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/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/product-lines/email_spec7_product18.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:29:16,816 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:29:16,818 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:29:16,830 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:29:16,831 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:29:16,832 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:29:16,833 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:29:16,835 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:29:16,837 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:29:16,838 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:29:16,839 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:29:16,841 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:29:16,841 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:29:16,842 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:29:16,843 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:29:16,845 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:29:16,846 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:29:16,847 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:29:16,848 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:29:16,851 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:29:16,852 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:29:16,853 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:29:16,855 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:29:16,855 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:29:16,858 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 13:29:16,858 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 13:29:16,858 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 13:29:16,862 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 13:29:16,863 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 13:29:16,864 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 13:29:16,864 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:29:16,864 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:29:16,865 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:29:16,866 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:29:16,867 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:29:16,870 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:29:16,871 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:29:16,871 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:29:16,871 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:29:16,872 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:29:16,873 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:29:16,874 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-20 13:29:16,901 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:29:16,902 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:29:16,903 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-20 13:29:16,903 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-20 13:29:16,904 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-20 13:29:16,904 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-20 13:29:16,904 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-20 13:29:16,904 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-20 13:29:16,905 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-20 13:29:16,905 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-20 13:29:16,907 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:29:16,907 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:29:16,908 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:29:16,908 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:29:16,908 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:29:16,908 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:29:16,909 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:29:16,909 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:29:16,909 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:29:16,909 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:29:16,910 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:29:16,910 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-20 13:29:16,910 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:29:16,910 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:29:16,911 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:29:16,911 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:29:16,911 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-20 13:29:16,911 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:29:16,911 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:29:16,912 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-20 13:29:16,960 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:29:16,972 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:29:16,975 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:29:16,977 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:29:16,977 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:29:16,978 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec7_product18.cil.c [2019-09-20 13:29:17,040 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb8afb297/fc8e8b5871f34860ac938530d37ab864/FLAG57a17339b [2019-09-20 13:29:17,685 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:29:17,686 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec7_product18.cil.c [2019-09-20 13:29:17,715 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb8afb297/fc8e8b5871f34860ac938530d37ab864/FLAG57a17339b [2019-09-20 13:29:17,904 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb8afb297/fc8e8b5871f34860ac938530d37ab864 [2019-09-20 13:29:17,914 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:29:17,916 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:29:17,918 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:29:17,918 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:29:17,922 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:29:17,923 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:29:17" (1/1) ... [2019-09-20 13:29:17,926 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@662e16af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:17, skipping insertion in model container [2019-09-20 13:29:17,927 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:29:17" (1/1) ... [2019-09-20 13:29:17,934 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:29:18,016 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:29:18,680 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:29:18,698 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:29:18,873 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:29:18,970 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:29:18,971 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:18 WrapperNode [2019-09-20 13:29:18,971 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:29:18,972 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:29:18,972 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:29:18,972 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:29:18,986 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:18" (1/1) ... [2019-09-20 13:29:18,988 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:18" (1/1) ... [2019-09-20 13:29:19,049 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:18" (1/1) ... [2019-09-20 13:29:19,050 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:18" (1/1) ... [2019-09-20 13:29:19,109 