/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/product-lines/email_spec3_productSimulator.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 00:51:40,296 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 00:51:40,298 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 00:51:40,309 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 00:51:40,309 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 00:51:40,310 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 00:51:40,312 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 00:51:40,314 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 00:51:40,315 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 00:51:40,316 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 00:51:40,317 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 00:51:40,318 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 00:51:40,318 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 00:51:40,319 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 00:51:40,320 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 00:51:40,321 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 00:51:40,322 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 00:51:40,323 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 00:51:40,325 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 00:51:40,327 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 00:51:40,329 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 00:51:40,330 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 00:51:40,331 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 00:51:40,332 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 00:51:40,334 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 00:51:40,334 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 00:51:40,335 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 00:51:40,335 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 00:51:40,338 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 00:51:40,341 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 00:51:40,341 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 00:51:40,342 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 00:51:40,343 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 00:51:40,343 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 00:51:40,346 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 00:51:40,347 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 00:51:40,347 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 00:51:40,348 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 00:51:40,348 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 00:51:40,350 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 00:51:40,350 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 00:51:40,353 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-07 00:51:40,381 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 00:51:40,382 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 00:51:40,383 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 00:51:40,383 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 00:51:40,383 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 00:51:40,384 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 00:51:40,384 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 00:51:40,384 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 00:51:40,384 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 00:51:40,384 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 00:51:40,385 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 00:51:40,385 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 00:51:40,385 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 00:51:40,385 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 00:51:40,385 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 00:51:40,386 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 00:51:40,386 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 00:51:40,386 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 00:51:40,386 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 00:51:40,387 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 00:51:40,387 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 00:51:40,387 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 00:51:40,387 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 00:51:40,387 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 00:51:40,388 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 00:51:40,388 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 00:51:40,388 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 00:51:40,388 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 00:51:40,388 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-11-07 00:51:40,666 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 00:51:40,688 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 00:51:40,692 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 00:51:40,694 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 00:51:40,694 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 00:51:40,695 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec3_productSimulator.cil.c [2019-11-07 00:51:40,754 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35153b8ba/f5729b9b241a47eab2bf7369eadb3a57/FLAGf0a2cd674 [2019-11-07 00:51:41,374 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 00:51:41,374 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec3_productSimulator.cil.c [2019-11-07 00:51:41,399 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35153b8ba/f5729b9b241a47eab2bf7369eadb3a57/FLAGf0a2cd674 [2019-11-07 00:51:41,581 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35153b8ba/f5729b9b241a47eab2bf7369eadb3a57 [2019-11-07 00:51:41,590 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 00:51:41,591 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 00:51:41,592 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 00:51:41,592 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 00:51:41,596 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 00:51:41,597 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:51:41" (1/1) ... [2019-11-07 00:51:41,600 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6dfb3edf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:51:41, skipping insertion in model container [2019-11-07 00:51:41,600 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:51:41" (1/1) ... [2019-11-07 00:51:41,606 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 00:51:41,687 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 00:51:42,582 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 00:51:42,608 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 00:51:42,731 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 00:51:42,902 INFO L192 MainTranslator]: Completed translation [2019-11-07 00:51:42,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:51:42 WrapperNode [2019-11-07 00:51:42,903 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 00:51:42,904 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 00:51:42,904 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 00:51:42,905 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 00:51:42,920 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:51:42" (1/1) ... [2019-11-07 00:51:42,920 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:51:42" (1/1) ... [2019-11-07 00:51:42,974 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:51:42" (1/1) ... [2019-11-07 00:51:42,975 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:51:42" (1/1) ... [2019-11-07 00:51:43,062 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:51:42" (1/1) ... [2019-11-07 00:51:43,099 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:51:42" (1/1) ... [2019-11-07 00:51:43,126 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:51:42" (1/1) ... [2019-11-07 00:51:43,155 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 00:51:43,156 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 00:51:43,156 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 00:51:43,156 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 00:51:43,157 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:51:42" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 00:51:43,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 00:51:43,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 00:51:43,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-07 00:51:43,250 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Encrypt [2019-11-07 00:51:43,250 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Encrypt [2019-11-07 00:51:43,252 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Sign [2019-11-07 00:51:43,252 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Sign [2019-11-07 00:51:43,252 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Verify [2019-11-07 00:51:43,253 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Verify [2019-11-07 00:51:43,254 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-11-07 00:51:43,254 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__before__Encrypt [2019-11-07 00:51:43,254 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__role__Encrypt [2019-11-07 00:51:43,254 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-11-07 00:51:43,255 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-11-07 00:51:43,256 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-11-07 00:51:43,256 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-07 00:51:43,259 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-07 00:51:43,260 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-07 00:51:43,260 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-07 00:51:43,260 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-11-07 00:51:43,262 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-07 00:51:43,262 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-07 00:51:43,262 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-07 00:51:43,262 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-07 00:51:43,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-07 00:51:43,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-07 00:51:43,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-07 00:51:43,263 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-11-07 00:51:43,264 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Encrypt [2019-11-07 00:51:43,264 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__Encrypt [2019-11-07 00:51:43,264 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__AddressBook [2019-11-07 00:51:43,265 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__AddressBook [2019-11-07 00:51:43,265 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Sign [2019-11-07 00:51:43,266 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__Sign [2019-11-07 00:51:43,266 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-11-07 00:51:43,266 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-11-07 00:51:43,266 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__AutoResponder [2019-11-07 00:51:43,266 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__AutoResponder [2019-11-07 00:51:43,267 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Forward [2019-11-07 00:51:43,267 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Forward [2019-11-07 00:51:43,268 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Verify [2019-11-07 00:51:43,268 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Verify [2019-11-07 00:51:43,268 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Decrypt [2019-11-07 00:51:43,268 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Decrypt [2019-11-07 00:51:43,268 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-11-07 00:51:43,268 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-11-07 00:51:43,269 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-11-07 00:51:43,269 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-11-07 00:51:43,269 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-11-07 00:51:43,269 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-11-07 00:51:43,269 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-11-07 00:51:43,270 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-11-07 00:51:43,270 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-11-07 00:51:43,270 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-11-07 00:51:43,270 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-11-07 00:51:43,270 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-11-07 00:51:43,270 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-11-07 00:51:43,271 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-11-07 00:51:43,271 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-11-07 00:51:43,271 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-11-07 00:51:43,271 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-11-07 00:51:43,271 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-11-07 00:51:43,272 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-11-07 00:51:43,272 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-11-07 00:51:43,272 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-11-07 00:51:43,273 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-11-07 00:51:43,273 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-11-07 00:51:43,273 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-11-07 00:51:43,273 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-11-07 00:51:43,273 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-11-07 00:51:43,273 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-11-07 00:51:43,274 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-11-07 00:51:43,274 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-11-07 00:51:43,275 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-11-07 00:51:43,275 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-11-07 00:51:43,275 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-11-07 00:51:43,275 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-11-07 00:51:43,276 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-11-07 00:51:43,276 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-11-07 00:51:43,277 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-07 00:51:43,277 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-11-07 00:51:43,277 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-11-07 00:51:43,278 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-11-07 00:51:43,278 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-11-07 00:51:43,278 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-11-07 00:51:43,279 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-11-07 00:51:43,279 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-11-07 00:51:43,280 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-11-07 00:51:43,280 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-11-07 00:51:43,280 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-11-07 00:51:43,280 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-11-07 00:51:43,281 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-11-07 00:51:43,281 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-11-07 00:51:43,281 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-11-07 00:51:43,281 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-11-07 00:51:43,281 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-11-07 00:51:43,281 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-11-07 00:51:43,282 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-11-07 00:51:43,282 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-11-07 00:51:43,282 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-11-07 00:51:43,282 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-11-07 00:51:43,282 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-11-07 00:51:43,282 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-11-07 00:51:43,283 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-11-07 00:51:43,283 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-11-07 00:51:43,283 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-11-07 00:51:43,283 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-11-07 00:51:43,283 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-11-07 00:51:43,283 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-11-07 00:51:43,284 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__before__Keys [2019-11-07 00:51:43,284 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__role__Keys [2019-11-07 00:51:43,284 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-11-07 00:51:43,284 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__before__Keys [2019-11-07 00:51:43,284 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__role__Keys [2019-11-07 00:51:43,285 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-11-07 00:51:43,285 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__before__Keys [2019-11-07 00:51:43,285 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__role__Keys [2019-11-07 00:51:43,286 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-11-07 00:51:43,286 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-11-07 00:51:43,286 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-11-07 00:51:43,287 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-07 00:51:43,287 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 00:51:43,287 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-11-07 00:51:43,287 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-11-07 00:51:43,288 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-11-07 00:51:43,288 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-11-07 00:51:43,310 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-11-07 00:51:43,311 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-11-07 00:51:43,311 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-11-07 00:51:43,311 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-11-07 00:51:43,311 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-11-07 00:51:43,312 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-11-07 00:51:43,312 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-11-07 00:51:43,312 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-11-07 00:51:43,312 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignVerify_spec__1 [2019-11-07 00:51:43,313 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignVerify_spec__2 [2019-11-07 00:51:43,314 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 00:51:43,315 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 00:51:43,316 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-07 00:51:43,316 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-11-07 00:51:43,316 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-11-07 00:51:43,316 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-11-07 00:51:43,317 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-11-07 00:51:43,317 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-11-07 00:51:43,317 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-11-07 00:51:43,317 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-11-07 00:51:43,317 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-11-07 00:51:43,317 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-11-07 00:51:43,317 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-11-07 00:51:43,318 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-11-07 00:51:43,318 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-11-07 00:51:43,318 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-11-07 00:51:43,318 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-11-07 00:51:43,318 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Encrypt [2019-11-07 00:51:43,318 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 00:51:43,318 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Encrypt [2019-11-07 00:51:43,318 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Sign [2019-11-07 00:51:43,319 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Sign [2019-11-07 00:51:43,319 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Verify [2019-11-07 00:51:43,319 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Verify [2019-11-07 00:51:43,319 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__before__Encrypt [2019-11-07 00:51:43,319 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__role__Encrypt [2019-11-07 00:51:43,319 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-07 00:51:43,319 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-07 00:51:43,320 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-07 00:51:43,321 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-07 00:51:43,321 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-11-07 00:51:43,321 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-07 00:51:43,321 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-07 00:51:43,321 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 00:51:43,322 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 00:51:43,322 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-07 00:51:43,322 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 00:51:43,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 00:51:43,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 00:51:43,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 00:51:43,322 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-07 00:51:43,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 00:51:43,323 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-07 00:51:43,323 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-07 00:51:43,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 00:51:43,323 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-07 00:51:43,323 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-07 00:51:43,323 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-07 00:51:43,323 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-07 00:51:43,324 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-11-07 00:51:43,324 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-11-07 00:51:43,324 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-11-07 00:51:43,324 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-11-07 00:51:43,324 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-11-07 00:51:43,325 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-11-07 00:51:43,325 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-11-07 00:51:43,325 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-11-07 00:51:43,325 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-11-07 00:51:43,325 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-11-07 00:51:43,325 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-11-07 00:51:43,325 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-11-07 00:51:43,326 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-11-07 00:51:43,326 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-11-07 00:51:43,326 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-11-07 00:51:43,326 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-11-07 00:51:43,326 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-11-07 00:51:43,326 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-11-07 00:51:43,326 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-11-07 00:51:43,326 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-11-07 00:51:43,327 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-11-07 00:51:43,327 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-11-07 00:51:43,327 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-11-07 00:51:43,327 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-11-07 00:51:43,327 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-11-07 00:51:43,327 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-11-07 00:51:43,327 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-11-07 00:51:43,328 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-11-07 00:51:43,328 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-11-07 00:51:43,328 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-11-07 00:51:43,328 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-11-07 00:51:43,328 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignVerify_spec__1 [2019-11-07 00:51:43,328 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Encrypt [2019-11-07 00:51:43,328 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__Encrypt [2019-11-07 00:51:43,328 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__AddressBook [2019-11-07 00:51:43,329 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__AddressBook [2019-11-07 00:51:43,329 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Sign [2019-11-07 00:51:43,329 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__Sign [2019-11-07 00:51:43,329 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__AutoResponder [2019-11-07 00:51:43,329 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__AutoResponder [2019-11-07 00:51:43,329 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Forward [2019-11-07 00:51:43,329 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Forward [2019-11-07 00:51:43,330 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Verify [2019-11-07 00:51:43,330 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Verify [2019-11-07 00:51:43,330 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Decrypt [2019-11-07 00:51:43,330 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Decrypt [2019-11-07 00:51:43,330 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignVerify_spec__2 [2019-11-07 00:51:43,330 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-11-07 00:51:43,330 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-11-07 00:51:43,330 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-11-07 00:51:43,331 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-11-07 00:51:43,331 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-11-07 00:51:43,331 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-11-07 00:51:43,331 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-11-07 00:51:43,331 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-11-07 00:51:43,331 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-11-07 00:51:43,331 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-11-07 00:51:43,332 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-11-07 00:51:43,332 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-11-07 00:51:43,332 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-11-07 00:51:43,332 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-11-07 00:51:43,332 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-11-07 00:51:43,332 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-11-07 00:51:43,332 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-11-07 00:51:43,332 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-07 00:51:43,333 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-11-07 00:51:43,333 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-11-07 00:51:43,333 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-11-07 00:51:43,333 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-11-07 00:51:43,333 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-11-07 00:51:43,333 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-11-07 00:51:43,333 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-11-07 00:51:43,334 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-11-07 00:51:43,334 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-11-07 00:51:43,334 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-11-07 00:51:43,334 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-11-07 00:51:43,334 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-11-07 00:51:43,334 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-11-07 00:51:43,335 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-11-07 00:51:43,341 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-11-07 00:51:43,342 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-11-07 00:51:43,342 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-11-07 00:51:43,343 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-11-07 00:51:43,343 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-11-07 00:51:43,343 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-11-07 00:51:43,343 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-11-07 00:51:43,343 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-11-07 00:51:43,351 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-11-07 00:51:43,352 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-11-07 00:51:43,354 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-07 00:51:43,354 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 00:51:43,354 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-11-07 00:51:43,355 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-11-07 00:51:43,355 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__before__Keys [2019-11-07 00:51:43,355 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__role__Keys [2019-11-07 00:51:43,355 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__before__Keys [2019-11-07 00:51:43,355 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__role__Keys [2019-11-07 00:51:43,355 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__before__Keys [2019-11-07 00:51:43,355 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__role__Keys [2019-11-07 00:51:43,356 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 00:51:43,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 00:51:43,356 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 00:51:45,896 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 00:51:45,896 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-07 00:51:45,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:51:45 BoogieIcfgContainer [2019-11-07 00:51:45,899 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 00:51:45,900 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 00:51:45,900 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 00:51:45,903 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 00:51:45,903 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 12:51:41" (1/3) ... [2019-11-07 00:51:45,904 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a75e5b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:51:45, skipping insertion in model container [2019-11-07 00:51:45,904 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:51:42" (2/3) ... [2019-11-07 00:51:45,905 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a75e5b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:51:45, skipping insertion in model container [2019-11-07 00:51:45,905 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:51:45" (3/3) ... [2019-11-07 00:51:45,907 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec3_productSimulator.cil.c [2019-11-07 00:51:45,917 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 00:51:45,928 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 00:51:45,940 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 00:51:45,980 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 00:51:45,980 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 00:51:45,981 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 00:51:45,981 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 00:51:45,981 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 00:51:45,981 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 00:51:45,981 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 00:51:45,981 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 00:51:46,026 INFO L276 IsEmpty]: Start isEmpty. Operand 826 states. [2019-11-07 00:51:46,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2019-11-07 00:51:46,064 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:51:46,067 INFO L410 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] [2019-11-07 00:51:46,070 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:51:46,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:51:46,077 INFO L82 PathProgramCache]: Analyzing trace with hash -1801418639, now seen corresponding path program 1 times [2019-11-07 00:51:46,087 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:51:46,088 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001764197] [2019-11-07 00:51:46,088 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:51:46,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:51:46,882 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2019-11-07 00:51:46,883 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001764197] [2019-11-07 00:51:46,884 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:51:46,884 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-07 00:51:46,885 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459573469] [2019-11-07 00:51:46,891 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-07 00:51:46,892 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:51:46,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-07 00:51:46,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-07 00:51:46,910 INFO L87 Difference]: Start difference. First operand 826 states. Second operand 6 states. [2019-11-07 00:51:47,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:51:47,148 INFO L93 Difference]: Finished difference Result 1570 states and 2177 transitions. [2019-11-07 00:51:47,149 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-07 00:51:47,150 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 204 [2019-11-07 00:51:47,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:51:47,193 INFO L225 Difference]: With dead ends: 1570 [2019-11-07 00:51:47,193 INFO L226 Difference]: Without dead ends: 797 [2019-11-07 00:51:47,205 INFO L630 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 [2019-11-07 00:51:47,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 797 states. [2019-11-07 00:51:47,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 797 to 797. [2019-11-07 00:51:47,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 797 states. [2019-11-07 00:51:47,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 797 states to 797 states and 1085 transitions. [2019-11-07 00:51:47,339 INFO L78 Accepts]: Start accepts. Automaton has 797 states and 1085 transitions. Word has length 204 [2019-11-07 00:51:47,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:51:47,341 INFO L462 AbstractCegarLoop]: Abstraction has 797 states and 1085 transitions. [2019-11-07 00:51:47,342 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-07 00:51:47,342 INFO L276 IsEmpty]: Start isEmpty. Operand 797 states and 1085 transitions. [2019-11-07 00:51:47,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2019-11-07 00:51:47,350 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:51:47,351 INFO L410 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] [2019-11-07 00:51:47,351 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:51:47,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:51:47,354 INFO L82 PathProgramCache]: Analyzing trace with hash 1881288200, now seen corresponding path program 1 times [2019-11-07 00:51:47,354 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:51:47,354 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551930268] [2019-11-07 00:51:47,354 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:51:47,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:51:47,669 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2019-11-07 00:51:47,670 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551930268] [2019-11-07 00:51:47,670 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:51:47,670 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-07 00:51:47,670 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897601886] [2019-11-07 00:51:47,672 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-07 00:51:47,673 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:51:47,673 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-07 00:51:47,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-07 00:51:47,674 INFO L87 Difference]: Start difference. First operand 797 states and 1085 transitions. Second operand 4 states. [2019-11-07 00:51:48,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:51:48,579 INFO L93 Difference]: Finished difference Result 1553 states and 2141 transitions. [2019-11-07 00:51:48,579 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-07 00:51:48,579 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 210 [2019-11-07 00:51:48,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:51:48,589 INFO L225 Difference]: With dead ends: 1553 [2019-11-07 00:51:48,589 INFO L226 Difference]: Without dead ends: 798 [2019-11-07 00:51:48,592 INFO L630 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 [2019-11-07 00:51:48,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 798 states. [2019-11-07 00:51:48,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 798 to 798. [2019-11-07 00:51:48,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 798 states. [2019-11-07 00:51:48,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 798 states and 1079 transitions. [2019-11-07 00:51:48,628 INFO L78 Accepts]: Start accepts. Automaton has 798 states and 1079 transitions. Word has length 210 [2019-11-07 00:51:48,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:51:48,629 INFO L462 AbstractCegarLoop]: Abstraction has 798 states and 1079 transitions. [2019-11-07 00:51:48,629 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-07 00:51:48,629 INFO L276 IsEmpty]: Start isEmpty. Operand 798 states and 1079 transitions. [2019-11-07 00:51:48,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2019-11-07 00:51:48,634 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:51:48,635 INFO L410 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] [2019-11-07 00:51:48,635 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:51:48,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:51:48,636 INFO L82 PathProgramCache]: Analyzing trace with hash -163486093, now seen corresponding path program 1 times [2019-11-07 00:51:48,636 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:51:48,636 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533739241] [2019-11-07 00:51:48,636 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:51:48,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:51:48,805 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2019-11-07 00:51:48,806 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533739241] [2019-11-07 00:51:48,806 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:51:48,806 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 00:51:48,807 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130018895] [2019-11-07 00:51:48,807 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 00:51:48,808 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:51:48,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 00:51:48,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 00:51:48,808 INFO L87 Difference]: Start difference. First operand 798 states and 1079 transitions. Second operand 3 states. [2019-11-07 00:51:48,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:51:48,992 INFO L93 Difference]: Finished difference Result 1547 states and 2119 transitions. [2019-11-07 00:51:48,992 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 00:51:48,992 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 225 [2019-11-07 00:51:48,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:51:49,000 INFO L225 Difference]: With dead ends: 1547 [2019-11-07 00:51:49,001 INFO L226 Difference]: Without dead ends: 796 [2019-11-07 00:51:49,005 INFO L630 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 [2019-11-07 00:51:49,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 796 states. [2019-11-07 00:51:49,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 796 to 796. [2019-11-07 00:51:49,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 796 states. [2019-11-07 00:51:49,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 796 states to 796 states and 1072 transitions. [2019-11-07 00:51:49,043 INFO L78 Accepts]: Start accepts. Automaton has 796 states and 1072 transitions. Word has length 225 [2019-11-07 00:51:49,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:51:49,044 INFO L462 AbstractCegarLoop]: Abstraction has 796 states and 1072 transitions. [2019-11-07 00:51:49,044 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 00:51:49,045 INFO L276 IsEmpty]: Start isEmpty. Operand 796 states and 1072 transitions. [2019-11-07 00:51:49,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2019-11-07 00:51:49,052 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:51:49,053 INFO L410 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] [2019-11-07 00:51:49,053 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:51:49,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:51:49,054 INFO L82 PathProgramCache]: Analyzing trace with hash 939319636, now seen corresponding path program 1 times [2019-11-07 00:51:49,054 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:51:49,054 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531975092] [2019-11-07 00:51:49,055 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:51:49,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:51:49,464 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2019-11-07 00:51:49,464 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531975092] [2019-11-07 00:51:49,465 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:51:49,465 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-07 00:51:49,465 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473124210] [2019-11-07 00:51:49,466 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-07 00:51:49,466 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:51:49,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-07 00:51:49,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-07 00:51:49,467 INFO L87 Difference]: Start difference. First operand 796 states and 1072 transitions. Second operand 4 states. [2019-11-07 00:51:50,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:51:50,303 INFO L93 Difference]: Finished difference Result 1532 states and 2070 transitions. [2019-11-07 00:51:50,303 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-07 00:51:50,303 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 226 [2019-11-07 00:51:50,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:51:50,310 INFO L225 Difference]: With dead ends: 1532 [2019-11-07 00:51:50,310 INFO L226 Difference]: Without dead ends: 802 [2019-11-07 00:51:50,314 INFO L630 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 [2019-11-07 00:51:50,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 802 states. [2019-11-07 00:51:50,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 802 to 796. [2019-11-07 00:51:50,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 796 states. [2019-11-07 00:51:50,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 796 states to 796 states and 1057 transitions. [2019-11-07 00:51:50,355 INFO L78 Accepts]: Start accepts. Automaton has 796 states and 1057 transitions. Word has length 226 [2019-11-07 00:51:50,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:51:50,355 INFO L462 AbstractCegarLoop]: Abstraction has 796 states and 1057 transitions. [2019-11-07 00:51:50,355 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-07 00:51:50,356 INFO L276 IsEmpty]: Start isEmpty. Operand 796 states and 1057 transitions. [2019-11-07 00:51:50,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2019-11-07 00:51:50,362 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:51:50,362 INFO L410 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] [2019-11-07 00:51:50,363 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:51:50,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:51:50,363 INFO L82 PathProgramCache]: Analyzing trace with hash -546604095, now seen corresponding path program 1 times [2019-11-07 00:51:50,363 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:51:50,364 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734144263] [2019-11-07 00:51:50,364 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:51:50,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:51:50,646 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2019-11-07 00:51:50,647 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734144263] [2019-11-07 00:51:50,647 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:51:50,647 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 00:51:50,647 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465390351] [2019-11-07 00:51:50,648 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 00:51:50,648 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:51:50,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 00:51:50,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 00:51:50,649 INFO L87 Difference]: Start difference. First operand 796 states and 1057 transitions. Second operand 3 states. [2019-11-07 00:51:50,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:51:50,691 INFO L93 Difference]: Finished difference Result 1242 states and 1631 transitions. [2019-11-07 00:51:50,692 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 00:51:50,692 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 253 [2019-11-07 00:51:50,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:51:50,698 INFO L225 Difference]: With dead ends: 1242 [2019-11-07 00:51:50,699 INFO L226 Difference]: Without dead ends: 799 [2019-11-07 00:51:50,701 INFO L630 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 [2019-11-07 00:51:50,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 799 states. [2019-11-07 00:51:50,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 799 to 798. [2019-11-07 00:51:50,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 798 states. [2019-11-07 00:51:50,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 798 states and 1059 transitions. [2019-11-07 00:51:50,738 INFO L78 Accepts]: Start accepts. Automaton has 798 states and 1059 transitions. Word has length 253 [2019-11-07 00:51:50,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:51:50,739 INFO L462 AbstractCegarLoop]: Abstraction has 798 states and 1059 transitions. [2019-11-07 00:51:50,739 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 00:51:50,739 INFO L276 IsEmpty]: Start isEmpty. Operand 798 states and 1059 transitions. [2019-11-07 00:51:50,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2019-11-07 00:51:50,744 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:51:50,744 INFO L410 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] [2019-11-07 00:51:50,744 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:51:50,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:51:50,745 INFO L82 PathProgramCache]: Analyzing trace with hash -364338555, now seen corresponding path program 1 times [2019-11-07 00:51:50,745 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:51:50,745 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899856154] [2019-11-07 00:51:50,745 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:51:50,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:51:51,019 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2019-11-07 00:51:51,019 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899856154] [2019-11-07 00:51:51,020 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:51:51,020 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 00:51:51,020 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476743609] [2019-11-07 00:51:51,021 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 00:51:51,021 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:51:51,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 00:51:51,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 00:51:51,022 INFO L87 Difference]: Start difference. First operand 798 states and 1059 transitions. Second operand 3 states. [2019-11-07 00:51:51,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:51:51,091 INFO L93 Difference]: Finished difference Result 1531 states and 2072 transitions. [2019-11-07 00:51:51,091 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 00:51:51,092 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 261 [2019-11-07 00:51:51,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:51:51,097 INFO L225 Difference]: With dead ends: 1531 [2019-11-07 00:51:51,098 INFO L226 Difference]: Without dead ends: 853 [2019-11-07 00:51:51,100 INFO L630 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 [2019-11-07 00:51:51,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 853 states. [2019-11-07 00:51:51,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 853 to 852. [2019-11-07 00:51:51,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 852 states. [2019-11-07 00:51:51,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 852 states to 852 states and 1147 transitions. [2019-11-07 00:51:51,148 INFO L78 Accepts]: Start accepts. Automaton has 852 states and 1147 transitions. Word has length 261 [2019-11-07 00:51:51,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:51:51,150 INFO L462 AbstractCegarLoop]: Abstraction has 852 states and 1147 transitions. [2019-11-07 00:51:51,150 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 00:51:51,150 INFO L276 IsEmpty]: Start isEmpty. Operand 852 states and 1147 transitions. [2019-11-07 00:51:51,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2019-11-07 00:51:51,155 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:51:51,156 INFO L410 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] [2019-11-07 00:51:51,156 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:51:51,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:51:51,156 INFO L82 PathProgramCache]: Analyzing trace with hash 1381795075, now seen corresponding path program 1 times [2019-11-07 00:51:51,157 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:51:51,157 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652166460] [2019-11-07 00:51:51,157 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:51:51,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:51:51,594 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2019-11-07 00:51:51,594 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652166460] [2019-11-07 00:51:51,594 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:51:51,594 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-11-07 00:51:51,595 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59903364] [2019-11-07 00:51:51,595 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-11-07 00:51:51,595 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:51:51,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-11-07 00:51:51,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2019-11-07 00:51:51,597 INFO L87 Difference]: Start difference. First operand 852 states and 1147 transitions. Second operand 13 states. [2019-11-07 00:52:10,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:52:10,611 INFO L93 Difference]: Finished difference Result 4613 states and 6419 transitions. [2019-11-07 00:52:10,611 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2019-11-07 00:52:10,611 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 262 [2019-11-07 00:52:10,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:52:10,639 INFO L225 Difference]: With dead ends: 4613 [2019-11-07 00:52:10,640 INFO L226 Difference]: Without dead ends: 4159 [2019-11-07 00:52:10,645 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 596 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=533, Invalid=1629, Unknown=0, NotChecked=0, Total=2162 [2019-11-07 00:52:10,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4159 states. [2019-11-07 00:52:10,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4159 to 4134. [2019-11-07 00:52:10,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4134 states. [2019-11-07 00:52:10,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4134 states to 4134 states and 5538 transitions. [2019-11-07 00:52:10,877 INFO L78 Accepts]: Start accepts. Automaton has 4134 states and 5538 transitions. Word has length 262 [2019-11-07 00:52:10,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:52:10,879 INFO L462 AbstractCegarLoop]: Abstraction has 4134 states and 5538 transitions. [2019-11-07 00:52:10,879 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-11-07 00:52:10,879 INFO L276 IsEmpty]: Start isEmpty. Operand 4134 states and 5538 transitions. [2019-11-07 00:52:10,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2019-11-07 00:52:10,886 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:52:10,886 INFO L410 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] [2019-11-07 00:52:10,887 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:52:10,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:52:10,887 INFO L82 PathProgramCache]: Analyzing trace with hash -488505830, now seen corresponding path program 1 times [2019-11-07 00:52:10,887 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:52:10,888 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525016574] [2019-11-07 00:52:10,888 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:52:10,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:52:11,564 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2019-11-07 00:52:11,564 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525016574] [2019-11-07 00:52:11,565 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:52:11,565 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2019-11-07 00:52:11,565 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241124694] [2019-11-07 00:52:11,566 INFO L442 AbstractCegarLoop]: Interpolant automaton has 22 states [2019-11-07 00:52:11,567 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:52:11,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2019-11-07 00:52:11,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=421, Unknown=0, NotChecked=0, Total=462 [2019-11-07 00:52:11,568 INFO L87 Difference]: Start difference. First operand 4134 states and 5538 transitions. Second operand 22 states. [2019-11-07 00:52:12,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:52:12,352 INFO L93 Difference]: Finished difference Result 7584 states and 10117 transitions. [2019-11-07 00:52:12,352 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2019-11-07 00:52:12,352 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 263 [2019-11-07 00:52:12,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:52:12,383 INFO L225 Difference]: With dead ends: 7584 [2019-11-07 00:52:12,383 INFO L226 Difference]: Without dead ends: 4214 [2019-11-07 00:52:12,396 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=77, Invalid=853, Unknown=0, NotChecked=0, Total=930 [2019-11-07 00:52:12,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4214 states. [2019-11-07 00:52:12,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4214 to 4213. [2019-11-07 00:52:12,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4213 states. [2019-11-07 00:52:12,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4213 states to 4213 states and 5642 transitions. [2019-11-07 00:52:12,648 INFO L78 Accepts]: Start accepts. Automaton has 4213 states and 5642 transitions. Word has length 263 [2019-11-07 00:52:12,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:52:12,649 INFO L462 AbstractCegarLoop]: Abstraction has 4213 states and 5642 transitions. [2019-11-07 00:52:12,649 INFO L463 AbstractCegarLoop]: Interpolant automaton has 22 states. [2019-11-07 00:52:12,649 INFO L276 IsEmpty]: Start isEmpty. Operand 4213 states and 5642 transitions. [2019-11-07 00:52:12,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2019-11-07 00:52:12,658 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:52:12,659 INFO L410 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] [2019-11-07 00:52:12,659 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:52:12,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:52:12,659 INFO L82 PathProgramCache]: Analyzing trace with hash -2111557029, now seen corresponding path program 1 times [2019-11-07 00:52:12,660 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:52:12,660 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006474838] [2019-11-07 00:52:12,660 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:52:12,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:52:13,197 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2019-11-07 00:52:13,197 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006474838] [2019-11-07 00:52:13,197 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:52:13,198 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2019-11-07 00:52:13,198 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589744964] [2019-11-07 00:52:13,199 INFO L442 AbstractCegarLoop]: Interpolant automaton has 24 states [2019-11-07 00:52:13,199 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:52:13,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2019-11-07 00:52:13,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=507, Unknown=0, NotChecked=0, Total=552 [2019-11-07 00:52:13,200 INFO L87 Difference]: Start difference. First operand 4213 states and 5642 transitions. Second operand 24 states. [2019-11-07 00:52:14,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:52:14,156 INFO L93 Difference]: Finished difference Result 8124 states and 10978 transitions. [2019-11-07 00:52:14,156 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2019-11-07 00:52:14,156 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 272 [2019-11-07 00:52:14,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:52:14,184 INFO L225 Difference]: With dead ends: 8124 [2019-11-07 00:52:14,185 INFO L226 Difference]: Without dead ends: 4386 [2019-11-07 00:52:14,199 INFO L630 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 [2019-11-07 00:52:14,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4386 states. [2019-11-07 00:52:14,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4386 to 4386. [2019-11-07 00:52:14,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4386 states. [2019-11-07 00:52:14,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4386 states to 4386 states and 5912 transitions. [2019-11-07 00:52:14,418 INFO L78 Accepts]: Start accepts. Automaton has 4386 states and 5912 transitions. Word has length 272 [2019-11-07 00:52:14,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:52:14,421 INFO L462 AbstractCegarLoop]: Abstraction has 4386 states and 5912 transitions. [2019-11-07 00:52:14,421 INFO L463 AbstractCegarLoop]: Interpolant automaton has 24 states. [2019-11-07 00:52:14,421 INFO L276 IsEmpty]: Start isEmpty. Operand 4386 states and 5912 transitions. [2019-11-07 00:52:14,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2019-11-07 00:52:14,430 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:52:14,431 INFO L410 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] [2019-11-07 00:52:14,431 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:52:14,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:52:14,432 INFO L82 PathProgramCache]: Analyzing trace with hash -1788037709, now seen corresponding path program 1 times [2019-11-07 00:52:14,432 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:52:14,433 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432889898] [2019-11-07 00:52:14,433 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:52:14,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat