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_spec11_product27.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 02:39:28,828 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 02:39:28,830 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 02:39:28,847 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 02:39:28,848 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 02:39:28,849 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 02:39:28,852 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 02:39:28,854 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 02:39:28,856 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 02:39:28,857 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 02:39:28,858 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 02:39:28,859 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 02:39:28,859 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 02:39:28,860 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 02:39:28,861 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 02:39:28,862 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 02:39:28,863 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 02:39:28,864 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 02:39:28,866 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 02:39:28,868 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 02:39:28,869 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 02:39:28,871 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 02:39:28,872 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 02:39:28,873 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 02:39:28,875 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 02:39:28,876 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 02:39:28,876 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 02:39:28,877 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 02:39:28,877 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 02:39:28,878 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 02:39:28,879 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 02:39:28,879 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 02:39:28,880 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 02:39:28,881 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 02:39:28,882 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 02:39:28,883 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 02:39:28,883 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 02:39:28,883 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 02:39:28,884 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 02:39:28,885 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 02:39:28,885 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 02:39:28,886 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 02:39:28,901 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 02:39:28,902 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 02:39:28,902 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 02:39:28,904 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 02:39:28,905 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 02:39:28,905 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 02:39:28,905 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 02:39:28,905 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 02:39:28,906 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 02:39:28,906 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 02:39:28,906 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 02:39:28,907 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 02:39:28,907 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 02:39:28,907 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 02:39:28,909 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 02:39:28,910 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 02:39:28,910 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 02:39:28,910 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 02:39:28,910 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 02:39:28,910 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 02:39:28,911 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 02:39:28,911 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 02:39:28,911 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 02:39:28,911 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 02:39:28,911 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 02:39:28,912 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 02:39:28,912 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 02:39:28,912 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 02:39:28,912 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 02:39:28,912 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 02:39:28,945 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 02:39:28,958 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 02:39:28,961 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 02:39:28,963 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 02:39:28,963 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 02:39:28,964 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec11_product27.cil.c [2019-09-10 02:39:29,020 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6492df638/693e08467372498bb4d130cd9e03a98f/FLAGc76251319 [2019-09-10 02:39:29,619 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 02:39:29,620 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec11_product27.cil.c [2019-09-10 02:39:29,645 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6492df638/693e08467372498bb4d130cd9e03a98f/FLAGc76251319 [2019-09-10 02:39:30,041 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6492df638/693e08467372498bb4d130cd9e03a98f [2019-09-10 02:39:30,050 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 02:39:30,052 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 02:39:30,054 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 02:39:30,054 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 02:39:30,057 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 02:39:30,059 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:39:30" (1/1) ... [2019-09-10 02:39:30,061 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4587b159 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:39:30, skipping insertion in model container [2019-09-10 02:39:30,062 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:39:30" (1/1) ... [2019-09-10 02:39:30,072 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 02:39:30,168 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 02:39:30,853 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:39:30,879 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 02:39:30,989 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:39:31,080 INFO L192 MainTranslator]: Completed translation [2019-09-10 02:39:31,080 