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_spec6_product22.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-14 23:29:19,711 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 23:29:19,714 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 23:29:19,734 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 23:29:19,735 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 23:29:19,737 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 23:29:19,739 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 23:29:19,752 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 23:29:19,755 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 23:29:19,755 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 23:29:19,758 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 23:29:19,759 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 23:29:19,759 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 23:29:19,760 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 23:29:19,761 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 23:29:19,763 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 23:29:19,765 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 23:29:19,768 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 23:29:19,770 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 23:29:19,773 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 23:29:19,775 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 23:29:19,778 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 23:29:19,779 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 23:29:19,780 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 23:29:19,785 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 23:29:19,785 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 23:29:19,786 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 23:29:19,789 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 23:29:19,790 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 23:29:19,792 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 23:29:19,793 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 23:29:19,794 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 23:29:19,795 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 23:29:19,795 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 23:29:19,800 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 23:29:19,800 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 23:29:19,801 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 23:29:19,801 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 23:29:19,801 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 23:29:19,802 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 23:29:19,806 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 23:29:19,807 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 23:29:19,829 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 23:29:19,830 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 23:29:19,832 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 23:29:19,832 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 23:29:19,832 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 23:29:19,833 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 23:29:19,833 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 23:29:19,833 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 23:29:19,833 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 23:29:19,833 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 23:29:19,835 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 23:29:19,835 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 23:29:19,835 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 23:29:19,836 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 23:29:19,836 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 23:29:19,836 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 23:29:19,836 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 23:29:19,836 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 23:29:19,837 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 23:29:19,837 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 23:29:19,837 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 23:29:19,837 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 23:29:19,837 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 23:29:19,838 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 23:29:19,838 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 23:29:19,838 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 23:29:19,838 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 23:29:19,838 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 23:29:19,838 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-14 23:29:20,145 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 23:29:20,165 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 23:29:20,169 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 23:29:20,170 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 23:29:20,171 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 23:29:20,172 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec6_product22.cil.c [2019-10-14 23:29:20,249 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/caf2f35b8/34fde36fbc3b4eacbcbabfc9e0e1b47b/FLAG5df88d3bd [2019-10-14 23:29:20,874 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 23:29:20,875 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec6_product22.cil.c [2019-10-14 23:29:20,897 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/caf2f35b8/34fde36fbc3b4eacbcbabfc9e0e1b47b/FLAG5df88d3bd [2019-10-14 23:29:21,048 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/caf2f35b8/34fde36fbc3b4eacbcbabfc9e0e1b47b [2019-10-14 23:29:21,058 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 23:29:21,060 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 23:29:21,061 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 23:29:21,061 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 23:29:21,065 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 23:29:21,066 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:29:21" (1/1) ... [2019-10-14 23:29:21,069 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74752006 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:29:21, skipping insertion in model container [2019-10-14 23:29:21,069 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:29:21" (1/1) ... [2019-10-14 23:29:21,077 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 23:29:21,147 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 23:29:21,825 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:29:21,850 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 23:29:21,991 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:29:22,134 INFO L192 MainTranslator]: Completed translation [2019-10-14 23:29:22,135 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:29:22 WrapperNode [2019-10-14 23:29:22,136 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 23:29:22,137 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 23:29:22,137 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 23:29:22,137 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 23:29:22,157 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:29:22" (1/1) ... [2019-10-14 23:29:22,158 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:29:22" (1/1) ... [2019-10-14 23:29:22,221 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:29:22" (1/1) ... [2019-10-14 23:29:22,222 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:29:22" (1/1) ... [2019-10-14 23:29:22,303 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:29:22" (1/1) ... [2019-10-14 23:29:22,343 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:29:22" (1/1) ... [2019-10-14 23:29:22,364 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:29:22" (1/1) ... [2019-10-14 23:29:22,401 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 23:29:22,405 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 23:29:22,406 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 23:29:22,406 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 23:29:22,411 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:29:22" (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 23:29:22,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 23:29:22,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 23:29:22,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-14 23:29:22,514 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-14 23:29:22,515 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-14 23:29:22,516 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-14 23:29:22,516 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-14 23:29:22,516 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-14 23:29:22,517 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-14 23:29:22,517 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-14 23:29:22,518 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-14 23:29:22,518 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-14 23:29:22,519 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-14 23:29:22,519 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-14 23:29:22,520 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-14 23:29:22,521 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-14 23:29:22,523 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-14 23:29:22,524 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-14 23:29:22,524 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-14 23:29:22,525 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-14 23:29:22,525 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-14 23:29:22,525 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-14 23:29:22,526 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-14 23:29:22,526 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-14 23:29:22,526 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-14 23:29:22,527 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-14 23:29:22,527 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-14 23:29:22,527 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-14 23:29:22,528 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-14 23:29:22,528 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-14 23:29:22,528 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-14 23:29:22,528 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-14 23:29:22,529 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-14 23:29:22,529 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-14 23:29:22,529 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-14 23:29:22,529 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptDecrypt_spec__1 [2019-10-14 23:29:22,530 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptDecrypt_spec__2 [2019-10-14 23:29:22,530 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-14 23:29:22,530 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-14 23:29:22,530 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-14 23:29:22,531 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-14 23:29:22,531 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-14 23:29:22,531 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-14 23:29:22,531 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-14 23:29:22,532 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-14 23:29:22,532 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-14 23:29:22,533 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-14 23:29:22,533 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-14 23:29:22,533 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-14 23:29:22,533 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-14 23:29:22,534 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-14 23:29:22,534 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-14 23:29:22,534 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-14 23:29:22,534 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-14 23:29:22,535 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-14 23:29:22,535 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-14 23:29:22,535 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-14 23:29:22,536 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-14 23:29:22,536 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-14 23:29:22,537 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-14 23:29:22,537 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-14 23:29:22,537 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-14 23:29:22,537 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-14 23:29:22,538 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-14 23:29:22,538 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-14 23:29:22,538 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-14 23:29:22,539 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-14 23:29:22,539 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-14 23:29:22,539 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-14 23:29:22,540 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-14 23:29:22,540 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-14 23:29:22,540 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-14 23:29:22,541 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-14 23:29:22,541 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-14 23:29:22,542 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-14 23:29:22,542 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-14 23:29:22,543 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-14 23:29:22,543 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 23:29:22,543 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-14 23:29:22,543 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-14 23:29:22,544 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-14 23:29:22,544 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-14 23:29:22,545 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-14 23:29:22,545 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-14 23:29:22,546 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-14 23:29:22,546 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-14 23:29:22,546 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-14 23:29:22,547 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-14 23:29:22,548 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-14 23:29:22,548 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-14 23:29:22,548 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-14 23:29:22,549 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-14 23:29:22,550 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-14 23:29:22,550 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2019-10-14 23:29:22,550 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AutoResponder [2019-10-14 23:29:22,551 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-10-14 23:29:22,551 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-14 23:29:22,551 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-14 23:29:22,551 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-14 23:29:22,552 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-14 23:29:22,552 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-14 23:29:22,552 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-14 23:29:22,553 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-14 23:29:22,553 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-14 23:29:22,553 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-14 23:29:22,553 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-14 23:29:22,554 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-14 23:29:22,554 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-14 23:29:22,554 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-14 23:29:22,554 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-14 23:29:22,555 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-14 23:29:22,555 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-14 23:29:22,555 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-14 23:29:22,555 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 23:29:22,556 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 23:29:22,556 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-14 23:29:22,556 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-14 23:29:22,557 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-14 23:29:22,557 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-14 23:29:22,557 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-14 23:29:22,558 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-14 23:29:22,558 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-14 23:29:22,558 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-14 23:29:22,559 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-14 23:29:22,560 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-14 23:29:22,561 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-14 23:29:22,561 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-14 23:29:22,561 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-14 23:29:22,561 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-14 23:29:22,562 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-14 23:29:22,562 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-14 23:29:22,562 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-14 23:29:22,563 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-14 23:29:22,563 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-14 23:29:22,563 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-14 23:29:22,563 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-14 23:29:22,564 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-14 23:29:22,564 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-14 23:29:22,564 