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_spec11_productSimulator.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 14:44:09,831 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 14:44:09,834 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 14:44:09,851 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 14:44:09,851 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 14:44:09,852 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 14:44:09,853 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 14:44:09,855 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 14:44:09,857 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 14:44:09,858 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 14:44:09,859 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 14:44:09,863 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 14:44:09,864 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 14:44:09,865 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 14:44:09,868 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 14:44:09,870 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 14:44:09,870 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 14:44:09,872 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 14:44:09,873 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 14:44:09,875 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 14:44:09,877 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 14:44:09,878 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 14:44:09,879 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 14:44:09,880 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 14:44:09,882 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 14:44:09,882 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 14:44:09,883 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 14:44:09,883 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 14:44:09,884 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 14:44:09,885 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 14:44:09,885 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 14:44:09,886 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 14:44:09,886 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 14:44:09,887 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 14:44:09,888 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 14:44:09,888 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 14:44:09,889 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 14:44:09,889 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 14:44:09,889 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 14:44:09,890 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 14:44:09,891 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 14:44:09,892 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 14:44:09,914 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 14:44:09,914 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 14:44:09,915 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 14:44:09,915 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 14:44:09,916 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 14:44:09,916 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 14:44:09,916 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 14:44:09,916 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 14:44:09,916 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 14:44:09,917 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 14:44:09,917 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 14:44:09,917 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 14:44:09,917 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 14:44:09,917 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 14:44:09,918 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 14:44:09,918 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 14:44:09,918 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 14:44:09,918 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 14:44:09,918 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 14:44:09,919 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 14:44:09,919 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 14:44:09,919 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 14:44:09,919 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 14:44:09,919 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 14:44:09,920 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 14:44:09,920 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 14:44:09,920 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 14:44:09,920 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 14:44:09,920 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 14:44:10,214 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 14:44:10,227 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 14:44:10,231 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 14:44:10,232 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 14:44:10,233 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 14:44:10,234 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec11_productSimulator.cil.c [2019-10-07 14:44:10,317 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc4f2f9bf/35f2094585d4432b965780446d4a1118/FLAGbcdead3f3 [2019-10-07 14:44:11,034 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 14:44:11,035 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec11_productSimulator.cil.c [2019-10-07 14:44:11,071 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc4f2f9bf/35f2094585d4432b965780446d4a1118/FLAGbcdead3f3 [2019-10-07 14:44:11,225 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc4f2f9bf/35f2094585d4432b965780446d4a1118 [2019-10-07 14:44:11,235 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 14:44:11,237 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 14:44:11,238 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 14:44:11,238 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 14:44:11,241 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 14:44:11,242 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:44:11" (1/1) ... [2019-10-07 14:44:11,245 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2add6abe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:44:11, skipping insertion in model container [2019-10-07 14:44:11,245 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:44:11" (1/1) ... [2019-10-07 14:44:11,252 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 14:44:11,336 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 14:44:12,112 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:44:12,157 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 14:44:12,374 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:44:12,550 INFO L192 MainTranslator]: Completed translation [2019-10-07 14:44:12,551 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:44:12 WrapperNode [2019-10-07 14:44:12,551 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 14:44:12,552 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 14:44:12,552 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 14:44:12,553 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 14:44:12,569 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:44:12" (1/1) ... [2019-10-07 14:44:12,569 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:44:12" (1/1) ... [2019-10-07 14:44:12,611 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:44:12" (1/1) ... [2019-10-07 14:44:12,611 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:44:12" (1/1) ... [2019-10-07 14:44:12,679 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:44:12" (1/1) ... [2019-10-07 14:44:12,708 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:44:12" (1/1) ... [2019-10-07 14:44:12,723 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:44:12" (1/1) ... [2019-10-07 14:44:12,744 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 14:44:12,744 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 14:44:12,745 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 14:44:12,745 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 14:44:12,746 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:44:12" (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 14:44:12,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 14:44:12,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 14:44:12,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 14:44:12,845 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 14:44:12,845 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 14:44:12,847 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 14:44:12,847 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 14:44:12,848 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-07 14:44:12,848 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Encrypt [2019-10-07 14:44:12,848 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__Encrypt [2019-10-07 14:44:12,848 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__AddressBook [2019-10-07 14:44:12,849 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__AddressBook [2019-10-07 14:44:12,850 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Sign [2019-10-07 14:44:12,850 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__Sign [2019-10-07 14:44:12,850 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-07 14:44:12,869 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-07 14:44:12,872 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__AutoResponder [2019-10-07 14:44:12,872 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__AutoResponder [2019-10-07 14:44:12,872 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Forward [2019-10-07 14:44:12,873 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Forward [2019-10-07 14:44:12,873 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Verify [2019-10-07 14:44:12,873 