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 --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/email_spec4_productSimulator.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 23:10:40,604 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 23:10:40,606 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 23:10:40,623 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 23:10:40,624 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 23:10:40,625 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 23:10:40,626 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 23:10:40,628 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 23:10:40,629 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 23:10:40,630 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 23:10:40,631 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 23:10:40,632 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 23:10:40,633 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 23:10:40,634 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 23:10:40,635 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 23:10:40,636 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 23:10:40,637 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 23:10:40,638 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 23:10:40,639 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 23:10:40,642 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 23:10:40,643 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 23:10:40,645 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 23:10:40,646 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 23:10:40,646 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 23:10:40,649 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 23:10:40,649 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 23:10:40,650 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 23:10:40,651 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 23:10:40,651 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 23:10:40,652 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 23:10:40,652 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 23:10:40,653 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 23:10:40,654 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 23:10:40,655 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 23:10:40,656 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 23:10:40,656 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 23:10:40,657 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 23:10:40,657 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 23:10:40,657 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 23:10:40,658 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 23:10:40,659 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 23:10:40,660 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 23:10:40,674 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 23:10:40,675 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 23:10:40,676 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 23:10:40,676 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 23:10:40,676 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 23:10:40,677 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 23:10:40,677 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 23:10:40,677 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 23:10:40,677 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 23:10:40,677 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 23:10:40,678 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 23:10:40,678 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 23:10:40,678 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 23:10:40,678 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 23:10:40,678 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 23:10:40,679 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 23:10:40,679 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 23:10:40,679 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 23:10:40,679 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 23:10:40,680 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 23:10:40,680 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 23:10:40,680 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 23:10:40,680 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 23:10:40,680 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 23:10:40,681 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 23:10:40,681 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 23:10:40,681 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 23:10:40,681 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 23:10:40,681 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-13 23:10:40,963 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 23:10:40,983 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 23:10:40,987 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 23:10:40,988 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 23:10:40,989 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 23:10:40,990 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec4_productSimulator.cil.c [2019-10-13 23:10:41,070 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d773ddac/2e17e6f6abed4fa4881e0281eb9740d8/FLAG3831d3a92 [2019-10-13 23:10:41,700 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 23:10:41,702 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec4_productSimulator.cil.c [2019-10-13 23:10:41,736 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d773ddac/2e17e6f6abed4fa4881e0281eb9740d8/FLAG3831d3a92 [2019-10-13 23:10:41,950 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d773ddac/2e17e6f6abed4fa4881e0281eb9740d8 [2019-10-13 23:10:41,961 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 23:10:41,963 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 23:10:41,964 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 23:10:41,964 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 23:10:41,970 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 23:10:41,971 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:10:41" (1/1) ... [2019-10-13 23:10:41,976 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c6fc6e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:10:41, skipping insertion in model container [2019-10-13 23:10:41,977 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:10:41" (1/1) ... [2019-10-13 23:10:41,984 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 23:10:42,071 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 23:10:42,737 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:10:42,762 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 23:10:42,915 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:10:43,115 INFO L192 MainTranslator]: Completed translation [2019-10-13 23:10:43,116 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:10:43 WrapperNode [2019-10-13 23:10:43,116 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 23:10:43,117 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 23:10:43,117 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 23:10:43,118 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 23:10:43,139 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:10:43" (1/1) ... [2019-10-13 23:10:43,140 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:10:43" (1/1) ... [2019-10-13 23:10:43,210 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:10:43" (1/1) ... [2019-10-13 23:10:43,210 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:10:43" (1/1) ... [2019-10-13 23:10:43,288 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:10:43" (1/1) ... [2019-10-13 23:10:43,309 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:10:43" (1/1) ... [2019-10-13 23:10:43,321 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:10:43" (1/1) ... [2019-10-13 23:10:43,347 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 23:10:43,348 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 23:10:43,348 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 23:10:43,348 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 23:10:43,354 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:10:43" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 23:10:43,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 23:10:43,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 23:10:43,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 23:10:43,412 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 23:10:43,412 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-13 23:10:43,413 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-13 23:10:43,413 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Encrypt [2019-10-13 23:10:43,413 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__Encrypt [2019-10-13 23:10:43,413 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__AddressBook [2019-10-13 23:10:43,413 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__AddressBook [2019-10-13 23:10:43,414 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Sign [2019-10-13 23:10:43,414 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__Sign [2019-10-13 23:10:43,414 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-13 23:10:43,414 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-13 23:10:43,415 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__AutoResponder [2019-10-13 23:10:43,415 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__AutoResponder [2019-10-13 23:10:43,415 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Forward [2019-10-13 23:10:43,415 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Forward [2019-10-13 23:10:43,416 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Verify [2019-10-13 23:10:43,416 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Verify [2019-10-13 23:10:43,416 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Decrypt [2019-10-13 23:10:43,416 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Decrypt [2019-10-13 23:10:43,417 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-13 23:10:43,417 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-13 23:10:43,417 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-13 23:10:43,417 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-13 23:10:43,418 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-13 23:10:43,418 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-13 23:10:43,418 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-13 23:10:43,418 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-13 23:10:43,418 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-13 23:10:43,419 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-13 23:10:43,419 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-13 23:10:43,419 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-13 23:10:43,419 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-13 23:10:43,419 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-13 23:10:43,419 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 23:10:43,420 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-13 23:10:43,420 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-13 23:10:43,420 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-13 23:10:43,420 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-13 23:10:43,420 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-13 23:10:43,421 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-13 23:10:43,421 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-13 23:10:43,421 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-13 23:10:43,421 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-13 23:10:43,421 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-13 23:10:43,421 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-13 23:10:43,422 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-13 23:10:43,422 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-13 23:10:43,422 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-13 23:10:43,422 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-13 23:10:43,422 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-13 23:10:43,423 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-13 23:10:43,423 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-13 23:10:43,423 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-13 23:10:43,423 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-13 23:10:43,423 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-13 23:10:43,424 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-13 23:10:43,424 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-13 23:10:43,424 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-13 23:10:43,424 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-13 23:10:43,424 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-13 23:10:43,425 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-13 23:10:43,425 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-13 23:10:43,425 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-13 23:10:43,425 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 23:10:43,425 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 23:10:43,425 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 23:10:43,426 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 23:10:43,426 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-13 23:10:43,426 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-13 23:10:43,426 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-13 23:10:43,426 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-13 23:10:43,427 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-13 23:10:43,427 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-13 23:10:43,427 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-13 23:10:43,427 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-13 23:10:43,427 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-13 23:10:43,428 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-13 23:10:43,428 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-13 23:10:43,428 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-13 23:10:43,428 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-13 23:10:43,428 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-13 23:10:43,429 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-13 23:10:43,429 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-13 23:10:43,429 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-13 23:10:43,429 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-13 23:10:43,429 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-13 23:10:43,429 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-13 23:10:43,430 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-13 23:10:43,430 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__before__Keys [2019-10-13 23:10:43,430 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__role__Keys [2019-10-13 23:10:43,430 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-13 23:10:43,430 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__before__Keys [2019-10-13 23:10:43,431 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__role__Keys [2019-10-13 23:10:43,431 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-13 23:10:43,431 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__before__Keys [2019-10-13 23:10:43,431 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__role__Keys [2019-10-13 23:10:43,431 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-13 23:10:43,431 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-13 23:10:43,432 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-13 23:10:43,432 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 23:10:43,432 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 23:10:43,432 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-13 23:10:43,432 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-13 23:10:43,433 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-13 23:10:43,433 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-13 23:10:43,433 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-13 23:10:43,433 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-13 23:10:43,433 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-13 23:10:43,433 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-13 23:10:43,434 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-13 23:10:43,434 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-13 23:10:43,434 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-13 23:10:43,434 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-13 23:10:43,434 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Encrypt [2019-10-13 23:10:43,434 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Encrypt [2019-10-13 23:10:43,435 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Sign [2019-10-13 23:10:43,435 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Sign [2019-10-13 23:10:43,435 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Verify [2019-10-13 23:10:43,435 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Verify [2019-10-13 23:10:43,435 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-13 23:10:43,436 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__before__Encrypt [2019-10-13 23:10:43,436 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__role__Encrypt [2019-10-13 23:10:43,436 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-13 23:10:43,436 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-13 23:10:43,436 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-13 23:10:43,436 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 23:10:43,437 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 23:10:43,437 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 23:10:43,437 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 23:10:43,437 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 23:10:43,438 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 23:10:43,438 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignForward_spec__1 [2019-10-13 23:10:43,438 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 23:10:43,438 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 23:10:43,438 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-13 23:10:43,439 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-13 23:10:43,439 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-13 23:10:43,439 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-13 23:10:43,439 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-13 23:10:43,439 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-13 23:10:43,439 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-13 23:10:43,440 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-13 23:10:43,440 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-13 23:10:43,440 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-13 23:10:43,440 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-13 23:10:43,440 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 23:10:43,441 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 23:10:43,441 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-13 23:10:43,441 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 23:10:43,441 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-13 23:10:43,441 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-13 23:10:43,442 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-13 23:10:43,442 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-13 23:10:43,442 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-13 23:10:43,442 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-13 23:10:43,442 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-13 23:10:43,442 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-13 23:10:43,442 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-13 23:10:43,443 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-13 23:10:43,443 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-13 23:10:43,443 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-13 23:10:43,443 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-13 23:10:43,443 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-13 23:10:43,443 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-13 23:10:43,444 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-13 23:10:43,444 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-13 23:10:43,444 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-13 23:10:43,444 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-13 23:10:43,444 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-13 23:10:43,444 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-13 23:10:43,445 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-13 23:10:43,445 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-13 23:10:43,445 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-13 23:10:43,445 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-13 23:10:43,445 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-13 23:10:43,445 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-13 23:10:43,446 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-13 23:10:43,467 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-13 23:10:43,467 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-13 23:10:43,468 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-13 23:10:43,468 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-13 23:10:43,468 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-13 23:10:43,468 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-13 23:10:43,468 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-13 23:10:43,468 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-13 23:10:43,469 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-13 23:10:43,469 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-13 23:10:43,469 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-13 23:10:43,469 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-13 23:10:43,469 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-13 23:10:43,469 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-13 23:10:43,469 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-13 23:10:43,469 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignForward_spec__1 [2019-10-13 23:10:43,470 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Encrypt [2019-10-13 23:10:43,470 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__Encrypt [2019-10-13 23:10:43,470 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__AddressBook [2019-10-13 23:10:43,470 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__AddressBook [2019-10-13 23:10:43,470 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Sign [2019-10-13 23:10:43,470 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__Sign [2019-10-13 23:10:43,470 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__AutoResponder [2019-10-13 23:10:43,471 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__AutoResponder [2019-10-13 23:10:43,471 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Forward [2019-10-13 23:10:43,471 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Forward [2019-10-13 23:10:43,471 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Verify [2019-10-13 23:10:43,471 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Verify [2019-10-13 23:10:43,471 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Decrypt [2019-10-13 23:10:43,471 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Decrypt [2019-10-13 23:10:43,472 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 23:10:43,472 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-13 23:10:43,472 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-13 23:10:43,472 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-13 23:10:43,472 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-13 23:10:43,472 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-13 23:10:43,472 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-13 23:10:43,473 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-13 23:10:43,473 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-13 23:10:43,473 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-13 23:10:43,473 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-13 23:10:43,473 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-13 23:10:43,473 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-13 23:10:43,473 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-13 23:10:43,474 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-13 23:10:43,474 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-13 23:10:43,474 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-13 23:10:43,474 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-13 23:10:43,474 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-13 23:10:43,474 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-13 23:10:43,474 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-13 23:10:43,475 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 23:10:43,475 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 23:10:43,475 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 23:10:43,475 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 23:10:43,475 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-13 23:10:43,475 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-13 23:10:43,475 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-13 23:10:43,475 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-13 23:10:43,476 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-13 23:10:43,476 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-13 23:10:43,476 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-13 23:10:43,476 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-13 23:10:43,476 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-13 23:10:43,476 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-13 23:10:43,476 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-13 23:10:43,476 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-13 23:10:43,477 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 23:10:43,477 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 23:10:43,477 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-13 23:10:43,477 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-13 23:10:43,477 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__before__Keys [2019-10-13 23:10:43,477 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__role__Keys [2019-10-13 23:10:43,477 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__before__Keys [2019-10-13 23:10:43,477 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__role__Keys [2019-10-13 23:10:43,478 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__before__Keys [2019-10-13 23:10:43,478 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__role__Keys [2019-10-13 23:10:43,478 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-13 23:10:43,478 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Encrypt [2019-10-13 23:10:43,478 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Encrypt [2019-10-13 23:10:43,478 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Sign [2019-10-13 23:10:43,478 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Sign [2019-10-13 23:10:43,479 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Verify [2019-10-13 23:10:43,479 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Verify [2019-10-13 23:10:43,479 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__before__Encrypt [2019-10-13 23:10:43,479 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__role__Encrypt [2019-10-13 23:10:43,479 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 23:10:43,479 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 23:10:43,479 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 23:10:43,480 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 23:10:43,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 23:10:43,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 23:10:43,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 23:10:43,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 23:10:43,480 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 23:10:43,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 23:10:43,481 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 23:10:43,481 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 23:10:43,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 23:10:43,481 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 23:10:43,481 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 23:10:43,481 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 23:10:43,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 23:10:43,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 23:10:43,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 23:10:48,082 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 23:10:48,083 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-13 23:10:48,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:10:48 BoogieIcfgContainer [2019-10-13 23:10:48,085 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 23:10:48,086 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 23:10:48,086 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 23:10:48,089 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 23:10:48,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:10:41" (1/3) ... [2019-10-13 23:10:48,090 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@675659f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:10:48, skipping insertion in model container [2019-10-13 23:10:48,090 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:10:43" (2/3) ... [2019-10-13 23:10:48,091 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@675659f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:10:48, skipping insertion in model container [2019-10-13 23:10:48,091 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:10:48" (3/3) ... [2019-10-13 23:10:48,093 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec4_productSimulator.cil.c [2019-10-13 23:10:48,103 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 23:10:48,112 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 23:10:48,124 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 23:10:48,155 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 23:10:48,155 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 23:10:48,155 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 23:10:48,155 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 23:10:48,155 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 23:10:48,156 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 23:10:48,156 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 23:10:48,156 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 23:10:48,190 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states. [2019-10-13 23:10:48,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2019-10-13 23:10:48,226 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:10:48,230 INFO L380 BasicCegarLoop]: trace histogram [8, 3, 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] [2019-10-13 23:10:48,234 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:10:48,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:10:48,240 INFO L82 PathProgramCache]: Analyzing trace with hash -37475235, now seen corresponding path program 1 times [2019-10-13 23:10:48,246 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:10:48,247 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271314998] [2019-10-13 23:10:48,247 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:10:48,247 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:10:48,247 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:10:48,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:10:48,982 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-10-13 23:10:48,983 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271314998] [2019-10-13 23:10:48,984 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:10:48,985 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 23:10:48,985 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432777867] [2019-10-13 23:10:48,990 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 23:10:48,991 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:10:49,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 23:10:49,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 23:10:49,009 INFO L87 Difference]: Start difference. First operand 607 states. Second operand 6 states. [2019-10-13 23:10:49,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:10:49,221 INFO L93 Difference]: Finished difference Result 1136 states and 1426 transitions. [2019-10-13 23:10:49,221 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 23:10:49,223 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 144 [2019-10-13 23:10:49,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:10:49,250 INFO L225 Difference]: With dead ends: 1136 [2019-10-13 23:10:49,250 INFO L226 Difference]: Without dead ends: 580 [2019-10-13 23:10:49,267 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-13 23:10:49,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 580 states. [2019-10-13 23:10:49,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 580 to 580. [2019-10-13 23:10:49,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 580 states. [2019-10-13 23:10:49,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 580 states and 715 transitions. [2019-10-13 23:10:49,413 INFO L78 Accepts]: Start accepts. Automaton has 580 states and 715 transitions. Word has length 144 [2019-10-13 23:10:49,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:10:49,417 INFO L462 AbstractCegarLoop]: Abstraction has 580 states and 715 transitions. [2019-10-13 23:10:49,417 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 23:10:49,417 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 715 transitions. [2019-10-13 23:10:49,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2019-10-13 23:10:49,422 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:10:49,423 INFO L380 BasicCegarLoop]: trace histogram [8, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:10:49,423 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:10:49,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:10:49,423 INFO L82 PathProgramCache]: Analyzing trace with hash -75929238, now seen corresponding path program 1 times [2019-10-13 23:10:49,424 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:10:49,424 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969072964] [2019-10-13 23:10:49,424 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:10:49,424 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:10:49,425 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:10:49,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:10:49,696 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-10-13 23:10:49,696 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969072964] [2019-10-13 23:10:49,697 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:10:49,697 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 23:10:49,697 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037806819] [2019-10-13 23:10:49,705 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 23:10:49,705 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:10:49,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 23:10:49,706 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 23:10:49,706 INFO L87 Difference]: Start difference. First operand 580 states and 715 transitions. Second operand 4 states. [2019-10-13 23:10:50,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:10:50,790 INFO L93 Difference]: Finished difference Result 1122 states and 1404 transitions. [2019-10-13 23:10:50,790 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-13 23:10:50,791 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 150 [2019-10-13 23:10:50,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:10:50,799 INFO L225 Difference]: With dead ends: 1122 [2019-10-13 23:10:50,799 INFO L226 Difference]: Without dead ends: 580 [2019-10-13 23:10:50,807 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 23:10:50,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 580 states. [2019-10-13 23:10:50,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 580 to 580. [2019-10-13 23:10:50,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 580 states. [2019-10-13 23:10:50,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 580 states and 708 transitions. [2019-10-13 23:10:50,873 INFO L78 Accepts]: Start accepts. Automaton has 580 states and 708 transitions. Word has length 150 [2019-10-13 23:10:50,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:10:50,873 INFO L462 AbstractCegarLoop]: Abstraction has 580 states and 708 transitions. [2019-10-13 23:10:50,874 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 23:10:50,874 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 708 transitions. [2019-10-13 23:10:50,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2019-10-13 23:10:50,878 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:10:50,878 INFO L380 BasicCegarLoop]: trace histogram [8, 3, 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] [2019-10-13 23:10:50,878 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:10:50,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:10:50,879 INFO L82 PathProgramCache]: Analyzing trace with hash 953045078, now seen corresponding path program 1 times [2019-10-13 23:10:50,879 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:10:50,879 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402698207] [2019-10-13 23:10:50,879 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:10:50,880 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:10:50,880 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:10:50,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:10:51,032 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2019-10-13 23:10:51,033 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402698207] [2019-10-13 23:10:51,033 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:10:51,033 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:10:51,033 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928937442] [2019-10-13 23:10:51,034 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:10:51,034 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:10:51,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:10:51,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:10:51,035 INFO L87 Difference]: Start difference. First operand 580 states and 708 transitions. Second operand 3 states. [2019-10-13 23:10:51,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:10:51,269 INFO L93 Difference]: Finished difference Result 1116 states and 1382 transitions. [2019-10-13 23:10:51,269 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:10:51,271 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 163 [2019-10-13 23:10:51,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:10:51,278 INFO L225 Difference]: With dead ends: 1116 [2019-10-13 23:10:51,279 INFO L226 Difference]: Without dead ends: 578 [2019-10-13 23:10:51,283 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:10:51,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 578 states. [2019-10-13 23:10:51,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 578 to 578. [2019-10-13 23:10:51,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 578 states. [2019-10-13 23:10:51,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 578 states and 701 transitions. [2019-10-13 23:10:51,339 INFO L78 Accepts]: Start accepts. Automaton has 578 states and 701 transitions. Word has length 163 [2019-10-13 23:10:51,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:10:51,341 INFO L462 AbstractCegarLoop]: Abstraction has 578 states and 701 transitions. [2019-10-13 23:10:51,341 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:10:51,341 INFO L276 IsEmpty]: Start isEmpty. Operand 578 states and 701 transitions. [2019-10-13 23:10:51,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2019-10-13 23:10:51,350 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:10:51,351 INFO L380 BasicCegarLoop]: trace histogram [8, 3, 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] [2019-10-13 23:10:51,351 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:10:51,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:10:51,352 INFO L82 PathProgramCache]: Analyzing trace with hash 1488083693, now seen corresponding path program 1 times [2019-10-13 23:10:51,352 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:10:51,352 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368689540] [2019-10-13 23:10:51,353 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:10:51,353 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:10:51,353 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:10:51,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:10:51,575 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2019-10-13 23:10:51,575 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368689540] [2019-10-13 23:10:51,576 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:10:51,576 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 23:10:51,576 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127195056] [2019-10-13 23:10:51,577 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 23:10:51,577 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:10:51,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 23:10:51,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 23:10:51,578 INFO L87 Difference]: Start difference. First operand 578 states and 701 transitions. Second operand 4 states. [2019-10-13 23:10:52,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:10:52,305 INFO L93 Difference]: Finished difference Result 1101 states and 1333 transitions. [2019-10-13 23:10:52,305 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-13 23:10:52,305 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 164 [2019-10-13 23:10:52,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:10:52,309 INFO L225 Difference]: With dead ends: 1101 [2019-10-13 23:10:52,309 INFO L226 Difference]: Without dead ends: 583 [2019-10-13 23:10:52,311 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 23:10:52,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 583 states. [2019-10-13 23:10:52,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 583 to 577. [2019-10-13 23:10:52,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 577 states. [2019-10-13 23:10:52,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 577 states and 685 transitions. [2019-10-13 23:10:52,340 INFO L78 Accepts]: Start accepts. Automaton has 577 states and 685 transitions. Word has length 164 [2019-10-13 23:10:52,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:10:52,340 INFO L462 AbstractCegarLoop]: Abstraction has 577 states and 685 transitions. [2019-10-13 23:10:52,340 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 23:10:52,341 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 685 transitions. [2019-10-13 23:10:52,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2019-10-13 23:10:52,344 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:10:52,344 INFO L380 BasicCegarLoop]: trace histogram [8, 3, 3, 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] [2019-10-13 23:10:52,344 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:10:52,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:10:52,345 INFO L82 PathProgramCache]: Analyzing trace with hash 1836470284, now seen corresponding path program 1 times [2019-10-13 23:10:52,345 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:10:52,345 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598297817] [2019-10-13 23:10:52,345 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:10:52,345 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:10:52,346 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:10:52,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:10:52,521 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2019-10-13 23:10:52,521 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1598297817] [2019-10-13 23:10:52,522 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:10:52,522 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:10:52,522 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954330167] [2019-10-13 23:10:52,523 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:10:52,523 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:10:52,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:10:52,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:10:52,524 INFO L87 Difference]: Start difference. First operand 577 states and 685 transitions. Second operand 3 states. [2019-10-13 23:10:52,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:10:52,568 INFO L93 Difference]: Finished difference Result 907 states and 1071 transitions. [2019-10-13 23:10:52,568 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:10:52,569 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 185 [2019-10-13 23:10:52,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:10:52,575 INFO L225 Difference]: With dead ends: 907 [2019-10-13 23:10:52,576 INFO L226 Difference]: Without dead ends: 579 [2019-10-13 23:10:52,577 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:10:52,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 579 states. [2019-10-13 23:10:52,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 579 to 579. [2019-10-13 23:10:52,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 579 states. [2019-10-13 23:10:52,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 579 states and 687 transitions. [2019-10-13 23:10:52,611 INFO L78 Accepts]: Start accepts. Automaton has 579 states and 687 transitions. Word has length 185 [2019-10-13 23:10:52,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:10:52,612 INFO L462 AbstractCegarLoop]: Abstraction has 579 states and 687 transitions. [2019-10-13 23:10:52,612 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:10:52,612 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 687 transitions. [2019-10-13 23:10:52,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2019-10-13 23:10:52,615 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:10:52,616 INFO L380 BasicCegarLoop]: trace histogram [8, 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] [2019-10-13 23:10:52,616 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:10:52,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:10:52,616 INFO L82 PathProgramCache]: Analyzing trace with hash 1720370243, now seen corresponding path program 1 times [2019-10-13 23:10:52,617 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:10:52,617 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296965969] [2019-10-13 23:10:52,618 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:10:52,618 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:10:52,618 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:10:52,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:10:52,847 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2019-10-13 23:10:52,848 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296965969] [2019-10-13 23:10:52,849 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:10:52,850 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:10:52,850 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735369964] [2019-10-13 23:10:52,850 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:10:52,851 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:10:52,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:10:52,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:10:52,851 INFO L87 Difference]: Start difference. First operand 579 states and 687 transitions. Second operand 3 states. [2019-10-13 23:10:52,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:10:52,904 INFO L93 Difference]: Finished difference Result 1104 states and 1342 transitions. [2019-10-13 23:10:52,905 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:10:52,905 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 192 [2019-10-13 23:10:52,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:10:52,909 INFO L225 Difference]: With dead ends: 1104 [2019-10-13 23:10:52,909 INFO L226 Difference]: Without dead ends: 633 [2019-10-13 23:10:52,911 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:10:52,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 633 states. [2019-10-13 23:10:52,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 633 to 632. [2019-10-13 23:10:52,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 632 states. [2019-10-13 23:10:52,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 632 states and 774 transitions. [2019-10-13 23:10:52,952 INFO L78 Accepts]: Start accepts. Automaton has 632 states and 774 transitions. Word has length 192 [2019-10-13 23:10:52,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:10:52,952 INFO L462 AbstractCegarLoop]: Abstraction has 632 states and 774 transitions. [2019-10-13 23:10:52,952 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:10:52,953 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states and 774 transitions. [2019-10-13 23:10:52,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2019-10-13 23:10:52,956 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:10:52,956 INFO L380 BasicCegarLoop]: trace histogram [8, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:10:52,956 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:10:52,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:10:52,957 INFO L82 PathProgramCache]: Analyzing trace with hash -603718544, now seen corresponding path program 1 times [2019-10-13 23:10:52,957 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:10:52,957 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122672893] [2019-10-13 23:10:52,957 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:10:52,958 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:10:52,958 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:10:53,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:10:53,655 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2019-10-13 23:10:53,656 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122672893] [2019-10-13 23:10:53,656 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:10:53,656 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2019-10-13 23:10:53,656 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651944096] [2019-10-13 23:10:53,657 INFO L442 AbstractCegarLoop]: Interpolant automaton has 25 states [2019-10-13 23:10:53,657 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:10:53,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2019-10-13 23:10:53,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=537, Unknown=0, NotChecked=0, Total=600 [2019-10-13 23:10:53,659 INFO L87 Difference]: Start difference. First operand 632 states and 774 transitions. Second operand 25 states. [2019-10-13 23:11:08,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:11:08,539 INFO L93 Difference]: Finished difference Result 1314 states and 1583 transitions. [2019-10-13 23:11:08,540 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2019-10-13 23:11:08,540 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 193 [2019-10-13 23:11:08,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:11:08,548 INFO L225 Difference]: With dead ends: 1314 [2019-10-13 23:11:08,548 INFO L226 Difference]: Without dead ends: 988 [2019-10-13 23:11:08,550 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 349 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=235, Invalid=2215, Unknown=0, NotChecked=0, Total=2450 [2019-10-13 23:11:08,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 988 states. [2019-10-13 23:11:08,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 988 to 979. [2019-10-13 23:11:08,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 979 states. [2019-10-13 23:11:08,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 979 states to 979 states and 1185 transitions. [2019-10-13 23:11:08,614 INFO L78 Accepts]: Start accepts. Automaton has 979 states and 1185 transitions. Word has length 193 [2019-10-13 23:11:08,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:11:08,620 INFO L462 AbstractCegarLoop]: Abstraction has 979 states and 1185 transitions. [2019-10-13 23:11:08,620 INFO L463 AbstractCegarLoop]: Interpolant automaton has 25 states. [2019-10-13 23:11:08,620 INFO L276 IsEmpty]: Start isEmpty. Operand 979 states and 1185 transitions. [2019-10-13 23:11:08,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2019-10-13 23:11:08,625 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:11:08,626 INFO L380 BasicCegarLoop]: trace histogram [8, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:11:08,626 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:11:08,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:11:08,627 INFO L82 PathProgramCache]: Analyzing trace with hash 956600800, now seen corresponding path program 1 times [2019-10-13 23:11:08,627 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:11:08,627 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232291814] [2019-10-13 23:11:08,627 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:11:08,627 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:11:08,627 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:11:08,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:11:09,289 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2019-10-13 23:11:09,290 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232291814] [2019-10-13 23:11:09,290 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:11:09,290 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2019-10-13 23:11:09,290 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520421934] [2019-10-13 23:11:09,291 INFO L442 AbstractCegarLoop]: Interpolant automaton has 27 states [2019-10-13 23:11:09,291 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:11:09,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2019-10-13 23:11:09,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=639, Unknown=0, NotChecked=0, Total=702 [2019-10-13 23:11:09,292 INFO L87 Difference]: Start difference. First operand 979 states and 1185 transitions. Second operand 27 states. [2019-10-13 23:11:11,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:11:11,984 INFO L93 Difference]: Finished difference Result 1073 states and 1301 transitions. [2019-10-13 23:11:11,987 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2019-10-13 23:11:11,987 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 199 [2019-10-13 23:11:11,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:11:11,997 INFO L225 Difference]: With dead ends: 1073 [2019-10-13 23:11:11,997 INFO L226 Difference]: Without dead ends: 1064 [2019-10-13 23:11:12,002 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 515 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=247, Invalid=2723, Unknown=0, NotChecked=0, Total=2970 [2019-10-13 23:11:12,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1064 states. [2019-10-13 23:11:12,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1064 to 1057. [2019-10-13 23:11:12,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1057 states. [2019-10-13 23:11:12,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1057 states to 1057 states and 1283 transitions. [2019-10-13 23:11:12,079 INFO L78 Accepts]: Start accepts. Automaton has 1057 states and 1283 transitions. Word has length 199 [2019-10-13 23:11:12,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:11:12,080 INFO L462 AbstractCegarLoop]: Abstraction has 1057 states and 1283 transitions. [2019-10-13 23:11:12,080 INFO L463 AbstractCegarLoop]: Interpolant automaton has 27 states. [2019-10-13 23:11:12,080 INFO L276 IsEmpty]: Start isEmpty. Operand 1057 states and 1283 transitions. [2019-10-13 23:11:12,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2019-10-13 23:11:12,084 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:11:12,084 INFO L380 BasicCegarLoop]: trace histogram [8, 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] [2019-10-13 23:11:12,085 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:11:12,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:11:12,085 INFO L82 PathProgramCache]: Analyzing trace with hash -1166610870, now seen corresponding path program 1 times [2019-10-13 23:11:12,085 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:11:12,085 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668980680] [2019-10-13 23:11:12,086 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:11:12,086 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:11:12,086 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:11:12,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:11:12,805 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2019-10-13 23:11:12,805 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668980680] [2019-10-13 23:11:12,806 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:11:12,806 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2019-10-13 23:11:12,806 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112097898] [2019-10-13 23:11:12,807 INFO L442 AbstractCegarLoop]: Interpolant automaton has 27 states [2019-10-13 23:11:12,807 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:11:12,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2019-10-13 23:11:12,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=633, Unknown=0, NotChecked=0, Total=702 [2019-10-13 23:11:12,808 INFO L87 Difference]: Start difference. First operand 1057 states and 1283 transitions. Second operand 27 states.