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_spec9_productSimulator.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 15:14:00,852 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 15:14:00,855 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 15:14:00,868 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 15:14:00,868 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 15:14:00,869 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 15:14:00,871 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 15:14:00,872 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 15:14:00,874 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 15:14:00,875 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 15:14:00,876 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 15:14:00,877 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 15:14:00,877 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 15:14:00,878 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 15:14:00,879 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 15:14:00,880 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 15:14:00,881 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 15:14:00,882 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 15:14:00,884 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 15:14:00,886 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 15:14:00,887 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 15:14:00,888 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 15:14:00,890 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 15:14:00,890 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 15:14:00,893 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 15:14:00,893 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 15:14:00,893 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 15:14:00,894 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 15:14:00,894 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 15:14:00,895 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 15:14:00,896 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 15:14:00,896 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 15:14:00,897 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 15:14:00,898 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 15:14:00,899 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 15:14:00,899 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 15:14:00,900 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 15:14:00,900 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 15:14:00,900 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 15:14:00,901 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 15:14:00,902 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 15:14:00,903 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 15:14:00,917 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 15:14:00,917 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 15:14:00,918 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 15:14:00,918 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 15:14:00,919 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 15:14:00,919 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 15:14:00,919 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 15:14:00,919 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 15:14:00,919 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 15:14:00,920 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 15:14:00,920 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 15:14:00,920 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 15:14:00,920 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 15:14:00,920 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 15:14:00,921 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 15:14:00,921 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 15:14:00,921 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 15:14:00,921 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 15:14:00,921 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 15:14:00,922 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 15:14:00,922 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 15:14:00,922 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:14:00,922 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 15:14:00,922 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 15:14:00,923 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 15:14:00,923 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 15:14:00,923 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 15:14:00,923 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 15:14:00,923 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 15:14:01,197 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 15:14:01,222 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 15:14:01,225 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 15:14:01,227 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 15:14:01,227 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 15:14:01,228 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec9_productSimulator.cil.c [2019-10-07 15:14:01,310 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28e92470e/8527034e058647489b7998151533e2bf/FLAGe0c64a9cd [2019-10-07 15:14:01,931 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 15:14:01,932 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec9_productSimulator.cil.c [2019-10-07 15:14:01,967 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28e92470e/8527034e058647489b7998151533e2bf/FLAGe0c64a9cd [2019-10-07 15:14:02,193 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28e92470e/8527034e058647489b7998151533e2bf [2019-10-07 15:14:02,205 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 15:14:02,207 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 15:14:02,208 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 15:14:02,208 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 15:14:02,212 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 15:14:02,213 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:14:02" (1/1) ... [2019-10-07 15:14:02,216 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54e12d7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:14:02, skipping insertion in model container [2019-10-07 15:14:02,217 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:14:02" (1/1) ... [2019-10-07 15:14:02,225 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 15:14:02,312 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 15:14:03,054 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:14:03,084 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 15:14:03,316 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:14:03,500 INFO L192 MainTranslator]: Completed translation [2019-10-07 15:14:03,501 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:14:03 WrapperNode [2019-10-07 15:14:03,501 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 15:14:03,502 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 15:14:03,502 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 15:14:03,502 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 15:14:03,518 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:14:03" (1/1) ... [2019-10-07 15:14:03,518 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:14:03" (1/1) ... [2019-10-07 15:14:03,569 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:14:03" (1/1) ... [2019-10-07 15:14:03,579 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:14:03" (1/1) ... [2019-10-07 15:14:03,651 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:14:03" (1/1) ... [2019-10-07 15:14:03,676 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:14:03" (1/1) ... [2019-10-07 15:14:03,704 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:14:03" (1/1) ... [2019-10-07 15:14:03,724 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 15:14:03,725 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 15:14:03,725 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 15:14:03,726 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 15:14:03,727 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:14:03" (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 15:14:03,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 15:14:03,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 15:14:03,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 15:14:03,812 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 15:14:03,812 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-07 15:14:03,813 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-07 15:14:03,814 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-07 15:14:03,814 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-07 15:14:03,814 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-07 15:14:03,815 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-07 15:14:03,815 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-07 15:14:03,816 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-07 15:14:03,816 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-07 15:14:03,816 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-07 15:14:03,817 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-07 15:14:03,817 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-07 15:14:03,819 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-07 15:14:03,820 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-07 15:14:03,821 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-07 15:14:03,821 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-07 15:14:03,821 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-07 15:14:03,821 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-07 15:14:03,822 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-07 15:14:03,822 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-07 15:14:03,822 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-07 15:14:03,822 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-07 15:14:03,822 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Encrypt [2019-10-07 15:14:03,823 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__Encrypt [2019-10-07 15:14:03,823 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__AddressBook [2019-10-07 15:14:03,823 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__AddressBook [2019-10-07 15:14:03,823 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Sign [2019-10-07 15:14:03,824 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__Sign [2019-10-07 15:14:03,824 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-07 15:14:03,824 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-07 15:14:03,824 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__AutoResponder [2019-10-07 15:14:03,825 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__AutoResponder [2019-10-07 15:14:03,825 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Forward [2019-10-07 15:14:03,825 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Forward [2019-10-07 15:14:03,825 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Verify [2019-10-07 15:14:03,826 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Verify [2019-10-07 15:14:03,826 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Decrypt [2019-10-07 15:14:03,826 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Decrypt [2019-10-07 15:14:03,826 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-07 15:14:03,826 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-07 15:14:03,826 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-07 15:14:03,827 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-07 