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 0.1.24-36ac518-m [2019-10-07 15:06:43,587 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 15:06:43,590 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 15:06:43,602 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 15:06:43,603 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 15:06:43,604 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 15:06:43,605 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 15:06:43,607 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 15:06:43,609 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 15:06:43,610 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 15:06:43,611 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 15:06:43,612 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 15:06:43,612 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 15:06:43,613 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 15:06:43,614 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 15:06:43,615 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 15:06:43,616 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 15:06:43,617 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 15:06:43,619 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 15:06:43,621 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 15:06:43,623 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 15:06:43,624 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 15:06:43,625 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 15:06:43,626 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 15:06:43,629 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 15:06:43,629 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 15:06:43,629 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 15:06:43,630 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 15:06:43,631 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 15:06:43,632 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 15:06:43,632 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 15:06:43,633 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 15:06:43,634 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 15:06:43,635 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 15:06:43,636 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 15:06:43,636 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 15:06:43,637 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 15:06:43,637 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 15:06:43,637 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 15:06:43,638 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 15:06:43,639 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 15:06:43,640 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 [2019-10-07 15:06:43,655 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 15:06:43,656 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 15:06:43,657 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 15:06:43,657 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 15:06:43,657 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 15:06:43,658 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 15:06:43,658 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 15:06:43,658 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 15:06:43,658 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 15:06:43,658 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 15:06:43,659 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 15:06:43,659 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 15:06:43,659 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 15:06:43,659 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 15:06:43,659 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 15:06:43,660 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 15:06:43,660 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 15:06:43,660 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 15:06:43,660 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 15:06:43,660 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 15:06:43,661 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 15:06:43,661 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:06:43,661 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 15:06:43,661 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 15:06:43,662 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 15:06:43,662 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 15:06:43,662 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 15:06:43,662 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 15:06:43,662 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 [2019-10-07 15:06:43,985 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 15:06:43,999 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 15:06:44,003 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 15:06:44,005 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 15:06:44,005 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 15:06:44,006 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec7_productSimulator.cil.c [2019-10-07 15:06:44,076 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26d3f311b/052b60eafb614801872385cf1d4228ef/FLAG804b0b014 [2019-10-07 15:06:44,785 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 15:06:44,785 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec7_productSimulator.cil.c [2019-10-07 15:06:44,812 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26d3f311b/052b60eafb614801872385cf1d4228ef/FLAG804b0b014 [2019-10-07 15:06:44,915 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26d3f311b/052b60eafb614801872385cf1d4228ef [2019-10-07 15:06:44,926 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 15:06:44,928 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 15:06:44,929 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 15:06:44,929 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 15:06:44,933 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 15:06:44,934 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:06:44" (1/1) ... [2019-10-07 15:06:44,937 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fac7d7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:06:44, skipping insertion in model container [2019-10-07 15:06:44,938 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:06:44" (1/1) ... [2019-10-07 15:06:44,946 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 15:06:45,036 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 15:06:45,953 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:06:45,983 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 15:06:46,153 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:06:46,343 INFO L192 MainTranslator]: Completed translation [2019-10-07 15:06:46,344 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:06:46 WrapperNode [2019-10-07 15:06:46,344 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 15:06:46,345 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 15:06:46,345 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 15:06:46,346 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 15:06:46,362 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:06:46" (1/1) ... [2019-10-07 15:06:46,362 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:06:46" (1/1) ... [2019-10-07 15:06:46,417 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:06:46" (1/1) ... [2019-10-07 15:06:46,418 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:06:46" (1/1) ... [2019-10-07 15:06:46,486 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:06:46" (1/1) ... [2019-10-07 15:06:46,514 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:06:46" (1/1) ... [2019-10-07 15:06:46,529 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:06:46" (1/1) ... [2019-10-07 15:06:46,551 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 15:06:46,552 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 15:06:46,552 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 15:06:46,552 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 15:06:46,554 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:06:46" (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 [2019-10-07 15:06:46,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 15:06:46,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 15:06:46,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 15:06:46,657 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-07 15:06:46,658 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Encrypt [2019-10-07 15:06:46,658 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__Encrypt [2019-10-07 15:06:46,658 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__AddressBook [2019-10-07 15:06:46,658 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__AddressBook [2019-10-07 15:06:46,659 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Sign [2019-10-07 15:06:46,659 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__Sign [2019-10-07 15:06:46,659 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-07 15:06:46,659 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-07 15:06:46,660 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__AutoResponder [2019-10-07 15:06:46,660 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__AutoResponder [2019-10-07 15:06:46,660 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Forward [2019-10-07 15:06:46,661 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Forward [2019-10-07 15:06:46,661 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Verify [2019-10-07 15:06:46,661 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Verify [2019-10-07 15:06:46,661 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Decrypt [2019-10-07 15:06:46,663 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Decrypt [2019-10-07 15:06:46,663 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-07 15:06:46,663 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-07 15:06:46,664 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-07 15:06:46,664 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-07 15:06:46,664 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-07 15:06:46,664 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-07 15:06:46,665 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-07 15:06:46,665 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-07 15:06:46,665 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-07 15:06:46,665 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-07 15:06:46,666 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-07 15:06:46,666 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-07 15:06:46,666 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-07 