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:18" (1/1) ... [2019-09-20 13:29:19,140 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:18" (1/1) ... [2019-09-20 13:29:19,157 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:18" (1/1) ... [2019-09-20 13:29:19,175 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:29:19,176 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:29:19,176 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:29:19,176 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:29:19,177 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:18" (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 [2019-09-20 13:29:19,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:29:19,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:29:19,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 13:29:19,250 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-09-20 13:29:19,250 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 13:29:19,250 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 13:29:19,250 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 13:29:19,251 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 13:29:19,251 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 13:29:19,251 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 13:29:19,251 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 13:29:19,252 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 13:29:19,252 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 13:29:19,252 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 13:29:19,252 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-09-20 13:29:19,252 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-09-20 13:29:19,253 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-09-20 13:29:19,253 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-09-20 13:29:19,253 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-09-20 13:29:19,253 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-09-20 13:29:19,253 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-09-20 13:29:19,254 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-09-20 13:29:19,254 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-09-20 13:29:19,254 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-09-20 13:29:19,254 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-09-20 13:29:19,255 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-09-20 13:29:19,255 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-09-20 13:29:19,255 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-09-20 13:29:19,255 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-09-20 13:29:19,255 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-09-20 13:29:19,256 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-09-20 13:29:19,256 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-09-20 13:29:19,256 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-09-20 13:29:19,256 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-09-20 13:29:19,256 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-09-20 13:29:19,256 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-09-20 13:29:19,257 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-09-20 13:29:19,257 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-09-20 13:29:19,257 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-09-20 13:29:19,257 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-09-20 13:29:19,257 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-09-20 13:29:19,258 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-09-20 13:29:19,258 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-09-20 13:29:19,258 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-09-20 13:29:19,258 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-09-20 13:29:19,258 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-09-20 13:29:19,258 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-09-20 13:29:19,259 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-09-20 13:29:19,259 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-09-20 13:29:19,259 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-09-20 13:29:19,259 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-09-20 13:29:19,259 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-09-20 13:29:19,260 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-09-20 13:29:19,260 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-09-20 13:29:19,260 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-09-20 13:29:19,260 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-09-20 13:29:19,260 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-09-20 13:29:19,260 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-09-20 13:29:19,261 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-09-20 13:29:19,261 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-09-20 13:29:19,261 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-09-20 13:29:19,261 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-09-20 13:29:19,261 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-09-20 13:29:19,262 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-09-20 13:29:19,262 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 13:29:19,262 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-09-20 13:29:19,262 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-09-20 13:29:19,262 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-09-20 13:29:19,262 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-09-20 13:29:19,263 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-09-20 13:29:19,263 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-09-20 13:29:19,263 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-09-20 13:29:19,263 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-09-20 13:29:19,263 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 13:29:19,264 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:29:19,264 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-09-20 13:29:19,264 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-09-20 13:29:19,264 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-09-20 13:29:19,264 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-09-20 13:29:19,265 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-09-20 13:29:19,265 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-09-20 13:29:19,265 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-09-20 13:29:19,265 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-09-20 13:29:19,265 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-09-20 13:29:19,265 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-09-20 13:29:19,265 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AutoResponder [2019-09-20 13:29:19,266 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2019-09-20 13:29:19,266 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-09-20 13:29:19,266 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-09-20 13:29:19,266 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-09-20 13:29:19,266 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-09-20 13:29:19,266 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-09-20 13:29:19,267 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-09-20 13:29:19,267 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-09-20 13:29:19,267 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-09-20 13:29:19,267 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Keys [2019-09-20 13:29:19,267 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-09-20 13:29:19,267 