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Verify [2019-10-07 14:44:12,874 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Decrypt [2019-10-07 14:44:12,874 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Decrypt [2019-10-07 14:44:12,874 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-07 14:44:12,874 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-07 14:44:12,875 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-07 14:44:12,875 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-07 14:44:12,875 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-07 14:44:12,875 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-07 14:44:12,875 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-07 14:44:12,876 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-07 14:44:12,876 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-07 14:44:12,877 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-07 14:44:12,877 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-07 14:44:12,877 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-07 14:44:12,877 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-07 14:44:12,877 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-07 14:44:12,878 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__before__Keys [2019-10-07 14:44:12,878 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__role__Keys [2019-10-07 14:44:12,878 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-07 14:44:12,878 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__before__Keys [2019-10-07 14:44:12,878 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__role__Keys [2019-10-07 14:44:12,879 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-07 14:44:12,879 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__before__Keys [2019-10-07 14:44:12,879 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__role__Keys [2019-10-07 14:44:12,879 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-07 14:44:12,879 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-07 14:44:12,880 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-07 14:44:12,880 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 14:44:12,880 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 14:44:12,880 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-07 14:44:12,881 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-07 14:44:12,881 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-07 14:44:12,881 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-07 14:44:12,881 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-07 14:44:12,881 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-07 14:44:12,882 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-07 14:44:12,882 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-07 14:44:12,883 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-07 14:44:12,883 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-07 14:44:12,883 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-07 14:44:12,883 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-07 14:44:12,883 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 14:44:12,883 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 14:44:12,884 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 14:44:12,884 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 14:44:12,884 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 14:44:12,884 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 14:44:12,884 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Encrypt [2019-10-07 14:44:12,884 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Encrypt [2019-10-07 14:44:12,884 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Sign [2019-10-07 14:44:12,885 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Sign [2019-10-07 14:44:12,886 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Verify [2019-10-07 14:44:12,886 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Verify [2019-10-07 14:44:12,886 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-07 14:44:12,887 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__before__Encrypt [2019-10-07 14:44:12,887 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__role__Encrypt [2019-10-07 14:44:12,888 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-07 14:44:12,888 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-07 14:44:12,889 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-07 14:44:12,889 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-07 14:44:12,890 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-07 14:44:12,890 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-07 14:44:12,890 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-07 14:44:12,890 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-07 14:44:12,890 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-07 14:44:12,892 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-07 14:44:12,892 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-07 14:44:12,892 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-07 14:44:12,892 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-07 14:44:12,893 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-07 14:44:12,893 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-07 14:44:12,893 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-07 14:44:12,893 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-07 14:44:12,893 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-07 14:44:12,894 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-07 14:44:12,894 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-07 14:44:12,894 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-07 14:44:12,894 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-07 14:44:12,894 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-07 14:44:12,894 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-07 14:44:12,894 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-07 14:44:12,895 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 14:44:12,895 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 14:44:12,895 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-07 14:44:12,895 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-07 14:44:12,895 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-07 14:44:12,895 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-07 14:44:12,896 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-07 14:44:12,896 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-07 14:44:12,896 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-07 14:44:12,896 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-07 14:44:12,896 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-07 14:44:12,896 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-07 14:44:12,897 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-07 14:44:12,897 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-07 14:44:12,897 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-07 14:44:12,898 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-07 14:44:12,898 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-07 14:44:12,898 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-07 14:44:12,898 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-07 14:44:12,899 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-07 14:44:12,899 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-07 14:44:12,900 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-07 14:44:12,900 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-07 14:44:12,901 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-07 14:44:12,901 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-07 14:44:12,901 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-07 14:44:12,901 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-07 14:44:12,901 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-07 14:44:12,902 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-07 14:44:12,902 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-07 14:44:12,903 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-07 14:44:12,907 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptAutoResponder_spec__1 [2019-10-07 14:44:12,907 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 14:44:12,908 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 14:44:12,908 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 14:44:12,909 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 14:44:12,909 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 14:44:12,909 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 14:44:12,909 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 14:44:12,910 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-07 14:44:12,911 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-07 14:44:12,920 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-07 14:44:12,920 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-07 14:44:12,920 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-07 14:44:12,920 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-07 14:44:12,920 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-07 14:44:12,921 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-07 14:44:12,921 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-07 14:44:12,921 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-07 14:44:12,921 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-07 14:44:12,922 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-07 14:44:12,922 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-07 14:44:12,922 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-07 14:44:12,923 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-07 14:44:12,923 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-07 14:44:12,923 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-07 14:44:12,923 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-07 14:44:12,923 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-07 