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_spec7_product19.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-14 23:30:03,004 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 23:30:03,007 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 23:30:03,019 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 23:30:03,020 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 23:30:03,021 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 23:30:03,024 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 23:30:03,026 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 23:30:03,030 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 23:30:03,033 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 23:30:03,034 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 23:30:03,035 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 23:30:03,035 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 23:30:03,042 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 23:30:03,043 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 23:30:03,046 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 23:30:03,047 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 23:30:03,050 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 23:30:03,052 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 23:30:03,054 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 23:30:03,055 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 23:30:03,056 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 23:30:03,057 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 23:30:03,058 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 23:30:03,060 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 23:30:03,060 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 23:30:03,061 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 23:30:03,061 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 23:30:03,062 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 23:30:03,063 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 23:30:03,063 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 23:30:03,064 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 23:30:03,065 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 23:30:03,066 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 23:30:03,067 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 23:30:03,067 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 23:30:03,067 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 23:30:03,068 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 23:30:03,068 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 23:30:03,069 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 23:30:03,070 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 23:30:03,071 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 23:30:03,087 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 23:30:03,088 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 23:30:03,091 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 23:30:03,091 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 23:30:03,092 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 23:30:03,092 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 23:30:03,092 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 23:30:03,092 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 23:30:03,093 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 23:30:03,093 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 23:30:03,093 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 23:30:03,093 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 23:30:03,093 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 23:30:03,093 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 23:30:03,094 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 23:30:03,094 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 23:30:03,094 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 23:30:03,096 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 23:30:03,097 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 23:30:03,097 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 23:30:03,097 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 23:30:03,097 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 23:30:03,097 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 23:30:03,098 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 23:30:03,098 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 23:30:03,098 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 23:30:03,098 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 23:30:03,098 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 23:30:03,099 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-14 23:30:03,358 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 23:30:03,369 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 23:30:03,372 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 23:30:03,374 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 23:30:03,374 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 23:30:03,375 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec7_product19.cil.c [2019-10-14 23:30:03,448 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f902f1182/31a88a694db54038af5791e46fcc3a90/FLAG2230b26d3 [2019-10-14 23:30:03,977 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 23:30:03,979 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec7_product19.cil.c [2019-10-14 23:30:04,010 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f902f1182/31a88a694db54038af5791e46fcc3a90/FLAG2230b26d3 [2019-10-14 23:30:04,253 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f902f1182/31a88a694db54038af5791e46fcc3a90 [2019-10-14 23:30:04,262 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 23:30:04,263 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 23:30:04,265 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 23:30:04,265 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 23:30:04,268 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 23:30:04,269 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:30:04" (1/1) ... [2019-10-14 23:30:04,272 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71166735 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:30:04, skipping insertion in model container [2019-10-14 23:30:04,272 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:30:04" (1/1) ... [2019-10-14 23:30:04,280 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 23:30:04,360 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 23:30:05,096 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:30:05,122 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 23:30:05,256 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:30:05,340 INFO L192 MainTranslator]: Completed translation [2019-10-14 23:30:05,341 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:30:05 WrapperNode [2019-10-14 23:30:05,341 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 23:30:05,342 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 23:30:05,342 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 23:30:05,342 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 23:30:05,357 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:30:05" (1/1) ... [2019-10-14 23:30:05,357 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:30:05" (1/1) ... [2019-10-14 23:30:05,409 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:30:05" (1/1) ... [2019-10-14 23:30:05,410 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:30:05" (1/1) ... [2019-10-14 23:30:05,494 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:30:05" (1/1) ... [2019-10-14 23:30:05,525 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:30:05" (1/1) ... [2019-10-14 23:30:05,551 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:30:05" (1/1) ... [2019-10-14 23:30:05,581 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 23:30:05,584 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 23:30:05,585 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 23:30:05,585 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 23:30:05,586 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:30:05" (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 23:30:05,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 23:30:05,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 23:30:05,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-14 23:30:05,666 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptVerify_spec__1 [2019-10-14 23:30:05,666 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-14 23:30:05,667 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-14 23:30:05,668 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-14 23:30:05,668 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-14 23:30:05,669 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-14 23:30:05,669 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-14 23:30:05,670 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-14 23:30:05,670 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-14 23:30:05,671 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-14 23:30:05,671 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-14 23:30:05,672 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-14 