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-09-20 13:29:19,267 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-09-20 13:29:19,268 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-09-20 13:29:19,268 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-09-20 13:29:19,268 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-09-20 13:29:19,268 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-09-20 13:29:19,268 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-09-20 13:29:19,268 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-09-20 13:29:19,269 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-09-20 13:29:19,269 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-09-20 13:29:19,269 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-09-20 13:29:19,269 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-09-20 13:29:19,269 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 13:29:19,269 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptVerify_spec__1 [2019-09-20 13:29:19,269 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:29:19,270 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:29:19,270 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 13:29:19,270 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-09-20 13:29:19,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 13:29:19,270 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 13:29:19,270 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 13:29:19,271 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 13:29:19,271 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 13:29:19,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 13:29:19,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 13:29:19,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 13:29:19,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 13:29:19,271 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 13:29:19,272 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 13:29:19,272 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 13:29:19,272 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 13:29:19,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 13:29:19,272 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 13:29:19,272 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 13:29:19,273 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 13:29:19,273 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 13:29:19,273 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 13:29:19,273 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 13:29:19,273 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 13:29:19,273 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-09-20 13:29:19,273 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-09-20 13:29:19,274 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-09-20 13:29:19,274 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-09-20 13:29:19,274 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-09-20 13:29:19,274 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-09-20 13:29:19,274 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-09-20 13:29:19,274 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-09-20 13:29:19,275 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-09-20 13:29:19,275 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-09-20 13:29:19,275 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-09-20 13:29:19,275 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-09-20 13:29:19,275 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-09-20 13:29:19,275 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-09-20 13:29:19,276 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-09-20 13:29:19,276 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-09-20 13:29:19,276 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-09-20 13:29:19,276 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-09-20 13:29:19,276 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-09-20 13:29:19,276 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-09-20 13:29:19,276 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-09-20 13:29:19,276 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-09-20 13:29:19,277 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-09-20 13:29:19,277 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-09-20 13:29:19,277 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-09-20 13:29:19,277 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-09-20 13:29:19,277 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-09-20 13:29:19,277 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-09-20 13:29:19,277 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-09-20 13:29:19,278 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-09-20 13:29:19,278 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-09-20 13:29:19,278 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-09-20 13:29:19,278 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-09-20 13:29:19,278 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-09-20 13:29:19,278 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-09-20 13:29:19,278 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-09-20 13:29:19,279 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-09-20 13:29:19,279 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-09-20 13:29:19,279 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-09-20 13:29:19,279 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-09-20 13:29:19,279 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-09-20 13:29:19,279 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-09-20 13:29:19,279 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-09-20 13:29:19,279 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-09-20 13:29:19,280 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-09-20 13:29:19,280 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-09-20 13:29:19,280 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-09-20 13:29:19,280 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-09-20 13:29:19,280 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-09-20 13:29:19,280 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-09-20 13:29:19,280 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 13:29:19,281 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-09-20 13:29:19,281 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-09-20 13:29:19,281 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-09-20 13:29:19,281 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-09-20 13:29:19,281 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-09-20 13:29:19,281 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-09-20 13:29:19,281 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-09-20 13:29:19,282 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-09-20 13:29:19,282 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-09-20 13:29:19,282 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-09-20 13:29:19,282 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-09-20 13:29:19,282 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-09-20 13:29:19,282 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 13:29:19,282 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 13:29:19,283 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:29:19,283 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-09-20 13:29:19,283 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-09-20 13:29:19,283 