15:14:03,827 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-07 15:14:03,827 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-07 15:14:03,827 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-07 15:14:03,827 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-07 15:14:03,828 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-07 15:14:03,828 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-07 15:14:03,828 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-07 15:14:03,828 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-07 15:14:03,828 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-07 15:14:03,828 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-07 15:14:03,829 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__before__Keys [2019-10-07 15:14:03,829 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__role__Keys [2019-10-07 15:14:03,829 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-07 15:14:03,830 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__before__Keys [2019-10-07 15:14:03,830 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__role__Keys [2019-10-07 15:14:03,830 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-07 15:14:03,830 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__before__Keys [2019-10-07 15:14:03,831 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__role__Keys [2019-10-07 15:14:03,831 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-07 15:14:03,831 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-07 15:14:03,831 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-07 15:14:03,831 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 15:14:03,831 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 15:14:03,832 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-07 15:14:03,832 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-07 15:14:03,832 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-07 15:14:03,832 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-07 15:14:03,833 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-07 15:14:03,834 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-07 15:14:03,834 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-07 15:14:03,835 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-07 15:14:03,835 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-07 15:14:03,835 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-07 15:14:03,835 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-07 15:14:03,836 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-07 15:14:03,836 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 15:14:03,837 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 15:14:03,837 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 15:14:03,837 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 15:14:03,837 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 15:14:03,837 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 15:14:03,838 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 15:14:03,839 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptForward_spec__1 [2019-10-07 15:14:03,839 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptForward_spec__2 [2019-10-07 15:14:03,839 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 15:14:03,839 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 15:14:03,864 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 15:14:03,864 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 15:14:03,864 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Encrypt [2019-10-07 15:14:03,864 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Encrypt [2019-10-07 15:14:03,865 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Sign [2019-10-07 15:14:03,865 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Sign [2019-10-07 15:14:03,865 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Verify [2019-10-07 15:14:03,865 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Verify [2019-10-07 15:14:03,865 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-07 15:14:03,865 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__before__Encrypt [2019-10-07 15:14:03,865 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__role__Encrypt [2019-10-07 15:14:03,866 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-07 15:14:03,866 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-07 15:14:03,866 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-07 15:14:03,867 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-07 15:14:03,867 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-07 15:14:03,867 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-07 15:14:03,867 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-07 15:14:03,867 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-07 15:14:03,867 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-07 15:14:03,868 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-07 15:14:03,868 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-07 15:14:03,868 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-07 15:14:03,869 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-07 15:14:03,869 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-07 15:14:03,869 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-07 15:14:03,869 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-07 15:14:03,869 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-07 15:14:03,870 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-07 15:14:03,870 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-07 15:14:03,870 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-07 15:14:03,870 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-07 15:14:03,872 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-07 15:14:03,872 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-07 15:14:03,872 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-07 15:14:03,873 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-07 15:14:03,873 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-07 15:14:03,873 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-07 15:14:03,873 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-07 15:14:03,874 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-07 15:14:03,874 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-07 15:14:03,875 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-07 15:14:03,878 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-07 15:14:03,879 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-07 15:14:03,879 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 15:14:03,879 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 15:14:03,880 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-07 15:14:03,880 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-07 15:14:03,880 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-07 15:14:03,880 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-07 15:14:03,881 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-07 15:14:03,881 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-07 15:14:03,882 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-07 15:14:03,882 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-07 15:14:03,882 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-07 15:14:03,883 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-07 15:14:03,883 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-07 15:14:03,883 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 15:14:03,883 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-07 15:14:03,883 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-07 15:14:03,883 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-07 15:14:03,883 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-07 15:14:03,883 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-07 15:14:03,884 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-07 15:14:03,884 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-07 15:14:03,884 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-07 15:14:03,884 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-07 15:14:03,891 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-07 15:14:03,892 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-07 15:14:03,892 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-07 15:14:03,892 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-07 15:14:03,892 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-07 15:14:03,892 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-07 15:14:03,892 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-07 15:14:03,892 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-07 15:14:03,893 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-07 15:14:03,893 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-07 15:14:03,893 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-07 15:14:03,893 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-07 15:14:03,893 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 15:14:03,894 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-07 15:14:03,894 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-07 15:14:03,894 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-07 15:14:03,894 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-07 15:14:03,894 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-07 15:14:03,894 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-07 15:14:03,894 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-07 15:14:03,895 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-07 15:14:03,895 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-07 15:14:03,895 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-07 15:14:03,895 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-07 15:14:03,895 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-07 15:14:03,895 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-07 15:14:03,895 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-07 15:14:03,895 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-07 15:14:03,896 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-07 15:14:03,896 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-07 15:14:03,896 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-07 15:14:03,896 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-07 15:14:03,896 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-07 15:14:03,896 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-07 15:14:03,896 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-07 15:14:03,897 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-07 15:14:03,897 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-07 15:14:03,897 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-07 15:14:03,897 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-07 15:14:03,897 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-07 15:14:03,897 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-07 15:14:03,897 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-07 15:14:03,897 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-07 15:14:03,898 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptForward_spec__2 [2019-10-07 15:14:03,898 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 15:14:03,898 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Encrypt [2019-10-07 15:14:03,898 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__Encrypt [2019-10-07 15:14:03,899 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__AddressBook [2019-10-07 15:14:03,899 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__AddressBook [2019-10-07 15:14:03,899 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Sign [2019-10-07 15:14:03,899 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__Sign [2019-10-07 15:14:03,899 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__AutoResponder [2019-10-07 15:14:03,899 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__AutoResponder [2019-10-07 15:14:03,899 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Forward [2019-10-07 15:14:03,899 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Forward [2019-10-07 15:14:03,900 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Verify [2019-10-07 15:14:03,900 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Verify [2019-10-07 15:14:03,900 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Decrypt [2019-10-07 15:14:03,900 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Decrypt [2019-10-07 15:14:03,900 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptForward_spec__1 [2019-10-07 15:14:03,900 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-07 15:14:03,900 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-07 15:14:03,901 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-07 15:14:03,901 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-07 15:14:03,901 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-07 15:14:03,901 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-07 15:14:03,901 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-07 15:14:03,901 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-07 15:14:03,901 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-07 15:14:03,902 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-07 15:14:03,902 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-07 15:14:03,902 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 15:14:03,902 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 15:14:03,902 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 15:14:03,902 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-07 15:14:03,903 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-07 15:14:03,903 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-07 15:14:03,903 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-07 15:14:03,903 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 15:14:03,903 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 15:14:03,903 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-07 15:14:03,903 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-07 15:14:03,904 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__before__Keys [2019-10-07 15:14:03,904 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__role__Keys [2019-10-07 15:14:03,904 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__before__Keys [2019-10-07 15:14:03,904 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__role__Keys [2019-10-07 15:14:03,904 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__before__Keys [2019-10-07 15:14:03,904 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__role__Keys [2019-10-07 15:14:03,904 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 15:14:03,905 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 15:14:03,905 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 15:14:03,905 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 15:14:03,905 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 15:14:03,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 15:14:03,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 15:14:03,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 15:14:03,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 15:14:03,906 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 15:14:03,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 15:14:03,906 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 15:14:03,906 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 15:14:03,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 15:14:03,911 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 15:14:03,911 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 15:14:03,912 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 15:14:03,912 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 15:14:03,912 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-07 15:14:03,912 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Encrypt [2019-10-07 15:14:03,912 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Encrypt [2019-10-07 15:14:03,912 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Sign [2019-10-07 15:14:03,912 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Sign [2019-10-07 15:14:03,912 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Verify [2019-10-07 15:14:03,913 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Verify [2019-10-07 15:14:03,916 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__before__Encrypt [2019-10-07 15:14:03,916 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__role__Encrypt [2019-10-07 15:14:03,916 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-07 15:14:03,916 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-07 15:14:03,917 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-07 15:14:03,917 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-07 15:14:03,917 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-07 15:14:03,917 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-07 15:14:03,917 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-07 15:14:03,917 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-07 15:14:03,917 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-07 15:14:03,917 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-07 15:14:03,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 15:14:03,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 15:14:03,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 15:14:09,161 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 15:14:09,161 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-07 15:14:09,163 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:14:09 BoogieIcfgContainer [2019-10-07 15:14:09,163 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 15:14:09,164 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 15:14:09,165 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 15:14:09,168 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 15:14:09,168 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:14:02" (1/3) ... [2019-10-07 15:14:09,169 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@748ac554 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:14:09, skipping insertion in model container [2019-10-07 15:14:09,169 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:14:03" (2/3) ... [2019-10-07 15:14:09,170 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@748ac554 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:14:09, skipping insertion in model container [2019-10-07 15:14:09,170 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:14:09" (3/3) ... [2019-10-07 15:14:09,172 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec9_productSimulator.cil.c [2019-10-07 15:14:09,182 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 15:14:09,195 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 15:14:09,206 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 15:14:09,259 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 15:14:09,259 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 15:14:09,259 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 15:14:09,259 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 15:14:09,259 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 15:14:09,260 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 15:14:09,260 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 15:14:09,260 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 15:14:09,310 INFO L276 IsEmpty]: Start isEmpty. Operand 610 states. [2019-10-07 15:14:09,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2019-10-07 15:14:09,339 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:14:09,340 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] [2019-10-07 15:14:09,342 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:14:09,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:14:09,349 INFO L82 PathProgramCache]: Analyzing trace with hash -51310916, now seen corresponding path program 1 times [2019-10-07 15:14:09,359 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:14:09,359 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:14:09,359 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:14:09,359 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:14:09,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:14:09,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:14:10,003 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 15:14:10,004 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:14:10,004 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:14:10,005 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 15:14:10,010 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 15:14:10,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 15:14:10,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-07 15:14:10,028 INFO L87 Difference]: Start difference. First operand 610 states. Second operand 6 states. [2019-10-07 15:14:10,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:14:10,286 INFO L93 Difference]: Finished difference Result 1142 states and 1432 transitions. [2019-10-07 15:14:10,287 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 15:14:10,288 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 140 [2019-10-07 15:14:10,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:14:10,329 INFO L225 Difference]: With dead ends: 1142 [2019-10-07 15:14:10,329 INFO L226 Difference]: Without dead ends: 583 [2019-10-07 15:14:10,337 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 15:14:10,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 583 states. [2019-10-07 15:14:10,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 583 to 583. [2019-10-07 15:14:10,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 583 states. [2019-10-07 15:14:10,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 583 states and 718 transitions. [2019-10-07 15:14:10,440 INFO L78 Accepts]: Start accepts. Automaton has 583 states and 718 transitions. Word has length 140 [2019-10-07 15:14:10,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:14:10,443 INFO L462 AbstractCegarLoop]: Abstraction has 583 states and 718 transitions. [2019-10-07 15:14:10,443 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 15:14:10,443 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 718 transitions. [2019-10-07 15:14:10,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-10-07 15:14:10,449 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:14:10,449 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] [2019-10-07 15:14:10,450 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:14:10,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:14:10,450 INFO L82 PathProgramCache]: Analyzing trace with hash -910751636, now seen corresponding path program 1 times [2019-10-07 15:14:10,451 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:14:10,451 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:14:10,451 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:14:10,451 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:14:10,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:14:10,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:14:10,743 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 15:14:10,744 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:14:10,744 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:14:10,744 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-07 15:14:10,749 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-07 15:14:10,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-07 15:14:10,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-07 15:14:10,750 INFO L87 Difference]: Start difference. First operand 583 states and 718 transitions. Second operand 4 states. [2019-10-07 15:14:11,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:14:11,696 INFO L93 Difference]: Finished difference Result 1132 states and 1424 transitions. [2019-10-07 15:14:11,697 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-07 15:14:11,697 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 146 [2019-10-07 15:14:11,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:14:11,702 INFO L225 Difference]: With dead ends: 1132 [2019-10-07 15:14:11,702 INFO L226 Difference]: Without dead ends: 581 [2019-10-07 15:14:11,706 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 15:14:11,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 581 states. [2019-10-07 15:14:11,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 581 to 581. [2019-10-07 15:14:11,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 581 states. [2019-10-07 15:14:11,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 581 states and 707 transitions. [2019-10-07 15:14:11,761 INFO L78 Accepts]: Start accepts. Automaton has 581 states and 707 transitions. Word has length 146 [2019-10-07 15:14:11,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:14:11,764 INFO L462 AbstractCegarLoop]: Abstraction has 581 states and 707 transitions. [2019-10-07 15:14:11,765 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-07 15:14:11,765 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states and 707 transitions. [2019-10-07 15:14:11,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2019-10-07 15:14:11,772 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:14:11,773 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 15:14:11,773 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:14:11,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:14:11,773 INFO L82 PathProgramCache]: Analyzing trace with hash -1396711102, now seen corresponding path program 1 times [2019-10-07 15:14:11,774 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:14:11,774 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:14:11,774 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:14:11,775 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:14:11,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:14:11,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:14:12,026 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 15:14:12,027 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:14:12,028 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:14:12,028 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:14:12,030 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:14:12,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:14:12,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:14:12,031 INFO L87 Difference]: Start difference. First operand 581 states and 707 transitions. Second operand 3 states. [2019-10-07 15:14:12,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:14:12,280 INFO L93 Difference]: Finished difference Result 1125 states and 1383 transitions. [2019-10-07 15:14:12,280 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:14:12,281 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 159 [2019-10-07 15:14:12,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:14:12,292 INFO L225 Difference]: With dead ends: 1125 [2019-10-07 15:14:12,292 INFO L226 Difference]: Without dead ends: 580 [2019-10-07 15:14:12,295 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 15:14:12,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 580 states. [2019-10-07 15:14:12,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 580 to 580. [2019-10-07 15:14:12,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 580 states. [2019-10-07 15:14:12,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 580 states and 703 transitions. [2019-10-07 15:14:12,374 INFO L78 Accepts]: Start accepts. Automaton has 580 states and 703 transitions. Word has length 159 [2019-10-07 15:14:12,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:14:12,375 INFO L462 AbstractCegarLoop]: Abstraction has 580 states and 703 transitions. [2019-10-07 15:14:12,375 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:14:12,375 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 703 transitions. [2019-10-07 15:14:12,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2019-10-07 15:14:12,381 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:14:12,381 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] [2019-10-07 15:14:12,381 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:14:12,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:14:12,382 INFO L82 PathProgramCache]: Analyzing trace with hash 523219015, now seen corresponding path program 1 times [2019-10-07 15:14:12,382 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:14:12,382 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:14:12,383 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:14:12,383 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:14:12,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:14:12,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:14:12,649 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 15:14:12,649 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:14:12,649 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:14:12,650 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-07 15:14:12,651 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-07 15:14:12,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-07 15:14:12,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-07 15:14:12,652 INFO L87 Difference]: Start difference. First operand 580 states and 703 transitions. Second operand 4 states. [2019-10-07 15:14:13,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:14:13,389 INFO L93 Difference]: Finished difference Result 1097 states and 1330 transitions. [2019-10-07 15:14:13,389 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-07 15:14:13,389 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2019-10-07 15:14:13,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:14:13,393 INFO L225 Difference]: With dead ends: 1097 [2019-10-07 15:14:13,394 INFO L226 Difference]: Without dead ends: 577 [2019-10-07 15:14:13,396 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 15:14:13,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2019-10-07 15:14:13,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 577. [2019-10-07 15:14:13,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 577 states. [2019-10-07 15:14:13,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 577 states and 686 transitions. [2019-10-07 15:14:13,433 INFO L78 Accepts]: Start accepts. Automaton has 577 states and 686 transitions. Word has length 160 [2019-10-07 15:14:13,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:14:13,434 INFO L462 AbstractCegarLoop]: Abstraction has 577 states and 686 transitions. [2019-10-07 15:14:13,434 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-07 15:14:13,434 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 686 transitions. [2019-10-07 15:14:13,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2019-10-07 15:14:13,439 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:14:13,439 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] [2019-10-07 15:14:13,439 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:14:13,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:14:13,440 INFO L82 PathProgramCache]: Analyzing trace with hash 175115770, now seen corresponding path program 1 times [2019-10-07 15:14:13,440 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:14:13,440 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:14:13,440 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:14:13,440 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:14:13,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:14:13,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:14:13,629 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 15:14:13,629 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:14:13,630 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:14:13,630 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:14:13,631 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:14:13,631 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:14:13,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:14:13,631 INFO L87 Difference]: Start difference. First operand 577 states and 686 transitions. Second operand 3 states. [2019-10-07 15:14:13,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:14:13,678 INFO L93 Difference]: Finished difference Result 909 states and 1074 transitions. [2019-10-07 15:14:13,678 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:14:13,678 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 181 [2019-10-07 15:14:13,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:14:13,686 INFO L225 Difference]: With dead ends: 909 [2019-10-07 15:14:13,686 INFO L226 Difference]: Without dead ends: 579 [2019-10-07 15:14:13,688 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 15:14:13,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 579 states. [2019-10-07 15:14:13,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 579 to 579. [2019-10-07 15:14:13,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 579 states. [2019-10-07 15:14:13,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 579 states and 688 transitions. [2019-10-07 15:14:13,786 INFO L78 Accepts]: Start accepts. Automaton has 579 states and 688 transitions. Word has length 181 [2019-10-07 15:14:13,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:14:13,787 INFO L462 AbstractCegarLoop]: Abstraction has 579 states and 688 transitions. [2019-10-07 15:14:13,788 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:14:13,788 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 688 transitions. [2019-10-07 15:14:13,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2019-10-07 15:14:13,793 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:14:13,793 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] [2019-10-07 15:14:13,793 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:14:13,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:14:13,794 INFO L82 PathProgramCache]: Analyzing trace with hash -788599818, now seen corresponding path program 1 times [2019-10-07 15:14:13,795 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:14:13,796 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:14:13,796 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:14:13,796 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:14:13,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:14:13,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:14:14,013 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 15:14:14,015 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:14:14,016 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:14:14,016 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:14:14,016 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:14:14,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:14:14,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:14:14,017 INFO L87 Difference]: Start difference. First operand 579 states and 688 transitions. Second operand 3 states. [2019-10-07 15:14:14,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:14:14,064 INFO L93 Difference]: Finished difference Result 1106 states and 1345 transitions. [2019-10-07 15:14:14,065 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:14:14,065 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 188 [2019-10-07 15:14:14,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:14:14,070 INFO L225 Difference]: With dead ends: 1106 [2019-10-07 15:14:14,070 INFO L226 Difference]: Without dead ends: 633 [2019-10-07 15:14:14,072 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 15:14:14,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 633 states. [2019-10-07 15:14:14,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 633 to 632. [2019-10-07 15:14:14,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 632 states. [2019-10-07 15:14:14,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 632 states and 775 transitions. [2019-10-07 15:14:14,110 INFO L78 Accepts]: Start accepts. Automaton has 632 states and 775 transitions. Word has length 188 [2019-10-07 15:14:14,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:14:14,111 INFO L462 AbstractCegarLoop]: Abstraction has 632 states and 775 transitions. [2019-10-07 15:14:14,111 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:14:14,111 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states and 775 transitions. [2019-10-07 15:14:14,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2019-10-07 15:14:14,115 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:14:14,115 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] [2019-10-07 15:14:14,115 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:14:14,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:14:14,116 INFO L82 PathProgramCache]: Analyzing trace with hash -1088119219, now seen corresponding path program 1 times [2019-10-07 15:14:14,116 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:14:14,116 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:14:14,116 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:14:14,117 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:14:14,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:14:14,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:14:14,334 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 15:14:14,334 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:14:14,334 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:14:14,335 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:14:14,335 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:14:14,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:14:14,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:14:14,337 INFO L87 Difference]: Start difference. First operand 632 states and 775 transitions. Second operand 3 states. [2019-10-07 15:14:14,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:14:14,395 INFO L93 Difference]: Finished difference Result 1042 states and 1270 transitions. [2019-10-07 15:14:14,396 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:14:14,396 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 189 [2019-10-07 15:14:14,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:14:14,402 INFO L225 Difference]: With dead ends: 1042 [2019-10-07 15:14:14,402 INFO L226 Difference]: Without dead ends: 724 [2019-10-07 15:14:14,404 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 12 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 15:14:14,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 724 states. [2019-10-07 15:14:14,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 724 to 723. [2019-10-07 15:14:14,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 723 states. [2019-10-07 15:14:14,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 723 states to 723 states and 880 transitions. [2019-10-07 15:14:14,460 INFO L78 Accepts]: Start accepts. Automaton has 723 states and 880 transitions. Word has length 189 [2019-10-07 15:14:14,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:14:14,466 INFO L462 AbstractCegarLoop]: Abstraction has 723 states and 880 transitions. [2019-10-07 15:14:14,466 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:14:14,466 INFO L276 IsEmpty]: Start isEmpty. Operand 723 states and 880 transitions. [2019-10-07 15:14:14,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2019-10-07 15:14:14,474 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:14:14,475 INFO L385 BasicCegarLoop]: trace histogram [8, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:14:14,475 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:14:14,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:14:14,475 INFO L82 PathProgramCache]: Analyzing trace with hash 1089171071, now seen corresponding path program 1 times [2019-10-07 15:14:14,476 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:14:14,476 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:14:14,476 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:14:14,476 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:14:14,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:14:14,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:14:15,019 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2019-10-07 15:14:15,020 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:14:15,020 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:14:15,020 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2019-10-07 15:14:15,021 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-10-07 15:14:15,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-10-07 15:14:15,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2019-10-07 15:14:15,023 INFO L87 Difference]: Start difference. First operand 723 states and 880 transitions. Second operand 16 states. [2019-10-07 15:14:21,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:14:21,940 INFO L93 Difference]: Finished difference Result 1722 states and 2087 transitions. [2019-10-07 15:14:21,940 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-10-07 15:14:21,940 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 304 [2019-10-07 15:14:21,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:14:21,950 INFO L225 Difference]: With dead ends: 1722 [2019-10-07 15:14:21,950 INFO L226 Difference]: Without dead ends: 1347 [2019-10-07 15:14:21,953 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=139, Invalid=731, Unknown=0, NotChecked=0, Total=870 [2019-10-07 15:14:21,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1347 states. [2019-10-07 15:14:22,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1347 to 1336. [2019-10-07 15:14:22,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1336 states. [2019-10-07 15:14:22,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1336 states to 1336 states and 1638 transitions. [2019-10-07 15:14:22,039 INFO L78 Accepts]: Start accepts. Automaton has 1336 states and 1638 transitions. Word has length 304 [2019-10-07 15:14:22,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:14:22,040 INFO L462 AbstractCegarLoop]: Abstraction has 1336 states and 1638 transitions. [2019-10-07 15:14:22,040 INFO L463 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-10-07 15:14:22,040 INFO L276 IsEmpty]: Start isEmpty. Operand 1336 states and 1638 transitions. [2019-10-07 15:14:22,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2019-10-07 15:14:22,049 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:14:22,050 INFO L385 BasicCegarLoop]: trace histogram [8, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:14:22,050 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:14:22,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:14:22,050 INFO L82 PathProgramCache]: Analyzing trace with hash 2113196456, now seen corresponding path program 1 times [2019-10-07 15:14:22,051 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:14:22,051 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:14:22,051 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:14:22,051 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:14:22,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:14:22,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:14:22,435 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2019-10-07 15:14:22,436 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:14:22,436 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:14:22,437 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:14:22,439 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:14:22,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:14:22,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:14:22,440 INFO L87 Difference]: Start difference. First operand 1336 states and 1638 transitions. Second operand 3 states. [2019-10-07 15:14:22,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:14:22,592 INFO L93 Difference]: Finished difference Result 3803 states and 4784 transitions. [2019-10-07 15:14:22,593 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:14:22,593 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 315 [2019-10-07 15:14:22,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:14:22,609 INFO L225 Difference]: With dead ends: 3803 [2019-10-07 15:14:22,609 INFO L226 Difference]: Without dead ends: 2508 [2019-10-07 15:14:22,615 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 15:14:22,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2508 states. [2019-10-07 15:14:22,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2508 to 2505. [2019-10-07 15:14:22,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2505 states. [2019-10-07 15:14:22,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2505 states to 2505 states and 3120 transitions. [2019-10-07 15:14:22,768 INFO L78 Accepts]: Start accepts. Automaton has 2505 states and 3120 transitions. Word has length 315 [2019-10-07 15:14:22,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:14:22,769 INFO L462 AbstractCegarLoop]: Abstraction has 2505 states and 3120 transitions. [2019-10-07 15:14:22,769 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:14:22,769 INFO L276 IsEmpty]: Start isEmpty. Operand 2505 states and 3120 transitions. [2019-10-07 15:14:22,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2019-10-07 15:14:22,782 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:14:22,782 INFO L385 BasicCegarLoop]: trace histogram [8, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:14:22,783 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:14:22,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:14:22,783 INFO L82 PathProgramCache]: Analyzing trace with hash 365566248, now seen corresponding path program 1 times [2019-10-07 15:14:22,783 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:14:22,784 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:14:22,784 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:14:22,784 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:14:22,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:14:22,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:14:22,991 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2019-10-07 15:14:22,991 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:14:22,992 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:14:22,992 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:14:23,060 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:14:23,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:14:23,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:14:23,061 INFO L87 Difference]: Start difference. First operand 2505 states and 3120 transitions. Second operand 3 states. [2019-10-07 15:14:23,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:14:23,384 INFO L93 Difference]: Finished