23:30:05,672 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-14 23:30:05,675 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-14 23:30:05,675 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-14 23:30:05,675 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-14 23:30:05,675 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-14 23:30:05,676 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-14 23:30:05,676 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-14 23:30:05,676 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-14 23:30:05,676 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-14 23:30:05,676 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-14 23:30:05,677 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-14 23:30:05,677 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-14 23:30:05,677 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-14 23:30:05,677 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-14 23:30:05,678 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-14 23:30:05,678 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-14 23:30:05,678 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-14 23:30:05,678 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-14 23:30:05,679 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-14 23:30:05,679 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-14 23:30:05,679 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-14 23:30:05,679 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-14 23:30:05,679 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-14 23:30:05,679 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2019-10-14 23:30:05,680 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-14 23:30:05,680 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-14 23:30:05,681 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-14 23:30:05,681 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-14 23:30:05,681 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-14 23:30:05,681 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-14 23:30:05,681 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-14 23:30:05,682 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-14 23:30:05,682 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-14 23:30:05,682 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-10-14 23:30:05,682 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-14 23:30:05,682 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-14 23:30:05,682 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-14 23:30:05,683 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-14 23:30:05,683 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-14 23:30:05,683 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-14 23:30:05,683 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-14 23:30:05,683 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-14 23:30:05,684 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-14 23:30:05,684 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-14 23:30:05,684 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-14 23:30:05,684 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-14 23:30:05,684 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-14 23:30:05,684 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-14 23:30:05,685 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-14 23:30:05,685 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-14 23:30:05,685 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-14 23:30:05,685 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-14 23:30:05,686 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-14 23:30:05,686 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-14 23:30:05,686 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-14 23:30:05,686 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 23:30:05,687 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-14 23:30:05,687 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-14 23:30:05,687 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-14 23:30:05,688 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-14 23:30:05,688 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-14 23:30:05,688 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-14 23:30:05,689 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-14 23:30:05,689 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-14 23:30:05,689 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-14 23:30:05,689 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-14 23:30:05,689 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-14 23:30:05,690 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-14 23:30:05,690 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-14 23:30:05,691 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-14 23:30:05,691 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-14 23:30:05,691 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-14 23:30:05,692 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-14 23:30:05,692 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-14 23:30:05,692 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-14 23:30:05,693 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-14 23:30:05,693 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-14 23:30:05,693 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-14 23:30:05,694 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-14 23:30:05,694 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-14 23:30:05,694 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-14 23:30:05,694 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-14 23:30:05,694 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-14 23:30:05,694 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-14 23:30:05,695 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-14 23:30:05,695 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-14 23:30:05,695 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-14 23:30:05,695 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-14 23:30:05,695 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-14 23:30:05,695 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-14 23:30:05,696 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-14 23:30:05,696 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-14 23:30:05,696 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-14 23:30:05,696 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-14 23:30:05,696 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-14 23:30:05,696 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-14 23:30:05,697 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 23:30:05,697 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 23:30:05,697 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-14 23:30:05,697 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-14 23:30:05,697 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptVerify_spec__1 [2019-10-14 23:30:05,698 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-14 23:30:05,698 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-14 23:30:05,698 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-14 23:30:05,698 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-14 23:30:05,699 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-14 23:30:05,699 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-14 23:30:05,699 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-14 23:30:05,700 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-14 23:30:05,701 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-14 23:30:05,701 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-14 23:30:05,701 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-14 23:30:05,701 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-14 23:30:05,701 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-14 23:30:05,701 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-14 23:30:05,701 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-14 23:30:05,702 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-14 23:30:05,702 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-14 23:30:05,702 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-14 23:30:05,702 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-14 23:30:05,702 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-14 23:30:05,703 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-14 23:30:05,703 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-14 23:30:05,703 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-14 23:30:05,704 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-14 23:30:05,707 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-14 23:30:05,708 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-14 23:30:05,708 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-14 23:30:05,709 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-14 23:30:05,715 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-14 23:30:05,715 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-14 23:30:05,716 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-14 23:30:05,716 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-14 