/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/email_spec4_product24.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-06 21:45:21,727 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-06 21:45:21,730 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-06 21:45:21,749 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-06 21:45:21,749 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-06 21:45:21,751 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-06 21:45:21,753 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-06 21:45:21,766 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-06 21:45:21,768 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-06 21:45:21,770 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-06 21:45:21,771 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-06 21:45:21,772 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-06 21:45:21,772 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-06 21:45:21,773 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-06 21:45:21,774 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-06 21:45:21,775 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-06 21:45:21,776 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-06 21:45:21,779 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-06 21:45:21,783 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-06 21:45:21,785 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-06 21:45:21,787 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-06 21:45:21,789 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-06 21:45:21,790 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-06 21:45:21,792 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-06 21:45:21,794 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-06 21:45:21,795 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-06 21:45:21,795 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-06 21:45:21,797 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-06 21:45:21,797 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-06 21:45:21,800 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-06 21:45:21,800 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-06 21:45:21,802 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-06 21:45:21,803 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-06 21:45:21,804 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-06 21:45:21,808 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-06 21:45:21,808 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-06 21:45:21,809 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-06 21:45:21,809 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-06 21:45:21,809 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-06 21:45:21,812 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-06 21:45:21,814 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-06 21:45:21,815 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-06 21:45:21,838 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-06 21:45:21,838 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-06 21:45:21,839 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-06 21:45:21,839 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-06 21:45:21,839 INFO L138 SettingsManager]: * Use SBE=true [2019-11-06 21:45:21,840 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-06 21:45:21,840 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-06 21:45:21,840 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-06 21:45:21,840 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-06 21:45:21,841 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-06 21:45:21,841 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-06 21:45:21,841 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-06 21:45:21,841 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-06 21:45:21,841 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-06 21:45:21,842 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-06 21:45:21,842 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-06 21:45:21,842 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-06 21:45:21,842 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-06 21:45:21,842 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-06 21:45:21,842 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-06 21:45:21,843 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-06 21:45:21,843 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 21:45:21,843 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-06 21:45:21,843 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-06 21:45:21,843 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-06 21:45:21,844 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-06 21:45:21,844 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-06 21:45:21,844 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-06 21:45:21,844 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-06 21:45:22,114 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-06 21:45:22,127 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-06 21:45:22,130 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-06 21:45:22,131 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-06 21:45:22,131 INFO L275 PluginConnector]: CDTParser initialized [2019-11-06 21:45:22,132 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec4_product24.cil.c [2019-11-06 21:45:22,196 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f510b763/a0c4c6937ce24ef9ae8f353dd9cf4903/FLAG6c7432003 [2019-11-06 21:45:22,798 INFO L306 CDTParser]: Found 1 translation units. [2019-11-06 21:45:22,799 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec4_product24.cil.c [2019-11-06 21:45:22,829 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f510b763/a0c4c6937ce24ef9ae8f353dd9cf4903/FLAG6c7432003 [2019-11-06 21:45:23,023 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f510b763/a0c4c6937ce24ef9ae8f353dd9cf4903 [2019-11-06 21:45:23,030 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-06 21:45:23,032 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-06 21:45:23,033 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-06 21:45:23,033 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-06 21:45:23,036 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-06 21:45:23,037 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:45:23" (1/1) ... [2019-11-06 21:45:23,040 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21431e69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:45:23, skipping insertion in model container [2019-11-06 21:45:23,040 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:45:23" (1/1) ... [2019-11-06 21:45:23,047 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-06 21:45:23,122 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-06 21:45:23,822 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 21:45:23,850 INFO L188 MainTranslator]: Completed pre-run [2019-11-06 21:45:24,014 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 21:45:24,093 INFO L192 MainTranslator]: Completed translation [2019-11-06 21:45:24,094 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:45:24 WrapperNode [2019-11-06 21:45:24,094 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-06 21:45:24,095 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-06 21:45:24,095 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-06 21:45:24,095 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-06 21:45:24,107 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:45:24" (1/1) ... [2019-11-06 21:45:24,108 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:45:24" (1/1) ... [2019-11-06 21:45:24,139 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:45:24" (1/1) ... [2019-11-06 21:45:24,139 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:45:24" (1/1) ... [2019-11-06 21:45:24,195 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:45:24" (1/1) ... [2019-11-06 21:45:24,221 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:45:24" (1/1) ... [2019-11-06 21:45:24,233 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:45:24" (1/1) ... [2019-11-06 21:45:24,251 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-06 21:45:24,251 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-06 21:45:24,251 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-06 21:45:24,252 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-06 21:45:24,253 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:45:24" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 21:45:24,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-06 21:45:24,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-06 21:45:24,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-06 21:45:24,338 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-06 21:45:24,338 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-11-06 21:45:24,339 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-11-06 21:45:24,340 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-11-06 21:45:24,340 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-11-06 21:45:24,340 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-11-06 21:45:24,341 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-11-06 21:45:24,341 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-11-06 21:45:24,341 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-11-06 21:45:24,342 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-11-06 21:45:24,342 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-11-06 21:45:24,343 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-11-06 21:45:24,344 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-11-06 21:45:24,346 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-11-06 21:45:24,346 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-11-06 21:45:24,346 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-11-06 21:45:24,347 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-11-06 21:45:24,347 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-11-06 21:45:24,347 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-11-06 21:45:24,347 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-11-06 21:45:24,348 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-11-06 21:45:24,348 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-11-06 21:45:24,348 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-11-06 21:45:24,348 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-11-06 21:45:24,348 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-11-06 21:45:24,348 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-11-06 21:45:24,349 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-11-06 21:45:24,349 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-11-06 21:45:24,349 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-11-06 21:45:24,349 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-11-06 21:45:24,349 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-11-06 21:45:24,349 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-06 21:45:24,350 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-06 21:45:24,350 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-06 21:45:24,350 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-06 21:45:24,351 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-06 21:45:24,351 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-06 21:45:24,351 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-06 21:45:24,351 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-06 21:45:24,352 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-06 21:45:24,352 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-06 21:45:24,352 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-06 21:45:24,352 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-11-06 21:45:24,353 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-11-06 21:45:24,353 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-11-06 21:45:24,353 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-11-06 21:45:24,353 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-11-06 21:45:24,353 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-11-06 21:45:24,354 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-11-06 21:45:24,354 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-11-06 21:45:24,354 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-11-06 21:45:24,354 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-11-06 21:45:24,355 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-11-06 21:45:24,355 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-11-06 21:45:24,355 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-11-06 21:45:24,355 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-11-06 21:45:24,356 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-11-06 21:45:24,356 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-11-06 21:45:24,356 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-11-06 21:45:24,356 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-11-06 21:45:24,357 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-11-06 21:45:24,357 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-11-06 21:45:24,357 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-11-06 21:45:24,357 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-11-06 21:45:24,358 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-11-06 21:45:24,358 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-11-06 21:45:24,358 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-11-06 21:45:24,359 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-11-06 21:45:24,359 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-11-06 21:45:24,359 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-11-06 21:45:24,359 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-11-06 21:45:24,360 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-06 21:45:24,361 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-06 21:45:24,361 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-11-06 21:45:24,361 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-11-06 21:45:24,361 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-11-06 21:45:24,361 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-11-06 21:45:24,362 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-11-06 21:45:24,362 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-11-06 21:45:24,363 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-11-06 21:45:24,363 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-11-06 21:45:24,363 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-11-06 21:45:24,363 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-11-06 21:45:24,364 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-11-06 21:45:24,364 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignForward_spec__1 [2019-11-06 21:45:24,365 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AutoResponder [2019-11-06 21:45:24,365 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2019-11-06 21:45:24,365 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-11-06 21:45:24,366 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-11-06 21:45:24,366 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-11-06 21:45:24,366 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-11-06 21:45:24,366 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-11-06 21:45:24,366 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-11-06 21:45:24,366 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-11-06 21:45:24,367 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-11-06 21:45:24,367 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Keys [2019-11-06 21:45:24,367 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-11-06 21:45:24,367 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-11-06 21:45:24,368 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-11-06 21:45:24,368 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-11-06 21:45:24,368 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-11-06 21:45:24,368 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-11-06 21:45:24,368 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-11-06 21:45:24,369 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-11-06 21:45:24,369 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-11-06 21:45:24,369 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-11-06 21:45:24,369 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-11-06 21:45:24,369 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-11-06 21:45:24,369 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-11-06 21:45:24,370 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-11-06 21:45:24,370 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-11-06 21:45:24,370 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-06 21:45:24,371 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-06 21:45:24,371 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-11-06 21:45:24,371 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-11-06 21:45:24,371 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-11-06 21:45:24,372 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-11-06 21:45:24,372 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-11-06 21:45:24,372 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-11-06 21:45:24,373 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-11-06 21:45:24,373 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-11-06 21:45:24,374 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-11-06 21:45:24,375 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-11-06 21:45:24,375 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-06 21:45:24,375 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-11-06 21:45:24,375 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-11-06 21:45:24,375 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-11-06 21:45:24,375 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-11-06 21:45:24,376 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-11-06 21:45:24,376 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-11-06 21:45:24,377 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-11-06 21:45:24,377 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-11-06 21:45:24,377 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-11-06 21:45:24,377 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-11-06 21:45:24,377 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-11-06 21:45:24,378 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-11-06 21:45:24,378 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-11-06 21:45:24,381 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-11-06 21:45:24,382 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-11-06 21:45:24,382 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-11-06 21:45:24,383 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-11-06 21:45:24,389 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-11-06 21:45:24,389 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-11-06 21:45:24,389 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-11-06 21:45:24,389 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-11-06 21:45:24,389 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-11-06 21:45:24,389 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-11-06 21:45:24,389 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-11-06 21:45:24,390 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-11-06 21:45:24,390 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-11-06 21:45:24,390 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-11-06 21:45:24,390 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-11-06 21:45:24,390 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-11-06 21:45:24,390 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-06 21:45:24,391 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-11-06 21:45:24,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-06 21:45:24,392 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-06 21:45:24,392 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-06 21:45:24,392 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-06 21:45:24,393 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-06 21:45:24,393 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-06 21:45:24,393 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-06 21:45:24,393 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-06 21:45:24,393 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-06 21:45:24,393 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-06 21:45:24,394 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-06 21:45:24,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-06 21:45:24,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-06 21:45:24,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-06 21:45:24,394 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-06 21:45:24,395 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-06 21:45:24,395 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-06 21:45:24,395 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-06 21:45:24,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-06 21:45:24,395 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-06 21:45:24,395 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-06 21:45:24,396 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-06 21:45:24,396 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-11-06 21:45:24,396 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-11-06 21:45:24,396 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-11-06 21:45:24,396 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-11-06 21:45:24,396 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-11-06 21:45:24,397 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-11-06 21:45:24,397 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-11-06 21:45:24,397 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-11-06 21:45:24,397 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-11-06 21:45:24,397 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-11-06 21:45:24,397 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-11-06 21:45:24,398 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-11-06 21:45:24,398 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-11-06 21:45:24,398 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-11-06 21:45:24,398 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-11-06 21:45:24,398 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-11-06 21:45:24,399 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-11-06 21:45:24,399 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-11-06 21:45:24,399 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-11-06 21:45:24,399 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-11-06 21:45:24,399 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-11-06 21:45:24,399 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-06 21:45:24,400 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-11-06 21:45:24,400 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-11-06 21:45:24,400 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-11-06 21:45:24,400 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-11-06 21:45:24,400 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-11-06 21:45:24,400 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-11-06 21:45:24,401 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-11-06 21:45:24,401 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-11-06 21:45:24,401 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-11-06 21:45:24,401 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-11-06 21:45:24,401 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-06 21:45:24,401 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-06 21:45:24,401 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-11-06 21:45:24,401 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-11-06 21:45:24,402 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-11-06 21:45:24,402 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-11-06 21:45:24,402 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-11-06 21:45:24,402 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignForward_spec__1 [2019-11-06 21:45:24,402 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-11-06 21:45:24,402 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-11-06 21:45:24,402 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-11-06 21:45:24,403 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-11-06 21:45:24,403 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AutoResponder [2019-11-06 21:45:24,403 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2019-11-06 21:45:24,403 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-11-06 21:45:24,403 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-11-06 21:45:24,403 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-11-06 21:45:24,403 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-11-06 21:45:24,403 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-11-06 21:45:24,404 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-11-06 21:45:24,404 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-11-06 21:45:24,404 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-11-06 21:45:24,404 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-11-06 21:45:24,404 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-11-06 21:45:24,404 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-11-06 21:45:24,404 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Keys [2019-11-06 21:45:24,405 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-11-06 21:45:24,405 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-11-06 21:45:24,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-06 21:45:24,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-06 21:45:24,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-06 21:45:26,594 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-06 21:45:26,594 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-06 21:45:26,596 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:45:26 BoogieIcfgContainer [2019-11-06 21:45:26,596 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-06 21:45:26,597 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-06 21:45:26,597 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-06 21:45:26,601 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-06 21:45:26,601 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:45:23" (1/3) ... [2019-11-06 21:45:26,602 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70a39491 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:45:26, skipping insertion in model container [2019-11-06 21:45:26,602 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:45:24" (2/3) ... [2019-11-06 21:45:26,603 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70a39491 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:45:26, skipping insertion in model container [2019-11-06 21:45:26,603 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:45:26" (3/3) ... [2019-11-06 21:45:26,605 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec4_product24.cil.c [2019-11-06 21:45:26,614 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-06 21:45:26,624 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-06 21:45:26,636 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-06 21:45:26,675 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-06 21:45:26,675 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-06 21:45:26,676 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-06 21:45:26,676 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-06 21:45:26,676 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-06 21:45:26,676 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-06 21:45:26,676 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-06 21:45:26,677 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-06 21:45:26,720 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states. [2019-11-06 21:45:26,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2019-11-06 21:45:26,753 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:45:26,755 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 21:45:26,758 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:45:26,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:45:26,767 INFO L82 PathProgramCache]: Analyzing trace with hash 1143948929, now seen corresponding path program 1 times [2019-11-06 21:45:26,777 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:45:26,778 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687239215] [2019-11-06 21:45:26,778 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:45:27,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:45:29,162 WARN L191 SmtUtils]: Spent 1.79 s on a formula simplification that was a NOOP. DAG size: 547 [2019-11-06 21:45:29,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:45:29,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:45:29,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:45:29,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:45:29,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:45:29,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:45:29,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:45:29,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:45:29,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:45:29,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:45:29,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:45:29,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:45:29,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:45:29,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:45:29,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:45:29,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:45:29,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:45:29,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:45:29,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:45:29,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:45:29,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:45:29,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:45:29,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:45:29,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:45:29,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:45:29,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:45:29,566 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-11-06 21:45:29,567 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687239215] [2019-11-06 21:45:29,568 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 21:45:29,568 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-11-06 21:45:29,569 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345006368] [2019-11-06 21:45:29,576 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-06 21:45:29,576 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:45:29,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-06 21:45:29,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2019-11-06 21:45:29,593 INFO L87 Difference]: Start difference. First operand 526 states. Second operand 11 states. [2019-11-06 21:45:49,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 21:45:49,419 INFO L93 Difference]: Finished difference Result 1291 states and 1941 transitions. [2019-11-06 21:45:49,420 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2019-11-06 21:45:49,421 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 148 [2019-11-06 21:45:49,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 21:45:49,447 INFO L225 Difference]: With dead ends: 1291 [2019-11-06 21:45:49,448 INFO L226 Difference]: Without dead ends: 867 [2019-11-06 21:45:49,457 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 456 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=419, Invalid=1303, Unknown=0, NotChecked=0, Total=1722 [2019-11-06 21:45:49,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 867 states. [2019-11-06 21:45:49,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 867 to 503. [2019-11-06 21:45:49,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 503 states. [2019-11-06 21:45:49,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 503 states and 663 transitions. [2019-11-06 21:45:49,756 INFO L78 Accepts]: Start accepts. Automaton has 503 states and 663 transitions. Word has length 148 [2019-11-06 21:45:49,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 21:45:49,757 INFO L462 AbstractCegarLoop]: Abstraction has 503 states and 663 transitions. [2019-11-06 21:45:49,757 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-06 21:45:49,757 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 663 transitions. [2019-11-06 21:45:49,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2019-11-06 21:45:49,761 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:45:49,762 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 21:45:49,762 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:45:49,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:45:49,763 INFO L82 PathProgramCache]: Analyzing trace with hash 400393156, now seen corresponding path program 1 times [2019-11-06 21:45:49,763 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:45:49,763 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658600701] [2019-11-06 21:45:49,763 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:45:49,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:45:51,416 WARN L191 SmtUtils]: Spent 1.49 s on a formula simplification that was a NOOP. DAG size: 547 [2019-11-06 21:45:51,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:45:51,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:45:51,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:45:51,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:45:51,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:45:51,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:45:51,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:45:51,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:45:51,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:45:51,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:45:51,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:45:51,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:45:51,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:45:51,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:45:51,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:45:51,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:45:51,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:45:51,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:45:51,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:45:51,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:45:51,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:45:51,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:45:51,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:45:51,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:45:51,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:45:51,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:45:51,780 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-11-06 21:45:51,781 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658600701] [2019-11-06 21:45:51,781 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 21:45:51,781 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-11-06 21:45:51,781 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176711982] [2019-11-06 21:45:51,800 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-11-06 21:45:51,800 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:45:51,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-11-06 21:45:51,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2019-11-06 21:45:51,801 INFO L87 Difference]: Start difference. First operand 503 states and 663 transitions. Second operand 12 states. [2019-11-06 21:45:57,079 WARN L191 SmtUtils]: Spent 1.50 s on a formula simplification that was a NOOP. DAG size: 550