15:06:46,666 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-07 15:06:46,667 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-07 15:06:46,667 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-07 15:06:46,668 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-07 15:06:46,668 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-07 15:06:46,668 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-07 15:06:46,668 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-07 15:06:46,669 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-07 15:06:46,669 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-07 15:06:46,669 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-07 15:06:46,669 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-07 15:06:46,670 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-07 15:06:46,670 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-07 15:06:46,670 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-07 15:06:46,671 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-07 15:06:46,671 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-07 15:06:46,671 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-07 15:06:46,671 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-07 15:06:46,671 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-07 15:06:46,672 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-07 15:06:46,672 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-07 15:06:46,672 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-07 15:06:46,672 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__before__Keys [2019-10-07 15:06:46,672 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__role__Keys [2019-10-07 15:06:46,673 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-07 15:06:46,673 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__before__Keys [2019-10-07 15:06:46,674 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__role__Keys [2019-10-07 15:06:46,674 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-07 15:06:46,674 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__before__Keys [2019-10-07 15:06:46,674 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__role__Keys [2019-10-07 15:06:46,675 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-07 15:06:46,675 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-07 15:06:46,675 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-07 15:06:46,675 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 15:06:46,675 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 15:06:46,676 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-07 15:06:46,676 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-07 15:06:46,676 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-07 15:06:46,677 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-07 15:06:46,707 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-07 15:06:46,707 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-07 15:06:46,707 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-07 15:06:46,708 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-07 15:06:46,708 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-07 15:06:46,708 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-07 15:06:46,708 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-07 15:06:46,708 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-07 15:06:46,708 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptVerify_spec__1 [2019-10-07 15:06:46,709 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Encrypt [2019-10-07 15:06:46,709 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Encrypt [2019-10-07 15:06:46,709 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Sign [2019-10-07 15:06:46,709 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Sign [2019-10-07 15:06:46,709 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Verify [2019-10-07 15:06:46,709 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Verify [2019-10-07 15:06:46,710 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-07 15:06:46,710 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__before__Encrypt [2019-10-07 15:06:46,710 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__role__Encrypt [2019-10-07 15:06:46,710 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-07 15:06:46,710 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-07 15:06:46,710 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-07 15:06:46,710 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-07 15:06:46,711 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-07 15:06:46,711 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-07 15:06:46,711 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-07 15:06:46,711 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-07 15:06:46,711 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-07 15:06:46,711 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-07 15:06:46,712 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-07 15:06:46,712 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-07 15:06:46,712 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-07 15:06:46,712 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-07 15:06:46,712 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-07 15:06:46,712 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-07 15:06:46,713 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-07 15:06:46,713 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-07 15:06:46,713 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-07 15:06:46,713 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-07 15:06:46,713 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-07 15:06:46,713 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-07 15:06:46,713 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-07 15:06:46,714 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-07 15:06:46,714 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-07 15:06:46,714 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-07 15:06:46,714 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-07 15:06:46,714 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-07 15:06:46,715 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-07 15:06:46,715 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-07 15:06:46,715 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-07 15:06:46,715 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-07 15:06:46,715 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 15:06:46,715 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 15:06:46,716 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 15:06:46,716 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 15:06:46,716 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 15:06:46,716 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-07 15:06:46,716 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 15:06:46,717 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 15:06:46,717 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 15:06:46,717 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 15:06:46,717 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 15:06:46,717 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 15:06:46,717 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 15:06:46,718 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 15:06:46,718 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 15:06:46,718 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 15:06:46,718 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-07 15:06:46,719 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-07 15:06:46,719 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-07 15:06:46,719 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-07 15:06:46,719 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-07 15:06:46,719 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-07 15:06:46,719 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-07 15:06:46,720 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-07 15:06:46,720 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-07 15:06:46,720 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-07 15:06:46,720 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-07 15:06:46,720 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-07 15:06:46,720 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-07 15:06:46,721 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-07 15:06:46,721 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-07 15:06:46,721 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-07 15:06:46,721 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-07 15:06:46,721 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-07 15:06:46,722 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-07 15:06:46,722 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-07 15:06:46,722 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-07 15:06:46,722 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-07 15:06:46,722 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-07 15:06:46,722 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-07 15:06:46,723 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-07 15:06:46,723 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-07 15:06:46,723 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-07 15:06:46,723 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-07 15:06:46,723 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-07 15:06:46,723 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-07 15:06:46,724 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-07 15:06:46,724 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-07 15:06:46,724 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-07 15:06:46,724 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-07 15:06:46,724 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-07 15:06:46,725 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-07 15:06:46,725 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-07 15:06:46,725 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-07 15:06:46,725 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-07 15:06:46,725 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-07 15:06:46,726 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-07 15:06:46,726 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-07 15:06:46,726 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-07 15:06:46,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 15:06:46,726 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Encrypt [2019-10-07 15:06:46,727 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__Encrypt [2019-10-07 