14:44:12,924 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-07 14:44:12,924 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-07 14:44:12,924 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-07 14:44:12,924 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-07 14:44:12,924 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-07 14:44:12,925 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-07 14:44:12,925 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-07 14:44:12,925 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-07 14:44:12,925 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-07 14:44:12,925 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-07 14:44:12,926 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-07 14:44:12,926 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-07 14:44:12,926 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-07 14:44:12,926 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-07 14:44:12,926 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-07 14:44:12,927 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-07 14:44:12,927 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-07 14:44:12,927 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-07 14:44:12,927 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-07 14:44:12,927 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-07 14:44:12,927 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-07 14:44:12,928 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-07 14:44:12,928 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-07 14:44:12,928 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-07 14:44:12,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 14:44:12,928 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Encrypt [2019-10-07 14:44:12,929 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__Encrypt [2019-10-07 14:44:12,929 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__AddressBook [2019-10-07 14:44:12,929 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__AddressBook [2019-10-07 14:44:12,929 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Sign [2019-10-07 14:44:12,929 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__Sign [2019-10-07 14:44:12,930 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__AutoResponder [2019-10-07 14:44:12,930 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__AutoResponder [2019-10-07 14:44:12,930 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Forward [2019-10-07 14:44:12,930 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Forward [2019-10-07 14:44:12,930 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Verify [2019-10-07 14:44:12,930 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Verify [2019-10-07 14:44:12,931 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Decrypt [2019-10-07 14:44:12,931 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Decrypt [2019-10-07 14:44:12,931 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptAutoResponder_spec__1 [2019-10-07 14:44:12,931 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-07 14:44:12,931 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-07 14:44:12,931 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-07 14:44:12,931 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-07 14:44:12,932 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-07 14:44:12,932 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-07 14:44:12,932 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-07 14:44:12,932 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-07 14:44:12,932 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-07 14:44:12,932 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-07 14:44:12,932 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-07 14:44:12,932 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-07 14:44:12,933 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-07 14:44:12,933 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-07 14:44:12,933 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-07 14:44:12,933 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-07 14:44:12,933 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 14:44:12,933 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 14:44:12,933 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 14:44:12,934 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-07 14:44:12,934 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-07 14:44:12,934 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-07 14:44:12,934 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-07 14:44:12,934 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-07 14:44:12,934 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-07 14:44:12,934 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-07 14:44:12,934 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-07 14:44:12,935 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-07 14:44:12,935 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-07 14:44:12,935 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-07 14:44:12,935 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-07 14:44:12,935 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__before__Keys [2019-10-07 14:44:12,936 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__role__Keys [2019-10-07 14:44:12,936 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__before__Keys [2019-10-07 14:44:12,936 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__role__Keys [2019-10-07 14:44:12,936 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__before__Keys [2019-10-07 14:44:12,936 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__role__Keys [2019-10-07 14:44:12,937 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 14:44:12,937 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 14:44:12,937 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 14:44:12,937 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 14:44:12,937 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 14:44:12,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 14:44:12,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 14:44:12,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 14:44:12,938 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 14:44:12,938 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 14:44:12,939 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 14:44:12,939 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 14:44:12,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 14:44:12,939 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 14:44:12,939 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 14:44:12,939 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 14:44:12,940 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-07 14:44:12,940 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-07 14:44:12,940 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-07 14:44:12,940 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Encrypt [2019-10-07 14:44:12,940 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Encrypt [2019-10-07 14:44:12,941 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Sign [2019-10-07 14:44:12,942 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Sign [2019-10-07 14:44:12,946 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Verify [2019-10-07 14:44:12,946 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Verify [2019-10-07 14:44:12,946 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__before__Encrypt [2019-10-07 14:44:12,946 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__role__Encrypt [2019-10-07 14:44:12,946 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-07 14:44:12,946 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-07 14:44:12,947 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-07 14:44:12,947 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-07 14:44:12,947 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-07 14:44:12,947 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-07 14:44:12,947 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-07 14:44:12,950 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 14:44:12,951 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-07 14:44:12,951 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-07 14:44:12,951 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-07 14:44:12,951 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-07 14:44:12,951 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-07 14:44:12,951 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-07 14:44:12,952 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-07 14:44:12,952 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-07 14:44:12,952 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-07 14:44:12,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 14:44:12,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 14:44:12,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 14:44:18,009 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 14:44:18,010 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-07 14:44:18,012 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:44:18 BoogieIcfgContainer [2019-10-07 14:44:18,012 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 14:44:18,013 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 14:44:18,013 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 14:44:18,017 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 14:44:18,017 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 02:44:11" (1/3) ... [2019-10-07 14:44:18,018 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@178b0ce9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:44:18, skipping insertion in model container [2019-10-07 14:44:18,018 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:44:12" (2/3) ... [2019-10-07 14:44:18,018 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@178b0ce9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:44:18, skipping insertion in model container [2019-10-07 14:44:18,019 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:44:18" (3/3) ... [2019-10-07 14:44:18,020 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec11_productSimulator.cil.c [2019-10-07 14:44:18,030 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 14:44:18,039 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 14:44:18,051 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 14:44:18,100 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 14:44:18,100 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 14:44:18,100 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 14:44:18,101 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 14:44:18,101 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 14:44:18,101 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 14:44:18,101 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 14:44:18,101 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 14:44:18,136 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states. [2019-10-07 14:44:18,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2019-10-07 14:44:18,162 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:44:18,163 INFO L385 BasicCegarLoop]: trace histogram [8, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:44:18,166 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:44:18,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:44:18,172 INFO L82 PathProgramCache]: Analyzing trace with hash -203471052, now seen corresponding path program 1 times [2019-10-07 14:44:18,182 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:44:18,182 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:44:18,182 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:44:18,182 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:44:18,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:44:18,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:44:18,974 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 14:44:18,975 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:44:18,976 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:44:18,976 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 14:44:18,981 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 14:44:18,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 14:44:18,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-07 14:44:19,000 INFO L87 Difference]: Start difference. First operand 604 states. Second operand 6 states. [2019-10-07 14:44:19,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:44:19,247 INFO L93 Difference]: Finished difference Result 1130 states and 1428 transitions. [2019-10-07 14:44:19,252 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 14:44:19,253 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 183 [2019-10-07 14:44:19,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:44:19,276 INFO L225 Difference]: With dead ends: 1130 [2019-10-07 14:44:19,276 INFO L226 Difference]: Without dead ends: 577 [2019-10-07 14:44:19,293 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 14:44:19,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2019-10-07 14:44:19,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 577. [2019-10-07 14:44:19,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 577 states. [2019-10-07 14:44:19,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 577 states and 710 transitions. [2019-10-07 14:44:19,471 INFO L78 Accepts]: Start accepts. Automaton has 577 states and 710 transitions. Word has length 183 [2019-10-07 14:44:19,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:44:19,476 INFO L462 AbstractCegarLoop]: Abstraction has 577 states and 710 transitions. [2019-10-07 14:44:19,479 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 14:44:19,479 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 710 transitions. [2019-10-07 14:44:19,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2019-10-07 14:44:19,494 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:44:19,495 INFO L385 BasicCegarLoop]: trace histogram [8, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:44:19,495 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:44:19,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:44:19,495 INFO L82 PathProgramCache]: Analyzing trace with hash 629682748, now seen corresponding path program 1 times [2019-10-07 14:44:19,496 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:44:19,496 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:44:19,496 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:44:19,496 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:44:19,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:44:19,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:44:19,750 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 14:44:19,751 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:44:19,751 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:44:19,752 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:44:19,754 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:44:19,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:44:19,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:44:19,754 INFO L87 Difference]: Start difference. First operand 577 states and 710 transitions. Second operand 3 states. [2019-10-07 14:44:19,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:44:19,793 INFO L93 Difference]: Finished difference Result 908 states and 1103 transitions. [2019-10-07 14:44:19,794 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:44:19,794 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 189 [2019-10-07 14:44:19,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:44:19,800 INFO L225 Difference]: With dead ends: 908 [2019-10-07 14:44:19,801 INFO L226 Difference]: Without dead ends: 579 [2019-10-07 14:44:19,803 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 14:44:19,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 579 states. [2019-10-07 14:44:19,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 579 to 579. [2019-10-07 14:44:19,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 579 states. [2019-10-07 14:44:19,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 579 states and 712 transitions. [2019-10-07 14:44:19,868 INFO L78 Accepts]: Start accepts. Automaton has 579 states and 712 transitions. Word has length 189 [2019-10-07 14:44:19,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:44:19,871 INFO L462 AbstractCegarLoop]: Abstraction has 579 states and 712 transitions. [2019-10-07 14:44:19,871 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:44:19,871 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 712 transitions. [2019-10-07 14:44:19,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2019-10-07 14:44:19,876 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:44:19,876 INFO L385 BasicCegarLoop]: trace histogram [8, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:44:19,877 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:44:19,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:44:19,877 INFO L82 PathProgramCache]: Analyzing trace with hash -1430204685, now seen corresponding path program 1 times [2019-10-07 14:44:19,877 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:44:19,877 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:44:19,878 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:44:19,878 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:44:19,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:44:19,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:44:20,195 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2019-10-07 14:44:20,196 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:44:20,196 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:44:20,197 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-07 14:44:20,198 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-07 14:44:20,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-07 14:44:20,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-07 14:44:20,199 INFO L87 Difference]: Start difference. First operand 579 states and 712 transitions. Second operand 4 states. [2019-10-07 14:44:21,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:44:21,867 INFO L93 Difference]: Finished difference Result 1638 states and 2082 transitions. [2019-10-07 14:44:21,868 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-07 14:44:21,868 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 195 [2019-10-07 14:44:21,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:44:21,878 INFO L225 Difference]: With dead ends: 1638 [2019-10-07 14:44:21,879 INFO L226 Difference]: Without dead ends: 1092 [2019-10-07 14:44:21,883 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 14:44:21,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1092 states. [2019-10-07 14:44:21,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1092 to 1089. [2019-10-07 14:44:21,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1089 states. [2019-10-07 14:44:21,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1089 states to 1089 states and 1323 transitions. [2019-10-07 14:44:21,955 INFO L78 Accepts]: Start accepts. Automaton has 1089 states and 1323 transitions. Word has length 195 [2019-10-07 14:44:21,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:44:21,956 INFO L462 AbstractCegarLoop]: Abstraction has 1089 states and 1323 transitions. [2019-10-07 14:44:21,957 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-07 14:44:21,957 INFO L276 IsEmpty]: Start isEmpty. Operand 1089 states and 1323 transitions. [2019-10-07 14:44:21,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2019-10-07 14:44:21,965 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:44:21,965 INFO L385 BasicCegarLoop]: trace histogram [8, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:44:21,966 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:44:21,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:44:21,966 INFO L82 PathProgramCache]: Analyzing trace with hash 481009143, now seen corresponding path program 1 times [2019-10-07 14:44:21,966 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:44:21,967 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:44:21,967 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:44:21,967 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:44:21,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:44:22,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:44:22,360 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2019-10-07 14:44:22,361 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:44:22,361 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:44:22,361 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-10-07 14:44:22,362 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-07 14:44:22,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-07 14:44:22,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2019-10-07 14:44:22,363 INFO L87 Difference]: Start difference. First operand 1089 states and 1323 transitions. Second operand 11 states. [2019-10-07 14:44:22,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:44:22,474 INFO L93 Difference]: Finished difference Result 1092 states and 1325 transitions. [2019-10-07 14:44:22,474 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-07 14:44:22,475 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 189 [2019-10-07 14:44:22,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:44:22,480 INFO L225 Difference]: With dead ends: 1092 [2019-10-07 14:44:22,480 INFO L226 Difference]: Without dead ends: 577 [2019-10-07 14:44:22,483 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2019-10-07 14:44:22,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2019-10-07 14:44:22,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 577. [2019-10-07 14:44:22,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 577 states. [2019-10-07 14:44:22,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 577 states and 701 transitions. [2019-10-07 14:44:22,511 INFO L78 Accepts]: Start accepts. Automaton has 577 states and 701 transitions. Word has length 189 [2019-10-07 14:44:22,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:44:22,512 INFO L462 AbstractCegarLoop]: Abstraction has 577 states and 701 transitions. [2019-10-07 14:44:22,512 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-07 14:44:22,512 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 701 transitions. [2019-10-07 14:44:22,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2019-10-07 14:44:22,516 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:44:22,517 INFO L385 BasicCegarLoop]: trace histogram [8, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:44:22,517 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:44:22,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:44:22,517 INFO L82 PathProgramCache]: Analyzing trace with hash 1467473154, now seen corresponding path program 1 times [2019-10-07 14:44:22,518 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:44:22,518 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:44:22,518 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:44:22,518 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:44:22,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:44:22,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:44:22,670 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2019-10-07 14:44:22,670 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:44:22,671 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:44:22,671 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:44:22,671 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:44:22,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:44:22,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:44:22,672 INFO L87 Difference]: Start difference. First operand 577 states and 701 transitions. Second operand 3 states. [2019-10-07 14:44:22,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:44:22,801 INFO L93 Difference]: Finished difference Result 1117 states and 1371 transitions. [2019-10-07 14:44:22,802 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:44:22,802 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 208 [2019-10-07 14:44:22,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:44:22,806 INFO L225 Difference]: With dead ends: 1117 [2019-10-07 14:44:22,807 INFO L226 Difference]: Without dead ends: 576 [2019-10-07 14:44:22,809 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 14:44:22,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 576 states. [2019-10-07 14:44:22,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 576 to 576. [2019-10-07 14:44:22,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 576 states. [2019-10-07 14:44:22,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 576 states and 697 transitions. [2019-10-07 14:44:22,844 INFO L78 Accepts]: Start accepts. Automaton has 576 states and 697 transitions. Word has length 208 [2019-10-07 14:44:22,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:44:22,845 INFO L462 AbstractCegarLoop]: Abstraction has 576 states and 697 transitions. [2019-10-07 14:44:22,845 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:44:22,845 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 697 transitions. [2019-10-07 14:44:22,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2019-10-07 14:44:22,851 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:44:22,851 INFO L385 BasicCegarLoop]: trace histogram [8, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:44:22,852 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:44:22,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:44:22,853 INFO L82 PathProgramCache]: Analyzing trace with hash 1926582331, now seen corresponding path program 1 times [2019-10-07 14:44:22,853 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:44:22,853 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:44:22,853 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:44:22,854 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:44:22,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:44:22,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:44:23,122 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2019-10-07 14:44:23,122 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:44:23,122 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:44:23,123 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-07 14:44:23,123 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-07 14:44:23,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-07 14:44:23,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-07 14:44:23,124 INFO L87 Difference]: Start difference. First operand 576 states and 697 transitions. Second operand 4 states. [2019-10-07 14:44:23,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:44:23,853 INFO L93 Difference]: Finished difference Result 1091 states and 1319 transitions. [2019-10-07 14:44:23,854 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-07 14:44:23,854 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 216 [2019-10-07 14:44:23,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:44:23,858 INFO L225 Difference]: With dead ends: 1091 [2019-10-07 14:44:23,858 INFO L226 Difference]: Without dead ends: 575 [2019-10-07 14:44:23,860 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 14:44:23,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 575 states. [2019-10-07 14:44:23,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 575 to 575. [2019-10-07 14:44:23,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 575 states. [2019-10-07 14:44:23,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 575 states and 681 transitions. [2019-10-07 14:44:23,892 INFO L78 Accepts]: Start accepts. Automaton has 575 states and 681 transitions. Word has length 216 [2019-10-07 14:44:23,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:44:23,893 INFO L462 AbstractCegarLoop]: Abstraction has 575 states and 681 transitions. [2019-10-07 14:44:23,893 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-07 14:44:23,893 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 681 transitions. [2019-10-07 14:44:23,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2019-10-07 14:44:23,898 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:44:23,898 INFO L385 BasicCegarLoop]: trace histogram [8, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:44:23,898 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:44:23,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:44:23,899 INFO L82 PathProgramCache]: Analyzing trace with hash -1216748536, now seen corresponding path program 1 times [2019-10-07 14:44:23,899 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:44:23,899 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:44:23,899 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:44:23,900 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:44:23,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:44:23,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:44:24,088 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2019-10-07 14:44:24,088 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:44:24,088 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:44:24,089 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:44:24,089 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:44:24,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:44:24,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:44:24,090 INFO L87 Difference]: Start difference. First operand 575 states and 681 transitions. Second operand 3 states. [2019-10-07 14:44:24,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:44:24,155 INFO L93 