MB in the beginning and 202.4 MB in the end (delta: 60.8 MB). Free memory was 86.4 MB in the beginning and 133.3 MB in the end (delta: -46.9 MB). Peak memory consumption was 30.7 MB. Max. memory is 7.1 GB. [2019-10-03 02:56:28,975 INFO L168 Benchmark]: Boogie Preprocessor took 174.30 ms. Allocated memory is still 202.4 MB. Free memory was 133.3 MB in the beginning and 124.5 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 7.1 GB. [2019-10-03 02:56:28,976 INFO L168 Benchmark]: RCFGBuilder took 2382.41 ms. Allocated memory was 202.4 MB in the beginning and 260.6 MB in the end (delta: 58.2 MB). Free memory was 124.5 MB in the beginning and 140.6 MB in the end (delta: -16.0 MB). Peak memory consumption was 83.5 MB. Max. memory is 7.1 GB. [2019-10-03 02:56:28,982 INFO L168 Benchmark]: TraceAbstraction took 4132.95 ms. Allocated memory was 260.6 MB in the beginning and 380.1 MB in the end (delta: 119.5 MB). Free memory was 140.6 MB in the beginning and 93.1 MB in the end (delta: 47.4 MB). Peak memory consumption was 167.0 MB. Max. memory is 7.1 GB. [2019-10-03 02:56:28,990 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 141.6 MB. Free memory was 107.7 MB in the beginning and 107.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1327.95 ms. Allocated memory was 141.6 MB in the beginning and 202.4 MB in the end (delta: 60.8 MB). Free memory was 86.4 MB in the beginning and 133.3 MB in the end (delta: -46.9 MB). Peak memory consumption was 30.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 174.30 ms. Allocated memory is still 202.4 MB. Free memory was 133.3 MB in the beginning and 124.5 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2382.41 ms. Allocated memory was 202.4 MB in the beginning and 260.6 MB in the end (delta: 58.2 MB). Free memory was 124.5 MB in the beginning and 140.6 MB in the end (delta: -16.0 MB). Peak memory consumption was 83.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4132.95 ms. Allocated memory was 260.6 MB in the beginning and 380.1 MB in the end (delta: 119.5 MB). Free memory was 140.6 MB in the beginning and 93.1 MB in the end (delta: 47.4 MB). Peak memory consumption was 167.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1975]: 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 116 procedures, 797 locations, 1 error locations. SAFE Result, 4.0s OverallTime, 8 OverallIterations, 3 TraceHistogramMax, 0.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4678 SDtfs, 624 SDslu, 3586 SDs, 0 SdLazy, 20 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 345 GetRequests, 339 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1141occurred in iteration=7, 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, 1.8170347003154574 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 8 MinimizatonAttempts, 5 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 1492 NumberOfCodeBlocks, 1492 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1484 ConstructedInterpolants, 0 QuantifiedInterpolants, 376073 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 7 PerfectInterpolantSequences, 303/314 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...