difference Result 6057 states and 7742 transitions. [2019-10-07 15:14:23,384 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:14:23,385 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 317 [2019-10-07 15:14:23,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:14:23,409 INFO L225 Difference]: With dead ends: 6057 [2019-10-07 15:14:23,410 INFO L226 Difference]: Without dead ends: 3596 [2019-10-07 15:14:23,420 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 15:14:23,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3596 states. [2019-10-07 15:14:23,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3596 to 3593. [2019-10-07 15:14:23,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3593 states. [2019-10-07 15:14:23,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3593 states to 3593 states and 4477 transitions. [2019-10-07 15:14:23,643 INFO L78 Accepts]: Start accepts. Automaton has 3593 states and 4477 transitions. Word has length 317 [2019-10-07 15:14:23,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:14:23,644 INFO L462 AbstractCegarLoop]: Abstraction has 3593 states and 4477 transitions. [2019-10-07 15:14:23,644 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:14:23,644 INFO L276 IsEmpty]: Start isEmpty. Operand 3593 states and 4477 transitions. [2019-10-07 15:14:23,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2019-10-07 15:14:23,670 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:14:23,671 INFO L385 BasicCegarLoop]: trace histogram [8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:14:23,671 INFO L410 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:14:23,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:14:23,672 INFO L82 PathProgramCache]: Analyzing trace with hash 451580426, now seen corresponding path program 1 times [2019-10-07 15:14:23,672 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:14:23,672 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:14:23,673 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:14:23,673 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:14:23,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:14:23,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:14:24,136 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2019-10-07 15:14:24,136 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:14:24,137 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:14:24,137 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-10-07 15:14:24,138 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-07 15:14:24,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-07 15:14:24,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2019-10-07 15:14:24,139 INFO L87 Difference]: Start difference. First operand 3593 states and 4477 transitions. Second operand 11 states. [2019-10-07 15:14:29,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:14:29,128 INFO L93 Difference]: Finished difference Result 6939 states and 8589 transitions. [2019-10-07 15:14:29,129 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-07 15:14:29,129 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 300 [2019-10-07 15:14:29,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:14:29,167 INFO L225 Difference]: With dead ends: 6939 [2019-10-07 15:14:29,168 INFO L226 Difference]: Without dead ends: 5100 [2019-10-07 15:14:29,176 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=85, Invalid=221, Unknown=0, NotChecked=0, Total=306 [2019-10-07 15:14:29,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5100 states. [2019-10-07 15:14:29,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5100 to 5063. [2019-10-07 15:14:29,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5063 states. [2019-10-07 15:14:29,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5063 states to 5063 states and 6312 transitions. [2019-10-07 15:14:29,569 INFO L78 Accepts]: Start accepts. Automaton has 5063 states and 6312 transitions. Word has length 300 [2019-10-07 15:14:29,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:14:29,572 INFO L462 AbstractCegarLoop]: Abstraction has 5063 states and 6312 transitions. [2019-10-07 15:14:29,572 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-07 15:14:29,572 INFO L276 IsEmpty]: Start isEmpty. Operand 5063 states and 6312 transitions. [2019-10-07 15:14:29,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2019-10-07 15:14:29,587 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:14:29,587 INFO L385 BasicCegarLoop]: trace histogram [8, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:14:29,587 INFO L410 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:14:29,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:14:29,588 INFO L82 PathProgramCache]: Analyzing trace with hash 702539881, now seen corresponding path program 1 times [2019-10-07 15:14:29,588 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:14:29,588 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:14:29,589 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:14:29,589 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:14:29,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:14:29,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:14:29,828 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2019-10-07 15:14:29,829 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:14:29,829 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:14:29,829 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:14:29,830 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:14:29,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:14:29,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:14:29,831 INFO L87 Difference]: Start difference. First operand 5063 states and 6312 transitions. Second operand 3 states. [2019-10-07 15:14:30,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:14:30,116 INFO L93 Difference]: Finished difference Result 10504 states and 13364 transitions. [2019-10-07 15:14:30,116 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:14:30,116 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 325 [2019-10-07 15:14:30,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:14:30,161 INFO L225 Difference]: With dead ends: 10504 [2019-10-07 15:14:30,162 INFO L226 Difference]: Without dead ends: 5675 [2019-10-07 15:14:30,184 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 15:14:30,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5675 states. [2019-10-07 15:14:30,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5675 to 5669. [2019-10-07 15:14:30,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5669 states. [2019-10-07 15:14:30,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5669 states to 5669 states and 7290 transitions. [2019-10-07 15:14:30,566 INFO L78 Accepts]: Start accepts. Automaton has 5669 states and 7290 transitions. Word has length 325 [2019-10-07 15:14:30,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:14:30,567 INFO L462 AbstractCegarLoop]: Abstraction has 5669 states and 7290 transitions. [2019-10-07 15:14:30,567 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:14:30,568 INFO L276 IsEmpty]: Start isEmpty. Operand 5669 states and 7290 transitions. [2019-10-07 15:14:30,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2019-10-07 15:14:30,590 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:14:30,590 INFO L385 BasicCegarLoop]: trace histogram [8, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:14:30,591 INFO L410 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:14:30,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:14:30,591 INFO L82 PathProgramCache]: Analyzing trace with hash 1525336780, now seen corresponding path program 1 times [2019-10-07 15:14:30,592 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:14:30,592 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:14:30,592 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:14:30,593 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:14:30,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:14:30,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:14:30,905 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2019-10-07 15:14:30,905 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:14:30,905 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:14:30,906 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:14:30,906 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:14:30,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:14:30,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:14:30,907 INFO L87 Difference]: Start difference. First operand 5669 states and 7290 transitions. Second operand 3 states. [2019-10-07 15:14:31,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:14:31,161 INFO L93 Difference]: Finished difference Result 12274 states and 16238 transitions. [2019-10-07 15:14:31,161 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:14:31,162 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 326 [2019-10-07 15:14:31,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:14:31,213 INFO L225 Difference]: With dead ends: 12274 [2019-10-07 15:14:31,214 INFO L226 Difference]: Without dead ends: 6839 [2019-10-07 15:14:31,234 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 15:14:31,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6839 states. [2019-10-07 15:14:31,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6839 to 6833. [2019-10-07 15:14:31,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6833 states. [2019-10-07 15:14:31,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6833 states to 6833 states and 9174 transitions. [2019-10-07 15:14:31,591 INFO L78 Accepts]: Start accepts. Automaton has 6833 states and 9174 transitions. Word has length 326 [2019-10-07 15:14:31,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:14:31,591 INFO L462 AbstractCegarLoop]: Abstraction has 6833 states and 9174 transitions. [2019-10-07 15:14:31,591 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:14:31,592 INFO L276 IsEmpty]: Start isEmpty. Operand 6833 states and 9174 transitions. [2019-10-07 15:14:31,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2019-10-07 15:14:31,616 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:14:31,618 INFO L385 BasicCegarLoop]: trace histogram [8, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:14:31,618 INFO L410 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:14:31,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:14:31,619 INFO L82 PathProgramCache]: Analyzing trace with hash -635371857, now seen corresponding path program 1 times [2019-10-07 15:14:31,619 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:14:31,619 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:14:31,619 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:14:31,619 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:14:31,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:14:31,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:14:31,958 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2019-10-07 15:14:31,958 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:14:31,958 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:14:31,958 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:14:31,959 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:14:31,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:14:31,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:14:31,960 INFO L87 Difference]: Start difference. First operand 6833 states and 9174 transitions. Second operand 3 states. [2019-10-07 15:14:32,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:14:32,314 INFO L93 Difference]: Finished difference Result 15670 states and 21746 