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_spec3_productSimulator.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 02:53:00,092 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 02:53:00,094 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 02:53:00,107 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 02:53:00,107 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 02:53:00,108 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 02:53:00,109 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 02:53:00,111 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 02:53:00,113 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 02:53:00,114 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 02:53:00,115 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 02:53:00,117 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 02:53:00,118 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 02:53:00,122 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 02:53:00,123 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 02:53:00,125 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 02:53:00,125 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 02:53:00,126 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 02:53:00,128 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 02:53:00,130 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 02:53:00,132 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 02:53:00,133 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 02:53:00,135 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 02:53:00,135 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 02:53:00,138 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 02:53:00,138 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 02:53:00,138 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 02:53:00,143 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 02:53:00,144 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 02:53:00,146 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 02:53:00,147 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 02:53:00,148 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 02:53:00,149 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 02:53:00,150 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 02:53:00,151 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 02:53:00,151 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 02:53:00,152 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 02:53:00,152 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 02:53:00,152 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 02:53:00,156 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 02:53:00,156 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 02:53:00,160 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 [2019-10-03 02:53:00,188 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 02:53:00,188 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 02:53:00,189 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 02:53:00,189 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 02:53:00,190 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 02:53:00,190 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 02:53:00,190 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 02:53:00,190 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 02:53:00,191 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 02:53:00,191 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 02:53:00,193 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 02:53:00,194 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 02:53:00,194 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 02:53:00,194 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 02:53:00,194 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 02:53:00,195 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 02:53:00,195 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 02:53:00,195 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 02:53:00,195 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 02:53:00,196 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 02:53:00,196 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 02:53:00,196 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 02:53:00,196 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 02:53:00,196 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 02:53:00,197 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 02:53:00,197 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 02:53:00,197 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 02:53:00,197 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 02:53:00,197 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 02:53:00,198 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 02:53:00,235 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 02:53:00,248 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 02:53:00,252 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 02:53:00,253 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 02:53:00,254 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 02:53:00,254 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec3_productSimulator.cil.c [2019-10-03 02:53:00,320 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/373c54109/522593803f924b2b898e39f157e0c0fc/FLAGfe1859cb4 [2019-10-03 02:53:01,020 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 02:53:01,021 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec3_productSimulator.cil.c [2019-10-03 02:53:01,043 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/373c54109/522593803f924b2b898e39f157e0c0fc/FLAGfe1859cb4 [2019-10-03 02:53:01,170 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/373c54109/522593803f924b2b898e39f157e0c0fc [2019-10-03 02:53:01,179 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 02:53:01,181 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 02:53:01,182 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 02:53:01,182 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 02:53:01,186 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 02:53:01,187 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:53:01" (1/1) ... [2019-10-03 02:53:01,190 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ba36926 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:53:01, skipping insertion in model container [2019-10-03 02:53:01,191 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:53:01" (1/1) ... [2019-10-03 02:53:01,199 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 02:53:01,293 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 02:53:02,178 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:53:02,203 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 02:53:02,353 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:53:02,571 INFO L192 MainTranslator]: Completed translation [2019-10-03 02:53:02,573 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:53:02 WrapperNode [2019-10-03 02:53:02,573 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 02:53:02,574 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 02:53:02,575 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 02:53:02,575 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 02:53:02,590 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:53:02" (1/1) ... [2019-10-03 02:53:02,592 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:53:02" (1/1) ... [2019-10-03 02:53:02,656 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:53:02" (1/1) ... [2019-10-03 02:53:02,657 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:53:02" (1/1) ... [2019-10-03 02:53:02,728 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:53:02" (1/1) ... [2019-10-03 02:53:02,749 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:53:02" (1/1) ... [2019-10-03 02:53:02,774 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:53:02" (1/1) ... [2019-10-03 02:53:02,795 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 02:53:02,796 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 02:53:02,796 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 02:53:02,796 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 02:53:02,797 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:53:02" (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 [2019-10-03 02:53:02,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 02:53:02,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 02:53:02,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-03 02:53:02,854 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Encrypt [2019-10-03 02:53:02,854 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Encrypt [2019-10-03 02:53:02,854 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Sign [2019-10-03 02:53:02,855 