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_spec0_product09.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-14 23:23:22,730 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 23:23:22,733 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 23:23:22,751 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 23:23:22,751 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 23:23:22,753 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 23:23:22,755 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 23:23:22,764 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 23:23:22,768 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 23:23:22,771 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 23:23:22,773 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 23:23:22,774 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 23:23:22,774 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 23:23:22,776 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 23:23:22,778 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 23:23:22,779 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 23:23:22,781 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 23:23:22,782 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 23:23:22,783 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 23:23:22,787 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 23:23:22,792 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 23:23:22,795 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 23:23:22,797 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 23:23:22,798 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 23:23:22,800 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 23:23:22,800 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 23:23:22,800 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 23:23:22,802 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 23:23:22,803 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 23:23:22,804 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 23:23:22,804 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 23:23:22,805 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 23:23:22,806 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 23:23:22,807 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 23:23:22,808 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 23:23:22,809 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 23:23:22,809 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 23:23:22,809 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 23:23:22,810 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 23:23:22,810 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 23:23:22,812 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 23:23:22,813 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 23:23:22,845 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 23:23:22,846 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 23:23:22,850 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 23:23:22,850 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 23:23:22,850 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 23:23:22,850 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 23:23:22,851 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 23:23:22,851 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 23:23:22,851 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 23:23:22,851 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 23:23:22,851 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 23:23:22,852 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 23:23:22,852 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 23:23:22,852 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 23:23:22,852 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 23:23:22,852 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 23:23:22,852 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 23:23:22,853 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 23:23:22,853 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 23:23:22,853 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 23:23:22,853 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 23:23:22,853 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 23:23:22,854 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 23:23:22,854 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 23:23:22,854 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 23:23:22,855 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 23:23:22,855 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 23:23:22,855 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 23:23:22,855 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-14 23:23:23,146 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 23:23:23,168 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 23:23:23,172 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 23:23:23,173 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 23:23:23,173 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 23:23:23,174 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec0_product09.cil.c [2019-10-14 23:23:23,246 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7b07cae9/529b9f24ad48424c95af646ad87e9dae/FLAGcc73928be [2019-10-14 23:23:23,835 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 23:23:23,836 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec0_product09.cil.c [2019-10-14 23:23:23,864 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7b07cae9/529b9f24ad48424c95af646ad87e9dae/FLAGcc73928be [2019-10-14 23:23:24,054 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7b07cae9/529b9f24ad48424c95af646ad87e9dae [2019-10-14 23:23:24,062 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 23:23:24,064 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 23:23:24,065 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 23:23:24,065 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 23:23:24,069 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 23:23:24,070 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:23:24" (1/1) ... [2019-10-14 23:23:24,075 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c65c842 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:23:24, skipping insertion in model container [2019-10-14 23:23:24,075 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:23:24" (1/1) ... [2019-10-14 23:23:24,082 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 23:23:24,150 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 23:23:24,817 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:23:24,850 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 23:23:25,018 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:23:25,098 INFO L192 MainTranslator]: Completed translation [2019-10-14 23:23:25,098 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:23:25 WrapperNode [2019-10-14 23:23:25,099 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 23:23:25,099 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 23:23:25,100 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 23:23:25,100 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 23:23:25,113 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:23:25" (1/1) ... [2019-10-14 23:23:25,114 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:23:25" (1/1) ... [2019-10-14 23:23:25,142 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:23:25" (1/1) ... [2019-10-14 23:23:25,143 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:23:25" (1/1) ... [2019-10-14 23:23:25,226 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:23:25" (1/1) ... [2019-10-14 23:23:25,258 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:23:25" (1/1) ... [2019-10-14 23:23:25,272 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:23:25" (1/1) ... [2019-10-14 23:23:25,289 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 23:23:25,290 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 23:23:25,290 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 23:23:25,290 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 23:23:25,291 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:23:25" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 23:23:25,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 23:23:25,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 23:23:25,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-14 23:23:25,346 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-14 23:23:25,347 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-14 23:23:25,347 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-14 23:23:25,347 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-14 23:23:25,347 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-14 23:23:25,347 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-14 23:23:25,348 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-14 23:23:25,348 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-14 23:23:25,348 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-14 23:23:25,348 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-14 23:23:25,349 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-14 23:23:25,349 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 23:23:25,349 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-14 23:23:25,349 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-14 23:23:25,350 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-14 23:23:25,350 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-14 23:23:25,350 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-14 23:23:25,350 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-14 23:23:25,350 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-14 23:23:25,352 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-14 23:23:25,352 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-14 23:23:25,352 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-14 23:23:25,354 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-14 23:23:25,354 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-14 23:23:25,355 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-14 23:23:25,355 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-14 23:23:25,355 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-14 23:23:25,355 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-14 23:23:25,355 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-14 23:23:25,355 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-14 23:23:25,356 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-14 23:23:25,356 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-14 23:23:25,356 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-14 23:23:25,356 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-14 23:23:25,356 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-14 23:23:25,356 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-14 23:23:25,357 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-14 23:23:25,357 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-14 23:23:25,357 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-14 23:23:25,357 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-14 23:23:25,357 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-14 23:23:25,357 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-14 23:23:25,357 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-14 23:23:25,358 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-14 23:23:25,358 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-14 23:23:25,358 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-14 23:23:25,358 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-14 23:23:25,358 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-14 23:23:25,358 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-14 23:23:25,358 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-14 23:23:25,358 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-14 23:23:25,359 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-14 23:23:25,359 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-14 23:23:25,359 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-14 23:23:25,359 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-14 23:23:25,359 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-14 23:23:25,359 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-14 23:23:25,359 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-14 23:23:25,360 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-14 23:23:25,360 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-14 23:23:25,360 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-14 23:23:25,360 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-14 23:23:25,360 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-14 23:23:25,360 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-14 23:23:25,360 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-14 23:23:25,360 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-14 23:23:25,361 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-14 23:23:25,361 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-14 23:23:25,361 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-14 23:23:25,361 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-14 23:23:25,361 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-14 23:23:25,361 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Base [2019-10-14 23:23:25,362 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-14 23:23:25,362 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-14 23:23:25,362 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AddressBook [2019-10-14 23:23:25,362 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-14 23:23:25,362 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-14 23:23:25,362 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-14 23:23:25,362 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-14 23:23:25,363 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-14 23:23:25,363 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-14 23:23:25,363 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-14 23:23:25,363 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-14 23:23:25,363 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-14 23:23:25,363 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-14 23:23:25,364 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-14 23:23:25,364 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-14 23:23:25,364 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-14 23:23:25,364 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-14 23:23:25,364 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-14 23:23:25,365 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptForward_spec__1 [2019-10-14 23:23:25,365 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 23:23:25,365 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 23:23:25,365 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-14 23:23:25,365 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-14 23:23:25,366 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-14 23:23:25,366 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-14 23:23:25,366 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-14 23:23:25,366 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-14 23:23:25,366 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-14 23:23:25,366 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-14 23:23:25,366 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-14 23:23:25,366 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-14 23:23:25,367 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-14 23:23:25,367 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-14 23:23:25,367 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-14 23:23:25,367 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-14 23:23:25,367 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-14 23:23:25,367 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-14 23:23:25,367 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-14 23:23:25,367 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-14 23:23:25,368 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-14 23:23:25,368 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-14 23:23:25,368 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-14 23:23:25,368 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-14 23:23:25,368 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-14 23:23:25,368 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-14 23:23:25,369 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-14 23:23:25,369 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 23:23:25,369 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-14 23:23:25,369 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-14 23:23:25,369 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-14 23:23:25,369 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-14 23:23:25,370 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-14 23:23:25,370 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-14 23:23:25,370 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-14 23:23:25,370 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-14 23:23:25,370 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-14 23:23:25,371 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-14 23:23:25,371 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-14 23:23:25,371 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-14 23:23:25,371 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-14 23:23:25,371 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-14 23:23:25,372 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-14 23:23:25,372 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-14 23:23:25,372 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-14 23:23:25,372 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-14 23:23:25,372 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-14 23:23:25,373 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-14 23:23:25,373 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-14 23:23:25,373 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-14 23:23:25,373 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-14 23:23:25,373 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-14 23:23:25,373 