23:30:05,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-14 23:30:05,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-14 23:30:05,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 23:30:05,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-14 23:30:05,716 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-14 23:30:05,717 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 23:30:05,717 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-14 23:30:05,717 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-14 23:30:05,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 23:30:05,718 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-14 23:30:05,718 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-14 23:30:05,718 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-14 23:30:05,719 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-14 23:30:05,719 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-14 23:30:05,719 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-14 23:30:05,719 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-14 23:30:05,719 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-14 23:30:05,719 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-14 23:30:05,719 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-14 23:30:05,720 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-14 23:30:05,720 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-14 23:30:05,720 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-14 23:30:05,720 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-14 23:30:05,720 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-14 23:30:05,720 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-14 23:30:05,720 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-14 23:30:05,720 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2019-10-14 23:30:05,721 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-14 23:30:05,721 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-14 23:30:05,721 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-14 23:30:05,721 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-14 23:30:05,721 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-14 23:30:05,721 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-14 23:30:05,721 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-14 23:30:05,721 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-14 23:30:05,722 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-14 23:30:05,722 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-14 23:30:05,722 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-14 23:30:05,722 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-14 23:30:05,722 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-14 23:30:05,722 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-14 23:30:05,722 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-14 23:30:05,723 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-14 23:30:05,723 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-14 23:30:05,723 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-14 23:30:05,723 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-14 23:30:05,723 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-14 23:30:05,723 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-14 23:30:05,723 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-14 23:30:05,724 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-14 23:30:05,724 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-14 23:30:05,724 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-10-14 23:30:05,724 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-14 23:30:05,724 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-14 23:30:05,724 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-14 23:30:05,724 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-14 23:30:05,724 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-14 23:30:05,725 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-14 23:30:05,725 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-14 23:30:05,725 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-14 23:30:05,725 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-14 23:30:05,725 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-14 23:30:05,725 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-14 23:30:05,725 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-14 23:30:05,726 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 23:30:05,726 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-14 23:30:05,726 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-14 23:30:05,726 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-14 23:30:05,726 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-14 23:30:05,726 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-14 23:30:05,726 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-14 23:30:05,726 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-14 23:30:05,727 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-14 23:30:05,727 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-14 23:30:05,727 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-14 23:30:05,727 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-14 23:30:05,727 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-14 23:30:05,727 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-14 23:30:05,727 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-14 23:30:05,728 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-14 23:30:05,728 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-14 23:30:05,728 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-14 23:30:05,728 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-14 23:30:05,728 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-14 23:30:05,728 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-14 23:30:05,728 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-14 23:30:05,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 23:30:05,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-14 23:30:05,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 23:30:07,779 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 23:30:07,780 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-14 23:30:07,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:30:07 BoogieIcfgContainer [2019-10-14 23:30:07,782 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 23:30:07,783 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-14 23:30:07,783 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-14 23:30:07,786 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-14 23:30:07,787 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:30:04" (1/3) ... [2019-10-14 23:30:07,788 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ba49ccc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:30:07, skipping insertion in model container [2019-10-14 23:30:07,788 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:30:05" (2/3) ... [2019-10-14 23:30:07,788 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ba49ccc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:30:07, skipping insertion in model container [2019-10-14 23:30:07,788 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:30:07" (3/3) ... [2019-10-14 23:30:07,790 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec7_product19.cil.c [2019-10-14 23:30:07,800 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-14 23:30:07,809 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-14 23:30:07,822 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-14 23:30:07,863 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-14 23:30:07,863 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-14 23:30:07,863 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-14 23:30:07,863 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-14 23:30:07,864 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-14 23:30:07,864 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-14 23:30:07,864 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-14 23:30:07,864 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-14 23:30:07,903 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states. [2019-10-14 23:30:07,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2019-10-14 23:30:07,936 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:30:07,938 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] [2019-10-14 23:30:07,943 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:30:07,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:30:07,956 INFO L82 PathProgramCache]: Analyzing trace with hash -2112849319, now seen corresponding path program 1 times [2019-10-14 23:30:07,966 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:30:07,966 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907092367] [2019-10-14 23:30:07,967 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:30:07,967 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:30:07,971 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:30:08,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:10,289 WARN L191 SmtUtils]: Spent 1.74 s on a formula simplification that was a NOOP. DAG size: 535 [2019-10-14 