/usr/bin/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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/email_spec1_product28.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-06 21:40:58,128 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-06 21:40:58,130 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-06 21:40:58,144 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-06 21:40:58,144 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-06 21:40:58,145 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-06 21:40:58,147 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-06 21:40:58,149 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-06 21:40:58,151 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-06 21:40:58,151 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-06 21:40:58,152 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-06 21:40:58,154 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-06 21:40:58,154 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-06 21:40:58,155 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-06 21:40:58,156 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-06 21:40:58,157 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-06 21:40:58,158 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-06 21:40:58,159 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-06 21:40:58,161 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-06 21:40:58,163 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-06 21:40:58,165 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-06 21:40:58,166 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-06 21:40:58,167 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-06 21:40:58,168 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-06 21:40:58,171 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-06 21:40:58,171 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-06 21:40:58,171 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-06 21:40:58,172 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-06 21:40:58,173 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-06 21:40:58,174 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-06 21:40:58,174 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-06 21:40:58,175 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-06 21:40:58,176 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-06 21:40:58,177 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-06 21:40:58,178 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-06 21:40:58,179 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-06 21:40:58,180 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-06 21:40:58,180 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-06 21:40:58,180 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-06 21:40:58,181 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-06 21:40:58,182 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-06 21:40:58,183 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-06 21:40:58,197 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-06 21:40:58,198 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-06 21:40:58,201 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-06 21:40:58,201 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-06 21:40:58,201 INFO L138 SettingsManager]: * Use SBE=true [2019-11-06 21:40:58,201 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-06 21:40:58,202 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-06 21:40:58,203 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-06 21:40:58,203 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-06 21:40:58,203 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-06 21:40:58,203 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-06 21:40:58,204 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-06 21:40:58,204 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-06 21:40:58,204 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-06 21:40:58,204 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-06 21:40:58,204 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-06 21:40:58,205 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-06 21:40:58,205 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-06 21:40:58,205 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-06 21:40:58,205 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-06 21:40:58,205 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-06 21:40:58,206 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 21:40:58,206 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-06 21:40:58,206 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-06 21:40:58,206 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-06 21:40:58,206 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-06 21:40:58,207 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-06 21:40:58,207 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-06 21:40:58,207 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-06 21:40:58,481 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-06 21:40:58,494 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-06 21:40:58,497 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-06 21:40:58,499 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-06 21:40:58,499 INFO L275 PluginConnector]: CDTParser initialized [2019-11-06 21:40:58,500 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec1_product28.cil.c [2019-11-06 21:40:58,560 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b41e249cc/efe2fae1f99545b4b8d3acf9d767a56d/FLAG7c1915dea [2019-11-06 21:40:59,191 INFO L306 CDTParser]: Found 1 translation units. [2019-11-06 21:40:59,193 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec1_product28.cil.c [2019-11-06 21:40:59,225 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b41e249cc/efe2fae1f99545b4b8d3acf9d767a56d/FLAG7c1915dea [2019-11-06 21:40:59,390 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b41e249cc/efe2fae1f99545b4b8d3acf9d767a56d [2019-11-06 21:40:59,397 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-06 21:40:59,399 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-06 21:40:59,400 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-06 21:40:59,400 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-06 21:40:59,403 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-06 21:40:59,404 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:40:59" (1/1) ... [2019-11-06 21:40:59,407 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71143ccb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:40:59, skipping insertion in model container [2019-11-06 21:40:59,408 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:40:59" (1/1) ... [2019-11-06 21:40:59,415 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-06 21:40:59,502 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-06 21:41:00,320 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 21:41:00,339 INFO L188 MainTranslator]: Completed pre-run [2019-11-06 21:41:00,497 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 21:41:00,614 INFO L192 MainTranslator]: Completed translation [2019-11-06 21:41:00,615 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:41:00 WrapperNode [2019-11-06 21:41:00,615 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-06 21:41:00,616 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-06 21:41:00,616 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-06 21:41:00,617 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-06 21:41:00,631 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:41:00" (1/1) ... [2019-11-06 21:41:00,631 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:41:00" (1/1) ... [2019-11-06 21:41:00,690 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:41:00" (1/1) ... [2019-11-06 21:41:00,690 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:41:00" (1/1) ... [2019-11-06 21:41:00,773 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:41:00" (1/1) ... [2019-11-06 21:41:00,810 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:41:00" (1/1) ... [2019-11-06 21:41:00,831 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:41:00" (1/1) ... [2019-11-06 21:41:00,851 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-06 21:41:00,852 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-06 21:41:00,852 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-06 21:41:00,852 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-06 21:41:00,854 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:41:00" (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 [2019-11-06 21:41:00,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-06 21:41:00,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-06 21:41:00,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-06 21:41:00,927 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-11-06 21:41:00,927 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-11-06 21:41:00,927 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-11-06 