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:39:31 WrapperNode [2019-09-10 02:39:31,081 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 02:39:31,081 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 02:39:31,082 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 02:39:31,082 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 02:39:31,096 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:39:31" (1/1) ... [2019-09-10 02:39:31,097 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:39:31" (1/1) ... [2019-09-10 02:39:31,129 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:39:31" (1/1) ... [2019-09-10 02:39:31,129 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:39:31" (1/1) ... [2019-09-10 02:39:31,194 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:39:31" (1/1) ... [2019-09-10 02:39:31,218 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:39:31" (1/1) ... [2019-09-10 02:39:31,232 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:39:31" (1/1) ... [2019-09-10 02:39:31,251 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 02:39:31,252 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 02:39:31,252 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 02:39:31,252 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 02:39:31,254 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:39:31" (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 02:39:31,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 02:39:31,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 02:39:31,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-10 02:39:31,342 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-09-10 02:39:31,342 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-09-10 02:39:31,343 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-09-10 02:39:31,343 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-09-10 02:39:31,343 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-09-10 02:39:31,343 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-09-10 02:39:31,343 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-09-10 02:39:31,344 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-09-10 02:39:31,344 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-09-10 02:39:31,344 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-09-10 02:39:31,344 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-09-10 02:39:31,345 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-09-10 02:39:31,345 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-09-10 02:39:31,345 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-09-10 02:39:31,345 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-09-10 02:39:31,345 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-09-10 02:39:31,346 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-09-10 02:39:31,346 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-09-10 02:39:31,346 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-09-10 02:39:31,346 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-09-10 02:39:31,346 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-09-10 02:39:31,347 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-09-10 02:39:31,347 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-09-10 02:39:31,347 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-09-10 02:39:31,347 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-09-10 02:39:31,347 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-09-10 02:39:31,347 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-09-10 02:39:31,348 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-09-10 02:39:31,348 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-09-10 02:39:31,348 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-09-10 02:39:31,348 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-09-10 02:39:31,348 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2019-09-10 02:39:31,348 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-09-10 02:39:31,349 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-09-10 02:39:31,349 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Keys [2019-09-10 02:39:31,349 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-09-10 02:39:31,349 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-09-10 02:39:31,349 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-09-10 02:39:31,349 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-09-10 02:39:31,350 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-09-10 02:39:31,350 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-09-10 02:39:31,350 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-09-10 02:39:31,350 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-09-10 02:39:31,350 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-09-10 02:39:31,350 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-09-10 02:39:31,351 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-09-10 02:39:31,351 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-09-10 02:39:31,351 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-09-10 02:39:31,351 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-09-10 02:39:31,351 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-09-10 02:39:31,351 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-09-10 02:39:31,351 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-10 02:39:31,352 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-10 02:39:31,352 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-10 02:39:31,352 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-10 02:39:31,352 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-10 02:39:31,352 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2019-09-10 02:39:31,352 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2019-09-10 02:39:31,353 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-09-10 02:39:31,353 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-09-10 02:39:31,353 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-09-10 02:39:31,353 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-09-10 02:39:31,353 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-09-10 02:39:31,353 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-09-10 02:39:31,353 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-09-10 02:39:31,354 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-09-10 02:39:31,354 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-09-10 02:39:31,354 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-09-10 02:39:31,354 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-09-10 02:39:31,354 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-09-10 02:39:31,354 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-10 02:39:31,355 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 02:39:31,355 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-09-10 02:39:31,355 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-09-10 02:39:31,355 