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_spec7_productSimulator.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 03:16:44,899 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 03:16:44,902 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 03:16:44,921 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 03:16:44,921 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 03:16:44,923 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 03:16:44,924 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 03:16:44,937 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 03:16:44,939 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 03:16:44,940 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 03:16:44,942 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 03:16:44,943 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 03:16:44,943 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 03:16:44,944 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 03:16:44,945 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 03:16:44,946 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 03:16:44,947 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 03:16:44,948 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 03:16:44,949 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 03:16:44,951 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 03:16:44,953 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 03:16:44,954 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 03:16:44,956 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 03:16:44,956 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 03:16:44,962 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 03:16:44,963 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 03:16:44,963 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 03:16:44,964 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 03:16:44,964 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 03:16:44,968 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 03:16:44,968 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 03:16:44,969 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 03:16:44,970 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 03:16:44,970 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 03:16:44,971 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 03:16:44,972 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 03:16:44,972 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 03:16:44,972 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 03:16:44,973 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 03:16:44,973 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 03:16:44,974 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 03:16:44,975 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 [2019-10-15 03:16:44,989 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 03:16:44,989 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 03:16:44,990 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 03:16:44,991 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 03:16:44,991 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 03:16:44,991 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 03:16:44,991 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 03:16:44,991 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 03:16:44,992 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 03:16:44,992 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 03:16:44,992 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 03:16:44,992 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 03:16:44,992 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 03:16:44,993 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 03:16:44,993 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 03:16:44,993 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 03:16:44,993 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 03:16:44,993 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 03:16:44,994 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 03:16:44,994 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 03:16:44,995 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 03:16:44,995 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 03:16:44,996 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 03:16:44,996 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 03:16:44,996 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 03:16:44,996 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 03:16:44,996 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 03:16:44,996 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 03:16:44,996 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 [2019-10-15 03:16:45,302 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 03:16:45,317 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 03:16:45,322 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 03:16:45,324 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 03:16:45,324 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 03:16:45,325 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec7_productSimulator.cil.c [2019-10-15 03:16:45,400 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52d3b6a96/8d0adf9c7e2d462c92e03e1354d08608/FLAG237e8bd34 [2019-10-15 03:16:46,100 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 03:16:46,101 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec7_productSimulator.cil.c [2019-10-15 03:16:46,128 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52d3b6a96/8d0adf9c7e2d462c92e03e1354d08608/FLAG237e8bd34 [2019-10-15 03:16:46,256 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52d3b6a96/8d0adf9c7e2d462c92e03e1354d08608 [2019-10-15 03:16:46,267 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 03:16:46,268 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 03:16:46,269 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 03:16:46,269 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 03:16:46,273 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 03:16:46,274 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:16:46" (1/1) ... [2019-10-15 03:16:46,277 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a029f66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:16:46, skipping insertion in model container [2019-10-15 03:16:46,277 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:16:46" (1/1) ... [2019-10-15 03:16:46,285 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 03:16:46,354 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 03:16:47,116 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:16:47,149 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 03:16:47,361 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:16:47,560 INFO L192 MainTranslator]: Completed translation [2019-10-15 03:16:47,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:16:47 WrapperNode [2019-10-15 03:16:47,560 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 03:16:47,561 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 03:16:47,561 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 03:16:47,562 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 03:16:47,577 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:16:47" (1/1) ... [2019-10-15 03:16:47,577 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:16:47" (1/1) ... [2019-10-15 03:16:47,612 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:16:47" (1/1) ... [2019-10-15 03:16:47,612 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:16:47" (1/1) ... [2019-10-15 03:16:47,700 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:16:47" (1/1) ... [2019-10-15 03:16:47,720 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:16:47" (1/1) ... [2019-10-15 03:16:47,734 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:16:47" (1/1) ... [2019-10-15 03:16:47,765 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 03:16:47,765 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 03:16:47,766 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 03:16:47,766 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 03:16:47,767 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:16:47" (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 [2019-10-15 03:16:47,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 03:16:47,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 03:16:47,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 03:16:47,830 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-15 03:16:47,831 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Encrypt [2019-10-15 03:16:47,831 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__Encrypt [2019-10-15 03:16:47,831 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__AddressBook [2019-10-15 03:16:47,831 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__AddressBook [2019-10-15 03:16:47,831 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Sign [2019-10-15 03:16:47,832 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__Sign [2019-10-15 03:16:47,832 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-15 03:16:47,832 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-15 03:16:47,832 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__AutoResponder [2019-10-15 03:16:47,832 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__AutoResponder [2019-10-15 03:16:47,833 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Forward [2019-10-15 03:16:47,833 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Forward [2019-10-15 03:16:47,833 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Verify [2019-10-15 03:16:47,833 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Verify [2019-10-15 03:16:47,833 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Decrypt [2019-10-15 03:16:47,834 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Decrypt [2019-10-15 03:16:47,834 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-15 03:16:47,834 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-15 03:16:47,834 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-15 03:16:47,835 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-15 03:16:47,835 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-15 03:16:47,835 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-15 03:16:47,835 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-15 03:16:47,836 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-15 03:16:47,836 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-15 03:16:47,836 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-15 03:16:47,836 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-15 03:16:47,836 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-15 03:16:47,837 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-15 03:16:47,837 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-15 03:16:47,837 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-15 03:16:47,837 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-15 03:16:47,837 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-15 03:16:47,837 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-15 03:16:47,838 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-15 03:16:47,838 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-15 03:16:47,838 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-15 03:16:47,838 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-15 03:16:47,838 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-15 03:16:47,839 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-15 03:16:47,839 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-15 03:16:47,839 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-15 03:16:47,839 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-15 03:16:47,839 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-15 03:16:47,839 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-15 03:16:47,840 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-15 03:16:47,840 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-15 03:16:47,840 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-15 03:16:47,840 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-15 03:16:47,840 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-15 03:16:47,840 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-15 03:16:47,841 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__before__Keys [2019-10-15 03:16:47,841 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__role__Keys [2019-10-15 03:16:47,841 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-15 03:16:47,841 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__before__Keys [2019-10-15 03:16:47,841 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__role__Keys [2019-10-15 03:16:47,842 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-15 03:16:47,842 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__before__Keys [2019-10-15 03:16:47,842 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__role__Keys [2019-10-15 03:16:47,842 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-15 03:16:47,842 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-15 03:16:47,842 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-15 03:16:47,843 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 03:16:47,843 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 03:16:47,843 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-15 03:16:47,843 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-15 03:16:47,843 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-15 03:16:47,844 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-15 03:16:47,844 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-15 03:16:47,844 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-15 03:16:47,844 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-15 03:16:47,844 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-15 03:16:47,844 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-15 03:16:47,845 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-15 03:16:47,845 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-15 03:16:47,845 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-15 03:16:47,845 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptVerify_spec__1 [2019-10-15 03:16:47,845 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Encrypt [2019-10-15 03:16:47,846 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Encrypt [2019-10-15 03:16:47,846 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Sign [2019-10-15 03:16:47,846 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Sign [2019-10-15 03:16:47,846 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Verify [2019-10-15 03:16:47,846 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Verify [2019-10-15 03:16:47,847 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-15 03:16:47,847 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__before__Encrypt [2019-10-15 03:16:47,866 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__role__Encrypt [2019-10-15 03:16:47,866 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-15 03:16:47,866 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-15 03:16:47,866 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-15 03:16:47,866 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-15 03:16:47,866 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-15 03:16:47,867 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-15 03:16:47,867 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-15 03:16:47,867 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-15 03:16:47,867 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-15 03:16:47,867 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-15 03:16:47,867 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-15 03:16:47,867 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-15 03:16:47,868 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-15 03:16:47,868 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-15 03:16:47,868 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-15 03:16:47,868 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-15 03:16:47,868 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-15 03:16:47,868 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-15 03:16:47,869 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-15 03:16:47,869 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-15 03:16:47,869 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-15 03:16:47,869 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-15 03:16:47,869 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-15 03:16:47,869 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-15 03:16:47,869 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-15 03:16:47,870 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-15 03:16:47,870 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-15 03:16:47,870 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-15 03:16:47,870 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-15 03:16:47,870 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-15 03:16:47,870 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-15 03:16:47,870 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-15 03:16:47,871 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 03:16:47,871 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 03:16:47,871 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 03:16:47,871 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 03:16:47,871 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 03:16:47,871 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-15 03:16:47,872 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 03:16:47,872 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 03:16:47,872 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 03:16:47,872 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 03:16:47,872 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 03:16:47,873 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 03:16:47,876 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 03:16:47,877 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 03:16:47,877 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 03:16:47,877 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 03:16:47,877 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-15 03:16:47,877 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-15 03:16:47,878 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-15 03:16:47,878 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-15 03:16:47,878 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-15 03:16:47,879 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-15 03:16:47,885 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-15 03:16:47,886 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-15 03:16:47,886 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-15 03:16:47,886 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-15 03:16:47,886 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-15 03:16:47,886 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-15 03:16:47,886 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-15 03:16:47,886 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-15 03:16:47,887 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-15 03:16:47,887 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-15 03:16:47,887 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-15 03:16:47,887 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-15 03:16:47,887 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-15 03:16:47,887 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-15 03:16:47,887 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-15 03:16:47,888 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-15 03:16:47,888 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-15 03:16:47,888 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-15 03:16:47,889 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-15 03:16:47,890 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-15 03:16:47,890 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-15 03:16:47,890 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-15 03:16:47,890 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-15 03:16:47,890 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-15 03:16:47,890 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-15 03:16:47,890 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-15 03:16:47,891 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-15 03:16:47,891 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-15 03:16:47,891 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-15 03:16:47,891 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-15 03:16:47,891 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-15 03:16:47,891 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-15 03:16:47,891 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-15 03:16:47,891 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-15 03:16:47,892 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-15 03:16:47,892 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-15 03:16:47,892 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-15 03:16:47,892 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 03:16:47,892 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Encrypt [2019-10-15 03:16:47,892 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__Encrypt [2019-10-15 03:16:47,892 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__AddressBook [2019-10-15 03:16:47,893 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__AddressBook [2019-10-15 03:16:47,893 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Sign [2019-10-15 03:16:47,893 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__Sign [2019-10-15 03:16:47,893 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__AutoResponder [2019-10-15 03:16:47,893 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__AutoResponder [2019-10-15 03:16:47,893 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Forward [2019-10-15 03:16:47,893 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Forward [2019-10-15 03:16:47,894 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Verify [2019-10-15 03:16:47,894 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Verify [2019-10-15 03:16:47,894 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Decrypt [2019-10-15 03:16:47,894 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Decrypt [2019-10-15 03:16:47,894 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptVerify_spec__1 [2019-10-15 03:16:47,894 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-15 03:16:47,894 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-15 03:16:47,894 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-15 03:16:47,895 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-15 03:16:47,895 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-15 03:16:47,895 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-15 03:16:47,895 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-15 03:16:47,895 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-15 03:16:47,895 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-15 03:16:47,895 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-15 03:16:47,896 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-15 03:16:47,896 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-15 03:16:47,897 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-15 03:16:47,898 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-15 03:16:47,898 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-15 03:16:47,898 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-15 03:16:47,898 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-15 03:16:47,898 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-15 03:16:47,898 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-15 03:16:47,899 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 03:16:47,899 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 03:16:47,899 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 03:16:47,899 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-15 03:16:47,899 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-15 03:16:47,899 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-15 03:16:47,899 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-15 03:16:47,899 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-15 03:16:47,900 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 03:16:47,900 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 03:16:47,900 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 03:16:47,900 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-15 03:16:47,900 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-15 03:16:47,900 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-15 03:16:47,900 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-15 03:16:47,900 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-15 03:16:47,901 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-15 03:16:47,901 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-15 03:16:47,901 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-15 03:16:47,901 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-15 03:16:47,901 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-15 03:16:47,901 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-15 03:16:47,901 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-15 03:16:47,901 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__before__Keys [2019-10-15 03:16:47,902 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__role__Keys [2019-10-15 03:16:47,902 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__before__Keys [2019-10-15 03:16:47,902 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__role__Keys [2019-10-15 03:16:47,902 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__before__Keys [2019-10-15 03:16:47,902 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__role__Keys [2019-10-15 03:16:47,902 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 03:16:47,902 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-15 03:16:47,903 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Encrypt [2019-10-15 03:16:47,903 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Encrypt [2019-10-15 03:16:47,903 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Sign [2019-10-15 03:16:47,903 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Sign [2019-10-15 03:16:47,903 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Verify [2019-10-15 03:16:47,903 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Verify [2019-10-15 03:16:47,903 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__before__Encrypt [2019-10-15 03:16:47,903 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__role__Encrypt [2019-10-15 03:16:47,904 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-15 03:16:47,904 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-15 03:16:47,904 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-15 03:16:47,904 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-15 03:16:47,904 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-15 03:16:47,905 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-15 03:16:47,910 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-15 03:16:47,910 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-15 03:16:47,910 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-15 03:16:47,910 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 03:16:47,910 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-15 03:16:47,911 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 03:16:47,911 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 03:16:47,911 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 03:16:47,911 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 03:16:47,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 03:16:47,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 03:16:47,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 03:16:47,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 03:16:47,914 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 03:16:47,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 03:16:47,915 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 03:16:47,915 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 03:16:47,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 03:16:47,915 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 03:16:47,915 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 03:16:47,915 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 03:16:47,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 03:16:47,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 03:16:47,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 03:16:52,777 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 03:16:52,778 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-15 03:16:52,780 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:16:52 BoogieIcfgContainer [2019-10-15 03:16:52,780 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 03:16:52,781 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 03:16:52,781 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 03:16:52,784 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 03:16:52,785 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 03:16:46" (1/3) ... [2019-10-15 03:16:52,785 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@467d4fd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:16:52, skipping insertion in model container [2019-10-15 03:16:52,786 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:16:47" (2/3) ... [2019-10-15 03:16:52,786 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@467d4fd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:16:52, skipping insertion in model container [2019-10-15 03:16:52,786 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:16:52" (3/3) ... [2019-10-15 03:16:52,788 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec7_productSimulator.cil.c [2019-10-15 03:16:52,798 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 03:16:52,808 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 03:16:52,820 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 03:16:52,851 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 03:16:52,851 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 03:16:52,852 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 03:16:52,852 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 03:16:52,852 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 03:16:52,852 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 03:16:52,852 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 03:16:52,852 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 03:16:52,884 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states. [2019-10-15 03:16:52,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2019-10-15 03:16:52,905 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:16:52,906 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:16:52,908 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:16:52,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:16:52,914 INFO L82 PathProgramCache]: Analyzing trace with hash -614740504, now seen corresponding path program 1 times [2019-10-15 03:16:52,924 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:16:52,924 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126059844] [2019-10-15 03:16:52,925 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:16:52,925 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:16:52,925 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:16:53,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:16:53,653 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-10-15 03:16:53,654 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126059844] [2019-10-15 03:16:53,655 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:16:53,655 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 03:16:53,655 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870053188] [2019-10-15 03:16:53,661 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 03:16:53,661 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:16:53,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 03:16:53,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 03:16:53,678 INFO L87 Difference]: Start difference. First operand 603 states. Second operand 6 states. [2019-10-15 03:16:53,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:16:53,855 INFO L93 Difference]: Finished difference Result 1128 states and 1420 transitions. [2019-10-15 03:16:53,859 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 03:16:53,861 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 159 [2019-10-15 03:16:53,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:16:53,902 INFO L225 Difference]: With dead ends: 1128 [2019-10-15 03:16:53,902 INFO L226 Difference]: Without dead ends: 576 [2019-10-15 03:16:53,916 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 [2019-10-15 