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_spec27_product13.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-14 23:26:22,902 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 23:26:22,905 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 23:26:22,917 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 23:26:22,917 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 23:26:22,918 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 23:26:22,919 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 23:26:22,921 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 23:26:22,923 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 23:26:22,924 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 23:26:22,925 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 23:26:22,926 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 23:26:22,926 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 23:26:22,927 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 23:26:22,928 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 23:26:22,929 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 23:26:22,930 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 23:26:22,931 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 23:26:22,932 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 23:26:22,934 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 23:26:22,936 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 23:26:22,937 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 23:26:22,938 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 23:26:22,939 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 23:26:22,941 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 23:26:22,942 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 23:26:22,942 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 23:26:22,943 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 23:26:22,943 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 23:26:22,944 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 23:26:22,945 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 23:26:22,945 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 23:26:22,946 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 23:26:22,947 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 23:26:22,948 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 23:26:22,948 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 23:26:22,949 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 23:26:22,949 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 23:26:22,949 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 23:26:22,950 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 23:26:22,950 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 23:26:22,951 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 [2019-10-14 23:26:22,965 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 23:26:22,965 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 23:26:22,967 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 23:26:22,967 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 23:26:22,968 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 23:26:22,968 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 23:26:22,969 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 23:26:22,969 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 23:26:22,969 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 23:26:22,969 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 23:26:22,969 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 23:26:22,969 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 23:26:22,970 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 23:26:22,970 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 23:26:22,970 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 23:26:22,970 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 23:26:22,970 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 23:26:22,971 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 23:26:22,971 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 23:26:22,971 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 23:26:22,971 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 23:26:22,971 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 23:26:22,972 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 23:26:22,972 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 23:26:22,972 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 23:26:22,974 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 23:26:22,974 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 23:26:22,974 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 23:26:22,974 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-14 23:26:23,244 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 23:26:23,257 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 23:26:23,260 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 23:26:23,262 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 23:26:23,262 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 23:26:23,263 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec27_product13.cil.c [2019-10-14 23:26:23,324 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b739db460/1925af9cb0114b55970f0aa5558486f3/FLAGe9e7659c4 [2019-10-14 23:26:23,917 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 23:26:23,918 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec27_product13.cil.c [2019-10-14 23:26:23,949 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b739db460/1925af9cb0114b55970f0aa5558486f3/FLAGe9e7659c4 [2019-10-14 23:26:24,191 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b739db460/1925af9cb0114b55970f0aa5558486f3 [2019-10-14 23:26:24,202 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 23:26:24,207 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 23:26:24,208 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 23:26:24,209 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 23:26:24,212 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 23:26:24,213 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:26:24" (1/1) ... [2019-10-14 23:26:24,217 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@759a7100 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:26:24, skipping insertion in model container [2019-10-14 23:26:24,217 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:26:24" (1/1) ... [2019-10-14 23:26:24,226 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 23:26:24,305 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 23:26:25,021 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:26:25,037 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 23:26:25,136 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:26:25,215 INFO L192 MainTranslator]: Completed translation [2019-10-14 23:26:25,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:26:25 WrapperNode [2019-10-14 23:26:25,215 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 23:26:25,216 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 23:26:25,216 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 23:26:25,216 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 23:26:25,229 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:26:25" (1/1) ... [2019-10-14 23:26:25,230 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:26:25" (1/1) ... [2019-10-14 23:26:25,261 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:26:25" (1/1) ... [2019-10-14 23:26:25,261 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:26:25" (1/1) ... [2019-10-14 23:26:25,323 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:26:25" (1/1) ... [2019-10-14 23:26:25,346 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:26:25" (1/1) ... [2019-10-14 23:26:25,359 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:26:25" (1/1) ... [2019-10-14 23:26:25,377 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 23:26:25,377 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 23:26:25,378 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 23:26:25,378 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 23:26:25,379 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:26:25" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 23:26:25,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 23:26:25,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 23:26:25,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-14 23:26:25,443 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-14 23:26:25,443 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-14 23:26:25,444 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-14 23:26:25,444 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-14 23:26:25,444 