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-09-10 02:39:31,355 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-09-10 02:39:31,355 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-09-10 02:39:31,356 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-09-10 02:39:31,356 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-09-10 02:39:31,356 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-09-10 02:39:31,356 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-09-10 02:39:31,356 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-09-10 02:39:31,356 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-09-10 02:39:31,357 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-09-10 02:39:31,357 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-10 02:39:31,357 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-10 02:39:31,357 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-10 02:39:31,357 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-10 02:39:31,357 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-10 02:39:31,358 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-10 02:39:31,358 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-10 02:39:31,358 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-09-10 02:39:31,358 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptAutoResponder_spec__1 [2019-09-10 02:39:31,358 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-09-10 02:39:31,358 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-09-10 02:39:31,359 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-09-10 02:39:31,359 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-09-10 02:39:31,359 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-09-10 02:39:31,359 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-09-10 02:39:31,359 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-09-10 02:39:31,359 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-09-10 02:39:31,360 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-09-10 02:39:31,360 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-09-10 02:39:31,360 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-09-10 02:39:31,360 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-09-10 02:39:31,360 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-09-10 02:39:31,360 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-09-10 02:39:31,360 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-09-10 02:39:31,361 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-09-10 02:39:31,361 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-09-10 02:39:31,361 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-09-10 02:39:31,361 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-09-10 02:39:31,361 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-09-10 02:39:31,361 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-09-10 02:39:31,362 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 02:39:31,362 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-10 02:39:31,362 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-09-10 02:39:31,362 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-09-10 02:39:31,362 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-09-10 02:39:31,362 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-09-10 02:39:31,363 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-09-10 02:39:31,363 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-09-10 02:39:31,363 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-09-10 02:39:31,363 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-09-10 02:39:31,363 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-09-10 02:39:31,363 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-09-10 02:39:31,364 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-09-10 02:39:31,364 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-09-10 02:39:31,364 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-09-10 02:39:31,364 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-09-10 02:39:31,364 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-09-10 02:39:31,364 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-09-10 02:39:31,365 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-09-10 02:39:31,365 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-09-10 02:39:31,365 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-09-10 02:39:31,365 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-09-10 02:39:31,365 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-09-10 02:39:31,365 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-09-10 02:39:31,366 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-09-10 02:39:31,366 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-09-10 02:39:31,366 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-09-10 02:39:31,366 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-09-10 02:39:31,366 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-09-10 02:39:31,366 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-09-10 02:39:31,367 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-09-10 02:39:31,367 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-10 02:39:31,367 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-09-10 02:39:31,367 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-09-10 02:39:31,367 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-09-10 02:39:31,367 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-09-10 02:39:31,368 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-09-10 02:39:31,368 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-09-10 02:39:31,368 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-09-10 02:39:31,368 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-09-10 02:39:31,368 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-09-10 02:39:31,368 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-09-10 02:39:31,368 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-09-10 02:39:31,369 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-09-10 02:39:31,369 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-09-10 02:39:31,369 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-09-10 02:39:31,369 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-09-10 02:39:31,369 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-09-10 02:39:31,369 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-09-10 02:39:31,369 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-09-10 02:39:31,370 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-09-10 02:39:31,370 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-09-10 02:39:31,370 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-09-10 02:39:31,370 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-09-10 02:39:31,370 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-09-10 02:39:31,371 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-09-10 02:39:31,371 