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-09-20 13:29:19,283 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-09-20 13:29:19,283 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-09-20 13:29:19,283 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-09-20 13:29:19,283 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-09-20 13:29:19,284 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-09-20 13:29:19,284 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-09-20 13:29:19,284 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-09-20 13:29:19,284 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-09-20 13:29:19,284 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-09-20 13:29:19,284 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-09-20 13:29:19,285 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-09-20 13:29:19,285 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-09-20 13:29:19,285 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-09-20 13:29:19,285 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-09-20 13:29:19,285 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AutoResponder [2019-09-20 13:29:19,285 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2019-09-20 13:29:19,285 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-09-20 13:29:19,286 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-09-20 13:29:19,286 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-09-20 13:29:19,286 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-09-20 13:29:19,286 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-09-20 13:29:19,286 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-09-20 13:29:19,286 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-09-20 13:29:19,286 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-09-20 13:29:19,287 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-09-20 13:29:19,287 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-09-20 13:29:19,287 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Keys [2019-09-20 13:29:19,287 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-09-20 13:29:19,287 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptVerify_spec__1 [2019-09-20 13:29:19,287 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:29:19,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 13:29:19,287 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:29:21,414 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:29:21,414 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-20 13:29:21,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:29:21 BoogieIcfgContainer [2019-09-20 13:29:21,417 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:29:21,419 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 13:29:21,420 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 13:29:21,423 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 13:29:21,423 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:29:17" (1/3) ... [2019-09-20 13:29:21,425 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b4e20db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:29:21, skipping insertion in model container [2019-09-20 13:29:21,425 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:18" (2/3) ... [2019-09-20 13:29:21,426 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b4e20db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:29:21, skipping insertion in model container [2019-09-20 13:29:21,426 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:29:21" (3/3) ... [2019-09-20 13:29:21,428 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec7_product18.cil.c [2019-09-20 13:29:21,440 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 13:29:21,452 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 13:29:21,469 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 13:29:21,501 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 13:29:21,501 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-20 13:29:21,501 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 13:29:21,501 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 13:29:21,502 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 13:29:21,502 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 13:29:21,502 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 13:29:21,502 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 13:29:21,528 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states. [2019-09-20 13:29:21,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2019-09-20 13:29:21,553 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:29:21,554 INFO L407 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:29:21,557 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:29:21,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:29:21,563 INFO L82 PathProgramCache]: Analyzing trace with hash -416032173, now seen corresponding path program 1 times [2019-09-20 13:29:21,565 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:29:21,621 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:21,621 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:29:21,622 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:21,622 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:29:21,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:29:22,127 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-09-20 13:29:22,130 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:29:22,130 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-20 13:29:22,130 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:29:22,137 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-20 13:29:22,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-20 13:29:22,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:29:22,157 INFO L87 Difference]: Start difference. First operand 478 states. Second operand 2 states. [2019-09-20 13:29:22,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:29:22,241 INFO L93 Difference]: Finished difference Result 442 states and 584 transitions. [2019-09-20 13:29:22,241 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-20 13:29:22,243 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 150 [2019-09-20 13:29:22,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:29:22,271 INFO L225 Difference]: With dead ends: 442 [2019-09-20 13:29:22,271 INFO L226 Difference]: Without dead ends: 433 [2019-09-20 13:29:22,275 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:29:22,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2019-09-20 13:29:22,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 433. [2019-09-20 13:29:22,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 433 states. [2019-09-20 13:29:22,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 573 transitions. [2019-09-20 13:29:22,357 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 573 transitions. Word has length 150 [2019-09-20 13:29:22,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:29:22,359 INFO L475 AbstractCegarLoop]: Abstraction has 433 states and 573 transitions. [2019-09-20 13:29:22,359 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-20 13:29:22,359 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 573 transitions. [2019-09-20 13:29:22,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2019-09-20 13:29:22,366 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:29:22,366 INFO L407 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:29:22,367 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:29:22,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:29:22,367 INFO L82 PathProgramCache]: Analyzing