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-14 23:26:25,444 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-14 23:26:25,445 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-14 23:26:25,445 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-14 23:26:25,445 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-14 23:26:25,445 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-14 23:26:25,446 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-14 23:26:25,446 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-14 23:26:25,446 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2019-10-14 23:26:25,446 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-14 23:26:25,447 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-14 23:26:25,447 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-14 23:26:25,447 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-14 23:26:25,447 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-14 23:26:25,447 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-14 23:26:25,448 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-14 23:26:25,448 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-14 23:26:25,448 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-14 23:26:25,448 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-14 23:26:25,449 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-14 23:26:25,449 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-14 23:26:25,449 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-14 23:26:25,449 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-14 23:26:25,449 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-14 23:26:25,450 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-14 23:26:25,450 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-14 23:26:25,451 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-14 23:26:25,451 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-14 23:26:25,451 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-14 23:26:25,451 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-14 23:26:25,451 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-14 23:26:25,451 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-14 23:26:25,452 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-14 23:26:25,452 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-14 23:26:25,452 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-14 23:26:25,452 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-14 23:26:25,452 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-14 23:26:25,453 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-14 23:26:25,453 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-14 23:26:25,453 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-14 23:26:25,453 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-14 23:26:25,453 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-14 23:26:25,454 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-14 23:26:25,454 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-14 23:26:25,454 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-14 23:26:25,454 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-14 23:26:25,454 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-14 23:26:25,454 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-14 23:26:25,455 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-14 23:26:25,455 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-14 23:26:25,455 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-14 23:26:25,455 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-14 23:26:25,455 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-14 23:26:25,456 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-14 23:26:25,456 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-14 23:26:25,456 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-14 23:26:25,456 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-14 23:26:25,456 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-14 23:26:25,456 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-14 23:26:25,457 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-14 23:26:25,457 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-14 23:26:25,457 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-14 23:26:25,457 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-14 23:26:25,457 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-14 23:26:25,458 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-14 23:26:25,458 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-14 23:26:25,458 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-14 23:26:25,458 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 23:26:25,458 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-14 23:26:25,459 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-14 23:26:25,459 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-14 23:26:25,459 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-14 23:26:25,459 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-14 23:26:25,459 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-14 23:26:25,459 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-14 23:26:25,460 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-14 23:26:25,460 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-14 23:26:25,460 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__VerifyForward_spec__1 [2019-10-14 23:26:25,460 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-14 23:26:25,460 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-14 23:26:25,461 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-14 23:26:25,461 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-14 23:26:25,461 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-14 23:26:25,461 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-14 23:26:25,461 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-14 23:26:25,461 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-14 23:26:25,462 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-14 23:26:25,462 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-14 23:26:25,462 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-14 23:26:25,462 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-14 23:26:25,462 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-14 23:26:25,463 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-14 23:26:25,463 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-14 23:26:25,463 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-14 23:26:25,463 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-14 23:26:25,463 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-14 23:26:25,463 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-14 23:26:25,464 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-14 23:26:25,464 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-14 23:26:25,464 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-14 23:26:25,464 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-14 23:26:25,464 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 23:26:25,465 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 23:26:25,465 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-14 23:26:25,465 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-14 23:26:25,465 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-14 23:26:25,465 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-14 23:26:25,465 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-14 23:26:25,466 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-14 23:26:25,466 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-14 23:26:25,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-14 23:26:25,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-14 23:26:25,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 23:26:25,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-14 23:26:25,467 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-14 23:26:25,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 23:26:25,467 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-14 23:26:25,467 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-14 23:26:25,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 23:26:25,467 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-14 23:26:25,467 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-14 23:26:25,468 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-14 23:26:25,468 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-14 23:26:25,468 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-14 23:26:25,468 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-14 23:26:25,468 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-14 23:26:25,468 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-14 