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-09-10 02:39:31,371 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-09-10 02:39:31,371 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-09-10 02:39:31,371 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-09-10 02:39:31,371 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-09-10 02:39:31,372 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-09-10 02:39:31,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-10 02:39:31,372 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-09-10 02:39:31,372 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2019-09-10 02:39:31,372 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Keys [2019-09-10 02:39:31,372 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-09-10 02:39:31,373 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-09-10 02:39:31,373 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptAutoResponder_spec__1 [2019-09-10 02:39:31,373 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-10 02:39:31,373 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-10 02:39:31,373 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-10 02:39:31,373 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-10 02:39:31,374 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-10 02:39:31,374 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-09-10 02:39:31,374 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-09-10 02:39:31,374 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-09-10 02:39:31,375 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2019-09-10 02:39:31,375 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2019-09-10 02:39:31,375 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-09-10 02:39:31,375 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-09-10 02:39:31,375 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-09-10 02:39:31,375 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-09-10 02:39:31,376 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-09-10 02:39:31,376 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-10 02:39:31,376 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-10 02:39:31,376 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 02:39:31,376 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-09-10 02:39:31,377 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-09-10 02:39:31,377 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-09-10 02:39:31,377 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-09-10 02:39:31,377 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-09-10 02:39:31,377 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-09-10 02:39:31,378 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-09-10 02:39:31,378 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-09-10 02:39:31,378 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-09-10 02:39:31,378 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-09-10 02:39:31,378 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-09-10 02:39:31,378 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-09-10 02:39:31,379 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-09-10 02:39:31,379 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-09-10 02:39:31,379 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-09-10 02:39:31,379 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-10 02:39:31,379 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-10 02:39:31,380 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-10 02:39:31,380 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-10 02:39:31,380 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-10 02:39:31,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-10 02:39:31,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-10 02:39:31,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-10 02:39:31,381 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-10 02:39:31,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-10 02:39:31,381 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-10 02:39:31,381 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-10 02:39:31,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-10 02:39:31,382 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-10 02:39:31,382 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-10 02:39:31,382 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-10 02:39:31,382 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-09-10 02:39:31,382 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-09-10 02:39:31,382 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-09-10 02:39:31,382 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-09-10 02:39:31,383 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-09-10 02:39:31,383 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-09-10 02:39:31,383 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-09-10 02:39:31,383 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-09-10 02:39:31,383 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-09-10 02:39:31,383 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-09-10 02:39:31,384 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-09-10 02:39:31,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 02:39:31,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-10 02:39:31,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 02:39:33,701 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 02:39:33,701 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-10 02:39:33,704 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:39:33 BoogieIcfgContainer [2019-09-10 02:39:33,704 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 02:39:33,705 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 02:39:33,705 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 02:39:33,709 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 02:39:33,709 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 02:39:30" (1/3) ... [2019-09-10 02:39:33,710 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@338bbc29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:39:33, skipping insertion in model container [2019-09-10 02:39:33,710 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:39:31" (2/3) ... [2019-09-10 02:39:33,711 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@338bbc29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:39:33, skipping insertion in model container [2019-09-10 02:39:33,711 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:39:33" (3/3) ... [2019-09-10 02:39:33,714 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec11_product27.cil.c [2019-09-10 02:39:33,726 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 02:39:33,743 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 02:39:33,763 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 02:39:33,806 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 02:39:33,806 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 