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Sign [2019-10-03 02:53:02,855 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Verify [2019-10-03 02:53:02,855 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Verify [2019-10-03 02:53:02,855 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-03 02:53:02,855 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__before__Encrypt [2019-10-03 02:53:02,856 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__role__Encrypt [2019-10-03 02:53:02,856 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-03 02:53:02,856 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-03 02:53:02,856 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-03 02:53:02,857 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-03 02:53:02,857 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-03 02:53:02,857 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-03 02:53:02,857 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-03 02:53:02,858 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-03 02:53:02,858 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-03 02:53:02,858 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-03 02:53:02,858 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-03 02:53:02,858 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-03 02:53:02,858 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-03 02:53:02,859 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-03 02:53:02,859 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-03 02:53:02,859 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-03 02:53:02,859 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Encrypt [2019-10-03 02:53:02,859 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__Encrypt [2019-10-03 02:53:02,860 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__AddressBook [2019-10-03 02:53:02,860 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__AddressBook [2019-10-03 02:53:02,860 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Sign [2019-10-03 02:53:02,860 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__Sign [2019-10-03 02:53:02,860 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-03 02:53:02,861 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-03 02:53:02,861 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__AutoResponder [2019-10-03 02:53:02,861 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__AutoResponder [2019-10-03 02:53:02,861 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Forward [2019-10-03 02:53:02,861 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Forward [2019-10-03 02:53:02,862 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Verify [2019-10-03 02:53:02,862 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Verify [2019-10-03 02:53:02,862 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Decrypt [2019-10-03 02:53:02,862 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Decrypt [2019-10-03 02:53:02,862 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-03 02:53:02,862 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-03 02:53:02,863 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-03 02:53:02,863 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-03 02:53:02,863 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-03 02:53:02,863 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-03 02:53:02,863 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-03 02:53:02,864 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-03 02:53:02,864 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-03 02:53:02,864 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-03 02:53:02,864 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-03 02:53:02,864 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-03 02:53:02,864 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-03 02:53:02,865 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-03 02:53:02,865 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-03 02:53:02,865 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-03 02:53:02,865 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-03 02:53:02,865 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-03 02:53:02,866 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-03 02:53:02,866 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-03 02:53:02,866 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-03 02:53:02,866 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-03 02:53:02,866 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-03 02:53:02,867 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-03 02:53:02,867 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-03 02:53:02,867 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-03 02:53:02,867 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-03 02:53:02,867 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-03 02:53:02,867 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-03 02:53:02,868 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-03 02:53:02,868 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-03 02:53:02,868 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-03 02:53:02,868 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-03 02:53:02,868 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-03 02:53:02,869 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-03 02:53:02,869 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-03 02:53:02,869 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-03 02:53:02,869 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-03 02:53:02,869 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-03 02:53:02,870 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-03 02:53:02,870 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-03 02:53:02,870 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-03 02:53:02,870 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-03 02:53:02,870 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-03 02:53:02,870 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-03 02:53:02,871 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-03 02:53:02,871 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-03 02:53:02,871 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-03 02:53:02,871 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-03 02:53:02,871 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-03 02:53:02,872 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-03 02:53:02,872 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-03 02:53:02,872 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-03 02:53:02,872 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-03 02:53:02,872 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-03 02:53:02,895 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-03 02:53:02,895 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-03 02:53:02,895 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-03 02:53:02,895 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-03 02:53:02,895 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-03 02:53:02,895 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-03 02:53:02,896 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-03 02:53:02,896 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-03 02:53:02,896 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-03 02:53:02,896 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-03 02:53:02,896 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__before__Keys [2019-10-03 02:53:02,896 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__role__Keys [2019-10-03 02:53:02,896 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-03 02:53:02,897 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__before__Keys [2019-10-03 02:53:02,897 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__role__Keys [2019-10-03 02:53:02,897 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-03 02:53:02,897 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__before__Keys [2019-10-03 02:53:02,897 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__role__Keys [2019-10-03 02:53:02,897 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-03 02:53:02,898 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-03 02:53:02,898 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-03 02:53:02,898 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-03 02:53:02,898 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 02:53:02,898 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-03 02:53:02,898 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-03 02:53:02,899 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-03 02:53:02,899 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-03 02:53:02,899 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-03 02:53:02,899 