23:26:25,469 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-14 23:26:25,469 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-14 23:26:25,469 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-14 23:26:25,469 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-14 23:26:25,469 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-14 23:26:25,469 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-14 23:26:25,470 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-14 23:26:25,470 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-14 23:26:25,470 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-14 23:26:25,470 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-14 23:26:25,470 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-14 23:26:25,470 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-14 23:26:25,470 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2019-10-14 23:26:25,471 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-14 23:26:25,471 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-14 23:26:25,471 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-14 23:26:25,471 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-14 23:26:25,471 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-14 23:26:25,471 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-14 23:26:25,471 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-14 23:26:25,472 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-14 23:26:25,472 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-14 23:26:25,472 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-14 23:26:25,472 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-14 23:26:25,472 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-14 23:26:25,472 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-14 23:26:25,473 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-14 23:26:25,473 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-14 23:26:25,473 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-14 23:26:25,473 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-14 23:26:25,473 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-14 23:26:25,473 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-14 23:26:25,473 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-14 23:26:25,473 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-14 23:26:25,474 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-14 23:26:25,474 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-14 23:26:25,474 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-14 23:26:25,474 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__VerifyForward_spec__1 [2019-10-14 23:26:25,474 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-14 23:26:25,474 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-14 23:26:25,474 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-14 23:26:25,475 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-14 23:26:25,475 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-14 23:26:25,475 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-14 23:26:25,475 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-14 23:26:25,475 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-14 23:26:25,475 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-14 23:26:25,475 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-14 23:26:25,476 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-14 23:26:25,476 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-14 23:26:25,476 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-14 23:26:25,476 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-14 23:26:25,476 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-14 23:26:25,476 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-14 23:26:25,476 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-14 23:26:25,477 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-14 23:26:25,477 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-14 23:26:25,477 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-14 23:26:25,477 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-14 23:26:25,477 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-14 23:26:25,477 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-14 23:26:25,477 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-14 23:26:25,478 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-14 23:26:25,478 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-14 23:26:25,478 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-14 23:26:25,478 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-14 23:26:25,478 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-14 23:26:25,478 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-14 23:26:25,478 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-14 23:26:25,479 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-14 23:26:25,479 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 23:26:25,479 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-14 23:26:25,479 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-14 23:26:25,479 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-14 23:26:25,479 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-14 23:26:25,479 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-14 23:26:25,480 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-14 23:26:25,480 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-14 23:26:25,480 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-14 23:26:25,480 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-14 23:26:25,480 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-14 23:26:25,480 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-14 23:26:25,480 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-14 23:26:25,481 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-14 23:26:25,481 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-14 23:26:25,481 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-14 23:26:25,481 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-14 23:26:25,481 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-14 23:26:25,481 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-14 23:26:25,481 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-14 23:26:25,482 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-14 23:26:25,482 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-14 23:26:25,482 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-14 23:26:25,482 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-14 23:26:25,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 23:26:25,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-14 23:26:25,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 23:26:27,575 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 23:26:27,576 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-14 23:26:27,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:26:27 BoogieIcfgContainer [2019-10-14 23:26:27,578 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 23:26:27,581 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-14 23:26:27,581 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-14 23:26:27,585 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-14 23:26:27,585 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:26:24" (1/3) ... [2019-10-14 23:26:27,586 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a28d8fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:26:27, skipping insertion in model container [2019-10-14 23:26:27,587 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:26:25" (2/3) ... [2019-10-14 23:26:27,588 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a28d8fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:26:27, skipping insertion in model container [2019-10-14 23:26:27,588 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:26:27" (3/3) ... [2019-10-14 23:26:27,591 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec27_product13.cil.c [2019-10-14 23:26:27,602 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-14 23:26:27,616 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-14 23:26:27,628 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-14 23:26:27,670 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-14 23:26:27,670 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-14 23:26:27,670 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-14 23:26:27,670 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-14 23:26:27,670 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-14 23:26:27,671 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-14 23:26:27,671 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-14 23:26:27,671 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-14 23:26:27,700 