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-14 23:23:25,374 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-14 23:23:25,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-14 23:23:25,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-14 23:23:25,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 23:23:25,374 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-14 23:23:25,375 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-14 23:23:25,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 23:23:25,375 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-14 23:23:25,375 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-14 23:23:25,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 23:23:25,375 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-14 23:23:25,376 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-14 23:23:25,376 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-14 23:23:25,376 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-14 23:23:25,376 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-14 23:23:25,376 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-14 23:23:25,376 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-14 23:23:25,377 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-14 23:23:25,377 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-14 23:23:25,377 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-14 23:23:25,377 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-14 23:23:25,377 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-14 23:23:25,377 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-14 23:23:25,378 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-14 23:23:25,378 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-14 23:23:25,378 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-14 23:23:25,378 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-14 23:23:25,378 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-14 23:23:25,378 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-14 23:23:25,379 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-14 23:23:25,379 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-14 23:23:25,379 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-14 23:23:25,379 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-14 23:23:25,379 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-14 23:23:25,379 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-14 23:23:25,380 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-14 23:23:25,380 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-14 23:23:25,380 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-14 23:23:25,380 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-14 23:23:25,380 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-14 23:23:25,380 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-14 23:23:25,381 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-14 23:23:25,381 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-14 23:23:25,381 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-14 23:23:25,381 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-14 23:23:25,381 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-14 23:23:25,381 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Base [2019-10-14 23:23:25,381 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AddressBook [2019-10-14 23:23:25,382 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptForward_spec__1 [2019-10-14 23:23:25,382 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-14 23:23:25,382 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-14 23:23:25,382 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-14 23:23:25,382 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-14 23:23:25,382 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 23:23:25,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-14 23:23:25,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 23:23:27,110 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 23:23:27,110 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-14 23:23:27,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:23:27 BoogieIcfgContainer [2019-10-14 23:23:27,112 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 23:23:27,113 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-14 23:23:27,113 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-14 23:23:27,116 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-14 23:23:27,117 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:23:24" (1/3) ... [2019-10-14 23:23:27,117 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1180bb9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:23:27, skipping insertion in model container [2019-10-14 23:23:27,118 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:23:25" (2/3) ... [2019-10-14 23:23:27,118 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1180bb9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:23:27, skipping insertion in model container [2019-10-14 23:23:27,118 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:23:27" (3/3) ... [2019-10-14 23:23:27,120 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec0_product09.cil.c [2019-10-14 23:23:27,129 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-14 23:23:27,138 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-14 23:23:27,149 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-14 23:23:27,175 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-14 23:23:27,175 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-14 23:23:27,176 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-14 23:23:27,176 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-14 23:23:27,176 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-14 23:23:27,176 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-14 23:23:27,176 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-14 23:23:27,176 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-14 23:23:27,201 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states. [2019-10-14 23:23:27,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2019-10-14 23:23:27,218 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:23:27,219 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-14 23:23:27,222 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:23:27,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:23:27,227 INFO L82 PathProgramCache]: Analyzing trace with hash -2004668171, now seen corresponding path program 1 times [2019-10-14 23:23:27,236 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:23:27,236 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142248806] [2019-10-14 23:23:27,237 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:23:27,237 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:23:27,237 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:23:27,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:29,326 WARN L191 SmtUtils]: Spent 1.51 s on a formula simplification that was a NOOP. DAG size: 511 [2019-10-14 23:23:29,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:29,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:29,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:29,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:29,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:29,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:29,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:29,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:29,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:29,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:29,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:29,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:29,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:29,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:29,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:29,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:29,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:29,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:29,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:29,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:29,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:29,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:29,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:29,646 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-14 23:23:29,647 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142248806] [2019-10-14 23:23:29,648 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:23:29,648 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-14 23:23:29,651 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85574317] [2019-10-14 23:23:29,658 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-14 23:23:29,659 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:23:29,673 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-14 23:23:29,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2019-10-14 23:23:29,686 INFO L87 Difference]: Start difference. First operand 321 states. Second operand 8 states. [2019-10-14 23:23:37,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:23:37,536 INFO L93 Difference]: Finished difference Result 700 states and 1042 transitions. [2019-10-14 