15:06:46,727 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__AddressBook [2019-10-07 15:06:46,727 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__AddressBook [2019-10-07 15:06:46,727 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Sign [2019-10-07 15:06:46,727 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__Sign [2019-10-07 15:06:46,728 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__AutoResponder [2019-10-07 15:06:46,728 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__AutoResponder [2019-10-07 15:06:46,728 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Forward [2019-10-07 15:06:46,728 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Forward [2019-10-07 15:06:46,728 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Verify [2019-10-07 15:06:46,728 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Verify [2019-10-07 15:06:46,729 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Decrypt [2019-10-07 15:06:46,729 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Decrypt [2019-10-07 15:06:46,729 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptVerify_spec__1 [2019-10-07 15:06:46,729 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-07 15:06:46,729 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-07 15:06:46,729 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-07 15:06:46,730 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-07 15:06:46,730 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-07 15:06:46,730 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-07 15:06:46,730 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-07 15:06:46,730 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-07 15:06:46,730 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-07 15:06:46,730 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-07 15:06:46,731 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-07 15:06:46,731 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-07 15:06:46,731 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-07 15:06:46,731 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-07 15:06:46,731 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-07 15:06:46,731 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-07 15:06:46,732 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-07 15:06:46,732 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-07 15:06:46,732 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-07 15:06:46,732 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 15:06:46,732 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 15:06:46,732 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 15:06:46,732 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-07 15:06:46,733 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-07 15:06:46,733 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-07 15:06:46,733 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-07 15:06:46,733 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-07 15:06:46,733 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 15:06:46,733 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 15:06:46,734 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 15:06:46,734 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-07 15:06:46,734 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-07 15:06:46,734 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-07 15:06:46,734 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-07 15:06:46,734 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-07 15:06:46,735 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-07 15:06:46,735 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-07 15:06:46,735 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-07 15:06:46,735 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-07 15:06:46,735 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-07 15:06:46,735 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-07 15:06:46,735 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-07 15:06:46,736 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__before__Keys [2019-10-07 15:06:46,736 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__role__Keys [2019-10-07 15:06:46,736 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__before__Keys [2019-10-07 15:06:46,736 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__role__Keys [2019-10-07 15:06:46,736 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__before__Keys [2019-10-07 15:06:46,736 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__role__Keys [2019-10-07 15:06:46,736 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 15:06:46,737 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-07 15:06:46,737 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Encrypt [2019-10-07 15:06:46,737 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Encrypt [2019-10-07 15:06:46,737 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Sign [2019-10-07 15:06:46,737 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Sign [2019-10-07 15:06:46,737 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Verify [2019-10-07 15:06:46,737 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Verify [2019-10-07 15:06:46,738 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__before__Encrypt [2019-10-07 15:06:46,738 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__role__Encrypt [2019-10-07 15:06:46,738 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-07 15:06:46,738 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-07 15:06:46,738 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-07 15:06:46,738 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-07 15:06:46,738 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-07 15:06:46,739 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-07 15:06:46,739 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-07 15:06:46,739 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-07 15:06:46,739 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-07 15:06:46,739 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 15:06:46,740 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-07 15:06:46,740 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 15:06:46,740 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 15:06:46,740 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 15:06:46,740 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 15:06:46,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 15:06:46,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 15:06:46,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 15:06:46,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 15:06:46,741 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 15:06:46,741 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 15:06:46,741 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 15:06:46,741 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 15:06:46,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 15:06:46,742 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 15:06:46,742 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 15:06:46,742 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 15:06:46,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 15:06:46,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 15:06:46,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 15:06:51,915 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 15:06:51,916 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-07 15:06:51,918 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:06:51 BoogieIcfgContainer [2019-10-07 15:06:51,918 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 15:06:51,919 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 15:06:51,920 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 15:06:51,923 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 15:06:51,924 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:06:44" (1/3) ... [2019-10-07 15:06:51,924 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76cf737d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:06:51, skipping insertion in model container [2019-10-07 15:06:51,925 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:06:46" (2/3) ... [2019-10-07 15:06:51,925 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76cf737d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:06:51, skipping insertion in model container [2019-10-07 15:06:51,925 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:06:51" (3/3) ... [2019-10-07 15:06:51,927 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec7_productSimulator.cil.c [2019-10-07 15:06:51,938 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 15:06:51,949 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 15:06:51,962 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 15:06:51,997 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 15:06:51,997 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 15:06:51,997 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 15:06:51,997 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 15:06:51,997 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 15:06:51,998 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 15:06:51,998 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 15:06:51,998 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 15:06:52,032 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states. [2019-10-07 15:06:52,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2019-10-07 15:06:52,054 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:06:52,056 INFO L385 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] [2019-10-07 15:06:52,058 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:06:52,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:06:52,066 INFO L82 PathProgramCache]: Analyzing trace with hash -614740504, now seen corresponding path program 1 times [2019-10-07 15:06:52,075 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:06:52,076 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:06:52,076 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:06:52,076 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:06:52,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:06:52,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:06:52,844 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-10-07 15:06:52,845 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:06:52,846 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:06:52,846 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 15:06:52,851 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 15:06:52,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 15:06:52,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-07 15:06:52,870 INFO L87 Difference]: Start difference. First operand 603 states. Second operand 6 states. [2019-10-07 15:06:53,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:06:53,114 INFO L93 Difference]: Finished difference Result 1128 states and 1420 transitions. [2019-10-07 15:06:53,114 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 15:06:53,116 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 159 [2019-10-07 15:06:53,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:06:53,138 INFO L225 Difference]: With dead ends: 1128 [2019-10-07 15:06:53,138 INFO L226 Difference]: Without dead ends: 576 [2019-10-07 15:06:53,148 INFO L606 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 [2019-10-07 15:06:53,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 576 states. [2019-10-07 15:06:53,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 576 to 576. [2019-10-07 15:06:53,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 576 states. [2019-10-07 15:06:53,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 576 states and 709 transitions. [2019-10-07 15:06:53,270 INFO L78 Accepts]: Start accepts. Automaton has 576 states and 709 transitions. Word has length 159 [2019-10-07 15:06:53,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:06:53,272 INFO L462 AbstractCegarLoop]: Abstraction has 576 states and 709 transitions. [2019-10-07 15:06:53,273 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 15:06:53,273 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 709 transitions. [2019-10-07 15:06:53,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2019-10-07 15:06:53,280 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:06:53,280 INFO L385 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] [2019-10-07 15:06:53,280 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:06:53,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:06:53,281 INFO L82 PathProgramCache]: Analyzing trace with hash -1382018425, now seen corresponding path program 1 times [2019-10-07 15:06:53,281 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:06:53,281 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:06:53,282 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:06:53,282 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:06:53,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:06:53,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:06:53,695 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-10-07 15:06:53,695 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:06:53,696 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:06:53,696 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-07 15:06:53,698 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-07 15:06:53,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-07 15:06:53,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-07 15:06:53,699 INFO L87 Difference]: Start difference. First operand 576 states and 709 transitions. Second operand 4 states. [2019-10-07 15:06:54,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:06:54,567 INFO L93 Difference]: Finished difference Result 1112 states and 1386 transitions. [2019-10-07 15:06:54,567 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-07 15:06:54,567 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 165 [2019-10-07 15:06:54,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:06:54,574 INFO L225 Difference]: With dead ends: 1112 [2019-10-07 15:06:54,575 INFO L226 Difference]: Without dead ends: 576 [2019-10-07 15:06:54,579 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-07 15:06:54,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 576 states. [2019-10-07 15:06:54,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 576 to 576. [2019-10-07 15:06:54,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 576 states. [2019-10-07 15:06:54,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 576 states and 703 transitions. [2019-10-07 15:06:54,630 INFO L78 Accepts]: Start accepts. Automaton has 576 states and 703 transitions. Word has length 165 [2019-10-07 15:06:54,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:06:54,631 INFO L462 AbstractCegarLoop]: Abstraction has 576 states and 703 transitions. [2019-10-07 15:06:54,631 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-07 15:06:54,631 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 703 transitions. [2019-10-07 15:06:54,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2019-10-07 15:06:54,640 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:06:54,640 INFO L385 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] [2019-10-07 15:06:54,640 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:06:54,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:06:54,641 INFO L82 PathProgramCache]: Analyzing trace with hash 1625159900, now seen corresponding path program 1 times [2019-10-07 15:06:54,642 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:06:54,642 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:06:54,643 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:06:54,643 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:06:54,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:06:54,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:06:54,874 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-10-07 15:06:54,875 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:06:54,875 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:06:54,875 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:06:54,876 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:06:54,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:06:54,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:06:54,877 INFO L87 Difference]: Start difference. First operand 576 states and 703 transitions. Second operand 3 states. [2019-10-07 15:06:55,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:06:55,080 INFO L93 Difference]: Finished difference Result 1620 states and 2022 transitions. [2019-10-07 15:06:55,081 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:06:55,081 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 166 [2019-10-07 15:06:55,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:06:55,090 INFO L225 Difference]: With dead ends: 1620 [2019-10-07 15:06:55,090 INFO L226 Difference]: Without dead ends: 1084 [2019-10-07 15:06:55,093 INFO L606 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 [2019-10-07 15:06:55,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1084 states. [2019-10-07 15:06:55,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1084 to 1081. [2019-10-07 15:06:55,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1081 states. [2019-10-07 15:06:55,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1081 states to 1081 states and 1336 transitions. [2019-10-07 15:06:55,164 INFO L78 Accepts]: Start accepts. Automaton has 1081 states and 1336 transitions. Word has length 166 [2019-10-07 15:06:55,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:06:55,165 INFO L462 AbstractCegarLoop]: Abstraction has 1081 states and 1336 transitions. [2019-10-07 15:06:55,165 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:06:55,165 INFO L276 IsEmpty]: Start isEmpty. Operand 1081 states and 1336 transitions. [2019-10-07 15:06:55,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2019-10-07 15:06:55,170 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:06:55,171 INFO L385 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] [2019-10-07 15:06:55,171 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:06:55,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:06:55,172 INFO L82 PathProgramCache]: Analyzing trace with hash 1276027460, now seen corresponding path program 1 times [2019-10-07 15:06:55,172 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:06:55,172 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:06:55,172 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:06:55,172 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:06:55,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:06:55,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:06:55,321 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-10-07 15:06:55,321 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:06:55,321 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:06:55,321 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:06:55,322 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:06:55,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:06:55,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:06:55,323 INFO L87 Difference]: Start difference. First operand 1081 states and 1336 transitions. Second operand 3 states. [2019-10-07 15:06:55,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:06:55,451 INFO L93 Difference]: Finished difference Result 1084 states and 1338 transitions. [2019-10-07 15:06:55,452 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:06:55,452 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 167 [2019-10-07 15:06:55,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:06:55,457 INFO L225 Difference]: With dead ends: 1084 [2019-10-07 15:06:55,458 INFO L226 Difference]: Without dead ends: 576 [2019-10-07 15:06:55,460 INFO L606 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 [2019-10-07 15:06:55,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 576 states. [2019-10-07 15:06:55,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 576 to 576. [2019-10-07 15:06:55,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 576 states. [2019-10-07 15:06:55,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 576 states and 696 transitions. [2019-10-07 15:06:55,497 INFO L78 Accepts]: Start accepts. Automaton has 576 states and 696 transitions. Word has length 167 [2019-10-07 15:06:55,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:06:55,498 INFO L462 AbstractCegarLoop]: Abstraction has 576 states and 696 transitions. [2019-10-07 15:06:55,498 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:06:55,498 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 696 transitions. [2019-10-07 15:06:55,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2019-10-07 15:06:55,503 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:06:55,504 INFO L385 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] [2019-10-07 15:06:55,504 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:06:55,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:06:55,505 INFO L82 PathProgramCache]: Analyzing trace with hash -1782331571, now seen corresponding path program 1 times [2019-10-07 15:06:55,505 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:06:55,505 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:06:55,506 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:06:55,506 