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states. [2019-10-14 23:26:27,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2019-10-14 23:26:27,724 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:26:27,726 INFO L380 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:26:27,728 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:26:27,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:26:27,734 INFO L82 PathProgramCache]: Analyzing trace with hash 1066825624, now seen corresponding path program 1 times [2019-10-14 23:26:27,743 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:26:27,744 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695977155] [2019-10-14 23:26:27,744 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:26:27,744 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:26:27,745 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:26:28,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:26:30,200 WARN L191 SmtUtils]: Spent 1.81 s on a formula simplification that was a NOOP. DAG size: 535 [2019-10-14 23:26:30,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:26:30,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:26:30,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:26:30,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:26:30,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:26:30,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:26:30,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:26:30,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:26:30,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:26:30,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:26:30,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:26:30,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:26:30,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:26:30,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:26:30,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:26:30,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:26:30,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:26:30,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:26:30,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:26:30,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:26:30,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:26:30,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:26:30,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:26:30,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:26:30,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:26:30,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:26:30,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:26:30,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:26:30,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:26:30,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:26:30,642 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-14 23:26:30,642 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695977155] [2019-10-14 23:26:30,643 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:26:30,644 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-10-14 23:26:30,644 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318883391] [2019-10-14 23:26:30,650 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-14 23:26:30,650 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:26:30,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-14 23:26:30,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2019-10-14 23:26:30,664 INFO L87 Difference]: Start difference. First operand 449 states. Second operand 12 states. [2019-10-14 23:26:51,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:26:51,602 INFO L93 Difference]: Finished difference Result 1292 states and 2018 transitions. [2019-10-14 23:26:51,602 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2019-10-14 23:26:51,603 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 177 [2019-10-14 23:26:51,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:26:51,629 INFO L225 Difference]: With dead ends: 1292 [2019-10-14 23:26:51,629 INFO L226 Difference]: Without dead ends: 798 [2019-10-14 23:26:51,642 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2353 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=1215, Invalid=5427, Unknown=0, NotChecked=0, Total=6642 [2019-10-14 23:26:51,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 798 states. [2019-10-14 23:26:51,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 798 to 409. [2019-10-14 23:26:51,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 409 states. [2019-10-14 23:26:51,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 544 transitions. [2019-10-14 23:26:51,895 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 544 transitions. Word has length 177 [2019-10-14 23:26:51,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:26:51,896 INFO L462 AbstractCegarLoop]: Abstraction has 409 states and 544 transitions. [2019-10-14 23:26:51,896 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-10-14 23:26:51,896 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 544 transitions. [2019-10-14 23:26:51,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2019-10-14 23:26:51,903 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:26:51,903 INFO L380 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:26:51,903 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:26:51,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:26:51,904 INFO L82 PathProgramCache]: Analyzing trace with hash -455066040, now seen corresponding path program 1 times [2019-10-14 23:26:51,904 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:26:51,904 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498444352] [2019-10-14 23:26:51,905 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:26:51,905 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:26:51,905 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:26:51,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:26:53,419 WARN L191 SmtUtils]: Spent 1.38 s on a formula simplification that was a NOOP. DAG size: 535 [2019-10-14 23:26:53,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:26:53,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:26:53,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:26:53,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:26:53,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:26:53,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:26:53,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:26:53,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:26:53,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:26:53,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:26:53,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:26:53,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:26:53,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:26:53,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:26:53,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:26:53,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:26:53,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:26:53,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:26:53,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:26:53,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:26:53,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:26:53,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:26:53,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:26:53,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:26:53,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:26:53,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:26:53,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:26:53,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:26:53,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:26:53,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:26:53,860 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-14 23:26:53,860 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498444352] [2019-10-14 23:26:53,861 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:26:53,861 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-10-14 23:26:53,861 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143382000] [2019-10-14 23:26:53,876 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-10-14 23:26:53,879 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:26:53,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-10-14 23:26:53,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2019-10-14 23:26:53,880 INFO L87 Difference]: Start difference. First operand 409 states and 544 transitions. Second operand 13 states. [2019-10-14 23:26:58,037 WARN L191 SmtUtils]: Spent 1.39 s on a formula simplification that was a NOOP. DAG size: 538