trace with hash -280393341, now seen corresponding path program 1 times [2019-09-20 13:29:22,367 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:29:22,373 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:22,373 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:29:22,373 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:22,374 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:29:22,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:29:22,743 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-09-20 13:29:22,744 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:29:22,744 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:29:22,744 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:29:22,746 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:29:22,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:29:22,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:29:22,747 INFO L87 Difference]: Start difference. First operand 433 states and 573 transitions. Second operand 3 states. [2019-09-20 13:29:22,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:29:22,802 INFO L93 Difference]: Finished difference Result 436 states and 576 transitions. [2019-09-20 13:29:22,802 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:29:22,802 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 151 [2019-09-20 13:29:22,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:29:22,807 INFO L225 Difference]: With dead ends: 436 [2019-09-20 13:29:22,807 INFO L226 Difference]: Without dead ends: 436 [2019-09-20 13:29:22,808 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:29:22,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2019-09-20 13:29:22,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 435. [2019-09-20 13:29:22,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 435 states. [2019-09-20 13:29:22,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 575 transitions. [2019-09-20 13:29:22,839 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 575 transitions. Word has length 151 [2019-09-20 13:29:22,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:29:22,840 INFO L475 AbstractCegarLoop]: Abstraction has 435 states and 575 transitions. [2019-09-20 13:29:22,840 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:29:22,840 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 575 transitions. [2019-09-20 13:29:22,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2019-09-20 13:29:22,844 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:29:22,844 INFO L407 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:29:22,844 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:29:22,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:29:22,845 INFO L82 PathProgramCache]: Analyzing trace with hash 666657427, now seen corresponding path program 1 times [2019-09-20 13:29:22,845 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:29:22,851 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:22,854 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:29:22,854 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:22,854 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:29:22,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:29:23,032 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-09-20 13:29:23,034 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:29:23,034 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:29:23,034 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:29:23,036 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:29:23,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:29:23,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:29:23,039 INFO L87 Difference]: Start difference. First operand 435 states and 575 transitions. Second operand 3 states. [2019-09-20 13:29:23,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:29:23,078 INFO L93 Difference]: Finished difference Result 476 states and 645 transitions. [2019-09-20 13:29:23,079 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:29:23,079 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 161 [2019-09-20 13:29:23,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:29:23,083 INFO L225 Difference]: With dead ends: 476 [2019-09-20 13:29:23,084 INFO L226 Difference]: Without dead ends: 476 [2019-09-20 13:29:23,084 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:29:23,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2019-09-20 13:29:23,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 475. [2019-09-20 13:29:23,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 475 states. [2019-09-20 13:29:23,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 475 states and 644 transitions. [2019-09-20 13:29:23,121 INFO L78 Accepts]: Start accepts. Automaton has 475 states and 644 transitions. Word has length 161 [2019-09-20 13:29:23,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:29:23,123 INFO L475 AbstractCegarLoop]: Abstraction has 475 states and 644 transitions. [2019-09-20 13:29:23,123 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:29:23,123 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 644 transitions. [2019-09-20 13:29:23,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2019-09-20 13:29:23,129 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:29:23,130 INFO L407 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:29:23,130 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:29:23,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:29:23,131 INFO L82 PathProgramCache]: Analyzing trace with hash -212387997, now seen corresponding path program 1 times [2019-09-20 13:29:23,131 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:29:23,135 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:23,136 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:29:23,136 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:23,136 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:29:23,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:29:23,282 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-09-20 13:29:23,283 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:29:23,283 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:29:23,283 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:29:23,284 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:29:23,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:29:23,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:29:23,285 INFO L87 Difference]: Start difference. First operand 475 states and 644 transitions. Second operand 3 states. [2019-09-20 13:29:23,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:29:23,319 INFO L93 Difference]: Finished difference Result 553 states and 777 transitions. [2019-09-20 13:29:23,321 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:29:23,321 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 162 [2019-09-20 13:29:23,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:29:23,328 INFO L225 Difference]: With dead ends: 553 [2019-09-20 13:29:23,330 INFO L226 Difference]: Without dead ends: 553 [2019-09-20 13:29:23,331 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:29:23,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 553 states. [2019-09-20 13:29:23,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 553 to 552. [2019-09-20 13:29:23,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 552 states. [2019-09-20 13:29:23,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 552 states and 776 transitions. [2019-09-20 13:29:23,365 INFO L78 Accepts]: Start accepts. Automaton has 552 states and 776 