03:16:53,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 576 states. [2019-10-15 03:16:54,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 576 to 576. [2019-10-15 03:16:54,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 576 states. [2019-10-15 03:16:54,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 576 states and 709 transitions. [2019-10-15 03:16:54,114 INFO L78 Accepts]: Start accepts. Automaton has 576 states and 709 transitions. Word has length 159 [2019-10-15 03:16:54,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:16:54,116 INFO L462 AbstractCegarLoop]: Abstraction has 576 states and 709 transitions. [2019-10-15 03:16:54,116 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 03:16:54,116 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 709 transitions. [2019-10-15 03:16:54,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2019-10-15 03:16:54,123 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:16:54,126 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:16:54,127 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:16:54,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:16:54,128 INFO L82 PathProgramCache]: Analyzing trace with hash -1382018425, now seen corresponding path program 1 times [2019-10-15 03:16:54,128 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:16:54,128 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212751053] [2019-10-15 03:16:54,129 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:16:54,129 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:16:54,129 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:16:54,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:16:54,433 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-10-15 03:16:54,433 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212751053] [2019-10-15 03:16:54,433 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:16:54,434 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-15 03:16:54,434 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158977679] [2019-10-15 03:16:54,436 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-15 03:16:54,436 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:16:54,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-15 03:16:54,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 03:16:54,437 INFO L87 Difference]: Start difference. First operand 576 states and 709 transitions. Second operand 4 states. [2019-10-15 03:16:55,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:16:55,214 INFO L93 Difference]: Finished difference Result 1112 states and 1386 transitions. [2019-10-15 03:16:55,214 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-15 03:16:55,214 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 165 [2019-10-15 03:16:55,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:16:55,220 INFO L225 Difference]: With dead ends: 1112 [2019-10-15 03:16:55,220 INFO L226 Difference]: Without dead ends: 576 [2019-10-15 03:16:55,222 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 [2019-10-15 03:16:55,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 576 states. [2019-10-15 03:16:55,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 576 to 576. [2019-10-15 03:16:55,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 576 states. [2019-10-15 03:16:55,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 576 states and 703 transitions. [2019-10-15 03:16:55,290 INFO L78 Accepts]: Start accepts. Automaton has 576 states and 703 transitions. Word has length 165 [2019-10-15 03:16:55,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:16:55,291 INFO L462 AbstractCegarLoop]: Abstraction has 576 states and 703 transitions. [2019-10-15 03:16:55,291 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-15 03:16:55,291 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 703 transitions. [2019-10-15 03:16:55,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2019-10-15 03:16:55,305 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:16:55,306 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:16:55,307 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:16:55,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:16:55,307 INFO L82 PathProgramCache]: Analyzing trace with hash 1625159900, now seen corresponding path program 1 times [2019-10-15 03:16:55,307 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:16:55,308 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462418593] [2019-10-15 03:16:55,308 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:16:55,308 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:16:55,308 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:16:55,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:16:55,605 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-10-15 03:16:55,605 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462418593] [2019-10-15 03:16:55,606 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:16:55,606 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:16:55,606 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323056449] [2019-10-15 03:16:55,607 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:16:55,607 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:16:55,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:16:55,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:16:55,608 INFO L87 Difference]: Start difference. First operand 576 states and 703 transitions. Second operand 3 states. [2019-10-15 03:16:55,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:16:55,714 INFO L93 Difference]: Finished difference Result 1620 states and 2022 transitions. [2019-10-15 03:16:55,715 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:16:55,715 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 166 [2019-10-15 03:16:55,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:16:55,725 INFO L225 Difference]: With dead ends: 1620 [2019-10-15 03:16:55,725 INFO L226 Difference]: Without dead ends: 1084 [2019-10-15 03:16:55,728 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 [2019-10-15 03:16:55,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1084 states. [2019-10-15 03:16:55,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1084 to 1081. [2019-10-15 03:16:55,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1081 states. [2019-10-15 03:16:55,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1081 states to 1081 states and 1336 transitions. [2019-10-15 03:16:55,823 INFO L78 Accepts]: Start accepts. Automaton has 1081 states and 1336 transitions. Word has length 166 [2019-10-15 03:16:55,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:16:55,825 INFO L462 AbstractCegarLoop]: Abstraction has 1081 states and 1336 transitions. [2019-10-15 03:16:55,825 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:16:55,826 INFO L276 IsEmpty]: Start isEmpty. Operand 1081 states and 1336 transitions. [2019-10-15 03:16:55,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2019-10-15 03:16:55,834 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:16:55,835 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:16:55,835 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:16:55,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:16:55,836 INFO L82 PathProgramCache]: Analyzing trace with hash 1276027460, now seen corresponding path program 1 times [2019-10-15 03:16:55,836 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:16:55,836 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680803906] [2019-10-15 03:16:55,837 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:16:55,837 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:16:55,837 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:16:55,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:16:56,056 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-10-15 03:16:56,056 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680803906] [2019-10-15 03:16:56,057 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:16:56,057 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:16:56,057 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653189452] [2019-10-15 03:16:56,059 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:16:56,059 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:16:56,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:16:56,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:16:56,060 