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-14 23:29:22,565 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-14 23:29:22,570 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-14 23:29:22,571 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-14 23:29:22,571 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-14 23:29:22,571 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-14 23:29:22,577 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-14 23:29:22,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-14 23:29:22,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 23:29:22,578 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-14 23:29:22,578 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-14 23:29:22,578 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 23:29:22,579 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-14 23:29:22,579 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-14 23:29:22,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 23:29:22,580 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-14 23:29:22,581 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-14 23:29:22,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-14 23:29:22,581 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-14 23:29:22,581 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-14 23:29:22,581 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-14 23:29:22,582 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-14 23:29:22,582 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-14 23:29:22,582 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-14 23:29:22,582 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-14 23:29:22,583 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptDecrypt_spec__1 [2019-10-14 23:29:22,583 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptDecrypt_spec__2 [2019-10-14 23:29:22,583 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-14 23:29:22,583 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-14 23:29:22,583 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-14 23:29:22,584 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-14 23:29:22,584 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-14 23:29:22,584 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-14 23:29:22,584 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-14 23:29:22,584 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-14 23:29:22,585 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-14 23:29:22,585 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-14 23:29:22,585 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-14 23:29:22,585 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-14 23:29:22,585 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-14 23:29:22,586 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-14 23:29:22,586 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-14 23:29:22,586 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-14 23:29:22,586 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-14 23:29:22,587 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-14 23:29:22,587 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-14 23:29:22,587 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-14 23:29:22,587 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-14 23:29:22,587 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-14 23:29:22,588 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-14 23:29:22,588 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-14 23:29:22,588 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-14 23:29:22,588 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-14 23:29:22,589 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-14 23:29:22,589 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-14 23:29:22,589 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-14 23:29:22,589 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-14 23:29:22,590 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-14 23:29:22,590 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-14 23:29:22,590 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-14 23:29:22,590 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-14 23:29:22,590 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-14 23:29:22,590 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-14 23:29:22,591 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-14 23:29:22,591 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-14 23:29:22,591 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-14 23:29:22,591 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-14 23:29:22,592 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-14 23:29:22,592 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-14 23:29:22,592 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-14 23:29:22,592 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-14 23:29:22,592 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-14 23:29:22,593 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-14 23:29:22,593 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-14 23:29:22,593 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-14 23:29:22,593 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-14 23:29:22,593 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-14 23:29:22,594 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 23:29:22,594 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-14 23:29:22,594 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-14 23:29:22,594 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-14 23:29:22,594 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-14 23:29:22,595 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-14 23:29:22,595 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-14 23:29:22,595 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-14 23:29:22,595 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-14 23:29:22,595 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-14 23:29:22,596 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-14 23:29:22,596 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-14 23:29:22,596 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-14 23:29:22,596 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-14 23:29:22,596 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-14 23:29:22,597 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-14 23:29:22,597 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2019-10-14 23:29:22,597 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AutoResponder [2019-10-14 23:29:22,597 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-10-14 23:29:22,597 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-14 23:29:22,598 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-14 23:29:22,598 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-14 23:29:22,598 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-14 23:29:22,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 23:29:22,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-14 23:29:22,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 23:29:24,836 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 23:29:24,837 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-14 23:29:24,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:29:24 BoogieIcfgContainer [2019-10-14 23:29:24,840 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 23:29:24,842 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-14 23:29:24,842 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-14 23:29:24,845 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-14 23:29:24,846 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:29:21" (1/3) ... [2019-10-14 23:29:24,847 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7aa57a7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:29:24, skipping insertion in model container [2019-10-14 23:29:24,847 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:29:22" (2/3) ... [2019-10-14 23:29:24,847 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7aa57a7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:29:24, skipping insertion in model container [2019-10-14 23:29:24,848 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:29:24" (3/3) ... [2019-10-14 23:29:24,850 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec6_product22.cil.c [2019-10-14 23:29:24,859 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-14 23:29:24,872 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-14 23:29:24,885 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-14 23:29:24,935 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-14 23:29:24,936 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-14 23:29:24,936 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-14 23:29:24,936 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-14 23:29:24,936 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-14 23:29:24,936 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-14 23:29:24,936 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-14 23:29:24,937 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-14 23:29:24,971 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states. [2019-10-14 23:29:24,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2019-10-14 23:29:24,992 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:29:24,993 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:29:24,995 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:29:25,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:29:25,002 INFO L82 PathProgramCache]: Analyzing trace with hash 769070679, now seen corresponding path program 1 times [2019-10-14 23:29:25,011 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:29:25,011 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682394] [2019-10-14 23:29:25,012 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:29:25,012 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:29:25,012 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:29:25,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:29:27,417 WARN L191 SmtUtils]: Spent 1.78 s on a formula simplification that was a NOOP. DAG size: 562 [2019-10-14 23:29:27,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:29:27,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:29:27,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:29:27,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:29:27,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:29:27,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:29:27,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:29:27,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:29:27,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:29:27,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:29:27,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:29:27,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:29:27,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:29:27,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:29:27,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:29:27,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:29:27,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:29:27,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:29:27,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:29:27,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:29:27,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:29:27,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:29:27,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:29:27,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:29:27,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:29:27,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:29:27,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:29:27,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:29:27,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:29:27,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:29:27,871 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-10-14 23:29:27,871 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682394] [2019-10-14 23:29:27,872 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:29:27,872 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-10-14 23:29:27,873 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396156214] [2019-10-14 23:29:27,878 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-14 23:29:27,878 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:29:27,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-14 23:29:27,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2019-10-14 23:29:27,894 INFO L87 Difference]: Start difference. First operand 516 states. Second operand 11 states. [2019-10-14 23:29:44,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:29:44,656 INFO L93 Difference]: Finished difference Result 1126 states and 1637 transitions. [2019-10-14 23:29:44,657 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2019-10-14 23:29:44,659 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 176 [2019-10-14 23:29:44,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:29:44,686 INFO L225 Difference]: With dead ends: 1126 [2019-10-14 23:29:44,686 INFO L226 Difference]: Without dead ends: 788 [2019-10-14 23:29:44,694 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 196 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=269, Invalid=661, Unknown=0, NotChecked=0, Total=930 [2019-10-14 23:29:44,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 788 states. [2019-10-14 23:29:44,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 788 to 493. [2019-10-14 23:29:44,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 493 states. [2019-10-14 23:29:44,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 493 states and 653 transitions. [2019-10-14 23:29:44,989 INFO L78 Accepts]: Start accepts. Automaton has 493 states and 653 transitions. Word has length 176 [2019-10-14 23:29:44,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:29:44,990 INFO L462 AbstractCegarLoop]: Abstraction has 493 states and 653 transitions. [2019-10-14 23:29:44,990 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-14 23:29:44,990 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 653 transitions. [2019-10-14 23:29:44,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2019-10-14 23:29:44,996 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:29:44,996 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:29:44,996 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:29:44,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:29:44,997 INFO L82 PathProgramCache]: Analyzing trace with hash -688559635, now seen corresponding path program 1 times [2019-10-14 23:29:44,997 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:29:44,997 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040983082] [2019-10-14 23:29:44,997 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:29:44,998 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:29:44,998 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:29:45,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:29:46,750 WARN L191 SmtUtils]: Spent 1.54 s on a formula simplification that was a NOOP. DAG size: 562 [2019-10-14 23:29:46,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:29:46,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:29:46,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:29:46,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:29:46,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:29:46,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:29:46,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:29:46,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:29:46,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:29:46,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:29:46,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:29:46,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:29:46,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:29:46,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:29:46,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:29:46,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:29:46,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:29:46,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:29:47,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:29:47,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:29:47,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:29:47,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:29:47,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:29:47,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:29:47,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:29:47,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:29:47,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:29:47,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:29:47,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:29:47,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:29:47,146 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-10-14 23:29:47,146 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040983082] [2019-10-14 23:29:47,146 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:29:47,146 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-10-14 23:29:47,147 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822598827] [2019-10-14 23:29:47,162 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-14 23:29:47,162 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:29:47,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-14 23:29:47,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2019-10-14 23:29:47,163 INFO L87 Difference]: Start difference. First operand 493 states and 653 transitions. Second operand 12 states. [2019-10-14 23:29:51,151 WARN L191 SmtUtils]: Spent 1.55 s on a formula simplification that was a NOOP. DAG size: 565