02:39:33,811 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 02:39:33,811 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 02:39:33,812 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 02:39:33,812 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 02:39:33,819 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 02:39:33,819 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 02:39:33,863 INFO L276 IsEmpty]: Start isEmpty. Operand 616 states. [2019-09-10 02:39:33,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2019-09-10 02:39:33,906 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:39:33,910 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2019-09-10 02:39:33,915 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:39:33,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:39:33,921 INFO L82 PathProgramCache]: Analyzing trace with hash -432350805, now seen corresponding path program 1 times [2019-09-10 02:39:33,924 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:39:33,972 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:39:33,972 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:39:33,973 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:39:33,973 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:39:34,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:39:34,714 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-09-10 02:39:34,717 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:39:34,717 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-10 02:39:34,717 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:39:34,725 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 02:39:34,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 02:39:34,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:39:34,743 INFO L87 Difference]: Start difference. First operand 616 states. Second operand 2 states. [2019-09-10 02:39:34,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:39:34,807 INFO L93 Difference]: Finished difference Result 596 states and 806 transitions. [2019-09-10 02:39:34,807 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 02:39:34,809 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 188 [2019-09-10 02:39:34,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:39:34,837 INFO L225 Difference]: With dead ends: 596 [2019-09-10 02:39:34,837 INFO L226 Difference]: Without dead ends: 587 [2019-09-10 02:39:34,841 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 02:39:34,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 587 states. [2019-09-10 02:39:34,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 587 to 587. [2019-09-10 02:39:34,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 587 states. [2019-09-10 02:39:34,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 795 transitions. [2019-09-10 02:39:34,952 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 795 transitions. Word has length 188 [2019-09-10 02:39:34,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:39:34,955 INFO L475 AbstractCegarLoop]: Abstraction has 587 states and 795 transitions. [2019-09-10 02:39:34,955 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 02:39:34,955 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 795 transitions. [2019-09-10 02:39:34,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2019-09-10 02:39:34,961 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:39:34,962 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2019-09-10 02:39:34,965 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:39:34,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:39:34,966 INFO L82 PathProgramCache]: Analyzing trace with hash -232885179, now seen corresponding path program 1 times [2019-09-10 02:39:34,966 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:39:34,970 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:39:34,970 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:39:34,970 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:39:34,970 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:39:35,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:39:35,200 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-09-10 02:39:35,200 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:39:35,201 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:39:35,201 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:39:35,203 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:39:35,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:39:35,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:39:35,204 INFO L87 Difference]: Start difference. First operand 587 states and 795 transitions. Second operand 3 states. [2019-09-10 02:39:35,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:39:35,272 INFO L93 Difference]: Finished difference Result 590 states and 798 transitions. [2019-09-10 02:39:35,273 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:39:35,274 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 189 [2019-09-10 02:39:35,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:39:35,287 INFO L225 Difference]: With dead ends: 590 [2019-09-10 02:39:35,287 INFO L226 Difference]: Without dead ends: 590 [2019-09-10 02:39:35,288 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 02:39:35,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 590 states. [2019-09-10 02:39:35,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 590 to 589. [2019-09-10 02:39:35,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 589 states. [2019-09-10 02:39:35,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 589 states and 797 transitions. [2019-09-10 02:39:35,337 INFO L78 Accepts]: Start accepts. Automaton has 589 states and 797 transitions. Word has length 189 [2019-09-10 02:39:35,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:39:35,340 INFO L475 AbstractCegarLoop]: Abstraction has 589 states and 797 transitions. [2019-09-10 02:39:35,340 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:39:35,340 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 797 transitions. [2019-09-10 02:39:35,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2019-09-10 02:39:35,348 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:39:35,348 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2019-09-10 02:39:35,348 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:39:35,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:39:35,349 INFO L82 PathProgramCache]: Analyzing trace with hash -1757370762, now seen corresponding path program 1 times [2019-09-10 02:39:35,349 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:39:35,350 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:39:35,351 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:39:35,351 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:39:35,351 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:39:35,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:39:35,620 