INFO L87 Difference]: Start difference. First operand 1081 states and 1336 transitions. Second operand 3 states. [2019-10-15 03:16:56,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:16:56,213 INFO L93 Difference]: Finished difference Result 1084 states and 1338 transitions. [2019-10-15 03:16:56,214 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:16:56,214 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 167 [2019-10-15 03:16:56,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:16:56,218 INFO L225 Difference]: With dead ends: 1084 [2019-10-15 03:16:56,218 INFO L226 Difference]: Without dead ends: 576 [2019-10-15 03:16:56,220 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 [2019-10-15 03:16:56,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 576 states. [2019-10-15 03:16:56,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 576 to 576. [2019-10-15 03:16:56,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 576 states. [2019-10-15 03:16:56,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 576 states and 696 transitions. [2019-10-15 03:16:56,249 INFO L78 Accepts]: Start accepts. Automaton has 576 states and 696 transitions. Word has length 167 [2019-10-15 03:16:56,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:16:56,250 INFO L462 AbstractCegarLoop]: Abstraction has 576 states and 696 transitions. [2019-10-15 03:16:56,250 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:16:56,250 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 696 transitions. [2019-10-15 03:16:56,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2019-10-15 03:16:56,253 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:16:56,253 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:16:56,254 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:16:56,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:16:56,254 INFO L82 PathProgramCache]: Analyzing trace with hash -1782331571, now seen corresponding path program 1 times [2019-10-15 03:16:56,254 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:16:56,255 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368529380] [2019-10-15 03:16:56,255 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:16:56,255 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:16:56,256 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:16:56,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:16:56,465 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-10-15 03:16:56,466 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368529380] [2019-10-15 03:16:56,466 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:16:56,466 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-15 03:16:56,467 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120646824] [2019-10-15 03:16:56,468 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-15 03:16:56,468 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:16:56,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-15 03:16:56,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 03:16:56,469 INFO L87 Difference]: Start difference. First operand 576 states and 696 transitions. Second operand 4 states. [2019-10-15 03:16:57,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:16:57,280 INFO L93 Difference]: Finished difference Result 1095 states and 1322 transitions. [2019-10-15 03:16:57,280 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-15 03:16:57,280 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 179 [2019-10-15 03:16:57,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:16:57,285 INFO L225 Difference]: With dead ends: 1095 [2019-10-15 03:16:57,285 INFO L226 Difference]: Without dead ends: 581 [2019-10-15 03:16:57,287 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 [2019-10-15 03:16:57,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 581 states. [2019-10-15 03:16:57,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 581 to 575. [2019-10-15 03:16:57,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 575 states. [2019-10-15 03:16:57,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 575 states and 680 transitions. [2019-10-15 03:16:57,319 INFO L78 Accepts]: Start accepts. Automaton has 575 states and 680 transitions. Word has length 179 [2019-10-15 03:16:57,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:16:57,320 INFO L462 AbstractCegarLoop]: Abstraction has 575 states and 680 transitions. [2019-10-15 03:16:57,320 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-15 03:16:57,320 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 680 transitions. [2019-10-15 03:16:57,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2019-10-15 03:16:57,323 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:16:57,324 INFO L380 BasicCegarLoop]: trace histogram [8, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:16:57,324 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:16:57,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:16:57,324 INFO L82 PathProgramCache]: Analyzing trace with hash 22613257, now seen corresponding path program 1 times [2019-10-15 03:16:57,325 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:16:57,325 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240065796] [2019-10-15 03:16:57,325 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:16:57,325 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:16:57,326 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:16:57,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:16:57,560 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-10-15 03:16:57,561 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240065796] [2019-10-15 03:16:57,561 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:16:57,561 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:16:57,561 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103935448] [2019-10-15 03:16:57,562 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:16:57,562 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:16:57,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:16:57,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:16:57,563 INFO L87 Difference]: Start difference. First operand 575 states and 680 transitions. Second operand 3 states. [2019-10-15 03:16:57,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:16:57,610 INFO L93 Difference]: Finished difference Result 901 states and 1060 transitions. [2019-10-15 03:16:57,611 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:16:57,612 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 200 [2019-10-15 03:16:57,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:16:57,620 INFO L225 Difference]: With dead ends: 901 [2019-10-15 03:16:57,620 INFO L226 Difference]: Without dead ends: 577 [2019-10-15 03:16:57,622 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 [2019-10-15 03:16:57,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2019-10-15 03:16:57,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 577. [2019-10-15 03:16:57,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 577 states. [2019-10-15 03:16:57,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 577 states and 682 transitions. [2019-10-15 03:16:57,669 INFO L78 Accepts]: Start accepts. Automaton has 577 states and 682 transitions. Word has length 200 [2019-10-15 03:16:57,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:16:57,672 INFO L462 AbstractCegarLoop]: Abstraction has 577 states and 682 transitions. [2019-10-15 03:16:57,672 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:16:57,672 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 682 transitions. [2019-10-15 03:16:57,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2019-10-15 03:16:57,679 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:16:57,679 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:16:57,680 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:16:57,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:16:57,680 INFO L82 PathProgramCache]: Analyzing trace with hash -1533206705, now seen corresponding path program 1 times [2019-10-15 03:16:57,680 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:16:57,681 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518339558] [2019-10-15 03:16:57,681 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:16:57,681 