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:06:55,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:06:55,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:06:55,696 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-10-07 15:06:55,696 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:06:55,696 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:06:55,697 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-07 15:06:55,697 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-07 15:06:55,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-07 15:06:55,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-07 15:06:55,698 INFO L87 Difference]: Start difference. First operand 576 states and 696 transitions. Second operand 4 states. [2019-10-07 15:06:56,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:06:56,523 INFO L93 Difference]: Finished difference Result 1095 states and 1322 transitions. [2019-10-07 15:06:56,523 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-07 15:06:56,524 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 179 [2019-10-07 15:06:56,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:06:56,530 INFO L225 Difference]: With dead ends: 1095 [2019-10-07 15:06:56,530 INFO L226 Difference]: Without dead ends: 581 [2019-10-07 15:06:56,533 INFO L606 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 [2019-10-07 15:06:56,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 581 states. [2019-10-07 15:06:56,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 581 to 575. [2019-10-07 15:06:56,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 575 states. [2019-10-07 15:06:56,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 575 states and 680 transitions. [2019-10-07 15:06:56,570 INFO L78 Accepts]: Start accepts. Automaton has 575 states and 680 transitions. Word has length 179 [2019-10-07 15:06:56,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:06:56,571 INFO L462 AbstractCegarLoop]: Abstraction has 575 states and 680 transitions. [2019-10-07 15:06:56,571 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-07 15:06:56,572 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 680 transitions. [2019-10-07 15:06:56,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2019-10-07 15:06:56,578 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:06:56,579 INFO L385 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] [2019-10-07 15:06:56,579 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:06:56,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:06:56,580 INFO L82 PathProgramCache]: Analyzing trace with hash 22613257, now seen corresponding path program 1 times [2019-10-07 15:06:56,580 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:06:56,581 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:06:56,581 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:06:56,581 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:06:56,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:06:56,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:06:56,844 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-10-07 15:06:56,844 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:06:56,845 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:06:56,845 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:06:56,845 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:06:56,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:06:56,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:06:56,846 INFO L87 Difference]: Start difference. First operand 575 states and 680 transitions. Second operand 3 states. [2019-10-07 15:06:56,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:06:56,890 INFO L93 Difference]: Finished difference Result 901 states and 1060 transitions. [2019-10-07 15:06:56,890 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:06:56,891 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 200 [2019-10-07 15:06:56,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:06:56,898 INFO L225 Difference]: With dead ends: 901 [2019-10-07 15:06:56,898 INFO L226 Difference]: Without dead ends: 577 [2019-10-07 15:06:56,900 INFO L606 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 [2019-10-07 15:06:56,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2019-10-07 15:06:56,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 577. [2019-10-07 15:06:56,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 577 states. [2019-10-07 15:06:56,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 577 states and 682 transitions. [2019-10-07 15:06:56,932 INFO L78 Accepts]: Start accepts. Automaton has 577 states and 682 transitions. Word has length 200 [2019-10-07 15:06:56,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:06:56,935 INFO L462 AbstractCegarLoop]: Abstraction has 577 states and 682 transitions. [2019-10-07 15:06:56,935 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:06:56,936 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 682 transitions. [2019-10-07 15:06:56,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2019-10-07 15:06:56,939 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:06:56,939 INFO L385 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] [2019-10-07 15:06:56,940 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:06:56,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:06:56,940 INFO L82 PathProgramCache]: Analyzing trace with hash -1533206705, now seen corresponding path program 1 times [2019-10-07 15:06:56,940 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:06:56,941 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:06:56,941 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:06:56,941 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:06:56,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:06:57,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:06:57,223 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-10-07 15:06:57,224 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:06:57,224 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:06:57,224 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:06:57,225 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:06:57,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:06:57,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:06:57,226 INFO L87 Difference]: Start difference. First operand 577 states and 682 transitions. Second operand 3 states. [2019-10-07 15:06:57,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:06:57,279 INFO L93 Difference]: Finished difference Result 1098 states and 1331 transitions. [2019-10-07 15:06:57,279 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:06:57,280 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 207 [2019-10-07 15:06:57,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:06:57,284 INFO L225 Difference]: With dead ends: 1098 [2019-10-07 15:06:57,285 INFO L226 Difference]: Without dead ends: 631 [2019-10-07 15:06:57,287 INFO L606 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 [2019-10-07 15:06:57,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 631 states. [2019-10-07 15:06:57,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 631 to 630. [2019-10-07 15:06:57,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 630 states. [2019-10-07 15:06:57,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 630 states and 769 transitions. [2019-10-07 15:06:57,326 INFO L78 Accepts]: Start accepts. Automaton has 630 states and 769 transitions. Word has length 207 [2019-10-07 15:06:57,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:06:57,328 INFO L462 AbstractCegarLoop]: Abstraction has 630 states and 769 transitions. [2019-10-07 15:06:57,328 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:06:57,328 INFO L276 IsEmpty]: Start isEmpty. Operand 630 states and 769 transitions. [2019-10-07 15:06:57,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2019-10-07 15:06:57,333 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:06:57,333 INFO L385 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] [2019-10-07 15:06:57,334 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:06:57,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:06:57,334 INFO L82 PathProgramCache]: Analyzing trace with hash -918438714, now seen corresponding path program 1 times [2019-10-07 15:06:57,334 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:06:57,334 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:06:57,335 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:06:57,335 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:06:57,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:06:57,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:06:57,585 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2019-10-07 15:06:57,585 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:06:57,586 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:06:57,586 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-07 15:06:57,587 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-07 15:06:57,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-07 15:06:57,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2019-10-07 15:06:57,588 INFO L87 Difference]: Start difference. First operand 630 states and 769 transitions. Second operand 9 states. [2019-10-07 15:06:58,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:06:58,230 INFO L93 Difference]: Finished difference Result 637 states and 778 transitions. [2019-10-07 15:06:58,231 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-07 15:06:58,231 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 208 [2019-10-07 15:06:58,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:06:58,239 INFO L225 Difference]: With dead ends: 637 [2019-10-07 15:06:58,240 INFO L226 Difference]: Without dead ends: 634 [2019-10-07 15:06:58,242 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2019-10-07 15:06:58,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 634 states. [2019-10-07 15:06:58,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 634 to 634. [2019-10-07 15:06:58,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 634 states. [2019-10-07 15:06:58,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 775 transitions. [2019-10-07 15:06:58,288 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 775 transitions. Word has length 208 [2019-10-07 15:06:58,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:06:58,293 INFO L462 AbstractCegarLoop]: Abstraction has 634 states and 775 transitions. [2019-10-07 15:06:58,293 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-07 15:06:58,293 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 775 transitions. [2019-10-07 15:06:58,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2019-10-07 15:06:58,301 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:06:58,302 INFO L385 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] [2019-10-07 15:06:58,302 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:06:58,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:06:58,303 INFO L82 PathProgramCache]: Analyzing trace with hash 459656183, now seen corresponding path program 1 times [2019-10-07 15:06:58,303 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:06:58,303 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:06:58,304 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:06:58,304 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:06:58,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:06:58,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:06:58,659 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2019-10-07 15:06:58,660 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:06:58,660 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:06:58,660 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-07 15:06:58,661 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-07 15:06:58,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-07 15:06:58,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-07 15:06:58,663 INFO L87 Difference]: Start difference. First operand 634 states and 775 transitions. Second operand 4 states. [2019-10-07 15:06:59,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:06:59,955 INFO L93 Difference]: Finished difference Result 1780 states and 2234 transitions. [2019-10-07 15:06:59,955 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-07 15:06:59,955 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 214 [2019-10-07 15:06:59,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:06:59,960 INFO L225 Difference]: With dead ends: 1780 [2019-10-07 15:06:59,961 INFO L226 Difference]: Without dead ends: 628 [2019-10-07 15:06:59,965 INFO L606 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 [2019-10-07 15:06:59,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 628 states. [2019-10-07 15:07:00,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 628 to 628. [2019-10-07 15:07:00,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 628 states. [2019-10-07 15:07:00,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 628 states and 758 transitions. [2019-10-07 15:07:00,013 INFO L78 Accepts]: Start accepts. Automaton has 628 states and 758 transitions. Word has length 214 [2019-10-07 15:07:00,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:07:00,013 INFO L462 AbstractCegarLoop]: Abstraction has 628 states and 758 transitions. [2019-10-07 15:07:00,013 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-07 15:07:00,014 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 758 transitions. [2019-10-07 15:07:00,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2019-10-07 15:07:00,020 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:07:00,021 INFO L385 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] [2019-10-07 15:07:00,021 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:07:00,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:07:00,022 INFO L82 PathProgramCache]: Analyzing trace with hash -1554749411, now seen corresponding path program 1 times [2019-10-07 15:07:00,022 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:07:00,023 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:07:00,023 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:07:00,023 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:07:00,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:07:00,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:07:00,197 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2019-10-07 15:07:00,198 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:07:00,198 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:07:00,198 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:07:00,199 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:07:00,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:07:00,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:07:00,200 INFO L87 Difference]: Start difference. First operand 628 states and 758 transitions. Second operand 3 states. [2019-10-07 15:07:00,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:07:00,417 INFO L93 Difference]: Finished difference Result 1213 states and 1481 transitions. [2019-10-07 15:07:00,417 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:07:00,418 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 227 [2019-10-07 15:07:00,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:07:00,422 INFO L225 Difference]: With dead ends: 1213 [2019-10-07 15:07:00,423 INFO L226 Difference]: Without dead ends: 627 [2019-10-07 15:07:00,425 INFO L606 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 [2019-10-07 15:07:00,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 627 states. [2019-10-07 15:07:00,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 627 to 627. [2019-10-07 15:07:00,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 627 states. [2019-10-07 15:07:00,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 627 states and 754 transitions. [2019-10-07 15:07:00,464 INFO L78 Accepts]: Start accepts. Automaton has 627 states and 754 transitions. Word has length 227 [2019-10-07 15:07:00,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:07:00,464 INFO L462 AbstractCegarLoop]: Abstraction has 627 states and 754 transitions. [2019-10-07 15:07:00,464 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:07:00,464 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 754 transitions. [2019-10-07 15:07:00,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2019-10-07 15:07:00,468 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:07:00,469 INFO L385 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] [2019-10-07 15:07:00,469 INFO L410 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:07:00,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:07:00,469 INFO L82 PathProgramCache]: Analyzing trace with hash -1578381214, now seen corresponding path program 1 times [2019-10-07 15:07:00,470 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:07:00,470 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:07:00,470 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:07:00,470 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:07:00,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:07:00,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:07:01,931 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2019-10-07 15:07:01,932 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:07:01,933 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:07:01,933 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [40] imperfect sequences [] total 40 [2019-10-07 15:07:01,934 INFO L442 AbstractCegarLoop]: Interpolant automaton has 40 states [2019-10-07 15:07:01,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2019-10-07 15:07:01,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=1455, Unknown=0, NotChecked=0, Total=1560 [2019-10-07 15:07:01,936 INFO L87 Difference]: Start difference. First operand 627 states and 754 transitions. Second operand 40 states. [2019-10-07 15:07:18,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:07:18,029 INFO L93 Difference]: Finished difference Result 1353 states and 1637 transitions. [2019-10-07 15:07:18,029 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2019-10-07 15:07:18,029 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 235 [2019-10-07 15:07:18,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:07:18,040 INFO L225 Difference]: With dead ends: 1353 [2019-10-07 15:07:18,040 INFO L226 Difference]: Without dead ends: 1040 [2019-10-07 15:07:18,043 INFO L606 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 [2019-10-07 15:07:18,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1040 states. [2019-10-07 15:07:18,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1040 to 1025. [2019-10-07 15:07:18,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1025 states. [2019-10-07 15:07:18,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1025 states to 1025 states and 1237 transitions. [2019-10-07 15:07:18,121 INFO L78 Accepts]: Start accepts. Automaton has 1025 states and 1237 transitions. Word has length 235 [2019-10-07 15:07:18,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:07:18,122 INFO L462 AbstractCegarLoop]: Abstraction has 1025 states and 1237 transitions. [2019-10-07 15:07:18,123 INFO L463 AbstractCegarLoop]: Interpolant automaton has 40 states. [2019-10-07 15:07:18,123 INFO L276 IsEmpty]: Start isEmpty. Operand 1025 states and 1237 transitions. [2019-10-07 15:07:18,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2019-10-07 15:07:18,127 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:07:18,128 INFO L385 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] [2019-10-07 15:07:18,128 INFO L410 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:07:18,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:07:18,129 INFO L82 PathProgramCache]: Analyzing trace with hash -405827079, now seen corresponding path program 1 times [2019-10-07 15:07:18,129 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:07:18,129 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:07:18,129 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:07:18,130 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:07:18,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:07:18,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:07:19,447 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2019-10-07 15:07:19,447 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:07:19,447 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:07:19,448 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [42] imperfect sequences [] total 42 [2019-10-07 15:07:19,448 INFO L442 AbstractCegarLoop]: Interpolant automaton has 42 states [2019-10-07 15:07:19,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2019-10-07 15:07:19,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=1611, Unknown=0, NotChecked=0, Total=1722 [2019-10-07 15:07:19,449 INFO L87 Difference]: Start difference. First operand 1025 states and 1237 transitions. Second operand 42 states. [2019-10-07 15:07:37,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:07:37,059 INFO L93 Difference]: Finished difference Result 1754 states and 2122 transitions. [2019-10-07 15:07:37,060 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2019-10-07 15:07:37,060 INFO L78 Accepts]: Start accepts. Automaton has 42 states. Word has length 242 [2019-10-07 15:07:37,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:07:37,068 