transitions. [2019-10-07 15:14:32,314 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:14:32,315 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 327 [2019-10-07 15:14:32,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:14:32,386 INFO L225 Difference]: With dead ends: 15670 [2019-10-07 15:14:32,387 INFO L226 Difference]: Without dead ends: 9071 [2019-10-07 15:14:32,424 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 15:14:32,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9071 states. [2019-10-07 15:14:32,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9071 to 9065. [2019-10-07 15:14:32,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9065 states. [2019-10-07 15:14:32,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9065 states to 9065 states and 12774 transitions. [2019-10-07 15:14:32,926 INFO L78 Accepts]: Start accepts. Automaton has 9065 states and 12774 transitions. Word has length 327 [2019-10-07 15:14:32,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:14:32,927 INFO L462 AbstractCegarLoop]: Abstraction has 9065 states and 12774 transitions. [2019-10-07 15:14:32,927 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:14:32,927 INFO L276 IsEmpty]: Start isEmpty. Operand 9065 states and 12774 transitions. [2019-10-07 15:14:32,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2019-10-07 15:14:32,965 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:14:32,967 INFO L385 BasicCegarLoop]: trace histogram [8, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:14:32,967 INFO L410 AbstractCegarLoop]: === Iteration 15 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:14:32,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:14:32,968 INFO L82 PathProgramCache]: Analyzing trace with hash -206002042, now seen corresponding path program 1 times [2019-10-07 15:14:32,968 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:14:32,968 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:14:32,968 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:14:32,968 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:14:32,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:14:33,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:14:33,331 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2019-10-07 15:14:33,331 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:14:33,331 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:14:33,332 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:14:33,332 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:14:33,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:14:33,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:14:33,333 INFO L87 Difference]: Start difference. First operand 9065 states and 12774 transitions. Second operand 3 states. [2019-10-07 15:14:33,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:14:33,710 INFO L93 Difference]: Finished difference Result 22174 states and 32258 transitions. [2019-10-07 15:14:33,711 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:14:33,711 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 328 [2019-10-07 15:14:33,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:14:33,767 INFO L225 Difference]: With dead ends: 22174 [2019-10-07 15:14:33,767 INFO L226 Difference]: Without dead ends: 13343 [2019-10-07 15:14:33,804 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 15:14:33,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13343 states. [2019-10-07 15:14:34,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13343 to 13337. [2019-10-07 15:14:34,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13337 states. [2019-10-07 15:14:34,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13337 states to 13337 states and 19638 transitions. [2019-10-07 15:14:34,573 INFO L78 Accepts]: Start accepts. Automaton has 13337 states and 19638 transitions. Word has length 328 [2019-10-07 15:14:34,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:14:34,574 INFO L462 AbstractCegarLoop]: Abstraction has 13337 states and 19638 transitions. [2019-10-07 15:14:34,574 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:14:34,574 INFO L276 IsEmpty]: Start isEmpty. Operand 13337 states and 19638 transitions. [2019-10-07 15:14:34,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2019-10-07 15:14:34,645 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:14:34,645 INFO L385 BasicCegarLoop]: trace histogram [8, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:14:34,646 INFO L410 AbstractCegarLoop]: === Iteration 16 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:14:34,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:14:34,646 INFO L82 PathProgramCache]: Analyzing trace with hash 38814965, now seen corresponding path program 1 times [2019-10-07 15:14:34,646 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:14:34,647 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:14:34,647 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:14:34,647 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:14:34,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:14:35,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:14:35,603 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2019-10-07 15:14:35,603 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:14:35,605 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:14:35,605 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:14:35,606 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:14:35,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:14:35,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:14:35,607 INFO L87 Difference]: Start difference. First operand 13337 states and 19638 transitions. Second operand 3 states. [2019-10-07 15:14:36,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:14:36,288 INFO L93 Difference]: Finished difference Result 34606 states and 52082 transitions. [2019-10-07 15:14:36,289 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:14:36,289 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 329 [2019-10-07 15:14:36,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:14:36,375 INFO L225 Difference]: With dead ends: 34606 [2019-10-07 15:14:36,375 INFO L226 Difference]: Without dead ends: 21503 [2019-10-07 15:14:36,413 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 15:14:36,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21503 states. [2019-10-07 15:14:37,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21503 to 21497. [2019-10-07 15:14:37,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21497 states. [2019-10-07 15:14:37,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21497 states to 21497 states and 32502 transitions. [2019-10-07 15:14:37,586 INFO L78 Accepts]: Start accepts. Automaton has 21497 states and 32502 transitions. Word has length 329 [2019-10-07 15:14:37,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:14:37,587 INFO L462 AbstractCegarLoop]: Abstraction has 21497 states and 32502 transitions. [2019-10-07 15:14:37,587 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:14:37,587 INFO L276 IsEmpty]: Start isEmpty. Operand 21497 states and 32502 transitions. [2019-10-07 15:14:37,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2019-10-07 15:14:37,679 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:14:37,680 INFO L385 BasicCegarLoop]: trace histogram [8, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:14:37,680 INFO L410 AbstractCegarLoop]: === Iteration 17 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:14:37,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:14:37,681 INFO L82 PathProgramCache]: Analyzing trace with hash 972039744, now seen corresponding path program 1 times [2019-10-07 15:14:37,681 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:14:37,681 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:14:37,681 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:14:37,681 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:14:37,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:14:37,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:14:37,913 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2019-10-07 15:14:37,913 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:14:37,913 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:14:37,913 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:14:37,914 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:14:37,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:14:37,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:14:37,915 INFO L87 Difference]: Start difference. First operand 21497 states and 32502 transitions. Second operand 3 states. [2019-10-07 15:14:39,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:14:39,027 INFO L93 Difference]: Finished difference Result 58318 states and 89714 transitions. [2019-10-07 15:14:39,027 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:14:39,027 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 330 [2019-10-07 15:14:39,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:14:39,175 INFO L225 Difference]: With dead ends: 58318 [2019-10-07 15:14:39,175 INFO L226 Difference]: Without dead ends: 37055 [2019-10-07 15:14:39,232 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 15:14:39,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37055 states. [2019-10-07 15:14:41,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37055 to 37049. [2019-10-07 15:14:41,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37049 states. [2019-10-07 15:14:41,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37049 states to 37049 states and 57078 transitions. [2019-10-07 15:14:41,939 INFO L78 Accepts]: Start accepts. Automaton has 37049 states and 57078 transitions. Word has length 330 [2019-10-07 15:14:41,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:14:41,940 INFO L462 AbstractCegarLoop]: Abstraction has 37049 states and 57078 transitions. [2019-10-07 15:14:41,940 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:14:41,941 INFO L276 IsEmpty]: Start isEmpty. Operand 37049 states and 57078 transitions. [2019-10-07 15:14:42,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2019-10-07 15:14:42,058 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:14:42,059 INFO L385 BasicCegarLoop]: trace histogram [8, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:14:42,059 INFO L410 AbstractCegarLoop]: === Iteration 18 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:14:42,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:14:42,059 INFO L82 PathProgramCache]: Analyzing trace with hash -516023493, now seen corresponding path program 1 times [2019-10-07 15:14:42,060 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:14:42,060 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:14:42,060 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:14:42,060 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:14:42,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:14:42,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:14:42,758 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 2 proven. 18 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2019-10-07 15:14:42,758 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:14:42,758 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 15:14:42,759 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 15:14:43,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:14:43,735 INFO L256 TraceCheckSpWp]: Trace formula consists of 4397 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-07 15:14:43,769 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 15:14:43,998 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2019-10-07 15:14:43,999 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 15:14:44,593 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 19 proven. 2 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2019-10-07 15:14:44,594 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 15:14:44,632 INFO L162 IcfgInterpreter]: Started Sifa with 265 locations of interest [2019-10-07 15:14:44,633 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 15:14:44,641 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 15:14:44,648 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 15:14:44,649 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 15:16:53,200 WARN L191 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 743 [2019-10-07 15:16:58,726 WARN L191 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 368 DAG size of output: 299 [2019-10-07 15:16:59,189 WARN L191 SmtUtils]: Spent 454.00 ms on a formula simplification that was a NOOP. DAG size: 793 [2019-10-07 15:16:59,530 WARN L191 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 793 [2019-10-07 15:16:59,767 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 793 [2019-10-07 15:16:59,936 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 462 [2019-10-07 15:17:00,672 WARN L191 SmtUtils]: Spent 734.00 ms on a formula simplification that was a NOOP. DAG size: 1099 [2019-10-07 15:17:01,406 WARN L191 SmtUtils]: Spent 714.00 ms on a formula simplification that was a NOOP. DAG size: 1099 [2019-10-07 15:17:02,121 WARN L191 SmtUtils]: Spent 711.00 ms on a formula simplification that was a NOOP. DAG size: 1099 [2019-10-07 15:17:02,283 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 462 [2019-10-07 15:17:03,019 WARN L191 SmtUtils]: Spent 734.00 ms on a formula simplification that was a NOOP. DAG size: 1099 [2019-10-07 15:17:04,475 WARN L191 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 1101 DAG size of output: 1099 [2019-10-07 15:17:05,166 WARN L191 SmtUtils]: Spent 687.00 ms on a formula simplification that was a NOOP. DAG size: 1099 [2019-10-07 15:17:05,308 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 462 [2019-10-07 15:17:06,003 WARN L191 SmtUtils]: Spent 693.00 ms on a formula simplification that was a NOOP. DAG size: 1099 [2019-10-07 15:17:06,712 WARN L191 SmtUtils]: Spent 707.00 ms on a formula simplification that was a NOOP. DAG size: 1099 [2019-10-07 15:17:07,437 WARN L191 SmtUtils]: Spent 720.00 ms on a formula simplification that was a NOOP. DAG size: 1099 [2019-10-07 15:17:07,562 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 462 [2019-10-07 15:17:08,237 WARN L191 SmtUtils]: Spent 672.00 ms on a formula simplification that was a NOOP. DAG size: 1099 [2019-10-07 15:17:08,267 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 589 for LOIs [2019-10-07 15:17:08,745 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 704 [2019-10-07 15:17:08,880 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 704 [2019-10-07 15:17:09,010 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 462 [2019-10-07 15:17:09,515 WARN L191 SmtUtils]: Spent 503.00 ms on a formula simplification that was a NOOP. DAG size: 1010 [2019-10-07 15:17:09,516 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1169 for LOIs [2019-10-07 15:17:10,173 WARN L191 SmtUtils]: Spent 655.00 ms on a formula simplification that was a NOOP. DAG size: 1169 [2019-10-07 15:17:10,829 WARN L191 SmtUtils]: Spent 652.00 ms on a formula simplification that was a NOOP. DAG size: 1169 [2019-10-07 15:17:11,129 WARN L191 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 699 [2019-10-07 15:17:12,458 WARN L191 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 1415 [2019-10-07 15:17:13,148 WARN L191 SmtUtils]: Spent 675.00 ms on a formula simplification that was a NOOP. DAG size: 1169 [2019-10-07 15:17:13,824 WARN L191 SmtUtils]: Spent 672.00 ms on a formula simplification that was a NOOP. DAG size: 1169 [2019-10-07 15:17:14,129 WARN L191 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 699 [2019-10-07 15:17:15,356 WARN L191 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 1415 [2019-10-07 15:17:16,110 WARN L191 SmtUtils]: Spent 706.00 ms on a formula simplification that was a NOOP. DAG size: 1171 [2019-10-07 15:17:16,793 WARN L191 SmtUtils]: Spent 679.00 ms on a formula simplification that was a NOOP. DAG size: 1171 [2019-10-07 15:17:17,176 WARN L191 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 699 [2019-10-07 15:17:18,372 WARN L191 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 1415 [2019-10-07 15:17:19,554 WARN L191 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 1417 DAG size of output: 1171 [2019-10-07 15:17:20,218 WARN L191 SmtUtils]: Spent 660.00 ms on a formula simplification that was a NOOP. DAG size: 1171 [2019-10-07 15:17:20,540 WARN L191 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 699 [2019-10-07 15:17:21,747 WARN L191 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 1415 [2019-10-07 15:17:22,464 WARN L191 SmtUtils]: Spent 698.00 ms on a formula simplification that was a NOOP. DAG size: 1171 [2019-10-07 15:17:23,129 WARN L191 SmtUtils]: Spent 662.00 ms on a formula simplification that was a NOOP. DAG size: 1171 [2019-10-07 15:17:23,426 WARN L191 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 699 [2019-10-07 15:17:24,631 WARN L191 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 1415 [2019-10-07 15:17:25,293 WARN L191 SmtUtils]: Spent 658.00 ms on a formula simplification that was a NOOP. DAG size: 1171 [2019-10-07 15:17:25,965 WARN L191 SmtUtils]: Spent 669.00 ms on a formula simplification that was a NOOP. DAG size: 1171 [2019-10-07 15:17:26,265 WARN L191 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 699 [2019-10-07 15:17:27,484 WARN L191 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 1415 [2019-10-07 15:17:28,155 WARN L191 SmtUtils]: Spent 668.00 ms on a formula simplification that was a NOOP. DAG size: 1171 [2019-10-07 15:17:28,823 WARN L191 SmtUtils]: Spent 664.00 ms on a formula simplification that was a NOOP. DAG size: 1171 [2019-10-07 15:17:29,171 WARN L191 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 699 [2019-10-07 15:17:30,368 WARN L191 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 1415 [2019-10-07 15:17:31,045 WARN L191 SmtUtils]: Spent 673.00 ms on a formula simplification that was a NOOP. DAG size: 1171 [2019-10-07 15:17:31,724 WARN L191 SmtUtils]: Spent 675.00 ms on a formula simplification that was a NOOP. DAG size: 1171 [2019-10-07 15:17:32,025 WARN L191 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 699 [2019-10-07 15:17:33,295 WARN L191 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 1415 [2019-10-07 15:17:33,988 WARN L191 SmtUtils]: Spent 689.00 ms on a formula simplification that was a NOOP. DAG size: 1171 [2019-10-07 15:17:34,665 WARN L191 SmtUtils]: Spent 674.00 ms on a formula simplification that was a NOOP. DAG size: 1171 [2019-10-07 15:17:34,968 WARN L191 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 699 [2019-10-07 15:17:36,182 WARN L191 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 1415 [2019-10-07 15:17:36,860 WARN L191 SmtUtils]: Spent 676.00 ms on a formula simplification that was a NOOP. DAG size: 1171 [2019-10-07 15:17:37,530 WARN L191 SmtUtils]: Spent 666.00 ms on a formula simplification that was a NOOP. DAG size: 1171 [2019-10-07 15:17:37,820 WARN L191 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 699 [2019-10-07 15:17:39,017 WARN L191 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 1415 [2019-10-07 15:17:39,680 WARN L191 SmtUtils]: Spent 660.00 ms on a formula simplification that was a NOOP. DAG size: 1171 [2019-10-07 15:17:40,344 WARN L191 SmtUtils]: Spent 661.00 ms on a formula simplification that was a NOOP. DAG size: 1171 [2019-10-07 15:17:40,636 WARN L191 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 699 [2019-10-07 15:17:41,817 WARN L191 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 1415 [2019-10-07 15:17:42,496 WARN L191 SmtUtils]: Spent 676.00 ms on a formula simplification that was a NOOP. DAG size: 1171 [2019-10-07 15:17:43,183 WARN L191 SmtUtils]: Spent 683.00 ms on a formula simplification that was a NOOP. DAG size: 1171 [2019-10-07 15:17:43,482 WARN L191 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 699 [2019-10-07 15:17:44,698 WARN L191 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 1415 [2019-10-07 15:17:45,373 WARN L191 SmtUtils]: Spent 672.00 ms on a formula simplification that was a NOOP. DAG size: 1171 [2019-10-07 15:17:46,047 WARN L191 SmtUtils]: Spent 671.00 ms on a formula simplification that was a NOOP. DAG size: 1171 [2019-10-07 15:17:46,347 WARN L191 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 699 [2019-10-07 15:17:47,556 WARN L191 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 1415 [2019-10-07 15:17:47,925 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:17:47,926 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 15:17:47,933 INFO L168 Benchmark]: Toolchain (without parser) took 225726.28 ms. Allocated memory was 136.3 MB in the beginning and 2.6 GB in the end (delta: 2.5 GB). Free memory was 96.6 MB in the beginning and 1.3 GB in the end (delta: -1.2 GB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. [2019-10-07 15:17:47,934 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 136.3 MB. Free memory was 118.3 MB in the beginning and 118.1 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-07 15:17:47,935 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1293.47 ms. Allocated memory was 136.3 MB in the beginning and 201.3 MB in the end (delta: 65.0 MB). Free memory was 96.4 MB in the beginning and 103.1 MB in the end (delta: -6.7 MB). Peak memory consumption was 63.6 MB. Max. memory is 7.1 GB. [2019-10-07 15:17:47,935 INFO L168 Benchmark]: Boogie Preprocessor took 222.65 ms. Allocated memory is still 201.3 MB. Free memory was 103.1 MB in the beginning and 92.8 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. [2019-10-07 15:17:47,936 INFO L168 Benchmark]: RCFGBuilder took 5438.25 ms. Allocated memory was 201.3 MB in the beginning and 314.6 MB in the end (delta: 113.2 MB). Free memory was 92.8 MB in the beginning and 246.9 MB in the end (delta: -154.1 MB). Peak memory consumption was 136.2 MB. Max. memory is 7.1 GB. [2019-10-07 15:17:47,937 INFO L168 Benchmark]: TraceAbstraction took 218766.88 ms. Allocated memory was 314.6 MB in the beginning and 2.6 GB in the end (delta: 2.3 GB). Free memory was 246.9 MB in the beginning and 1.3 GB in the end (delta: -1.0 GB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. [2019-10-07 15:17:47,942 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 136.3 MB. Free memory was 118.3 MB in the beginning and 118.1 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1293.47 ms. Allocated memory was 136.3 MB in the beginning and 201.3 MB in the end (delta: 65.0 MB). Free memory was 96.4 MB in the beginning and 103.1 MB in the end (delta: -6.7 MB). Peak memory consumption was 63.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 222.65 ms. Allocated memory is still 201.3 MB. Free memory was 103.1 MB in the beginning and 92.8 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 5438.25 ms. Allocated memory was 201.3 MB in the beginning and 314.6 MB in the end (delta: 113.2 MB). Free memory was 92.8 MB in the beginning and 246.9 MB in the end (delta: -154.1 MB). Peak memory consumption was 136.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 218766.88 ms. Allocated memory was 314.6 MB in the beginning and 2.6 GB in the end (delta: 2.3 GB). Free memory was 246.9 MB in the beginning and 1.3 GB in the end (delta: -1.0 GB). Peak memory consumption was 1.3 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...