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:16:57,681 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:16:57,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:16:57,923 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-10-15 03:16:57,923 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518339558] [2019-10-15 03:16:57,923 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:16:57,924 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:16:57,924 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303585618] [2019-10-15 03:16:57,924 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:16:57,925 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:16:57,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:16:57,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:16:57,925 INFO L87 Difference]: Start difference. First operand 577 states and 682 transitions. Second operand 3 states. [2019-10-15 03:16:57,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:16:57,973 INFO L93 Difference]: Finished difference Result 1098 states and 1331 transitions. [2019-10-15 03:16:57,973 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:16:57,973 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 207 [2019-10-15 03:16:57,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:16:57,977 INFO L225 Difference]: With dead ends: 1098 [2019-10-15 03:16:57,978 INFO L226 Difference]: Without dead ends: 631 [2019-10-15 03:16:57,982 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 [2019-10-15 03:16:57,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 631 states. [2019-10-15 03:16:58,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 631 to 630. [2019-10-15 03:16:58,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 630 states. [2019-10-15 03:16:58,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 630 states and 769 transitions. [2019-10-15 03:16:58,020 INFO L78 Accepts]: Start accepts. Automaton has 630 states and 769 transitions. Word has length 207 [2019-10-15 03:16:58,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:16:58,022 INFO L462 AbstractCegarLoop]: Abstraction has 630 states and 769 transitions. [2019-10-15 03:16:58,022 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:16:58,022 INFO L276 IsEmpty]: Start isEmpty. Operand 630 states and 769 transitions. [2019-10-15 03:16:58,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2019-10-15 03:16:58,026 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:16:58,027 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:16:58,027 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:16:58,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:16:58,027 INFO L82 PathProgramCache]: Analyzing trace with hash -918438714, now seen corresponding path program 1 times [2019-10-15 03:16:58,028 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:16:58,028 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424198616] [2019-10-15 03:16:58,028 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:16:58,028 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:16:58,028 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:16:58,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:16:58,337 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2019-10-15 03:16:58,338 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424198616] [2019-10-15 03:16:58,339 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:16:58,339 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-15 03:16:58,339 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326770175] [2019-10-15 03:16:58,340 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-15 03:16:58,340 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:16:58,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-15 03:16:58,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2019-10-15 03:16:58,341 INFO L87 Difference]: Start difference. First operand 630 states and 769 transitions. Second operand 9 states. [2019-10-15 03:16:58,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:16:58,825 INFO L93 Difference]: Finished difference Result 637 states and 778 transitions. [2019-10-15 03:16:58,826 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 03:16:58,826 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 208 [2019-10-15 03:16:58,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:16:58,831 INFO L225 Difference]: With dead ends: 637 [2019-10-15 03:16:58,831 INFO L226 Difference]: Without dead ends: 634 [2019-10-15 03:16:58,833 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2019-10-15 03:16:58,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 634 states. [2019-10-15 03:16:58,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 634 to 634. [2019-10-15 03:16:58,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 634 states. [2019-10-15 03:16:58,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 775 transitions. [2019-10-15 03:16:58,867 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 775 transitions. Word has length 208 [2019-10-15 03:16:58,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:16:58,870 INFO L462 AbstractCegarLoop]: Abstraction has 634 states and 775 transitions. [2019-10-15 03:16:58,870 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-15 03:16:58,870 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 775 transitions. [2019-10-15 03:16:58,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2019-10-15 03:16:58,874 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:16:58,874 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:16:58,874 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:16:58,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:16:58,875 INFO L82 PathProgramCache]: Analyzing trace with hash 459656183, now seen corresponding path program 1 times [2019-10-15 03:16:58,875 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:16:58,875 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282679428] [2019-10-15 03:16:58,876 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:16:58,876 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:16:58,876 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:16:58,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:16:59,090 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2019-10-15 03:16:59,090 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282679428] [2019-10-15 03:16:59,091 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:16:59,091 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-15 03:16:59,091 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454003396] [2019-10-15 03:16:59,092 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-15 03:16:59,092 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:16:59,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-15 03:16:59,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 03:16:59,093 INFO L87 Difference]: Start difference. First operand 634 states and 775 transitions. Second operand 4 states. [2019-10-15 03:17:00,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:17:00,298 INFO L93 Difference]: Finished difference Result 1780 states and 2234 transitions. [2019-10-15 03:17:00,299 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-15 03:17:00,300 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 214 [2019-10-15 03:17:00,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:17:00,307 INFO L225 Difference]: With dead ends: 1780 [2019-10-15 03:17:00,307 INFO L226 Difference]: Without dead ends: 628 [2019-10-15 03:17:00,312 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 [2019-10-15 03:17:00,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 628 states. [2019-10-15 03:17:00,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 628 to 628. [2019-10-15 03:17:00,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 628 states. [2019-10-15 03:17:00,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 628 states and 758 transitions. [2019-10-15 03:17:00,364 INFO L78 Accepts]: Start accepts. Automaton has 628 states and 758 transitions. Word has length 214 [2019-10-15 03:17:00,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:17:00,364 INFO L462 AbstractCegarLoop]: Abstraction has 628 states and 758 transitions. [2019-10-15 03:17:00,365 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-15 