Difference]: Finished difference Result 1096 states and 1330 transitions. [2019-10-07 14:44:24,155 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:44:24,156 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 238 [2019-10-07 14:44:24,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:44:24,160 INFO L225 Difference]: With dead ends: 1096 [2019-10-07 14:44:24,160 INFO L226 Difference]: Without dead ends: 629 [2019-10-07 14:44:24,162 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 14:44:24,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 629 states. [2019-10-07 14:44:24,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 629 to 628. [2019-10-07 14:44:24,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 628 states. [2019-10-07 14:44:24,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 628 states and 768 transitions. [2019-10-07 14:44:24,196 INFO L78 Accepts]: Start accepts. Automaton has 628 states and 768 transitions. Word has length 238 [2019-10-07 14:44:24,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:44:24,197 INFO L462 AbstractCegarLoop]: Abstraction has 628 states and 768 transitions. [2019-10-07 14:44:24,197 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:44:24,197 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 768 transitions. [2019-10-07 14:44:24,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2019-10-07 14:44:24,202 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:44:24,202 INFO L385 BasicCegarLoop]: trace histogram [8, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:44:24,202 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:44:24,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:44:24,203 INFO L82 PathProgramCache]: Analyzing trace with hash 1768521822, now seen corresponding path program 1 times [2019-10-07 14:44:24,203 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:44:24,203 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:44:24,203 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:44:24,203 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:44:24,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:44:24,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:44:24,434 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2019-10-07 14:44:24,434 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:44:24,435 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:44:24,435 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-07 14:44:24,435 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-07 14:44:24,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-07 14:44:24,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-10-07 14:44:24,436 INFO L87 Difference]: Start difference. First operand 628 states and 768 transitions. Second operand 8 states. [2019-10-07 14:44:25,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:44:25,801 INFO L93 Difference]: Finished difference Result 1147 states and 1435 transitions. [2019-10-07 14:44:25,801 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 14:44:25,801 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 239 [2019-10-07 14:44:25,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:44:25,807 INFO L225 Difference]: With dead ends: 1147 [2019-10-07 14:44:25,808 INFO L226 Difference]: Without dead ends: 627 [2019-10-07 14:44:25,810 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2019-10-07 14:44:25,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 627 states. [2019-10-07 14:44:25,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 627 to 627. [2019-10-07 14:44:25,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 627 states. [2019-10-07 14:44:25,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 627 states and 763 transitions. [2019-10-07 14:44:25,863 INFO L78 Accepts]: Start accepts. Automaton has 627 states and 763 transitions. Word has length 239 [2019-10-07 14:44:25,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:44:25,865 INFO L462 AbstractCegarLoop]: Abstraction has 627 states and 763 transitions. [2019-10-07 14:44:25,865 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-07 14:44:25,865 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 763 transitions. [2019-10-07 14:44:25,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2019-10-07 14:44:25,870 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:44:25,870 INFO L385 BasicCegarLoop]: trace histogram [8, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:44:25,870 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:44:25,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:44:25,871 INFO L82 PathProgramCache]: Analyzing trace with hash 1306618465, now seen corresponding path program 1 times [2019-10-07 14:44:25,871 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:44:25,871 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:44:25,871 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:44:25,871 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:44:25,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:44:25,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:44:27,202 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2019-10-07 14:44:27,202 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:44:27,202 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:44:27,202 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [42] imperfect sequences [] total 42 [2019-10-07 14:44:27,203 INFO L442 AbstractCegarLoop]: Interpolant automaton has 42 states [2019-10-07 14:44:27,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2019-10-07 14:44:27,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=1611, Unknown=0, NotChecked=0, Total=1722 [2019-10-07 14:44:27,205 INFO L87 Difference]: Start difference. First operand 627 states and 763 transitions. Second operand 42 states. [2019-10-07 14:44:44,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:44:44,692 INFO L93 Difference]: Finished difference Result 1360 states and 1665 transitions. [2019-10-07 14:44:44,692 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2019-10-07 14:44:44,692 INFO L78 Accepts]: Start accepts. Automaton has 42 states. Word has length 245 [2019-10-07 14:44:44,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:44:44,699 INFO L225 Difference]: With dead ends: 1360 [2019-10-07 14:44:44,699 INFO L226 Difference]: Without dead ends: 1047 [2019-10-07 14:44:44,702 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 667 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=255, Invalid=4437, Unknown=0, NotChecked=0, Total=4692 [2019-10-07 14:44:44,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1047 states. [2019-10-07 14:44:44,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1047 to 1032. [2019-10-07 14:44:44,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1032 states. [2019-10-07 14:44:44,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 1032 states and 1259 transitions. [2019-10-07 14:44:44,757 INFO L78 Accepts]: Start accepts. Automaton has 1032 states and 1259 transitions. Word has length 245 [2019-10-07 14:44:44,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:44:44,758 INFO L462 AbstractCegarLoop]: Abstraction has 1032 states and 1259 transitions. [2019-10-07 14:44:44,758 INFO L463 AbstractCegarLoop]: Interpolant automaton has 42 states. [2019-10-07 14:44:44,758 INFO L276 IsEmpty]: Start isEmpty. Operand 1032 states and 1259 transitions. [2019-10-07 14:44:44,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2019-10-07 14:44:44,763 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:44:44,763 INFO L385 BasicCegarLoop]: trace histogram [8, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:44:44,764 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:44:44,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:44:44,764 INFO L82 PathProgramCache]: Analyzing trace with hash 608130289, now seen corresponding path program 1 times [2019-10-07 14:44:44,764 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:44:44,765 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:44:44,765 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:44:44,765 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:44:44,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:44:44,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:44:45,153 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2019-10-07 14:44:45,154 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:44:45,154 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:44:45,154 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-10-07 14:44:45,155 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-10-07 14:44:45,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-10-07 14:44:45,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2019-10-07 14:44:45,158 INFO L87 Difference]: Start difference. First operand 1032 states and 1259 transitions. Second operand 13 states. [2019-10-07 14:44:45,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:44:45,315 INFO L93 Difference]: Finished difference Result 1044 states and 1274 transitions. [2019-10-07 14:44:45,315 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-10-07 14:44:45,315 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 251 [2019-10-07 14:44:45,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:44:45,322 INFO L225 Difference]: With dead ends: 1044 [2019-10-07 14:44:45,323 INFO L226 Difference]: Without dead ends: 1041 [2019-10-07 14:44:45,324 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2019-10-07 14:44:45,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1041 states. [2019-10-07 14:44:45,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1041 to 1041. [2019-10-07 14:44:45,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1041 states. [2019-10-07 14:44:45,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1041 states to 1041 states and 1269 transitions. [2019-10-07 14:44:45,398 INFO L78 Accepts]: Start accepts. Automaton has 1041 states and 1269 transitions. Word