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-09-10 02:39:35,621 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:39:35,621 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:39:35,621 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:39:35,624 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:39:35,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:39:35,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:39:35,626 INFO L87 Difference]: Start difference. First operand 589 states and 797 transitions. Second operand 3 states. [2019-09-10 02:39:35,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:39:35,674 INFO L93 Difference]: Finished difference Result 634 states and 873 transitions. [2019-09-10 02:39:35,674 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:39:35,675 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 201 [2019-09-10 02:39:35,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:39:35,682 INFO L225 Difference]: With dead ends: 634 [2019-09-10 02:39:35,682 INFO L226 Difference]: Without dead ends: 634 [2019-09-10 02:39:35,682 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 02:39:35,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 634 states. [2019-09-10 02:39:35,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 634 to 633. [2019-09-10 02:39:35,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 633 states. [2019-09-10 02:39:35,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 633 states and 872 transitions. [2019-09-10 02:39:35,719 INFO L78 Accepts]: Start accepts. Automaton has 633 states and 872 transitions. Word has length 201 [2019-09-10 02:39:35,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:39:35,722 INFO L475 AbstractCegarLoop]: Abstraction has 633 states and 872 transitions. [2019-09-10 02:39:35,722 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:39:35,722 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 872 transitions. [2019-09-10 02:39:35,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2019-09-10 02:39:35,729 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:39:35,730 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2019-09-10 02:39:35,730 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:39:35,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:39:35,731 INFO L82 PathProgramCache]: Analyzing trace with hash 1570043646, now seen corresponding path program 1 times [2019-09-10 02:39:35,731 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:39:35,732 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:39:35,733 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:39:35,735 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:39:35,735 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:39:35,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:39:35,895 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-09-10 02:39:35,896 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:39:35,896 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:39:35,896 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:39:35,897 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:39:35,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:39:35,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:39:35,898 INFO L87 Difference]: Start difference. First operand 633 states and 872 transitions. Second operand 3 states. [2019-09-10 02:39:35,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:39:35,923 INFO L93 Difference]: Finished difference Result 719 states and 1017 transitions. [2019-09-10 02:39:35,924 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:39:35,924 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 202 [2019-09-10 02:39:35,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:39:35,929 INFO L225 Difference]: With dead ends: 719 [2019-09-10 02:39:35,930 INFO L226 Difference]: Without dead ends: 719 [2019-09-10 02:39:35,930 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 02:39:35,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 719 states. [2019-09-10 02:39:35,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 719 to 718. [2019-09-10 02:39:35,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 718 states. [2019-09-10 02:39:35,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 718 states to 718 states and 1016 transitions. [2019-09-10 02:39:35,961 INFO L78 Accepts]: Start accepts. Automaton has 718 states and 1016 transitions. Word has length 202 [2019-09-10 02:39:35,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:39:35,962 INFO L475 AbstractCegarLoop]: Abstraction has 718 states and 1016 transitions. [2019-09-10 02:39:35,962 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:39:35,962 INFO L276 IsEmpty]: Start isEmpty. Operand 718 states and 1016 transitions. [2019-09-10 02:39:35,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2019-09-10 02:39:35,967 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:39:35,968 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:39:35,968 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:39:35,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:39:35,968 INFO L82 PathProgramCache]: Analyzing trace with hash -139115878, now seen corresponding path program 1 times [2019-09-10 02:39:35,969 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:39:35,969 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:39:35,970 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:39:35,970 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:39:35,970 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:39:36,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:39:36,316 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-09-10 02:39:36,317 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 02:39:36,317 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-10 02:39:36,319 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 206 with the following transitions: [2019-09-10 02:39:36,322 INFO L207 CegarAbsIntRunner]: [44], [72], [75], [85], [119], [122], [132], [133], [149], [152], [166], [167], [169], [279], [282], [283], [284], [287], [293], [315], [318], [321], [327], [329], [343], [346], [355], [356], [357], [358], [360], [361], [364], [374], [375], [376], [387], [389], [394], [414], [416], [428], [450], [452], [641], [643], [644], [645], [683], [686], [700], [739], [741], [744], [745], [756], [758], [761], [765], [789], [793], [796], [804], [807], [815], [837], [843], [852], [856], [858], [860], [863], [870], [877], [880], [882], [1020], [1022], [1039], [1043], [1046], [1060], [1168], [1240], [1244], [1255], [1258], [1299], [1301], [1370], [1373], [1383], [1414], [1417], [1431], [1437], [1440], [1449], [1643], [1645], [1647], [1649], [1650], [1654], [1656], [1665], [1691], [1701], [1702], [1703], [1704], [1705], [1706], [1709], [1710], [1711], [1712], [1719], [1720], [1721], [1722], [1723], [1725], [1726], [1727], [1728], [1729], [1735], [1736], [1741], [1742], [1743], [1745], [1746], [1759], [1760], [1781], [1782], [1797], [1798], [1799], [1801], [1802], [1807], [1808], [1809], [1810], [1811], [1812], [1813], [1814], [1815], [1817], [1818], [1819], [1820], [1827], [1835], [1836], [1837], [1843], [1844], [1863], [1865], [1866], [1883], [1885], [1886], [1887], [1889], [1890], [1891], [1892], [1893], [1894], [1895], [1915], [1916], [1917], [1918], [1919], [1920], [1921], [1922], [1923], [1925], [1926] [2019-09-10 