transitions. Word has length 162 [2019-09-20 13:29:23,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:29:23,365 INFO L475 AbstractCegarLoop]: Abstraction has 552 states and 776 transitions. [2019-09-20 13:29:23,365 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:29:23,366 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 776 transitions. [2019-09-20 13:29:23,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2019-09-20 13:29:23,374 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:29:23,374 INFO L407 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:29:23,375 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:29:23,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:29:23,375 INFO L82 PathProgramCache]: Analyzing trace with hash -729540045, now seen corresponding path program 1 times [2019-09-20 13:29:23,375 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:29:23,422 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:23,422 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:29:23,422 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:23,423 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:29:23,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:29:23,604 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-09-20 13:29:23,604 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:29:23,605 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:29:23,605 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:29:23,606 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:29:23,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:29:23,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:29:23,607 INFO L87 Difference]: Start difference. First operand 552 states and 776 transitions. Second operand 3 states. [2019-09-20 13:29:23,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:29:23,649 INFO L93 Difference]: Finished difference Result 701 states and 1029 transitions. [2019-09-20 13:29:23,649 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:29:23,649 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 163 [2019-09-20 13:29:23,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:29:23,656 INFO L225 Difference]: With dead ends: 701 [2019-09-20 13:29:23,656 INFO L226 Difference]: Without dead ends: 701 [2019-09-20 13:29:23,657 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:29:23,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 701 states. [2019-09-20 13:29:23,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 701 to 700. [2019-09-20 13:29:23,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 700 states. [2019-09-20 13:29:23,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 700 states to 700 states and 1028 transitions. [2019-09-20 13:29:23,716 INFO L78 Accepts]: Start accepts. Automaton has 700 states and 1028 transitions. Word has length 163 [2019-09-20 13:29:23,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:29:23,717 INFO L475 AbstractCegarLoop]: Abstraction has 700 states and 1028 transitions. [2019-09-20 13:29:23,717 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:29:23,717 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 1028 transitions. [2019-09-20 13:29:23,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2019-09-20 13:29:23,724 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:29:23,725 INFO L407 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:29:23,725 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:29:23,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:29:23,728 INFO L82 PathProgramCache]: Analyzing trace with hash 1419526083, now seen corresponding path program 1 times [2019-09-20 13:29:23,728 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:29:23,734 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:23,735 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:29:23,735 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:23,735 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:29:23,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:29:23,951 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-09-20 13:29:23,952 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:29:23,952 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:29:23,952 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:29:23,954 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:29:23,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:29:23,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:29:23,955 INFO L87 Difference]: Start difference. First operand 700 states and 1028 transitions. Second operand 3 states. [2019-09-20 13:29:23,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:29:23,989 INFO L93 Difference]: Finished difference Result 985 states and 1509 transitions. [2019-09-20 13:29:23,989 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:29:23,989 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 164 [2019-09-20 13:29:23,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:29:23,997 INFO L225 Difference]: With dead ends: 985 [2019-09-20 13:29:23,998 INFO L226 Difference]: Without dead ends: 985 [2019-09-20 13:29:23,998 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:29:24,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 985 states. [2019-09-20 13:29:24,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 985 to 984. [2019-09-20 13:29:24,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 984 states. [2019-09-20 13:29:24,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 984 states to 984 states and 1508 transitions. [2019-09-20 13:29:24,057 INFO L78 Accepts]: Start accepts. Automaton has 984 states and 1508 transitions. Word has length 164 [2019-09-20 13:29:24,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:29:24,060 INFO L475 AbstractCegarLoop]: Abstraction has 984 states and 1508 transitions. [2019-09-20 13:29:24,060 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:29:24,060 INFO L276 IsEmpty]: Start isEmpty. Operand 984 states and 1508 transitions. [2019-09-20 13:29:24,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2019-09-20 13:29:24,070 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:29:24,070 INFO L407 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:29:24,071 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:29:24,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:29:24,071 INFO L82 PathProgramCache]: Analyzing trace with hash -2032086573, now seen corresponding path program 1 times [2019-09-20 13:29:24,071 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:29:24,077 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:24,077 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:29:24,077 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:24,078 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:29:24,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:29:24,310 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-09-20 13:29:24,310 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:29:24,310 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:29:24,310 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:29:24,311 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:29:24,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:29:24,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:29:24,312 INFO L87 Difference]: Start difference. First operand 984 states and 1508 transitions. Second operand 3 states. [2019-09-20 13:29:24,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:29:24,344 INFO L93 Difference]: Finished difference Result 1529 states and 2421 transitions. [2019-09-20 13:29:24,345 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:29:24,345 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 165 [2019-09-20 13:29:24,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:29:24,357 INFO L225 Difference]: With dead ends: 1529 [2019-09-20 13:29:24,357 INFO L226 Difference]: Without dead ends: 1529 [2019-09-20 13:29:24,358 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:29:24,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1529 states. [2019-09-20 13:29:24,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1529 to 1528. [2019-09-20 13:29:24,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1528 states. [2019-09-20 13:29:24,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1528 states to 1528 states and 2420 transitions. [2019-09-20 13:29:24,421 INFO L78 Accepts]: Start accepts. Automaton has 1528 states and 2420 transitions. Word has length 165 [2019-09-20 13:29:24,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:29:24,421 INFO L475 AbstractCegarLoop]: Abstraction has 1528 states and 2420 transitions. [2019-09-20 13:29:24,422 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:29:24,422 INFO L276 IsEmpty]: Start isEmpty. Operand 1528 states and 2420 transitions. [2019-09-20 13:29:24,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2019-09-20 13:29:24,430 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:29:24,430 INFO L407 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:29:24,439 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:29:24,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:29:24,440 INFO L82 PathProgramCache]: Analyzing trace with hash 319322736, now seen corresponding path program 1 times [2019-09-20 13:29:24,440 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:29:24,444 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:24,445 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:29:24,445 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:24,445 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:29:24,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:29:24,753 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-09-20 13:29:24,753 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:29:24,753 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-09-20 13:29:24,753 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:29:24,754 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-20 13:29:24,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-20 13:29:24,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-20 13:29:24,755 INFO L87 Difference]: Start difference. First operand 1528 states and 2420 transitions. Second operand 8 states. [2019-09-20 13:29:24,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:29:24,832 INFO L93 Difference]: Finished difference Result 1525 states and 2417 transitions. [2019-09-20 13:29:24,832 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-20 13:29:24,833 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 167 [2019-09-20 13:29:24,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:29:24,834 INFO L225 Difference]: With dead ends: 1525 [2019-09-20 13:29:24,834 INFO L226 Difference]: Without dead ends: 0 [2019-09-20 13:29:24,835 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-20 13:29:24,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-20 13:29:24,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-20 13:29:24,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-20 13:29:24,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-20 13:29:24,836 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 167 [2019-09-20 13:29:24,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:29:24,836 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-20 13:29:24,837 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-20 13:29:24,837 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-20 13:29:24,837 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-20 13:29:24,843 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 01:29:24 BoogieIcfgContainer [2019-09-20 13:29:24,843 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-20 13:29:24,847 INFO L168 Benchmark]: Toolchain (without parser) took 6929.12 ms. Allocated memory was 130.5 MB in the beginning and 366.0 MB in the end (delta: 235.4 MB). Free memory was 82.4 MB in the beginning and 246.0 MB in the end (delta: -163.6 MB). Peak memory consumption was 71.8 MB. Max. memory is 7.1 GB. [2019-09-20 13:29:24,848 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 130.5 MB. Free memory is still 103.1 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 13:29:24,850 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1053.16 ms. Allocated memory was 130.5 MB in the beginning and 199.2 MB in the end (delta: 68.7 MB). Free memory was 82.4 MB in the beginning and 132.7 MB in the end (delta: -50.3 MB). Peak memory consumption was 33.1 MB. Max. memory is 7.1 GB. [2019-09-20 13:29:24,851 INFO L168 Benchmark]: Boogie Preprocessor took 203.77 ms. Allocated memory is still 199.2 MB. Free memory was 132.7 MB in the beginning and 124.7 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 7.1 GB. [2019-09-20 13:29:24,853 INFO L168 Benchmark]: RCFGBuilder took 2241.12 ms. Allocated memory was 199.2 MB in the beginning and 274.2 MB in the end (delta: 75.0 MB). Free memory was 124.7 MB in the beginning and 186.0 MB in the end (delta: -61.3 MB). Peak memory consumption was 86.9 MB. Max. memory is 7.1 GB. [2019-09-20 13:29:24,855 INFO L168 Benchmark]: TraceAbstraction took 3423.78 ms. Allocated memory was 274.2 MB in the beginning and 366.0 MB in the end (delta: 91.8 MB). Free memory was 186.0 MB in the beginning and 246.0 MB in the end (delta: -60.0 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2019-09-20 13:29:24,863 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 130.5 MB. Free memory is still 103.1 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1053.16 ms. Allocated memory was 130.5 MB in the beginning and 199.2 MB in the end (delta: 68.7 MB). Free memory was 82.4 MB in the beginning and 132.7 MB in the end (delta: -50.3 MB). Peak memory consumption was 33.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 203.77 ms. Allocated memory is still 199.2 MB. Free memory was 132.7 MB in the beginning and 124.7 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2241.12 ms. Allocated memory was 199.2 MB in the beginning and 274.2 MB in the end (delta: 75.0 MB). Free memory was 124.7 MB in the beginning and 186.0 MB in the end (delta: -61.3 MB). Peak memory consumption was 86.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3423.78 ms. Allocated memory was 274.2 MB in the beginning and 366.0 MB in the end (delta: 91.8 MB). Free memory was 186.0 MB in the beginning and 246.0 MB in the end (delta: -60.0 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1968]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 111 procedures, 745 locations, 1 error locations. SAFE Result, 3.3s OverallTime, 8 OverallIterations, 3 TraceHistogramMax, 0.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4631 SDtfs, 244 SDslu, 6785 SDs, 0 SdLazy, 46 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1528occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 8 MinimizatonAttempts, 6 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 1283 NumberOfCodeBlocks, 1283 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1275 ConstructedInterpolants, 0 QuantifiedInterpolants, 220075 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 236/236 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...