has length 251 [2019-10-07 14:44:45,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:44:45,399 INFO L462 AbstractCegarLoop]: Abstraction has 1041 states and 1269 transitions. [2019-10-07 14:44:45,400 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-10-07 14:44:45,400 INFO L276 IsEmpty]: Start isEmpty. Operand 1041 states and 1269 transitions. [2019-10-07 14:44:45,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2019-10-07 14:44:45,405 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:44:45,405 INFO L385 BasicCegarLoop]: trace histogram [8, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:44:45,405 INFO L410 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:44:45,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:44:45,406 INFO L82 PathProgramCache]: Analyzing trace with hash -1116505641, now seen corresponding path program 1 times [2019-10-07 14:44:45,406 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:44:45,406 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:44:45,406 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:44:45,407 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:44:45,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:44:45,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:44:46,536 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2019-10-07 14:44:46,537 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:44:46,537 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:44:46,537 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [44] imperfect sequences [] total 44 [2019-10-07 14:44:46,538 INFO L442 AbstractCegarLoop]: Interpolant automaton has 44 states [2019-10-07 14:44:46,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2019-10-07 14:44:46,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=1775, Unknown=0, NotChecked=0, Total=1892 [2019-10-07 14:44:46,539 INFO L87 Difference]: Start difference. First operand 1041 states and 1269 transitions. Second operand 44 states. [2019-10-07 14:45:04,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:45:04,779 INFO L93 Difference]: Finished difference Result 1675 states and 2018 transitions. [2019-10-07 14:45:04,780 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2019-10-07 14:45:04,780 INFO L78 Accepts]: Start accepts. Automaton has 44 states. Word has length 247 [2019-10-07 14:45:04,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:45:04,787 INFO L225 Difference]: With dead ends: 1675 [2019-10-07 14:45:04,788 INFO L226 Difference]: Without dead ends: 1087 [2019-10-07 14:45:04,791 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 716 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=266, Invalid=4846, Unknown=0, NotChecked=0, Total=5112 [2019-10-07 14:45:04,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1087 states. [2019-10-07 14:45:04,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1087 to 1078. [2019-10-07 14:45:04,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1078 states. [2019-10-07 14:45:04,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1078 states to 1078 states and 1316 transitions. [2019-10-07 14:45:04,840 INFO L78 Accepts]: Start accepts. Automaton has 1078 states and 1316 transitions. Word has length 247 [2019-10-07 14:45:04,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:45:04,841 INFO L462 AbstractCegarLoop]: Abstraction has 1078 states and 1316 transitions. [2019-10-07 14:45:04,841 INFO L463 AbstractCegarLoop]: Interpolant automaton has 44 states. [2019-10-07 14:45:04,841 INFO L276 IsEmpty]: Start isEmpty. Operand 1078 states and 1316 transitions. [2019-10-07 14:45:04,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2019-10-07 14:45:04,846 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:45:04,847 INFO L385 BasicCegarLoop]: trace histogram [8, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:45:04,847 INFO L410 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:45:04,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:45:04,848 INFO L82 PathProgramCache]: Analyzing trace with hash 1905840493, now seen corresponding path program 1 times [2019-10-07 14:45:04,848 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:45:04,848 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:45:04,848 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:45:04,848 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:45:04,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:45:04,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:45:05,970 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2019-10-07 14:45:05,970 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:45:05,970 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:45:05,970 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [44] imperfect sequences [] total 44 [2019-10-07 14:45:05,971 INFO L442 AbstractCegarLoop]: Interpolant automaton has 44 states [2019-10-07 14:45:05,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2019-10-07 14:45:05,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=1775, Unknown=0, NotChecked=0, Total=1892 [2019-10-07 14:45:05,972 INFO L87 Difference]: Start difference. First operand 1078 states and 1316 transitions. Second operand 44 states. [2019-10-07 14:45:25,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:45:25,058 INFO L93 Difference]: Finished difference Result 1823 states and 2228 transitions. [2019-10-07 14:45:25,063 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2019-10-07 14:45:25,064 INFO L78 Accepts]: Start accepts. Automaton has 44 states. Word has length 252 [2019-10-07 14:45:25,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:45:25,071 INFO L225 Difference]: With dead ends: 1823 [2019-10-07 14:45:25,071 INFO L226 Difference]: Without dead ends: 1193 [2019-10-07 14:45:25,075 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 716 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=266, Invalid=4846, Unknown=0, NotChecked=0, Total=5112 [2019-10-07 14:45:25,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1193 states. [2019-10-07 14:45:25,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1193 to 1184. [2019-10-07 14:45:25,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1184 states. [2019-10-07 14:45:25,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1184 states to 1184 states and 1463 transitions. [2019-10-07 14:45:25,128 INFO L78 Accepts]: Start accepts. Automaton has 1184 states and 1463 transitions. Word has length 252 [2019-10-07 14:45:25,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:45:25,129 INFO L462 AbstractCegarLoop]: Abstraction has 1184 states and 1463 transitions. [2019-10-07 14:45:25,129 INFO L463 AbstractCegarLoop]: Interpolant automaton has 44 states. [2019-10-07 14:45:25,129 INFO L276 IsEmpty]: Start isEmpty. Operand 1184 states and 1463 transitions. [2019-10-07 14:45:25,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2019-10-07 14:45:25,134 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:45:25,134 INFO L385 BasicCegarLoop]: trace histogram [8, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:45:25,134 INFO L410 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:45:25,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:45:25,135 INFO L82 PathProgramCache]: Analyzing trace with hash -1902393925, now seen corresponding path program 1 times [2019-10-07 14:45:25,135 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:45:25,135 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:45:25,135 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:45:25,135 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:45:25,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:45:25,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:45:26,476 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2019-10-07 14:45:26,476 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:45:26,476 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 14:45:26,477 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 14:45:27,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:45:27,164 INFO L256 TraceCheckSpWp]: Trace formula consists of 3611 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-07 14:45:27,186 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 14:45:27,397 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2019-10-07 14:45:27,397 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 14:45:27,772 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2019-10-07 14:45:27,772 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 14:45:27,808 INFO L162 IcfgInterpreter]: Started Sifa with 224 locations of interest [2019-10-07 14:45:27,808 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 14:45:27,816 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 14:45:27,824 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 14:45:27,824 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 14:46:42,640 WARN L191 SmtUtils]: Spent 449.00 ms on a formula simplification that was a NOOP. DAG size: 707 [2019-10-07 14:46:47,110 WARN L191 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 341 DAG size of output: 277 [2019-10-07 14:46:47,459 WARN L191 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 754 [2019-10-07 14:46:47,864 WARN L191 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 754 [2019-10-07 14:46:48,267 WARN L191 SmtUtils]: Spent 399.00 ms on a formula simplification that was a NOOP. DAG size: 754 [2019-10-07 14:46:48,504 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 450 [2019-10-07 14:46:49,169 WARN L191 SmtUtils]: Spent 663.00 ms on a formula simplification that was a NOOP. DAG size: 1052 [2019-10-07 14:46:49,891 WARN L191 SmtUtils]: Spent 705.00 ms on a formula simplification that was a NOOP. DAG size: 1052 [2019-10-07 14:46:50,541 WARN L191 SmtUtils]: Spent 645.00 ms on a formula simplification that was a NOOP. DAG size: 1052 [2019-10-07 14:46:50,695 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 450 [2019-10-07 14:46:51,347 WARN L191 