03:17:00,365 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 758 transitions. [2019-10-15 03:17:00,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2019-10-15 03:17:00,370 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:17:00,371 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:17:00,371 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:17:00,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:17:00,372 INFO L82 PathProgramCache]: Analyzing trace with hash -1554749411, now seen corresponding path program 1 times [2019-10-15 03:17:00,372 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:17:00,372 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178474849] [2019-10-15 03:17:00,373 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:17:00,373 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:17:00,373 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:17:00,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:17:00,544 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2019-10-15 03:17:00,545 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178474849] [2019-10-15 03:17:00,546 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:17:00,546 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:17:00,546 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55414807] [2019-10-15 03:17:00,547 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:17:00,548 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:17:00,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:17:00,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:17:00,549 INFO L87 Difference]: Start difference. First operand 628 states and 758 transitions. Second operand 3 states. [2019-10-15 03:17:00,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:17:00,683 INFO L93 Difference]: Finished difference Result 1213 states and 1481 transitions. [2019-10-15 03:17:00,683 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:17:00,683 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 227 [2019-10-15 03:17:00,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:17:00,688 INFO L225 Difference]: With dead ends: 1213 [2019-10-15 03:17:00,689 INFO L226 Difference]: Without dead ends: 627 [2019-10-15 03:17:00,697 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 [2019-10-15 03:17:00,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 627 states. [2019-10-15 03:17:00,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 627 to 627. [2019-10-15 03:17:00,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 627 states. [2019-10-15 03:17:00,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 627 states and 754 transitions. [2019-10-15 03:17:00,740 INFO L78 Accepts]: Start accepts. Automaton has 627 states and 754 transitions. Word has length 227 [2019-10-15 03:17:00,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:17:00,741 INFO L462 AbstractCegarLoop]: Abstraction has 627 states and 754 transitions. [2019-10-15 03:17:00,741 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:17:00,741 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 754 transitions. [2019-10-15 03:17:00,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2019-10-15 03:17:00,747 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:17:00,748 INFO L380 BasicCegarLoop]: trace histogram [8, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:17:00,748 INFO L410 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:17:00,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:17:00,749 INFO L82 PathProgramCache]: Analyzing trace with hash -1578381214, now seen corresponding path program 1 times [2019-10-15 03:17:00,749 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:17:00,749 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263758739] [2019-10-15 03:17:00,749 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:17:00,750 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:17:00,750 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:17:00,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:17:02,027 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2019-10-15 03:17:02,027 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263758739] [2019-10-15 03:17:02,028 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:17:02,028 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [40] imperfect sequences [] total 40 [2019-10-15 03:17:02,028 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007999394] [2019-10-15 03:17:02,028 INFO L442 AbstractCegarLoop]: Interpolant automaton has 40 states [2019-10-15 03:17:02,029 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:17:02,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2019-10-15 03:17:02,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=1455, Unknown=0, NotChecked=0, Total=1560 [2019-10-15 03:17:02,030 INFO L87 Difference]: Start difference. First operand 627 states and 754 transitions. Second operand 40 states. [2019-10-15 03:17:18,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:17:18,852 INFO L93 Difference]: Finished difference Result 1353 states and 1637 transitions. [2019-10-15 03:17:18,853 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2019-10-15 03:17:18,853 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 235 [2019-10-15 03:17:18,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:17:18,859 INFO L225 Difference]: With dead ends: 1353 [2019-10-15 03:17:18,859 INFO L226 Difference]: Without dead ends: 1040 [2019-10-15 03:17:18,862 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 619 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=244, Invalid=4046, Unknown=0, NotChecked=0, Total=4290 [2019-10-15 03:17:18,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1040 states. [2019-10-15 03:17:18,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1040 to 1025. [2019-10-15 03:17:18,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1025 states. [2019-10-15 03:17:18,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1025 states to 1025 states and 1237 transitions. [2019-10-15 03:17:18,923 INFO L78 Accepts]: Start accepts. Automaton has 1025 states and 1237 transitions. Word has length 235 [2019-10-15 03:17:18,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:17:18,925 INFO L462 AbstractCegarLoop]: Abstraction has 1025 states and 1237 transitions. [2019-10-15 03:17:18,925 INFO L463 AbstractCegarLoop]: Interpolant automaton has 40 states. [2019-10-15 03:17:18,925 INFO L276 IsEmpty]: Start isEmpty. Operand 1025 states and 1237 transitions. [2019-10-15 03:17:18,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2019-10-15 03:17:18,929 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:17:18,929 INFO L380 BasicCegarLoop]: trace histogram [8, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:17:18,930 INFO L410 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:17:18,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:17:18,930 INFO L82 PathProgramCache]: Analyzing trace with hash -405827079, now seen corresponding path program 1 times [2019-10-15 03:17:18,930 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:17:18,931 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631536590] [2019-10-15 03:17:18,931 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:17:18,931 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:17:18,931 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:17:19,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:17:20,008 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2019-10-15 03:17:20,008 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631536590] [2019-10-15 03:17:20,008 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:17:20,008 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [42] imperfect sequences [] total 42 [2019-10-15 03:17:20,009 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777098826] [2019-10-15 03:17:20,009 INFO L442 AbstractCegarLoop]: Interpolant automaton has 42 states [2019-10-15 03:17:20,010 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:17:20,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2019-10-15 03:17:20,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=1611, Unknown=0, NotChecked=0, Total=1722 [2019-10-15 03:17:20,011 INFO L87 Difference]: Start difference. First operand 1025 states and 1237 transitions. Second operand 42 states.