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-03 02:53:02,899 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-03 02:53:02,899 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-03 02:53:02,899 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-03 02:53:02,900 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-03 02:53:02,900 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-03 02:53:02,900 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-03 02:53:02,900 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignVerify_spec__1 [2019-10-03 02:53:02,900 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignVerify_spec__2 [2019-10-03 02:53:02,900 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 02:53:02,901 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 02:53:02,901 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-03 02:53:02,901 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-03 02:53:02,901 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-03 02:53:02,901 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-03 02:53:02,901 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-03 02:53:02,902 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-03 02:53:02,902 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-03 02:53:02,902 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-03 02:53:02,902 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-03 02:53:02,902 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-03 02:53:02,902 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-03 02:53:02,902 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-03 02:53:02,903 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-03 02:53:02,903 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-03 02:53:02,903 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-03 02:53:02,903 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Encrypt [2019-10-03 02:53:02,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-03 02:53:02,903 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Encrypt [2019-10-03 02:53:02,903 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Sign [2019-10-03 02:53:02,904 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Sign [2019-10-03 02:53:02,904 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Verify [2019-10-03 02:53:02,904 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Verify [2019-10-03 02:53:02,904 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__before__Encrypt [2019-10-03 02:53:02,904 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__role__Encrypt [2019-10-03 02:53:02,904 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-03 02:53:02,904 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-03 02:53:02,905 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-03 02:53:02,905 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-03 02:53:02,905 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-03 02:53:02,905 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-03 02:53:02,905 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-03 02:53:02,905 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-03 02:53:02,905 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-03 02:53:02,905 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-03 02:53:02,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-03 02:53:02,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-03 02:53:02,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-03 02:53:02,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-03 02:53:02,906 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-03 02:53:02,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-03 02:53:02,906 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-03 02:53:02,906 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-03 02:53:02,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-03 02:53:02,907 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-03 02:53:02,907 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-03 02:53:02,907 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-03 02:53:02,907 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-03 02:53:02,907 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-03 02:53:02,907 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-03 02:53:02,908 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-03 02:53:02,908 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-03 02:53:02,908 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-03 02:53:02,908 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-03 02:53:02,908 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-03 02:53:02,908 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-03 02:53:02,908 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-03 02:53:02,908 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-03 02:53:02,909 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-03 02:53:02,909 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-03 02:53:02,909 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-03 02:53:02,909 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-03 02:53:02,909 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-03 02:53:02,909 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-03 02:53:02,909 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-03 02:53:02,910 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-03 02:53:02,910 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-03 02:53:02,910 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-03 02:53:02,910 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-03 02:53:02,910 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-03 02:53:02,910 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-03 02:53:02,910 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-03 02:53:02,911 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-03 02:53:02,911 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-03 02:53:02,911 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-03 02:53:02,911 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-03 02:53:02,911 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-03 02:53:02,911 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-03 02:53:02,911 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-03 02:53:02,912 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignVerify_spec__1 [2019-10-03 02:53:02,912 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Encrypt [2019-10-03 02:53:02,912 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__Encrypt [2019-10-03 02:53:02,912 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__AddressBook [2019-10-03 02:53:02,912 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__AddressBook [2019-10-03 02:53:02,912 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Sign [2019-10-03 02:53:02,913 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__Sign [2019-10-03 02:53:02,913 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__AutoResponder [2019-10-03 02:53:02,913 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__AutoResponder [2019-10-03 02:53:02,913 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Forward [2019-10-03 02:53:02,913 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Forward [2019-10-03 02:53:02,913 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Verify [2019-10-03 02:53:02,913 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Verify [2019-10-03 02:53:02,913 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Decrypt [2019-10-03 02:53:02,914 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Decrypt [2019-10-03 02:53:02,914 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignVerify_spec__2 [2019-10-03 02:53:02,914 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-03 02:53:02,914 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-03 02:53:02,914 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-03 02:53:02,914 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-03 02:53:02,914 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-03 02:53:02,915 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-03 02:53:02,915 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-03 02:53:02,915 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-03 02:53:02,915 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-03 02:53:02,915 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-03 02:53:02,915 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-03 02:53:02,915 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-03 02:53:02,915 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-03 02:53:02,916 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-03 02:53:02,916 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-03 02:53:02,916 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-03 02:53:02,916 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-03 02:53:02,916 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-03 02:53:02,916 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-03 02:53:02,917 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-03 02:53:02,917 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-03 02:53:02,917 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-03 02:53:02,917 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-03 02:53:02,917 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-03 02:53:02,917 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-03 02:53:02,917 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-03 02:53:02,917 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-03 02:53:02,918 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-03 02:53:02,918 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-03 02:53:02,918 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-03 02:53:02,918 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-03 02:53:02,918 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-03 02:53:02,918 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-03 02:53:02,918 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-03 02:53:02,918 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-03 02:53:02,919 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-03 02:53:02,919 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-03 02:53:02,919 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-03 02:53:02,919 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-03 02:53:02,919 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-03 02:53:02,919 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-03 02:53:02,920 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-03 02:53:02,920 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-03 02:53:02,920 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 02:53:02,920 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-03 02:53:02,920 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-03 02:53:02,920 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__before__Keys [2019-10-03 02:53:02,920 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__role__Keys [2019-10-03 02:53:02,920 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__before__Keys [2019-10-03 02:53:02,921 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__role__Keys [2019-10-03 02:53:02,921 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__before__Keys [2019-10-03 02:53:02,921 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__role__Keys [2019-10-03 02:53:02,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 02:53:02,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-03 02:53:02,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 02:53:05,523 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 02:53:05,524 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-03 02:53:05,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:53:05 BoogieIcfgContainer [2019-10-03 02:53:05,526 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 02:53:05,527 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-03 02:53:05,527 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-03 02:53:05,530 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-03 02:53:05,531 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.10 02:53:01" (1/3) ... [2019-10-03 02:53:05,532 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@195f40c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:53:05, skipping insertion in model container [2019-10-03 02:53:05,532 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:53:02" (2/3) ... [2019-10-03 02:53:05,532 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@195f40c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:53:05, skipping insertion in model container [2019-10-03 02:53:05,533 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:53:05" (3/3) ... [2019-10-03 02:53:05,536 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec3_productSimulator.cil.c [2019-10-03 02:53:05,547 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-03 02:53:05,560 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-03 02:53:05,579 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-03 02:53:05,611 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-03 02:53:05,611 INFO L378 AbstractCegarLoop]: Hoare is false [2019-10-03 02:53:05,611 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-03 02:53:05,612 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-03 02:53:05,612 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-03 02:53:05,612 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-03 02:53:05,612 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-03 02:53:05,612 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-03 02:53:05,659 INFO L276 IsEmpty]: Start isEmpty. Operand 826 states. [2019-10-03 02:53:05,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2019-10-03 02:53:05,708 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:53:05,710 INFO L411 BasicCegarLoop]: trace histogram [8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:53:05,712 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:53:05,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:53:05,719 INFO L82 PathProgramCache]: Analyzing trace with hash -1801418639, now seen corresponding path program 1 times [2019-10-03 02:53:05,722 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:53:05,788 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:05,788 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:53:05,788 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:05,788 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:53:06,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:53:06,481 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2019-10-03 02:53:06,483 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:53:06,483 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-03 02:53:06,484 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:53:06,491 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-03 02:53:06,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-03 02:53:06,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-03 02:53:06,510 INFO L87 Difference]: Start difference. First operand 826 states. Second operand 6 states. [2019-10-03 02:53:06,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:53:06,675 INFO L93 Difference]: Finished difference Result 814 states and 1111 transitions. [2019-10-03 02:53:06,676 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-03 02:53:06,677 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 204 [2019-10-03 02:53:06,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:53:06,707 INFO L225 Difference]: With dead ends: 814 [2019-10-03 02:53:06,707 INFO L226 Difference]: Without dead ends: 797 [2019-10-03 02:53:06,709 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-03 02:53:06,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 797 states. [2019-10-03 02:53:06,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 797 to 797. [2019-10-03 02:53:06,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 797 states. [2019-10-03 02:53:06,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 797 states to 797 states and 1085 transitions. [2019-10-03 02:53:06,843 INFO L78 Accepts]: Start accepts. Automaton has 797 states and 1085 transitions. Word has length 204 [2019-10-03 02:53:06,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:53:06,848 INFO L475 AbstractCegarLoop]: Abstraction has 797 states and 1085 transitions. [2019-10-03 02:53:06,848 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-03 02:53:06,848 INFO L276 IsEmpty]: Start isEmpty. Operand 797 states and 1085 transitions. [2019-10-03 02:53:06,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2019-10-03 02:53:06,857 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:53:06,858 INFO L411 BasicCegarLoop]: trace histogram [8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:53:06,858 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:53:06,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:53:06,858 INFO L82 PathProgramCache]: Analyzing trace with hash 1881288200, now seen corresponding path program 1 times [2019-10-03 02:53:06,859 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:53:06,865 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:06,865 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:53:06,865 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:06,866 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:53:07,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:53:07,200 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2019-10-03 02:53:07,201 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:53:07,201 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-03 02:53:07,201 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:53:07,205 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-03 02:53:07,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-03 02:53:07,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-03 02:53:07,206 INFO L87 Difference]: Start difference. First operand 797 states and 1085 transitions. Second operand 4 states. [2019-10-03 02:53:08,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:53:08,107 INFO L93 Difference]: Finished difference Result 798 states and 1079 transitions. [2019-10-03 02:53:08,108 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-03 02:53:08,108 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 210 [2019-10-03 02:53:08,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:53:08,117 INFO L225 Difference]: With dead ends: 798 [2019-10-03 02:53:08,117 INFO L226 Difference]: Without dead ends: 798 [2019-10-03 02:53:08,118 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-03 02:53:08,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 798 states. [2019-10-03 02:53:08,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 798 to 798. [2019-10-03 02:53:08,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 798 states. [2019-10-03 02:53:08,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 798 states and 1079 transitions. [2019-10-03 02:53:08,192 INFO L78 Accepts]: Start accepts. Automaton has 798 states and 1079 transitions. Word has length 210 [2019-10-03 02:53:08,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:53:08,192 INFO L475 AbstractCegarLoop]: Abstraction has 798 states and 1079 transitions. [2019-10-03 02:53:08,192 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-03 02:53:08,193 INFO L276 IsEmpty]: Start isEmpty. Operand 798 states and 1079 transitions. [2019-10-03 02:53:08,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2019-10-03 02:53:08,199 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:53:08,200 INFO L411 BasicCegarLoop]: trace histogram [8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:53:08,200 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:53:08,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:53:08,201 INFO L82 PathProgramCache]: Analyzing trace with hash -163486093, now seen corresponding path program 1 times [2019-10-03 02:53:08,201 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:53:08,207 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:08,208 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:53:08,208 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:08,208 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:53:08,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:53:08,506 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2019-10-03 02:53:08,511 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:53:08,512 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:53:08,512 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:53:08,515 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:53:08,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:53:08,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:53:08,516 INFO L87 Difference]: Start difference. First operand 798 states and 1079 transitions. Second operand 3 states. [2019-10-03 02:53:08,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:53:08,685 INFO L93 Difference]: Finished difference Result 796 states and 1072 transitions. [2019-10-03 02:53:08,685 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:53:08,686 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 225 [2019-10-03 02:53:08,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:53:08,697 INFO L225 Difference]: With dead ends: 796 [2019-10-03 02:53:08,697 INFO L226 Difference]: Without dead ends: 796 [2019-10-03 02:53:08,698 INFO L640 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 [2019-10-03 02:53:08,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 796 states. [2019-10-03 02:53:08,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 796 to 796. [2019-10-03 02:53:08,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 796 states. [2019-10-03 02:53:08,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 796 states to 796 states and 1072 transitions. [2019-10-03 02:53:08,774 INFO L78 Accepts]: Start accepts. Automaton has 796 states and 1072 transitions. Word has length 225 [2019-10-03 02:53:08,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:53:08,775 INFO L475 AbstractCegarLoop]: Abstraction has 796 states and 1072 transitions. [2019-10-03 02:53:08,775 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:53:08,775 INFO L276 IsEmpty]: Start isEmpty. Operand 796 states and 1072 transitions. [2019-10-03 02:53:08,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2019-10-03 02:53:08,790 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:53:08,791 INFO L411 BasicCegarLoop]: trace histogram [8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:53:08,791 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:53:08,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:53:08,792 INFO L82 PathProgramCache]: Analyzing trace with hash 939319636, now seen corresponding path program 1 times [2019-10-03 02:53:08,793 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:53:08,798 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:08,799 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:53:08,799 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:08,799 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:53:08,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:53:09,104 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2019-10-03 02:53:09,104 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:53:09,104 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-03 02:53:09,105 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:53:09,106 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-03 02:53:09,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-03 02:53:09,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-03 02:53:09,107 INFO L87 Difference]: Start difference. First operand 796 states and 1072 transitions. Second operand 4 states. [2019-10-03 02:53:09,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:53:09,983 INFO L93 Difference]: Finished difference Result 802 states and 1063 transitions. [2019-10-03 02:53:09,983 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-03 02:53:09,984 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 226 [2019-10-03 02:53:09,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:53:09,990 INFO L225 Difference]: With dead ends: 802 [2019-10-03 02:53:09,990 INFO L226 Difference]: Without dead ends: 802 [2019-10-03 02:53:09,990 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-03 02:53:09,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 802 states. [2019-10-03 02:53:10,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 802 to 796. [2019-10-03 02:53:10,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 796 states. [2019-10-03 02:53:10,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 796 states to 796 states and 1057 transitions. [2019-10-03 02:53:10,016 INFO L78 Accepts]: Start accepts. Automaton has 796 states and 1057 transitions. Word has length 226 [2019-10-03 02:53:10,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:53:10,016 INFO L475 AbstractCegarLoop]: Abstraction has 796 states and 1057 transitions. [2019-10-03 02:53:10,017 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-03 02:53:10,017 INFO L276 IsEmpty]: Start isEmpty. Operand 796 states and 1057 transitions. [2019-10-03 02:53:10,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2019-10-03 02:53:10,022 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:53:10,022 INFO L411 BasicCegarLoop]: trace histogram [8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:53:10,022 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:53:10,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:53:10,023 INFO L82 PathProgramCache]: Analyzing trace with hash -546604095, now seen corresponding path program 1 times [2019-10-03 02:53:10,023 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:53:10,027 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:10,027 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:53:10,027 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:10,027 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:53:10,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:53:10,209 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2019-10-03 02:53:10,209 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:53:10,210 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:53:10,210 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:53:10,210 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:53:10,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:53:10,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:53:10,211 INFO L87 Difference]: Start difference. First operand 796 states and 1057 transitions. Second operand 3 states. [2019-10-03 02:53:10,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:53:10,240 INFO L93 Difference]: Finished difference Result 799 states and 1060 transitions. [2019-10-03 02:53:10,240 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:53:10,240 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 253 [2019-10-03 02:53:10,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:53:10,248 INFO L225 Difference]: With dead ends: 799 [2019-10-03 02:53:10,248 INFO L226 Difference]: Without dead ends: 799 [2019-10-03 02:53:10,248 INFO L640 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 [2019-10-03 02:53:10,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 799 states. [2019-10-03 02:53:10,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 799 to 798. [2019-10-03 02:53:10,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 798 states. [2019-10-03 02:53:10,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 798 states and 1059 transitions. [2019-10-03 02:53:10,274 INFO L78 Accepts]: Start accepts. Automaton has 798 states and 1059 transitions. Word has length 253 [2019-10-03 02:53:10,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:53:10,275 INFO L475 AbstractCegarLoop]: Abstraction has 798 states and 1059 transitions. [2019-10-03 02:53:10,279 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:53:10,279 INFO L276 IsEmpty]: Start isEmpty. Operand 798 states and 1059 transitions. [2019-10-03 02:53:10,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2019-10-03 02:53:10,288 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:53:10,289 INFO L411 BasicCegarLoop]: trace histogram [8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:53:10,289 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:53:10,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:53:10,290 INFO L82 PathProgramCache]: Analyzing trace with hash -364338555, now seen corresponding path program 1 times [2019-10-03 02:53:10,290 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:53:10,298 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:10,299 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:53:10,299 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:10,299 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:53:10,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:53:10,759 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2019-10-03 02:53:10,759 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:53:10,759 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:53:10,760 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:53:10,760 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:53:10,760 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:53:10,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:53:10,761 INFO L87 Difference]: Start difference. First operand 798 states and 1059 transitions. Second operand 3 states. [2019-10-03 02:53:10,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:53:10,796 INFO L93 Difference]: Finished difference Result 853 states and 1148 transitions. [2019-10-03 02:53:10,797 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:53:10,797 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 261 [2019-10-03 02:53:10,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:53:10,802 INFO L225 Difference]: With dead ends: 853 [2019-10-03 02:53:10,804 INFO L226 Difference]: Without dead ends: 853 [2019-10-03 02:53:10,805 INFO L640 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 [2019-10-03 02:53:10,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 853 states. [2019-10-03 02:53:10,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 853 to 852. [2019-10-03 02:53:10,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 852 states. [2019-10-03 02:53:10,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 852 states to 852 states and 1147 transitions. [2019-10-03 02:53:10,840 INFO L78 Accepts]: Start accepts. Automaton has 852 states and 1147 transitions. Word has length 261 [2019-10-03 02:53:10,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:53:10,841 INFO L475 AbstractCegarLoop]: Abstraction has 852 states and 1147 transitions. [2019-10-03 02:53:10,841 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:53:10,842 INFO L276 IsEmpty]: Start isEmpty. Operand 852 states and 1147 transitions. [2019-10-03 02:53:10,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2019-10-03 02:53:10,847 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:53:10,848 INFO L411 BasicCegarLoop]: trace histogram [8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:53:10,848 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:53:10,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:53:10,848 INFO L82 PathProgramCache]: Analyzing trace with hash 1381795075, now seen corresponding path program 1 times [2019-10-03 02:53:10,848 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:53:10,853 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:10,853 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:53:10,853 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:10,854 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:53:10,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:53:11,219 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2019-10-03 02:53:11,219 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:53:11,220 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-10-03 02:53:11,220 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:53:11,220 INFO L454 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-10-03 02:53:11,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-10-03 02:53:11,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2019-10-03 02:53:11,221 INFO L87 Difference]: Start difference. First operand 852 states and 1147 transitions. Second operand 13 states. [2019-10-03 02:53:30,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:53:30,338 INFO L93 Difference]: Finished difference Result 4183 states and 5771 transitions. [2019-10-03 02:53:30,339 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2019-10-03 02:53:30,339 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 262 [2019-10-03 02:53:30,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:53:30,364 INFO L225 Difference]: With dead ends: 4183 [2019-10-03 02:53:30,365 INFO L226 Difference]: Without dead ends: 4159 [2019-10-03 02:53:30,366 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 596 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=533, Invalid=1629, Unknown=0, NotChecked=0, Total=2162 [2019-10-03 02:53:30,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4159 states. [2019-10-03 02:53:30,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4159 to 4134. [2019-10-03 02:53:30,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4134 states. [2019-10-03 02:53:30,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4134 states to 4134 states and 5538 transitions. [2019-10-03 02:53:30,513 INFO L78 Accepts]: Start accepts. Automaton has 4134 states and 5538 transitions. Word has length 262 [2019-10-03 02:53:30,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:53:30,514 INFO L475 AbstractCegarLoop]: Abstraction has 4134 states and 5538 transitions. [2019-10-03 02:53:30,514 INFO L476 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-10-03 02:53:30,514 INFO L276 IsEmpty]: Start isEmpty. Operand 4134 states and 5538 transitions. [2019-10-03 02:53:30,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2019-10-03 02:53:30,521 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:53:30,521 INFO L411 BasicCegarLoop]: trace histogram [8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:53:30,521 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:53:30,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:53:30,522 INFO L82 PathProgramCache]: Analyzing trace with hash -488505830, now seen corresponding path program 1 times [2019-10-03 02:53:30,522 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:53:30,526 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:30,526 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:53:30,526 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:30,527 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:53:30,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:53:30,976 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2019-10-03 02:53:30,977 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:53:30,977 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2019-10-03 02:53:30,977 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:53:30,979 INFO L454 AbstractCegarLoop]: Interpolant automaton has 22 states [2019-10-03 02:53:30,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2019-10-03 02:53:30,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=421, Unknown=0, NotChecked=0, Total=462 [2019-10-03 02:53:30,980 INFO L87 Difference]: Start difference. First operand 4134 states and 5538 transitions. Second operand 22 states. [2019-10-03 02:53:31,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:53:31,637 INFO L93 Difference]: Finished difference Result 4268 states and 5704 transitions. [2019-10-03 02:53:31,637 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2019-10-03 02:53:31,638 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 263 [2019-10-03 02:53:31,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:53:31,663 INFO L225 Difference]: With dead ends: 4268 [2019-10-03 02:53:31,663 INFO L226 Difference]: Without dead ends: 4214 [2019-10-03 02:53:31,664 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=77, Invalid=853, Unknown=0, NotChecked=0, Total=930 [2019-10-03 02:53:31,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4214 states. [2019-10-03 02:53:31,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4214 to 4213. [2019-10-03 02:53:31,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4213 states. [2019-10-03 02:53:31,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4213 states to 4213 states and 5642 transitions. [2019-10-03 02:53:31,819 INFO L78 Accepts]: Start accepts. Automaton has 4213 states and 5642 transitions. Word has length 263 [2019-10-03 02:53:31,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:53:31,820 INFO L475 AbstractCegarLoop]: Abstraction has 4213 states and 5642 transitions. [2019-10-03 02:53:31,820 INFO L476 AbstractCegarLoop]: Interpolant automaton has 22 states. [2019-10-03 02:53:31,820 INFO L276 IsEmpty]: Start isEmpty. Operand 4213 states and 5642 transitions. [2019-10-03 02:53:31,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2019-10-03 02:53:31,827 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:53:31,827 INFO L411 BasicCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:53:31,828 INFO L418 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:53:31,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:53:31,828 INFO L82 PathProgramCache]: Analyzing trace with hash 558028584, now seen corresponding path program 1 times [2019-10-03 02:53:31,828 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:53:31,833 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:31,833 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:53:31,834 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:31,834 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:53:31,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:53:32,091 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2019-10-03 02:53:32,091 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:53:32,092 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:53:32,092 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:53:32,094 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:53:32,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:53:32,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:53:32,095 INFO L87 Difference]: Start difference. First operand 4213 states and 5642 transitions. Second operand 3 states. [2019-10-03 02:53:32,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:53:32,230 INFO L93 Difference]: Finished difference Result 8075 states and 11047 transitions. [2019-10-03 02:53:32,230 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:53:32,230 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 279 [2019-10-03 02:53:32,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:53:32,278 INFO L225 Difference]: With dead ends: 8075 [2019-10-03 02:53:32,278 INFO L226 Difference]: Without dead ends: 8074 [2019-10-03 02:53:32,280 INFO L640 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 [2019-10-03 02:53:32,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8074 states. [2019-10-03 02:53:32,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8074 to 8061. [2019-10-03 02:53:32,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8061 states. [2019-10-03 02:53:32,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8061 states to 8061 states and 11026 transitions. [2019-10-03 02:53:32,579 INFO L78 Accepts]: Start accepts. Automaton has 8061 states and 11026 transitions. Word has length 279 [2019-10-03 02:53:32,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:53:32,580 INFO L475 AbstractCegarLoop]: Abstraction has 8061 states and 11026 transitions. [2019-10-03 02:53:32,580 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:53:32,580 INFO L276 IsEmpty]: Start isEmpty. Operand 8061 states and 11026 transitions. [2019-10-03 02:53:32,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2019-10-03 02:53:32,590 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:53:32,590 INFO L411 BasicCegarLoop]: trace histogram [8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:53:32,591 INFO L418 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:53:32,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:53:32,591 INFO L82 PathProgramCache]: Analyzing trace with hash -2111557029, now seen corresponding path program 1 times [2019-10-03 02:53:32,591 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:53:32,599 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:32,599 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:53:32,599 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:32,599 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:53:32,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:53:33,155 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2019-10-03 02:53:33,155 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:53:33,156 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2019-10-03 02:53:33,156 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:53:33,157 INFO L454 AbstractCegarLoop]: Interpolant automaton has 24 states [2019-10-03 02:53:33,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2019-10-03 02:53:33,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=507, Unknown=0, NotChecked=0, Total=552 [2019-10-03 02:53:33,158 INFO L87 Difference]: Start difference. First operand 8061 states and 11026 transitions. Second operand 24 states. [2019-10-03 02:53:34,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:53:34,087 INFO L93 Difference]: Finished difference Result 8365 states and 11513 transitions. [2019-10-03 02:53:34,088 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2019-10-03 02:53:34,088 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 272 [2019-10-03 02:53:34,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:53:34,158 INFO L225 Difference]: With dead ends: 8365 [2019-10-03 02:53:34,158 INFO L226 Difference]: Without dead ends: 8329 [2019-10-03 02:53:34,159 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=85, Invalid=1037, Unknown=0, NotChecked=0, Total=1122 [2019-10-03 02:53:34,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8329 states. [2019-10-03 02:53:34,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8329 to 8320. [2019-10-03 02:53:34,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8320 states. [2019-10-03 02:53:34,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8320 states to 8320 states and 11385 transitions. [2019-10-03 02:53:34,433 INFO L78 Accepts]: Start accepts. Automaton has 8320 states and 11385 transitions. Word has length 272 [2019-10-03 02:53:34,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:53:34,435 INFO L475 AbstractCegarLoop]: Abstraction has 8320 states and 11385 transitions. [2019-10-03 02:53:34,435 INFO L476 AbstractCegarLoop]: Interpolant automaton has 24 states. [2019-10-03 02:53:34,435 INFO L276 IsEmpty]: Start isEmpty. Operand 8320 states and 11385 transitions. [2019-10-03 02:53:34,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2019-10-03 02:53:34,442 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:53:34,442 INFO L411 BasicCegarLoop]: trace histogram [8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:53:34,443 INFO L418 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:53:34,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:53:34,443 INFO L82 PathProgramCache]: Analyzing trace with hash -1788037709, now seen corresponding path program 1 times [2019-10-03 02:53:34,443 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:53:34,449 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:34,450 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:53:34,450 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:34,450 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:53:34,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:53:36,717 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2019-10-03 02:53:36,718 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-03 02:53:36,718 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-10-03 02:53:36,719 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 273 with the following transitions: [2019-10-03 02:53:36,722 INFO L207 CegarAbsIntRunner]: [59], [62], [72], [73], [76], [85], [86], [95], [97], [98], [103], [132], [161], [164], [168], [170], [172], [174], [176], [178], [180], [182], [184], [185], [186], [189], [307], [310], [311], [312], [315], [321], [366], [368], [369], [372], [381], [402], [405], [415], [428], [431], [452], [490], [492], [686], [687], [703], [706], [712], [745], [748], [762], [793], [796], [802], [803], [806], [815], [824], [835], [838], [844], [847], [853], [856], [860], [882], [883], [884], [886], [888], [901], [903], [907], [910], [934], [938], [941], [949], [952], [956], [957], [962], [965], [968], [985], [988], [1003], [1008], [1013], [1022], [1026], [1028], [1030], [1033], [1046], [1053], [1056], [1062], [1064], [1394], [1396], [1397], [1398], [1401], [1403], [1405], [1408], [1442], [1496], [1499], [1527], [1528], [1529], [1556], [1559], [1563], [1564], [1567], [1570], [1601], [1642], [1644], [1739], [1741], [1768], [1771], [1785], [1794], [1797], [1806], [1822], [1825], [1834], [1884], [1885], [2008], [2010], [2012], [2014], [2015], [2029], [2035], [2036], [2039], [2053], [2063], [2064], [2067], [2068], [2069], [2070], [2071], [2072], [2073], [2074], [2075], [2076], [2077], [2078], [2079], [2080], [2081], [2082], [2083], [2084], [2085], [2086], [2093], [2094], [2095], [2096], [2123], [2124], [2137], [2141], [2157], [2158], [2159], [2160], [2161], [2209], [2210], [2211], [2212], [2213], [2215], [2216], [2217], [2218], [2219], [2220], [2221], [2222], [2223], [2224], [2225], [2226], [2227], [2228], [2229], [2231], [2232], [2237], [2239], [2240], [2241], [2242], [2257], [2258], [2259], [2260], [2263], [2289], [2297], [2298], [2299], [2300], [2301], [2302], [2303], [2321], [2329], [2330], [2331], [2341], [2342], [2365], [2366], [2367], [2369], [2370], [2397], [2398], [2399], [2400], [2401], [2402], [2403], [2404], [2405] [2019-10-03 02:53:36,781 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-03 02:53:36,782 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-03 02:53:36,925 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-03 02:53:36,927 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 211 root evaluator evaluations with a maximum evaluation depth of 0. Performed 211 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 396 variables. [2019-10-03 02:53:36,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:53:36,932 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-03 02:53:37,042 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-03 02:53:37,042 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-10-03 02:53:37,049 INFO L420 sIntCurrentIteration]: We unified 271 AI predicates to 271 [2019-10-03 02:53:37,049 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-03 02:53:37,050 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-03 02:53:37,051 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [56] total 56 [2019-10-03 02:53:37,051 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:53:37,052 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:53:37,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:53:37,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:53:37,053 INFO L87 Difference]: Start difference. First operand 8320 states and 11385 transitions. Second operand 2 states. [2019-10-03 02:53:37,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:53:37,053 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-10-03 02:53:37,054 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:53:37,054 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 272 [2019-10-03 02:53:37,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:53:37,056 INFO L225 Difference]: With dead ends: 2 [2019-10-03 02:53:37,056 INFO L226 Difference]: Without dead ends: 0 [2019-10-03 02:53:37,057 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 271 GetRequests, 271 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:53:37,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-03 02:53:37,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-03 02:53:37,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-03 02:53:37,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-03 02:53:37,058 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 272 [2019-10-03 02:53:37,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:53:37,059 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-03 02:53:37,059 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:53:37,059 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-03 02:53:37,059 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-03 02:53:37,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.10 02:53:37 BoogieIcfgContainer [2019-10-03 02:53:37,065 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-03 02:53:37,068 INFO L168 Benchmark]: Toolchain (without parser) took 35886.35 ms. Allocated memory was 133.2 MB in the beginning and 857.7 MB in the end (delta: 724.6 MB). Free memory was 85.5 MB in the beginning and 663.1 MB in the end (delta: -577.6 MB). Peak memory consumption was 147.0 MB. Max. memory is 7.1 GB. [2019-10-03 02:53:37,069 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 133.2 MB. Free memory was 107.3 MB in the beginning and 107.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-03 02:53:37,070 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1392.06 ms. Allocated memory was 133.2 MB in the beginning and 201.9 MB in the end (delta: 68.7 MB). Free memory was 85.3 MB in the beginning and 100.0 MB in the end (delta: -14.8 MB). Peak memory consumption was 59.1 MB. Max. memory is 7.1 GB. [2019-10-03 02:53:37,071 INFO L168 Benchmark]: Boogie Preprocessor took 221.20 ms. Allocated memory is still 201.9 MB. Free memory was 100.0 MB in the beginning and 89.9 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2019-10-03 02:53:37,073 INFO L168 Benchmark]: RCFGBuilder took 2729.97 ms. Allocated memory was 201.9 MB in the beginning and 262.1 MB in the end (delta: 60.3 MB). Free memory was 89.9 MB in the beginning and 219.0 MB in the end (delta: -129.0 MB). Peak memory consumption was 76.9 MB. Max. memory is 7.1 GB. [2019-10-03 02:53:37,074 INFO L168 Benchmark]: TraceAbstraction took 31538.03 ms. Allocated memory was 262.1 MB in the beginning and 857.7 MB in the end (delta: 595.6 MB). Free memory was 219.0 MB in the beginning and 663.1 MB in the end (delta: -444.1 MB). Peak memory consumption was 151.5 MB. Max. memory is 7.1 GB. [2019-10-03 02:53:37,084 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 133.2 MB. Free memory was 107.3 MB in the beginning and 107.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1392.06 ms. Allocated memory was 133.2 MB in the beginning and 201.9 MB in the end (delta: 68.7 MB). Free memory was 85.3 MB in the beginning and 100.0 MB in the end (delta: -14.8 MB). Peak memory consumption was 59.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 221.20 ms. Allocated memory is still 201.9 MB. Free memory was 100.0 MB in the beginning and 89.9 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2729.97 ms. Allocated memory was 201.9 MB in the beginning and 262.1 MB in the end (delta: 60.3 MB). Free memory was 89.9 MB in the beginning and 219.0 MB in the end (delta: -129.0 MB). Peak memory consumption was 76.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 31538.03 ms. Allocated memory was 262.1 MB in the beginning and 857.7 MB in the end (delta: 595.6 MB). Free memory was 219.0 MB in the beginning and 663.1 MB in the end (delta: -444.1 MB). Peak memory consumption was 151.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 398]: 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 136 procedures, 982 locations, 1 error locations. SAFE Result, 31.4s OverallTime, 11 OverallIterations, 8 TraceHistogramMax, 23.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 11268 SDtfs, 14402 SDslu, 53594 SDs, 0 SdLazy, 13255 SolverSat, 7911 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 17.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 427 GetRequests, 308 SyntacticMatches, 0 SemanticMatches, 119 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 677 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8320occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.2s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 1.878228782287823 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 56 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.3s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 4.1s InterpolantComputationTime, 2727 NumberOfCodeBlocks, 2727 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 2716 ConstructedInterpolants, 0 QuantifiedInterpolants, 1087306 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 10 PerfectInterpolantSequences, 1202/1205 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...