02:39:36,430 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-10 02:39:36,430 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-10 02:39:36,653 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-10 02:39:36,655 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 271 root evaluator evaluations with a maximum evaluation depth of 0. Performed 271 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 376 variables. [2019-09-10 02:39:36,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:39:36,661 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-10 02:39:36,794 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-09-10 02:39:36,795 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-10 02:39:36,803 INFO L420 sIntCurrentIteration]: We unified 204 AI predicates to 204 [2019-09-10 02:39:36,803 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-10 02:39:36,804 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-10 02:39:36,804 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [8] total 8 [2019-09-10 02:39:36,805 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:39:36,806 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 02:39:36,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 02:39:36,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:39:36,808 INFO L87 Difference]: Start difference. First operand 718 states and 1016 transitions. Second operand 2 states. [2019-09-10 02:39:36,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:39:36,808 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-09-10 02:39:36,808 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 02:39:36,808 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 205 [2019-09-10 02:39:36,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:39:36,809 INFO L225 Difference]: With dead ends: 2 [2019-09-10 02:39:36,809 INFO L226 Difference]: Without dead ends: 0 [2019-09-10 02:39:36,809 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 204 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 02:39:36,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-10 02:39:36,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-10 02:39:36,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-10 02:39:36,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-10 02:39:36,810 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 205 [2019-09-10 02:39:36,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:39:36,810 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-10 02:39:36,811 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 02:39:36,811 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-10 02:39:36,811 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-10 02:39:36,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 02:39:36 BoogieIcfgContainer [2019-09-10 02:39:36,819 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-10 02:39:36,822 INFO L168 Benchmark]: Toolchain (without parser) took 6768.48 ms. Allocated memory was 134.7 MB in the beginning and 330.8 MB in the end (delta: 196.1 MB). Free memory was 86.5 MB in the beginning and 218.2 MB in the end (delta: -131.8 MB). Peak memory consumption was 64.3 MB. Max. memory is 7.1 GB. [2019-09-10 02:39:36,824 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 134.7 MB. Free memory was 108.0 MB in the beginning and 107.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-10 02:39:36,825 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1027.47 ms. Allocated memory was 134.7 MB in the beginning and 200.3 MB in the end (delta: 65.5 MB). Free memory was 86.3 MB in the beginning and 128.6 MB in the end (delta: -42.4 MB). Peak memory consumption was 34.2 MB. Max. memory is 7.1 GB. [2019-09-10 02:39:36,827 INFO L168 Benchmark]: Boogie Preprocessor took 170.11 ms. Allocated memory is still 200.3 MB. Free memory was 128.6 MB in the beginning and 119.6 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. [2019-09-10 02:39:36,829 INFO L168 Benchmark]: RCFGBuilder took 2451.88 ms. Allocated memory was 200.3 MB in the beginning and 262.1 MB in the end (delta: 61.9 MB). Free memory was 119.6 MB in the beginning and 152.5 MB in the end (delta: -32.9 MB). Peak memory consumption was 80.3 MB. Max. memory is 7.1 GB. [2019-09-10 02:39:36,830 INFO L168 Benchmark]: TraceAbstraction took 3113.62 ms. Allocated memory was 262.1 MB in the beginning and 330.8 MB in the end (delta: 68.7 MB). Free memory was 152.5 MB in the beginning and 218.2 MB in the end (delta: -65.8 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2019-09-10 02:39:36,841 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 134.7 MB. Free memory was 108.0 MB in the beginning and 107.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1027.47 ms. Allocated memory was 134.7 MB in the beginning and 200.3 MB in the end (delta: 65.5 MB). Free memory was 86.3 MB in the beginning and 128.6 MB in the end (delta: -42.4 MB). Peak memory consumption was 34.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 170.11 ms. Allocated memory is still 200.3 MB. Free memory was 128.6 MB in the beginning and 119.6 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2451.88 ms. Allocated memory was 200.3 MB in the beginning and 262.1 MB in the end (delta: 61.9 MB). Free memory was 119.6 MB in the beginning and 152.5 MB in the end (delta: -32.9 MB). Peak memory consumption was 80.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3113.62 ms. Allocated memory was 262.1 MB in the beginning and 330.8 MB in the end (delta: 68.7 MB). Free memory was 152.5 MB in the beginning and 218.2 MB in the end (delta: -65.8 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1520]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 117 procedures, 795 locations, 1 error locations. SAFE Result, 3.0s OverallTime, 5 OverallIterations, 3 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3218 SDtfs, 107 SDslu, 2367 SDs, 0 SdLazy, 11 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 215 GetRequests, 212 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=718occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.3s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 2.1911764705882355 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 3 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 985 NumberOfCodeBlocks, 985 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 980 ConstructedInterpolants, 0 QuantifiedInterpolants, 200358 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 4 PerfectInterpolantSequences, 155/157 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...