23:23:37,537 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-10-14 23:23:37,539 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 139 [2019-10-14 23:23:37,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:23:37,559 INFO L225 Difference]: With dead ends: 700 [2019-10-14 23:23:37,560 INFO L226 Difference]: Without dead ends: 466 [2019-10-14 23:23:37,572 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182 [2019-10-14 23:23:37,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 466 states. [2019-10-14 23:23:37,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 466 to 302. [2019-10-14 23:23:37,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 302 states. [2019-10-14 23:23:37,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 404 transitions. [2019-10-14 23:23:37,757 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 404 transitions. Word has length 139 [2019-10-14 23:23:37,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:23:37,757 INFO L462 AbstractCegarLoop]: Abstraction has 302 states and 404 transitions. [2019-10-14 23:23:37,758 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-14 23:23:37,758 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 404 transitions. [2019-10-14 23:23:37,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2019-10-14 23:23:37,763 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:23:37,763 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-14 23:23:37,764 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:23:37,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:23:37,764 INFO L82 PathProgramCache]: Analyzing trace with hash 406491855, now seen corresponding path program 1 times [2019-10-14 23:23:37,764 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:23:37,765 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132007228] [2019-10-14 23:23:37,765 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:23:37,765 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:23:37,765 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:23:37,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:39,219 WARN L191 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 511 [2019-10-14 23:23:39,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:39,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:39,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:39,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:39,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:39,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:39,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:39,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:39,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:39,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:39,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:39,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:39,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:39,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:39,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:39,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:39,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:39,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:39,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:39,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:39,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:39,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:39,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:39,467 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-14 23:23:39,467 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132007228] [2019-10-14 23:23:39,468 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:23:39,468 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-14 23:23:39,468 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689932519] [2019-10-14 23:23:39,482 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-14 23:23:39,483 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:23:39,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-14 23:23:39,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2019-10-14 23:23:39,489 INFO L87 Difference]: Start difference. First operand 302 states and 404 transitions. Second operand 9 states. [2019-10-14 23:23:41,738 WARN L191 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 514 [2019-10-14 23:23:48,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:23:48,271 INFO L93 Difference]: Finished difference Result 643 states and 911 transitions. [2019-10-14 23:23:48,271 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-14 23:23:48,272 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 140 [2019-10-14 23:23:48,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:23:48,277 INFO L225 Difference]: With dead ends: 643 [2019-10-14 23:23:48,277 INFO L226 Difference]: Without dead ends: 469 [2019-10-14 23:23:48,279 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=66, Invalid=116, Unknown=0, NotChecked=0, Total=182 [2019-10-14 23:23:48,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2019-10-14 23:23:48,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 304. [2019-10-14 23:23:48,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 304 states. [2019-10-14 23:23:48,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 406 transitions. [2019-10-14 23:23:48,419 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 406 transitions. Word has length 140 [2019-10-14 23:23:48,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:23:48,420 INFO L462 AbstractCegarLoop]: Abstraction has 304 states and 406 transitions. [2019-10-14 23:23:48,420 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-14 23:23:48,420 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 406 transitions. [2019-10-14 23:23:48,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2019-10-14 23:23:48,423 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:23:48,423 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 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] [2019-10-14 23:23:48,424 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:23:48,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:23:48,424 INFO L82 PathProgramCache]: Analyzing trace with hash 356181584, now seen corresponding path program 1 times [2019-10-14 23:23:48,424 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:23:48,425 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510108642] [2019-10-14 23:23:48,425 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:23:48,425 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:23:48,425 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:23:48,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:49,847 WARN L191 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 511 [2019-10-14 23:23:49,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:49,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:49,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:49,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:49,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:49,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:49,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:49,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:49,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:49,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:49,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:49,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:50,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:50,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:50,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:50,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:50,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:50,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:50,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:50,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:50,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:50,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:50,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:50,118 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-10-14 23:23:50,118 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510108642] [2019-10-14 23:23:50,119 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:23:50,119 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-10-14 23:23:50,122 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835366062] [2019-10-14 23:23:50,123 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-14 23:23:50,124 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:23:50,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-14 23:23:50,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2019-10-14 23:23:50,125 INFO L87 Difference]: Start difference. First operand 304 states and 406 transitions. Second operand 12 states. [2019-10-14 23:23:51,734 WARN L191 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 513 [2019-10-14 23:24:00,788 WARN L191 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 515 [2019-10-14 23:24:02,187 WARN L191 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 515 [2019-10-14 23:24:03,484 WARN L191 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 515