21:41:00,928 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-11-06 21:41:00,928 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-11-06 21:41:00,928 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-11-06 21:41:00,928 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-11-06 21:41:00,929 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-11-06 21:41:00,929 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-11-06 21:41:00,929 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-11-06 21:41:00,929 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-11-06 21:41:00,930 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-11-06 21:41:00,930 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-11-06 21:41:00,930 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-11-06 21:41:00,930 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-11-06 21:41:00,931 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-11-06 21:41:00,931 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-11-06 21:41:00,931 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-11-06 21:41:00,932 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-11-06 21:41:00,932 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-11-06 21:41:00,932 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-11-06 21:41:00,932 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-11-06 21:41:00,933 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-11-06 21:41:00,933 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-11-06 21:41:00,933 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-11-06 21:41:00,933 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-11-06 21:41:00,933 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-11-06 21:41:00,934 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-11-06 21:41:00,934 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-11-06 21:41:00,934 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-06 21:41:00,934 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-06 21:41:00,934 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-06 21:41:00,935 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-06 21:41:00,935 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-06 21:41:00,935 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-06 21:41:00,935 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-11-06 21:41:00,935 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-06 21:41:00,935 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-06 21:41:00,936 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-06 21:41:00,936 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-06 21:41:00,936 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__AddressBookEncrypt_spec__1 [2019-11-06 21:41:00,936 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-11-06 21:41:00,936 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Encrypt [2019-11-06 21:41:00,936 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2019-11-06 21:41:00,937 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-11-06 21:41:00,937 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-11-06 21:41:00,937 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-11-06 21:41:00,937 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-11-06 21:41:00,937 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-11-06 21:41:00,938 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-11-06 21:41:00,938 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-11-06 21:41:00,938 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-11-06 21:41:00,938 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-11-06 21:41:00,938 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-11-06 21:41:00,939 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-11-06 21:41:00,939 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-11-06 21:41:00,939 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-11-06 21:41:00,939 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-06 21:41:00,939 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-06 21:41:00,940 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-11-06 21:41:00,940 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-11-06 21:41:00,940 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-11-06 21:41:00,940 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-11-06 21:41:00,940 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-11-06 21:41:00,941 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-11-06 21:41:00,941 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-11-06 21:41:00,941 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-11-06 21:41:00,941 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-11-06 21:41:00,941 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-06 21:41:00,942 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-06 21:41:00,942 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-11-06 21:41:00,942 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-11-06 21:41:00,942 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-11-06 21:41:00,942 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-11-06 21:41:00,942 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-11-06 21:41:00,943 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-11-06 21:41:00,943 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-11-06 21:41:00,943 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-11-06 21:41:00,943 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-11-06 21:41:00,943 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-11-06 21:41:00,944 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-11-06 21:41:00,944 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-11-06 21:41:00,944 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-11-06 21:41:00,944 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-11-06 21:41:00,944 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-11-06 21:41:00,945 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-11-06 21:41:00,945 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-11-06 21:41:00,945 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-11-06 21:41:00,945 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-11-06 21:41:00,945 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-11-06 21:41:00,945 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-11-06 21:41:00,946 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-11-06 21:41:00,946 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-11-06 21:41:00,946 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2019-11-06 21:41:00,946 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-11-06 21:41:00,946 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-11-06 21:41:00,947 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-11-06 21:41:00,947 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-11-06 21:41:00,947 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-11-06 21:41:00,947 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-11-06 21:41:00,947 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-11-06 21:41:00,947 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-11-06 21:41:00,948 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-11-06 21:41:00,948 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-11-06 21:41:00,948 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-11-06 21:41:00,948 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-11-06 21:41:00,948 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-11-06 21:41:00,948 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-11-06 21:41:00,948 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-11-06 21:41:00,949 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-06 21:41:00,949 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-06 21:41:00,949 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-11-06 21:41:00,949 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-11-06 21:41:00,949 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-11-06 21:41:00,949 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-11-06 21:41:00,950 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-11-06 21:41:00,950 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-11-06 21:41:00,950 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-11-06 21:41:00,950 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-11-06 21:41:00,950 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-11-06 21:41:00,950 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-11-06 21:41:00,950 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-11-06 21:41:00,951 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-11-06 21:41:00,951 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-11-06 21:41:00,951 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-11-06 21:41:00,951 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-11-06 21:41:00,951 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-11-06 21:41:00,951 