INFO L225 Difference]: With dead ends: 1754 [2019-10-07 15:07:37,069 INFO L226 Difference]: Without dead ends: 1141 [2019-10-07 15:07:37,072 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 667 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=255, Invalid=4437, Unknown=0, NotChecked=0, Total=4692 [2019-10-07 15:07:37,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1141 states. [2019-10-07 15:07:37,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1141 to 1126. [2019-10-07 15:07:37,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1126 states. [2019-10-07 15:07:37,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1126 states to 1126 states and 1380 transitions. [2019-10-07 15:07:37,141 INFO L78 Accepts]: Start accepts. Automaton has 1126 states and 1380 transitions. Word has length 242 [2019-10-07 15:07:37,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:07:37,142 INFO L462 AbstractCegarLoop]: Abstraction has 1126 states and 1380 transitions. [2019-10-07 15:07:37,142 INFO L463 AbstractCegarLoop]: Interpolant automaton has 42 states. [2019-10-07 15:07:37,142 INFO L276 IsEmpty]: Start isEmpty. Operand 1126 states and 1380 transitions. [2019-10-07 15:07:37,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2019-10-07 15:07:37,147 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:07:37,147 INFO L385 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] [2019-10-07 15:07:37,148 INFO L410 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:07:37,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:07:37,148 INFO L82 PathProgramCache]: Analyzing trace with hash -720075844, now seen corresponding path program 1 times [2019-10-07 15:07:37,148 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:07:37,148 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:07:37,149 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:07:37,149 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:07:37,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:07:37,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:07:37,406 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2019-10-07 15:07:37,407 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:07:37,407 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:07:37,407 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-10-07 15:07:37,408 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-07 15:07:37,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-07 15:07:37,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2019-10-07 15:07:37,409 INFO L87 Difference]: Start difference. First operand 1126 states and 1380 transitions. Second operand 11 states. [2019-10-07 15:07:37,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:07:37,806 INFO L93 Difference]: Finished difference Result 1138 states and 1395 transitions. [2019-10-07 15:07:37,806 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-07 15:07:37,806 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 239 [2019-10-07 15:07:37,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:07:37,814 INFO L225 Difference]: With dead ends: 1138 [2019-10-07 15:07:37,814 INFO L226 Difference]: Without dead ends: 1135 [2019-10-07 15:07:37,815 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=251, Unknown=0, NotChecked=0, Total=306 [2019-10-07 15:07:37,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1135 states. [2019-10-07 15:07:37,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1135 to 1135. [2019-10-07 15:07:37,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1135 states. [2019-10-07 15:07:37,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1135 states to 1135 states and 1389 transitions. [2019-10-07 15:07:37,928 INFO L78 Accepts]: Start accepts. Automaton has 1135 states and 1389 transitions. Word has length 239 [2019-10-07 15:07:37,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:07:37,929 INFO L462 AbstractCegarLoop]: Abstraction has 1135 states and 1389 transitions. [2019-10-07 15:07:37,929 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-07 15:07:37,929 INFO L276 IsEmpty]: Start isEmpty. Operand 1135 states and 1389 transitions. [2019-10-07 15:07:37,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2019-10-07 15:07:37,934 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:07:37,934 INFO L385 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] [2019-10-07 15:07:37,934 INFO L410 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:07:37,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:07:37,935 INFO L82 PathProgramCache]: Analyzing trace with hash -1456726549, now seen corresponding path program 1 times [2019-10-07 15:07:37,935 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:07:37,935 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:07:37,935 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:07:37,936 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:07:37,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:07:38,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:07:38,483 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2019-10-07 15:07:38,483 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:07:38,483 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:07:38,484 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2019-10-07 15:07:38,484 INFO L442 AbstractCegarLoop]: Interpolant automaton has 20 states [2019-10-07 15:07:38,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2019-10-07 15:07:38,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2019-10-07 15:07:38,485 INFO L87 Difference]: Start difference. First operand 1135 states and 1389 transitions. Second operand 20 states. [2019-10-07 15:07:45,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:07:45,101 INFO L93 Difference]: Finished difference Result 2410 states and 2929 transitions. [2019-10-07 15:07:45,107 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2019-10-07 15:07:45,108 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 241 [2019-10-07 15:07:45,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:07:45,120 INFO L225 Difference]: With dead ends: 2410 [2019-10-07 15:07:45,120 INFO L226 Difference]: Without dead ends: 2093 [2019-10-07 15:07:45,123 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 219 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=179, Invalid=1227, Unknown=0, NotChecked=0, Total=1406 [2019-10-07 15:07:45,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2093 states. [2019-10-07 15:07:45,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2093 to 2042. [2019-10-07 15:07:45,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2042 states. [2019-10-07 15:07:45,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2042 states to 2042 states and 2494 transitions. [2019-10-07 15:07:45,260 INFO L78 Accepts]: Start accepts. Automaton has 2042 states and 2494 transitions. Word has length 241 [2019-10-07 15:07:45,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:07:45,261 INFO L462 AbstractCegarLoop]: Abstraction has 2042 states and 2494 transitions. [2019-10-07 15:07:45,261 INFO L463 AbstractCegarLoop]: Interpolant automaton has 20 states. [2019-10-07 15:07:45,261 INFO L276 IsEmpty]: Start isEmpty. Operand 2042 states and 2494 transitions. [2019-10-07 15:07:45,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2019-10-07 15:07:45,268 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:07:45,268 INFO L385 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, 1, 1, 1, 1, 1, 1] [2019-10-07 15:07:45,269 INFO L410 AbstractCegarLoop]: === Iteration 15 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:07:45,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:07:45,269 INFO L82 PathProgramCache]: Analyzing trace with hash 2135429698, now seen corresponding path program 1 times [2019-10-07 15:07:45,269 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:07:45,270 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:07:45,270 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:07:45,270 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:07:45,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:07:45,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:07:45,520 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2019-10-07 15:07:45,520 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:07:45,520 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 15:07:45,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:07:46,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:07:46,382 INFO L256 TraceCheckSpWp]: Trace formula consists of 3644 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-07 15:07:46,415 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 15:07:46,530 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2019-10-07 15:07:46,531 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 15:07:46,901 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2019-10-07 15:07:46,902 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 15:07:46,938 INFO L162 IcfgInterpreter]: Started Sifa with 219 locations of interest [2019-10-07 15:07:46,938 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 15:07:46,946 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 15:07:46,954 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 15:07:46,955 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 15:08:55,348 WARN L191 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 696 [2019-10-07 15:09:00,165 WARN L191 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 329 DAG size of output: 267 [2019-10-07 15:09:00,526 WARN L191 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 742 [2019-10-07 15:09:00,994 WARN L191 SmtUtils]: Spent 463.00 ms on a formula simplification that was a NOOP. DAG size: 742 [2019-10-07 15:09:01,377 WARN L191 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 742 [2019-10-07 15:09:01,574 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 447 [2019-10-07 15:09:02,237 WARN L191 SmtUtils]: Spent 661.00 ms on a formula simplification that was a NOOP. DAG size: 1038 [2019-10-07 15:09:03,067 WARN L191 SmtUtils]: Spent 812.00 ms on a formula simplification that was a NOOP. DAG size: 1038 [2019-10-07 15:09:03,764 WARN L191 SmtUtils]: Spent 693.00 ms on a formula simplification that was a NOOP. DAG size: 1038 [2019-10-07 15:09:03,919 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 447 [2019-10-07 15:09:04,546 WARN L191 SmtUtils]: Spent 625.00 ms on a formula simplification that was a NOOP. DAG size: 1038 [2019-10-07 15:09:05,779 WARN L191 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 1040 DAG size of output: 1038 [2019-10-07 15:09:06,434 WARN L191 SmtUtils]: Spent 651.00 ms on a formula simplification that was a NOOP. DAG size: 1038 [2019-10-07 15:09:06,581 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 447 [2019-10-07 15:09:07,246 WARN L191 SmtUtils]: Spent 663.00 ms on a formula simplification that was a NOOP. DAG size: 1038 [2019-10-07 15:09:07,877 WARN L191 SmtUtils]: Spent 628.00 ms on a formula simplification that was a NOOP. DAG size: 1038 [2019-10-07 15:09:08,528 WARN L191 SmtUtils]: Spent 647.00 ms on a formula simplification that was a NOOP. DAG size: 1038 [2019-10-07 15:09:08,648 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 447 [2019-10-07 15:09:09,261 WARN L191 SmtUtils]: Spent 612.00 ms on a formula simplification that was a NOOP. DAG size: 1038 [2019-10-07 15:09:09,298 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 562 for LOIs [2019-10-07 15:09:09,650 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 661 [2019-10-07 15:09:09,809 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 661 [2019-10-07 15:09:09,936 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 447 [2019-10-07 15:09:10,406 WARN L191 SmtUtils]: Spent 467.00 ms on a formula simplification that was a NOOP. DAG size: 957 [2019-10-07 15:09:10,408 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1108 for LOIs [2019-10-07 15:09:11,012 WARN L191 SmtUtils]: Spent 602.00 ms on a formula simplification that was a NOOP. DAG size: 1108 [2019-10-07 15:09:11,657 WARN L191 SmtUtils]: Spent 641.00 ms on a formula simplification that was a NOOP. DAG size: 1108 [2019-10-07 15:09:11,946 WARN L191 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 681 [2019-10-07 15:09:13,121 WARN L191 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 1350 [2019-10-07 15:09:13,735 WARN L191 SmtUtils]: Spent 602.00 ms on a formula simplification that was a NOOP. DAG size: 1108 [2019-10-07 15:09:14,376 WARN L191 SmtUtils]: Spent 637.00 ms on a formula simplification that was a NOOP. DAG size: 1108 [2019-10-07 15:09:14,661 WARN L191 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 681 [2019-10-07 15:09:15,837 WARN L191 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 1350 [2019-10-07 15:09:16,486 WARN L191 SmtUtils]: Spent 612.00 ms on a formula simplification that was a NOOP. DAG size: 1110 [2019-10-07 15:09:17,096 WARN L191 SmtUtils]: Spent 606.00 ms on a formula simplification that was a NOOP. DAG size: 1110 [2019-10-07 15:09:17,451 WARN L191 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 681 [2019-10-07 15:09:18,559 WARN L191 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 1350 [2019-10-07 15:09:19,543 WARN L191 SmtUtils]: Spent 948.00 ms on a formula simplification. DAG size of input: 1352 DAG size of output: 1110 [2019-10-07 15:09:20,145 WARN L191 SmtUtils]: Spent 599.00 ms on a formula simplification that was a NOOP. DAG size: 1110 [2019-10-07 15:09:20,662 WARN L191 SmtUtils]: Spent 496.00 ms on a formula simplification that was a NOOP. DAG size: 681 [2019-10-07 15:09:22,246 WARN L191 SmtUtils]: Spent 1.58 s on a formula simplification that was a NOOP. DAG size: 1350 [2019-10-07 15:09:22,871 WARN L191 SmtUtils]: Spent 608.00 ms on a formula simplification that was a NOOP. DAG size: 1110 [2019-10-07 15:09:23,502 WARN L191 SmtUtils]: Spent 628.00 ms on a formula simplification that was a NOOP. DAG size: 1110 [2019-10-07 15:09:23,787 WARN L191 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 681 [2019-10-07 15:09:24,906 WARN L191 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 1350 [2019-10-07 15:09:25,521 WARN L191 SmtUtils]: Spent 611.00 ms on a formula simplification that was a NOOP. DAG size: 1110 [2019-10-07 15:09:26,127 WARN L191 SmtUtils]: Spent 604.00 ms on a formula simplification that was a NOOP. DAG size: 1110 [2019-10-07 15:09:26,472 WARN L191 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 681 [2019-10-07 15:09:27,611 WARN L191 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 1350 [2019-10-07 15:09:28,214 WARN L191 SmtUtils]: Spent 601.00 ms on a formula simplification that was a NOOP. DAG size: 1110 [2019-10-07 15:09:28,825 WARN L191 SmtUtils]: Spent 607.00 ms on a formula simplification that was a NOOP. DAG size: 1110 [2019-10-07 15:09:29,108 WARN L191 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 681 [2019-10-07 15:09:30,232 WARN L191 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 1350 [2019-10-07 15:09:30,848 WARN L191 SmtUtils]: Spent 613.00 ms on a formula simplification that was a NOOP. DAG size: 1110 [2019-10-07 15:09:31,474 WARN L191 SmtUtils]: Spent 622.00 ms on a formula simplification that was a NOOP. DAG size: 1110 [2019-10-07 15:09:31,759 WARN L191 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 681 [2019-10-07 15:09:32,878 WARN L191 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 1350 [2019-10-07 15:09:33,497 WARN L191 SmtUtils]: Spent 616.00 ms on a formula simplification that was a NOOP. DAG size: 1110 [2019-10-07 15:09:34,106 WARN L191 SmtUtils]: Spent 605.00 ms on a formula simplification that was a NOOP. DAG size: 1110 [2019-10-07 15:09:34,389 WARN L191 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 681 [2019-10-07 15:09:35,520 WARN L191 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 1350 [2019-10-07 15:09:36,136 WARN L191 SmtUtils]: Spent 612.00 ms on a formula simplification that was a NOOP. DAG size: 1110 [2019-10-07 15:09:36,749 WARN L191 SmtUtils]: Spent 610.00 ms on a formula simplification that was a NOOP. DAG size: 1110 [2019-10-07 15:09:37,032 WARN L191 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 681 [2019-10-07 15:09:38,153 WARN L191 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 1350 [2019-10-07 15:09:38,767 WARN L191 SmtUtils]: Spent 610.00 ms on a formula simplification that was a NOOP. DAG size: 1110 [2019-10-07 15:09:39,376 WARN L191 SmtUtils]: Spent 606.00 ms on a formula simplification that was a NOOP. DAG size: 1110 [2019-10-07 15:09:39,656 WARN L191 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 681 [2019-10-07 15:09:40,782 WARN L191 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 1350 [2019-10-07 15:09:41,402 WARN L191 SmtUtils]: Spent 617.00 ms on a formula simplification that was a NOOP. DAG size: 1110 [2019-10-07 15:09:42,012 WARN L191 SmtUtils]: Spent 607.00 ms on a formula simplification that was a NOOP. DAG size: 1110 [2019-10-07 15:09:42,298 WARN L191 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 681 [2019-10-07 15:09:43,417 WARN L191 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 1350 [2019-10-07 15:09:44,015 WARN L191 SmtUtils]: Spent 595.00 ms on a formula simplification that was a NOOP. DAG size: 1110 [2019-10-07 15:09:44,638 WARN L191 SmtUtils]: Spent 620.00 ms on a formula simplification that was a NOOP. DAG size: 1110 [2019-10-07 15:09:44,916 WARN L191 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 681 [2019-10-07 15:09:46,044 WARN L191 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 1350 [2019-10-07 15:09:46,396 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:09:46,397 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: CallReturnSummary for callee select_one at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.generateProof(TraceAbstractionRefinementEngine.java:177) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.executeStrategy(TraceAbstractionRefinementEngine.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.RefinementEngineFactory.runRefinementEngine(RefinementEngineFactory.java:133) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: CallReturnSummary for callee select_one at de.uni_freiburg.informatik.ultimate.lib.sifa.PriorityWorklist.add(PriorityWorklist.java:97) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.lambda$2(DagInterpreter.java:135) at java.lang.Iterable.forEach(Iterable.java:75) at java.util.Collections$UnmodifiableCollection.forEach(Collections.java:1080) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:135) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:139) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:287) ... 21 more [2019-10-07 15:09:46,405 INFO L168 Benchmark]: Toolchain (without parser) took 181476.26 ms. Allocated memory was 144.7 MB in the beginning and 1.9 GB in the end (delta: 1.8 GB). Free memory was 100.1 MB in the beginning and 481.5 MB in the end (delta: -381.4 MB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. [2019-10-07 15:09:46,406 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 144.7 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-07 15:09:46,406 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1415.56 ms. Allocated memory was 144.7 MB in the beginning and 202.4 MB in the end (delta: 57.7 MB). Free memory was 99.9 MB in the beginning and 106.0 MB in the end (delta: -6.1 MB). Peak memory consumption was 59.6 MB. Max. memory is 7.1 GB. [2019-10-07 15:09:46,407 INFO L168 Benchmark]: Boogie Preprocessor took 206.02 ms. Allocated memory is still 202.4 MB. Free memory was 106.0 MB in the beginning and 96.0 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2019-10-07 15:09:46,414 INFO L168 Benchmark]: RCFGBuilder took 5366.56 ms. Allocated memory was 202.4 MB in the beginning and 303.6 MB in the end (delta: 101.2 MB). Free memory was 96.0 MB in the beginning and 217.2 MB in the end (delta: -121.2 MB). Peak memory consumption was 126.0 MB. Max. memory is 7.1 GB. [2019-10-07 15:09:46,415 INFO L168 Benchmark]: TraceAbstraction took 174482.80 ms. Allocated memory was 303.6 MB in the beginning and 1.9 GB in the end (delta: 1.6 GB). Free memory was 217.2 MB in the beginning and 481.5 MB in the end (delta: -264.3 MB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. [2019-10-07 15:09:46,421 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 144.7 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1415.56 ms. Allocated memory was 144.7 MB in the beginning and 202.4 MB in the end (delta: 57.7 MB). Free memory was 99.9 MB in the beginning and 106.0 MB in the end (delta: -6.1 MB). Peak memory consumption was 59.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 206.02 ms. Allocated memory is still 202.4 MB. Free memory was 106.0 MB in the beginning and 96.0 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 5366.56 ms. Allocated memory was 202.4 MB in the beginning and 303.6 MB in the end (delta: 101.2 MB). Free memory was 96.0 MB in the beginning and 217.2 MB in the end (delta: -121.2 MB). Peak memory consumption was 126.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 174482.80 ms. Allocated memory was 303.6 MB in the beginning and 1.9 GB in the end (delta: 1.6 GB). Free memory was 217.2 MB in the beginning and 481.5 MB in the end (delta: -264.3 MB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: CallReturnSummary for callee select_one de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: CallReturnSummary for callee select_one: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:295) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...