SmtUtils]: Spent 650.00 ms on a formula simplification that was a NOOP. DAG size: 1052 [2019-10-07 14:46:52,544 WARN L191 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 1054 DAG size of output: 1052 [2019-10-07 14:46:53,204 WARN L191 SmtUtils]: Spent 656.00 ms on a formula simplification that was a NOOP. DAG size: 1052 [2019-10-07 14:46:53,363 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 450 [2019-10-07 14:46:54,023 WARN L191 SmtUtils]: Spent 658.00 ms on a formula simplification that was a NOOP. DAG size: 1052 [2019-10-07 14:46:54,639 WARN L191 SmtUtils]: Spent 613.00 ms on a formula simplification that was a NOOP. DAG size: 1052 [2019-10-07 14:46:55,318 WARN L191 SmtUtils]: Spent 675.00 ms on a formula simplification that was a NOOP. DAG size: 1052 [2019-10-07 14:46:55,438 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 450 [2019-10-07 14:46:56,054 WARN L191 SmtUtils]: Spent 614.00 ms on a formula simplification that was a NOOP. DAG size: 1052 [2019-10-07 14:46:56,081 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 568 for LOIs [2019-10-07 14:46:56,459 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 671 [2019-10-07 14:46:56,604 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 671 [2019-10-07 14:46:56,730 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 450 [2019-10-07 14:46:57,192 WARN L191 SmtUtils]: Spent 460.00 ms on a formula simplification that was a NOOP. DAG size: 969 [2019-10-07 14:46:57,194 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1122 for LOIs [2019-10-07 14:46:57,797 WARN L191 SmtUtils]: Spent 601.00 ms on a formula simplification that was a NOOP. DAG size: 1122 [2019-10-07 14:46:58,446 WARN L191 SmtUtils]: Spent 646.00 ms on a formula simplification that was a NOOP. DAG size: 1122 [2019-10-07 14:46:58,728 WARN L191 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 684 [2019-10-07 14:46:59,861 WARN L191 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 1364 [2019-10-07 14:47:00,473 WARN L191 SmtUtils]: Spent 601.00 ms on a formula simplification that was a NOOP. DAG size: 1122 [2019-10-07 14:47:01,122 WARN L191 SmtUtils]: Spent 645.00 ms on a formula simplification that was a NOOP. DAG size: 1122 [2019-10-07 14:47:01,408 WARN L191 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 684 [2019-10-07 14:47:02,546 WARN L191 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 1364 [2019-10-07 14:47:03,214 WARN L191 SmtUtils]: Spent 633.00 ms on a formula simplification that was a NOOP. DAG size: 1124 [2019-10-07 14:47:03,872 WARN L191 SmtUtils]: Spent 654.00 ms on a formula simplification that was a NOOP. DAG size: 1124 [2019-10-07 14:47:04,156 WARN L191 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 684 [2019-10-07 14:47:05,257 WARN L191 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 1364 [2019-10-07 14:47:06,300 WARN L191 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 1366 DAG size of output: 1124 [2019-10-07 14:47:06,915 WARN L191 SmtUtils]: Spent 612.00 ms on a formula simplification that was a NOOP. DAG size: 1124 [2019-10-07 14:47:07,381 WARN L191 SmtUtils]: Spent 442.00 ms on a formula simplification that was a NOOP. DAG size: 684 [2019-10-07 14:47:08,480 WARN L191 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 1364 [2019-10-07 14:47:09,105 WARN L191 SmtUtils]: Spent 609.00 ms on a formula simplification that was a NOOP. DAG size: 1124 [2019-10-07 14:47:09,709 WARN L191 SmtUtils]: Spent 601.00 ms on a formula simplification that was a NOOP. DAG size: 1124 [2019-10-07 14:47:09,986 WARN L191 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 684 [2019-10-07 14:47:11,116 WARN L191 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 1364 [2019-10-07 14:47:11,725 WARN L191 SmtUtils]: Spent 607.00 ms on a formula simplification that was a NOOP. DAG size: 1124 [2019-10-07 14:47:12,334 WARN L191 SmtUtils]: Spent 605.00 ms on a formula simplification that was a NOOP. DAG size: 1124 [2019-10-07 14:47:12,686 WARN L191 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 684 [2019-10-07 14:47:13,797 WARN L191 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 1364 [2019-10-07 14:47:14,421 WARN L191 SmtUtils]: Spent 621.00 ms on a formula simplification that was a NOOP. DAG size: 1124 [2019-10-07 14:47:15,027 WARN L191 SmtUtils]: Spent 602.00 ms on a formula simplification that was a NOOP. DAG size: 1124 [2019-10-07 14:47:15,306 WARN L191 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 684 [2019-10-07 14:47:16,414 WARN L191 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 1364 [2019-10-07 14:47:17,032 WARN L191 SmtUtils]: Spent 614.00 ms on a formula simplification that was a NOOP. DAG size: 1124 [2019-10-07 14:47:17,640 WARN L191 SmtUtils]: Spent 605.00 ms on a formula simplification that was a NOOP. DAG size: 1124 [2019-10-07 14:47:17,932 WARN L191 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 684 [2019-10-07 14:47:19,041 WARN L191 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 1364 [2019-10-07 14:47:19,649 WARN L191 SmtUtils]: Spent 605.00 ms on a formula simplification that was a NOOP. DAG size: 1124 [2019-10-07 14:47:20,251 WARN L191 SmtUtils]: Spent 598.00 ms on a formula simplification that was a NOOP. DAG size: 1124 [2019-10-07 14:47:20,530 WARN L191 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 684 [2019-10-07 14:47:21,638 WARN L191 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 1364 [2019-10-07 14:47:22,241 WARN L191 SmtUtils]: Spent 600.00 ms on a formula simplification that was a NOOP. DAG size: 1124 [2019-10-07 14:47:22,843 WARN L191 SmtUtils]: Spent 599.00 ms on a formula simplification that was a NOOP. DAG size: 1124 [2019-10-07 14:47:23,125 WARN L191 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 684 [2019-10-07 14:47:24,230 WARN L191 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 1364 [2019-10-07 14:47:24,839 WARN L191 SmtUtils]: Spent 607.00 ms on a formula simplification that was a NOOP. DAG size: 1124 [2019-10-07 14:47:25,446 WARN L191 SmtUtils]: Spent 604.00 ms on a formula simplification that was a NOOP. DAG size: 1124 [2019-10-07 14:47:25,725 WARN L191 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 684 [2019-10-07 14:47:26,833 WARN L191 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 1364 [2019-10-07 14:47:27,443 WARN L191 SmtUtils]: Spent 607.00 ms on a formula simplification that was a NOOP. DAG size: 1124 [2019-10-07 14:47:28,052 WARN L191 SmtUtils]: Spent 605.00 ms on a formula simplification that was a NOOP. DAG size: 1124 [2019-10-07 14:47:28,329 WARN L191 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 684 [2019-10-07 14:47:29,450 WARN L191 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 1364 [2019-10-07 14:47:30,058 WARN L191 SmtUtils]: Spent 605.00 ms on a formula simplification that was a NOOP. DAG size: 1124 [2019-10-07 14:47:30,664 WARN L191 SmtUtils]: Spent 602.00 ms on a formula simplification that was a NOOP. DAG size: 1124 [2019-10-07 14:47:30,938 WARN L191 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 684 [2019-10-07 14:47:32,055 WARN L191 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 1364 [2019-10-07 14:47:32,410 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 14:47:32,411 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 14:47:32,425 INFO L168 Benchmark]: Toolchain (without parser) took 201181.22 ms. Allocated memory was 145.2 MB in the beginning and 1.0 GB in the end (delta: 876.1 MB). Free memory was 98.4 MB in the beginning and 225.7 MB in the end (delta: -127.3 MB). Peak memory consumption was 748.8 MB. Max. memory is 7.1 GB. [2019-10-07 14:47:32,426 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 145.2 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-10-07 14:47:32,427 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1314.14 ms. Allocated memory was 145.2 MB in the beginning and 202.9 MB in the end (delta: 57.7 MB). Free memory was 98.2 MB in the beginning and 104.2 MB in the end (delta: -6.0 MB). Peak memory consumption was 59.7 MB. Max. memory is 7.1 GB. [2019-10-07 14:47:32,434 INFO L168 Benchmark]: Boogie Preprocessor took 191.73 ms. Allocated memory is still 202.9 MB. Free memory was 104.2 MB in the beginning and 94.4 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2019-10-07 14:47:32,435 INFO L168 Benchmark]: RCFGBuilder took 5267.73 ms. Allocated memory was 202.9 MB in the beginning and 298.3 MB in the end (delta: 95.4 MB). Free memory was 94.4 MB in the beginning and 197.9 MB in the end (delta: -103.5 MB). Peak memory consumption was 113.2 MB. Max. memory is 7.1 GB. [2019-10-07 14:47:32,436 INFO L168 Benchmark]: TraceAbstraction took 194402.99 ms. Allocated memory was 298.3 MB in the beginning and 1.0 GB in the end (delta: 723.0 MB). Free memory was 194.6 MB in the beginning and 225.7 MB in the end (delta: -31.0 MB). Peak memory consumption was 692.0 MB. Max. memory is 7.1 GB. [2019-10-07 14:47:32,439 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 145.2 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1314.14 ms. Allocated memory was 145.2 MB in the beginning and 202.9 MB in the end (delta: 57.7 MB). Free memory was 98.2 MB in the beginning and 104.2 MB in the end (delta: -6.0 MB). Peak memory consumption was 59.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 191.73 ms. Allocated memory is still 202.9 MB. Free memory was 104.2 MB in the beginning and 94.4 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 5267.73 ms. Allocated memory was 202.9 MB in the beginning and 298.3 MB in the end (delta: 95.4 MB). Free memory was 94.4 MB in the beginning and 197.9 MB in the end (delta: -103.5 MB). Peak memory consumption was 113.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 194402.99 ms. Allocated memory was 298.3 MB in the beginning and 1.0 GB in the end (delta: 723.0 MB). Free memory was 194.6 MB in the beginning and 225.7 MB in the end (delta: -31.0 MB). Peak memory consumption was 692.0 MB. 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...