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-11-06 21:41:00,952 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-11-06 21:41:00,952 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-11-06 21:41:00,952 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-11-06 21:41:00,952 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-11-06 21:41:00,952 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-11-06 21:41:00,952 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-11-06 21:41:00,952 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-11-06 21:41:00,953 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-11-06 21:41:00,953 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-11-06 21:41:00,953 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-11-06 21:41:00,953 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-11-06 21:41:00,953 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-11-06 21:41:00,953 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-06 21:41:00,954 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-06 21:41:00,954 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-06 21:41:00,954 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-06 21:41:00,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-06 21:41:00,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-06 21:41:00,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-06 21:41:00,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-06 21:41:00,955 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-06 21:41:00,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-06 21:41:00,955 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-06 21:41:00,955 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-06 21:41:00,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-06 21:41:00,955 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-06 21:41:00,956 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-06 21:41:00,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-06 21:41:00,956 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-06 21:41:00,956 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-06 21:41:00,956 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-11-06 21:41:00,956 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-06 21:41:00,956 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-06 21:41:00,957 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-06 21:41:00,957 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-06 21:41:00,957 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-06 21:41:00,957 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-06 21:41:00,957 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-11-06 21:41:00,957 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__AddressBookEncrypt_spec__1 [2019-11-06 21:41:00,957 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-11-06 21:41:00,957 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-11-06 21:41:00,958 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-11-06 21:41:00,958 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-11-06 21:41:00,958 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-11-06 21:41:00,958 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-11-06 21:41:00,958 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-11-06 21:41:00,958 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-11-06 21:41:00,958 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-11-06 21:41:00,958 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-11-06 21:41:00,959 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-11-06 21:41:00,959 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-11-06 21:41:00,959 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-11-06 21:41:00,959 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-11-06 21:41:00,959 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Encrypt [2019-11-06 21:41:00,959 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2019-11-06 21:41:00,959 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-11-06 21:41:00,960 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-11-06 21:41:00,960 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-11-06 21:41:00,960 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-11-06 21:41:00,960 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-11-06 21:41:00,960 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-11-06 21:41:00,960 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-11-06 21:41:00,960 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-11-06 21:41:00,961 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-11-06 21:41:00,961 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-11-06 21:41:00,961 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-11-06 21:41:00,961 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-11-06 21:41:00,961 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-06 21:41:00,961 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-06 21:41:00,961 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-06 21:41:00,962 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-11-06 21:41:00,962 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-11-06 21:41:00,962 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-11-06 21:41:00,962 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-11-06 21:41:00,962 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-11-06 21:41:00,962 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-11-06 21:41:00,962 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-11-06 21:41:00,962 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-11-06 21:41:00,963 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-11-06 21:41:00,963 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-11-06 21:41:00,963 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-11-06 21:41:00,963 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-11-06 21:41:00,963 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-11-06 21:41:00,963 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-11-06 21:41:00,963 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-11-06 21:41:00,964 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-11-06 21:41:00,964 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-11-06 21:41:00,964 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-11-06 21:41:00,964 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-11-06 21:41:00,964 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-11-06 21:41:00,964 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-11-06 21:41:00,964 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-11-06 21:41:00,965 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-11-06 21:41:00,965 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-11-06 21:41:00,965 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-11-06 21:41:00,965 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-11-06 21:41:00,965 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-11-06 21:41:00,965 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-11-06 21:41:00,965 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-11-06 21:41:00,966 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-11-06 21:41:00,966 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-11-06 21:41:00,966 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-11-06 21:41:00,966 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2019-11-06 21:41:00,966 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-11-06 21:41:00,966 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-11-06 21:41:00,966 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-06 21:41:00,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-06 21:41:00,967 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-06 21:41:03,267 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-06 21:41:03,268 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-06 21:41:03,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:41:03 BoogieIcfgContainer [2019-11-06 21:41:03,270 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-06 21:41:03,271 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-06 21:41:03,271 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-06 21:41:03,274 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-06 21:41:03,275 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:40:59" (1/3) ... [2019-11-06 21:41:03,276 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21c0511e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:41:03, skipping insertion in model container [2019-11-06 21:41:03,276 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:41:00" (2/3) ... [2019-11-06 21:41:03,277 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21c0511e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:41:03, skipping insertion in model container [2019-11-06 21:41:03,277 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:41:03" (3/3) ... [2019-11-06 21:41:03,279 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec1_product28.cil.c [2019-11-06 21:41:03,290 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-06 21:41:03,302 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-06 21:41:03,313 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-06 21:41:03,350 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-06 21:41:03,350 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-06 21:41:03,350 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-06 21:41:03,350 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-06 21:41:03,350 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-06 21:41:03,350 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-06 21:41:03,351 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-06 21:41:03,351 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-06 21:41:03,389 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states. [2019-11-06 21:41:03,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2019-11-06 21:41:03,422 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:41:03,423 INFO L410 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] [2019-11-06 21:41:03,426 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:41:03,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:41:03,435 INFO L82 PathProgramCache]: Analyzing trace with hash 90339027, now seen corresponding path program 1 times [2019-11-06 21:41:03,445 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:41:03,446 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86838546] [2019-11-06 21:41:03,453 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:41:03,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:41:05,893 WARN L191 SmtUtils]: Spent 1.75 s on a formula simplification that was a NOOP. DAG size: 550 [2019-11-06 21:41:05,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:41:05,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:41:05,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:41:05,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:41:05,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:41:06,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:41:06,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:41:06,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:41:06,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:41:06,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:41:06,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:41:06,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:41:06,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:41:06,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:41:06,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:41:06,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:41:06,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:41:06,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:41:06,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:41:06,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:41:06,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:41:06,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:41:06,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:41:06,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:41:06,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:41:06,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:41:06,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:41:06,319 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-11-06 21:41:06,320 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86838546] [2019-11-06 21:41:06,320 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 21:41:06,321 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-11-06 21:41:06,322 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214008903] [2019-11-06 21:41:06,327 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-06 21:41:06,327 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:41:06,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-06 21:41:06,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2019-11-06 21:41:06,344 INFO L87 Difference]: Start difference. First operand 509 states. Second operand 11 states. [2019-11-06 21:41:22,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 21:41:22,578 INFO L93 Difference]: Finished difference Result 1190 states and 1774 transitions. [2019-11-06 21:41:22,578 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2019-11-06 21:41:22,580 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 158 [2019-11-06 21:41:22,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 21:41:22,609 INFO L225 Difference]: With dead ends: 1190 [2019-11-06 21:41:22,610 INFO L226 Difference]: Without dead ends: 789 [2019-11-06 21:41:22,619 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 468 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=419, Invalid=1303, Unknown=0, NotChecked=0, Total=1722 [2019-11-06 21:41:22,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 789 states. [2019-11-06 21:41:22,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 789 to 458. [2019-11-06 21:41:22,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 458 states. [2019-11-06 21:41:22,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 611 transitions. [2019-11-06 21:41:22,956 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 611 transitions. Word has length 158 [2019-11-06 21:41:22,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 21:41:22,957 INFO L462 AbstractCegarLoop]: Abstraction has 458 states and 611 transitions. [2019-11-06 21:41:22,957 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-06 21:41:22,957 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 611 transitions. [2019-11-06 21:41:22,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2019-11-06 21:41:22,961 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:41:22,961 INFO L410 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] [2019-11-06 21:41:22,962 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:41:22,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:41:22,962 INFO L82 PathProgramCache]: Analyzing trace with hash -2056663134, now seen corresponding path program 1 times [2019-11-06 21:41:22,962 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:41:22,963 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283068859] [2019-11-06 21:41:22,963 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:41:23,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:41:24,601 WARN L191 SmtUtils]: Spent 1.47 s on a formula simplification that was a NOOP. DAG size: 550 [2019-11-06 21:41:24,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:41:24,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:41:24,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:41:24,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:41:24,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:41:24,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:41:24,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:41:24,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:41:24,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:41:24,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:41:24,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:41:24,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:41:24,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:41:24,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:41:24,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:41:24,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:41:24,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:41:24,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:41:24,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:41:24,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:41:24,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:41:24,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:41:24,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:41:24,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:41:24,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:41:24,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:41:24,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:41:24,977 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-11-06 21:41:24,977 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283068859] [2019-11-06 21:41:24,977 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 21:41:24,978 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-11-06 21:41:24,978 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024763198] [2019-11-06 21:41:24,992 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-11-06 21:41:24,992 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:41:24,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-11-06 21:41:24,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2019-11-06 21:41:24,993 INFO L87 Difference]: Start difference. First operand 458 states and 611 transitions. Second operand 12 states. [2019-11-06 21:41:30,041 WARN L191 SmtUtils]: Spent 1.45 s on a formula simplification that was a NOOP. DAG size: 553