23:30:10,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:10,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:10,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:10,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:10,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:10,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:10,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:10,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:10,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:10,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:10,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:10,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:10,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:10,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:10,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:10,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:10,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:10,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:10,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:10,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:10,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:10,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:10,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:10,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:10,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:10,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:10,698 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 23:30:10,699 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907092367] [2019-10-14 23:30:10,700 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:30:10,700 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-10-14 23:30:10,700 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38912976] [2019-10-14 23:30:10,705 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-14 23:30:10,706 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:30:10,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-14 23:30:10,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2019-10-14 23:30:10,723 INFO L87 Difference]: Start difference. First operand 490 states. Second operand 11 states. [2019-10-14 23:30:24,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:30:24,781 INFO L93 Difference]: Finished difference Result 1206 states and 1822 transitions. [2019-10-14 23:30:24,786 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2019-10-14 23:30:24,828 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 150 [2019-10-14 23:30:24,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:30:24,878 INFO L225 Difference]: With dead ends: 1206 [2019-10-14 23:30:24,878 INFO L226 Difference]: Without dead ends: 807 [2019-10-14 23:30:24,887 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 467 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=419, Invalid=1303, Unknown=0, NotChecked=0, Total=1722 [2019-10-14 23:30:24,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 807 states. [2019-10-14 23:30:25,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 807 to 467. [2019-10-14 23:30:25,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 467 states. [2019-10-14 23:30:25,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 615 transitions. [2019-10-14 23:30:25,173 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 615 transitions. Word has length 150 [2019-10-14 23:30:25,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:30:25,174 INFO L462 AbstractCegarLoop]: Abstraction has 467 states and 615 transitions. [2019-10-14 23:30:25,174 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-14 23:30:25,174 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 615 transitions. [2019-10-14 23:30:25,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2019-10-14 23:30:25,178 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:30:25,179 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] [2019-10-14 23:30:25,179 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:30:25,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:30:25,180 INFO L82 PathProgramCache]: Analyzing trace with hash 1063431259, now seen corresponding path program 1 times [2019-10-14 23:30:25,180 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:30:25,180 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580681721] [2019-10-14 23:30:25,181 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:30:25,181 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:30:25,181 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:30:25,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:26,832 WARN L191 SmtUtils]: Spent 1.41 s on a formula simplification that was a NOOP. DAG size: 535 [2019-10-14 23:30:26,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:26,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:26,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:26,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:26,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:26,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:26,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:26,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:27,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:27,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:27,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:27,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:27,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:27,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:27,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:27,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:27,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:27,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:27,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:27,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:27,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:27,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:27,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:27,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:27,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:27,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:27,246 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 23:30:27,246 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580681721] [2019-10-14 23:30:27,247 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:30:27,247 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-10-14 23:30:27,247 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116690609] [2019-10-14 23:30:27,263 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-14 23:30:27,263 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:30:27,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-14 23:30:27,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2019-10-14 23:30:27,264 INFO L87 Difference]: Start difference. First operand 467 states and 615 transitions. Second operand 12 states. [2019-10-14 23:30:31,123 WARN L191 SmtUtils]: Spent 1.46 s on a formula simplification that was a NOOP. DAG size: 538 [2019-10-14 23:30:43,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:30:43,625 INFO L93 Difference]: Finished difference Result 1045 states and 1466 transitions. [2019-10-14 23:30:43,625 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-14 23:30:43,626 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 151 [2019-10-14 23:30:43,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:30:43,635 INFO L225 Difference]: With dead ends: 1045 [2019-10-14 23:30:43,635 INFO L226 Difference]: Without dead ends: 810 [2019-10-14 23:30:43,638 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=176, Invalid=376, Unknown=0, NotChecked=0, Total=552 [2019-10-14 23:30:43,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 810 states. [2019-10-14 23:30:43,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 810 to 469. [2019-10-14 23:30:43,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 469 states. [2019-10-14 23:30:43,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 469 states and 617 transitions. [2019-10-14 23:30:43,853 INFO L78 Accepts]: Start accepts. Automaton has 469 states and 617 transitions. Word has length 151 [2019-10-14 23:30:43,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:30:43,854 INFO L462 AbstractCegarLoop]: Abstraction has 469 states and 617 transitions. [2019-10-14 23:30:43,854 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-10-14 23:30:43,854 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 617 transitions. [2019-10-14 23:30:43,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2019-10-14 23:30:43,857 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:30:43,857 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:30:43,858 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:30:43,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:30:43,858 INFO L82 PathProgramCache]: Analyzing trace with hash 1143620239, now seen corresponding path program 1 times [2019-10-14 23:30:43,858 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:30:43,859 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079190127] [2019-10-14 23:30:43,859 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:30:43,859 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:30:43,859 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:30:43,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat