/usr/bin/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 --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/product-lines/email_spec11_productSimulator.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 00:47:41,721 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 00:47:41,724 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 00:47:41,737 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 00:47:41,738 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 00:47:41,740 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 00:47:41,742 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 00:47:41,751 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 00:47:41,753 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 00:47:41,755 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 00:47:41,756 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 00:47:41,758 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 00:47:41,759 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 00:47:41,760 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 00:47:41,763 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 00:47:41,765 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 00:47:41,766 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 00:47:41,769 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 00:47:41,772 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 00:47:41,777 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 00:47:41,780 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 00:47:41,781 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 00:47:41,782 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 00:47:41,783 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 00:47:41,785 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 00:47:41,785 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 00:47:41,785 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 00:47:41,787 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 00:47:41,787 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 00:47:41,789 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 00:47:41,790 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 00:47:41,791 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 00:47:41,792 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 00:47:41,793 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 00:47:41,794 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 00:47:41,795 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 00:47:41,795 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 00:47:41,796 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 00:47:41,796 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 00:47:41,799 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 00:47:41,800 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 00:47:41,801 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 [2019-11-07 00:47:41,833 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 00:47:41,837 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 00:47:41,838 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 00:47:41,838 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 00:47:41,839 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 00:47:41,839 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 00:47:41,839 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 00:47:41,839 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 00:47:41,839 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 00:47:41,840 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 00:47:41,842 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 00:47:41,842 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 00:47:41,842 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 00:47:41,842 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 00:47:41,843 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 00:47:41,843 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 00:47:41,843 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 00:47:41,843 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 00:47:41,843 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 00:47:41,844 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 00:47:41,844 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 00:47:41,844 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 00:47:41,844 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 00:47:41,845 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 00:47:41,845 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 00:47:41,845 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 00:47:41,845 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 00:47:41,845 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 00:47:41,846 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-11-07 00:47:42,142 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 00:47:42,155 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 00:47:42,159 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 00:47:42,161 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 00:47:42,161 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 00:47:42,162 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec11_productSimulator.cil.c [2019-11-07 00:47:42,240 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d20b615f/f95a9be56a794561bbd5a6c15f8dbc2c/FLAG5bf214c59 [2019-11-07 00:47:42,905 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 00:47:42,908 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec11_productSimulator.cil.c [2019-11-07 00:47:42,945 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d20b615f/f95a9be56a794561bbd5a6c15f8dbc2c/FLAG5bf214c59 [2019-11-07 00:47:43,091 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d20b615f/f95a9be56a794561bbd5a6c15f8dbc2c [2019-11-07 00:47:43,102 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 00:47:43,103 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 00:47:43,104 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 00:47:43,105 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 00:47:43,108 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 00:47:43,109 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:47:43" (1/1) ... [2019-11-07 00:47:43,112 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d88b7c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:47:43, skipping insertion in model container [2019-11-07 00:47:43,112 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:47:43" (1/1) ... [2019-11-07 00:47:43,120 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 00:47:43,213 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 00:47:44,006 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 00:47:44,024 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 00:47:44,116 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 00:47:44,293 INFO L192 MainTranslator]: Completed translation [2019-11-07 00:47:44,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:47:44 WrapperNode [2019-11-07 00:47:44,294 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 00:47:44,295 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 00:47:44,295 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 00:47:44,295 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 00:47:44,314 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:47:44" (1/1) ... [2019-11-07 00:47:44,314 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:47:44" (1/1) ... [2019-11-07 00:47:44,390 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:47:44" (1/1) ... [2019-11-07 00:47:44,391 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:47:44" (1/1) ... [2019-11-07 00:47:44,475 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:47:44" (1/1) ... [2019-11-07 00:47:44,502 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:47:44" (1/1) ... [2019-11-07 00:47:44,514 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:47:44" (1/1) ... [2019-11-07 00:47:44,546 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 00:47:44,549 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 00:47:44,549 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 00:47:44,549 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 00:47:44,550 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:47:44" (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 [2019-11-07 00:47:44,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 00:47:44,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 00:47:44,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-07 00:47:44,613 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-07 00:47:44,614 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-07 00:47:44,617 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-07 00:47:44,617 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-07 00:47:44,618 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-11-07 00:47:44,618 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Encrypt [2019-11-07 00:47:44,619 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__Encrypt [2019-11-07 00:47:44,619 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__AddressBook [2019-11-07 00:47:44,619 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__AddressBook [2019-11-07 00:47:44,620 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Sign [2019-11-07 00:47:44,621 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__Sign [2019-11-07 00:47:44,621 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-11-07 00:47:44,622 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-11-07 00:47:44,624 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__AutoResponder [2019-11-07 00:47:44,624 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__AutoResponder [2019-11-07 00:47:44,643 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Forward [2019-11-07 00:47:44,643 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Forward [2019-11-07 00:47:44,643 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Verify [2019-11-07 00:47:44,644 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Verify [2019-11-07 00:47:44,645 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Decrypt [2019-11-07 00:47:44,645 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Decrypt [2019-11-07 00:47:44,645 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-11-07 00:47:44,647 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-11-07 00:47:44,647 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-11-07 00:47:44,647 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-11-07 00:47:44,647 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-11-07 00:47:44,647 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-11-07 00:47:44,647 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-11-07 00:47:44,648 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-11-07 00:47:44,649 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-11-07 00:47:44,649 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-11-07 00:47:44,649 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-11-07 00:47:44,649 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-11-07 00:47:44,650 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-11-07 00:47:44,650 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-11-07 00:47:44,650 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__before__Keys [2019-11-07 00:47:44,650 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__role__Keys [2019-11-07 00:47:44,650 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-11-07 00:47:44,650 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__before__Keys [2019-11-07 00:47:44,650 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__role__Keys [2019-11-07 00:47:44,651 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-11-07 00:47:44,651 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__before__Keys [2019-11-07 00:47:44,651 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__role__Keys [2019-11-07 00:47:44,651 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-11-07 00:47:44,651 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-11-07 00:47:44,651 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-11-07 00:47:44,651 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-07 00:47:44,652 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 00:47:44,652 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-11-07 00:47:44,652 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-11-07 00:47:44,652 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-11-07 00:47:44,652 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-11-07 00:47:44,652 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-11-07 00:47:44,652 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-11-07 00:47:44,653 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-11-07 00:47:44,653 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-11-07 00:47:44,653 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-11-07 00:47:44,653 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-11-07 00:47:44,653 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-11-07 00:47:44,654 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-11-07 00:47:44,654 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-07 00:47:44,654 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-07 00:47:44,654 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-07 00:47:44,654 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-07 00:47:44,654 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-07 00:47:44,654 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-07 00:47:44,655 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Encrypt [2019-11-07 00:47:44,655 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Encrypt [2019-11-07 00:47:44,655 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Sign [2019-11-07 00:47:44,655 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Sign [2019-11-07 00:47:44,655 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Verify [2019-11-07 00:47:44,655 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Verify [2019-11-07 00:47:44,655 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-11-07 00:47:44,655 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__before__Encrypt [2019-11-07 00:47:44,656 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__role__Encrypt [2019-11-07 00:47:44,656 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-11-07 00:47:44,656 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-11-07 00:47:44,656 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-11-07 00:47:44,656 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-11-07 00:47:44,656 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-11-07 00:47:44,656 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-11-07 00:47:44,657 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-11-07 00:47:44,657 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-11-07 00:47:44,657 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-11-07 00:47:44,657 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-11-07 00:47:44,657 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-11-07 00:47:44,657 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-11-07 00:47:44,658 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-11-07 00:47:44,658 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-11-07 00:47:44,658 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-11-07 00:47:44,658 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-11-07 00:47:44,658 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-11-07 00:47:44,658 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-11-07 00:47:44,658 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-11-07 00:47:44,659 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-11-07 00:47:44,659 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-11-07 00:47:44,659 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-11-07 00:47:44,659 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-11-07 00:47:44,659 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-11-07 00:47:44,659 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-11-07 00:47:44,659 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-07 00:47:44,659 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-07 00:47:44,659 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-11-07 00:47:44,659 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-11-07 00:47:44,660 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-11-07 00:47:44,660 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-11-07 00:47:44,660 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-11-07 00:47:44,660 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-11-07 00:47:44,660 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-11-07 00:47:44,660 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-11-07 00:47:44,660 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-11-07 00:47:44,660 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-11-07 00:47:44,660 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-11-07 00:47:44,660 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-11-07 00:47:44,661 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-11-07 00:47:44,661 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-11-07 00:47:44,661 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-11-07 00:47:44,661 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-11-07 00:47:44,661 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-11-07 00:47:44,661 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-11-07 00:47:44,662 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-11-07 00:47:44,662 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-11-07 00:47:44,662 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-11-07 00:47:44,662 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-11-07 00:47:44,662 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-11-07 00:47:44,662 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-11-07 00:47:44,662 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-11-07 00:47:44,663 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-11-07 00:47:44,663 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-11-07 00:47:44,663 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-11-07 00:47:44,663 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-11-07 00:47:44,663 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptAutoResponder_spec__1 [2019-11-07 00:47:44,664 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 00:47:44,664 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 00:47:44,664 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-07 00:47:44,664 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-07 00:47:44,664 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-07 00:47:44,664 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-07 00:47:44,664 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-07 00:47:44,665 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-07 00:47:44,665 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-11-07 00:47:44,665 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-11-07 00:47:44,665 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-11-07 00:47:44,665 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-11-07 00:47:44,665 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-11-07 00:47:44,666 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-11-07 00:47:44,666 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-11-07 00:47:44,666 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-11-07 00:47:44,666 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-11-07 00:47:44,666 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-11-07 00:47:44,666 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-11-07 00:47:44,666 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-11-07 00:47:44,667 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-11-07 00:47:44,667 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-11-07 00:47:44,667 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-11-07 00:47:44,667 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-11-07 00:47:44,667 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-11-07 00:47:44,667 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-11-07 00:47:44,667 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-11-07 00:47:44,668 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-11-07 00:47:44,668 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-11-07 00:47:44,668 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-11-07 00:47:44,668 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-11-07 00:47:44,668 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-11-07 00:47:44,668 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-11-07 00:47:44,668 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-11-07 00:47:44,669 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-11-07 00:47:44,669 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-11-07 00:47:44,669 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-11-07 00:47:44,669 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-11-07 00:47:44,669 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-11-07 00:47:44,669 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-11-07 00:47:44,669 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-11-07 00:47:44,669 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-11-07 00:47:44,670 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-11-07 00:47:44,670 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-11-07 00:47:44,670 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-11-07 00:47:44,670 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-11-07 00:47:44,670 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-11-07 00:47:44,670 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-11-07 00:47:44,670 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-11-07 00:47:44,671 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-11-07 00:47:44,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 00:47:44,671 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Encrypt [2019-11-07 00:47:44,671 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__Encrypt [2019-11-07 00:47:44,671 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__AddressBook [2019-11-07 00:47:44,671 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__AddressBook [2019-11-07 00:47:44,671 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Sign [2019-11-07 00:47:44,672 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__Sign [2019-11-07 00:47:44,672 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__AutoResponder [2019-11-07 00:47:44,672 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__AutoResponder [2019-11-07 00:47:44,672 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Forward [2019-11-07 00:47:44,672 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Forward [2019-11-07 00:47:44,672 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Verify [2019-11-07 00:47:44,672 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Verify [2019-11-07 00:47:44,672 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Decrypt [2019-11-07 00:47:44,673 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Decrypt [2019-11-07 00:47:44,673 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptAutoResponder_spec__1 [2019-11-07 00:47:44,673 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-11-07 00:47:44,673 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-11-07 00:47:44,673 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-11-07 00:47:44,673 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-11-07 00:47:44,673 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-11-07 00:47:44,674 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-11-07 00:47:44,674 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-11-07 00:47:44,674 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-11-07 00:47:44,674 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-11-07 00:47:44,674 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-11-07 00:47:44,674 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-11-07 00:47:44,674 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-11-07 00:47:44,674 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-11-07 00:47:44,675 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-11-07 00:47:44,675 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-11-07 00:47:44,675 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-11-07 00:47:44,675 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-07 00:47:44,675 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-07 00:47:44,675 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 00:47:44,675 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-11-07 00:47:44,676 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-11-07 00:47:44,676 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-11-07 00:47:44,676 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-11-07 00:47:44,676 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-11-07 00:47:44,676 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-11-07 00:47:44,676 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-11-07 00:47:44,676 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-11-07 00:47:44,676 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-11-07 00:47:44,677 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-11-07 00:47:44,677 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-11-07 00:47:44,677 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-11-07 00:47:44,677 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__before__Keys [2019-11-07 00:47:44,677 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__role__Keys [2019-11-07 00:47:44,677 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__before__Keys [2019-11-07 00:47:44,677 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__role__Keys [2019-11-07 00:47:44,677 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__before__Keys [2019-11-07 00:47:44,678 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__role__Keys [2019-11-07 00:47:44,678 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-07 00:47:44,678 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 00:47:44,678 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 00:47:44,678 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-07 00:47:44,678 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 00:47:44,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 00:47:44,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 00:47:44,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 00:47:44,679 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-07 00:47:44,679 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 00:47:44,679 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-07 00:47:44,679 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-07 00:47:44,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 00:47:44,679 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-07 00:47:44,680 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-07 00:47:44,680 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-07 00:47:44,680 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-11-07 00:47:44,680 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-11-07 00:47:44,680 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-11-07 00:47:44,680 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Encrypt [2019-11-07 00:47:44,680 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Encrypt [2019-11-07 00:47:44,680 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Sign [2019-11-07 00:47:44,681 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Sign [2019-11-07 00:47:44,681 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Verify [2019-11-07 00:47:44,681 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Verify [2019-11-07 00:47:44,681 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__before__Encrypt [2019-11-07 00:47:44,681 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__role__Encrypt [2019-11-07 00:47:44,681 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-11-07 00:47:44,681 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-11-07 00:47:44,682 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-11-07 00:47:44,682 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-11-07 00:47:44,682 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-11-07 00:47:44,682 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-11-07 00:47:44,682 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-11-07 00:47:44,682 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-07 00:47:44,683 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-11-07 00:47:44,683 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-11-07 00:47:44,683 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-11-07 00:47:44,683 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-11-07 00:47:44,683 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-11-07 00:47:44,683 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-11-07 00:47:44,683 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-11-07 00:47:44,683 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-11-07 00:47:44,684 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-11-07 00:47:44,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 00:47:44,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 00:47:44,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 00:47:47,060 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 00:47:47,061 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-07 00:47:47,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:47:47 BoogieIcfgContainer [2019-11-07 00:47:47,063 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 00:47:47,064 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 00:47:47,064 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 00:47:47,068 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 00:47:47,069 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 12:47:43" (1/3) ... [2019-11-07 00:47:47,070 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c1059d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:47:47, skipping insertion in model container [2019-11-07 00:47:47,070 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:47:44" (2/3) ... [2019-11-07 00:47:47,070 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c1059d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:47:47, skipping insertion in model container [2019-11-07 00:47:47,071 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:47:47" (3/3) ... [2019-11-07 00:47:47,074 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec11_productSimulator.cil.c [2019-11-07 00:47:47,086 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 00:47:47,097 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 00:47:47,109 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 00:47:47,150 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 00:47:47,150 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 00:47:47,150 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 00:47:47,151 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 00:47:47,151 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 00:47:47,151 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 00:47:47,151 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 00:47:47,151 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 00:47:47,197 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states. [2019-11-07 00:47:47,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2019-11-07 00:47:47,243 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:47:47,244 INFO L410 BasicCegarLoop]: trace histogram [8, 8, 3, 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] [2019-11-07 00:47:47,248 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:47:47,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:47:47,255 INFO L82 PathProgramCache]: Analyzing trace with hash 557797844, now seen corresponding path program 1 times [2019-11-07 00:47:47,265 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:47:47,265 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526129457] [2019-11-07 00:47:47,266 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:47:47,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:47:48,016 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2019-11-07 00:47:48,016 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526129457] [2019-11-07 00:47:48,017 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:47:48,017 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-07 00:47:48,018 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396837841] [2019-11-07 00:47:48,025 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-07 00:47:48,027 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:47:48,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-07 00:47:48,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-07 00:47:48,045 INFO L87 Difference]: Start difference. First operand 811 states. Second operand 6 states. [2019-11-07 00:47:48,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:47:48,294 INFO L93 Difference]: Finished difference Result 1540 states and 2139 transitions. [2019-11-07 00:47:48,294 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-07 00:47:48,296 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 218 [2019-11-07 00:47:48,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:47:48,319 INFO L225 Difference]: With dead ends: 1540 [2019-11-07 00:47:48,319 INFO L226 Difference]: Without dead ends: 782 [2019-11-07 00:47:48,328 INFO L630 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 [2019-11-07 00:47:48,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 782 states. [2019-11-07 00:47:48,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 782 to 782. [2019-11-07 00:47:48,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 782 states. [2019-11-07 00:47:48,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 782 states to 782 states and 1064 transitions. [2019-11-07 00:47:48,502 INFO L78 Accepts]: Start accepts. Automaton has 782 states and 1064 transitions. Word has length 218 [2019-11-07 00:47:48,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:47:48,519 INFO L462 AbstractCegarLoop]: Abstraction has 782 states and 1064 transitions. [2019-11-07 00:47:48,519 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-07 00:47:48,519 INFO L276 IsEmpty]: Start isEmpty. Operand 782 states and 1064 transitions. [2019-11-07 00:47:48,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2019-11-07 00:47:48,537 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:47:48,538 INFO L410 BasicCegarLoop]: trace histogram [8, 8, 3, 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] [2019-11-07 00:47:48,538 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:47:48,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:47:48,538 INFO L82 PathProgramCache]: Analyzing trace with hash 1306979573, now seen corresponding path program 1 times [2019-11-07 00:47:48,540 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:47:48,540 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35948136] [2019-11-07 00:47:48,540 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:47:48,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:47:48,914 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2019-11-07 00:47:48,915 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35948136] [2019-11-07 00:47:48,915 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:47:48,915 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 00:47:48,916 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759958169] [2019-11-07 00:47:48,920 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 00:47:48,920 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:47:48,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 00:47:48,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 00:47:48,921 INFO L87 Difference]: Start difference. First operand 782 states and 1064 transitions. Second operand 3 states. [2019-11-07 00:47:48,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:47:48,976 INFO L93 Difference]: Finished difference Result 1217 states and 1629 transitions. [2019-11-07 00:47:48,976 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 00:47:48,977 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 224 [2019-11-07 00:47:48,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:47:49,071 INFO L225 Difference]: With dead ends: 1217 [2019-11-07 00:47:49,071 INFO L226 Difference]: Without dead ends: 785 [2019-11-07 00:47:49,073 INFO L630 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 [2019-11-07 00:47:49,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 785 states. [2019-11-07 00:47:49,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 785 to 784. [2019-11-07 00:47:49,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 784 states. [2019-11-07 00:47:49,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 784 states and 1066 transitions. [2019-11-07 00:47:49,150 INFO L78 Accepts]: Start accepts. Automaton has 784 states and 1066 transitions. Word has length 224 [2019-11-07 00:47:49,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:47:49,152 INFO L462 AbstractCegarLoop]: Abstraction has 784 states and 1066 transitions. [2019-11-07 00:47:49,152 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 00:47:49,152 INFO L276 IsEmpty]: Start isEmpty. Operand 784 states and 1066 transitions. [2019-11-07 00:47:49,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2019-11-07 00:47:49,165 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:47:49,166 INFO L410 BasicCegarLoop]: trace histogram [8, 8, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 00:47:49,166 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:47:49,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:47:49,167 INFO L82 PathProgramCache]: Analyzing trace with hash -687172968, now seen corresponding path program 1 times [2019-11-07 00:47:49,167 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:47:49,168 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357484421] [2019-11-07 00:47:49,168 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:47:49,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:47:49,518 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2019-11-07 00:47:49,518 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357484421] [2019-11-07 00:47:49,518 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:47:49,519 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-07 00:47:49,519 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765194260] [2019-11-07 00:47:49,519 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-07 00:47:49,520 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:47:49,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-07 00:47:49,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-07 00:47:49,520 INFO L87 Difference]: Start difference. First operand 784 states and 1066 transitions. Second operand 6 states. [2019-11-07 00:47:50,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:47:50,470 INFO L93 Difference]: Finished difference Result 1880 states and 2570 transitions. [2019-11-07 00:47:50,470 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-07 00:47:50,471 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 231 [2019-11-07 00:47:50,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:47:50,482 INFO L225 Difference]: With dead ends: 1880 [2019-11-07 00:47:50,482 INFO L226 Difference]: Without dead ends: 1461 [2019-11-07 00:47:50,485 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-11-07 00:47:50,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1461 states. [2019-11-07 00:47:50,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1461 to 1452. [2019-11-07 00:47:50,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1452 states. [2019-11-07 00:47:50,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1452 states to 1452 states and 1992 transitions. [2019-11-07 00:47:50,573 INFO L78 Accepts]: Start accepts. Automaton has 1452 states and 1992 transitions. Word has length 231 [2019-11-07 00:47:50,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:47:50,576 INFO L462 AbstractCegarLoop]: Abstraction has 1452 states and 1992 transitions. [2019-11-07 00:47:50,576 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-07 00:47:50,577 INFO L276 IsEmpty]: Start isEmpty. Operand 1452 states and 1992 transitions. [2019-11-07 00:47:50,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2019-11-07 00:47:50,585 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:47:50,585 INFO L410 BasicCegarLoop]: trace histogram [8, 8, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 00:47:50,585 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:47:50,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:47:50,586 INFO L82 PathProgramCache]: Analyzing trace with hash 1966455232, now seen corresponding path program 1 times [2019-11-07 00:47:50,586 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:47:50,587 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089709123] [2019-11-07 00:47:50,587 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:47:50,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:47:50,974 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2019-11-07 00:47:50,975 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089709123] [2019-11-07 00:47:50,975 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:47:50,975 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-07 00:47:50,975 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427521548] [2019-11-07 00:47:50,976 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-07 00:47:50,976 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:47:50,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-07 00:47:50,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-07 00:47:50,977 INFO L87 Difference]: Start difference. First operand 1452 states and 1992 transitions. Second operand 6 states. [2019-11-07 00:47:51,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:47:51,939 INFO L93 Difference]: Finished difference Result 3646 states and 5006 transitions. [2019-11-07 00:47:51,939 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-07 00:47:51,939 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 232 [2019-11-07 00:47:51,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:47:51,967 INFO L225 Difference]: With dead ends: 3646 [2019-11-07 00:47:51,967 INFO L226 Difference]: Without dead ends: 2807 [2019-11-07 00:47:51,974 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-11-07 00:47:51,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2807 states. [2019-11-07 00:47:52,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2807 to 2788. [2019-11-07 00:47:52,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2788 states. [2019-11-07 00:47:52,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2788 states to 2788 states and 3846 transitions. [2019-11-07 00:47:52,126 INFO L78 Accepts]: Start accepts. Automaton has 2788 states and 3846 transitions. Word has length 232 [2019-11-07 00:47:52,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:47:52,127 INFO L462 AbstractCegarLoop]: Abstraction has 2788 states and 3846 transitions. [2019-11-07 00:47:52,127 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-07 00:47:52,127 INFO L276 IsEmpty]: Start isEmpty. Operand 2788 states and 3846 transitions. [2019-11-07 00:47:52,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2019-11-07 00:47:52,138 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:47:52,139 INFO L410 BasicCegarLoop]: trace histogram [8, 8, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 00:47:52,139 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:47:52,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:47:52,139 INFO L82 PathProgramCache]: Analyzing trace with hash -1625151980, now seen corresponding path program 1 times [2019-11-07 00:47:52,140 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:47:52,141 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015391853] [2019-11-07 00:47:52,141 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:47:52,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:47:52,468 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2019-11-07 00:47:52,469 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015391853] [2019-11-07 00:47:52,469 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:47:52,469 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-07 00:47:52,470 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499033844] [2019-11-07 00:47:52,470 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-07 00:47:52,471 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:47:52,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-07 00:47:52,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-07 00:47:52,472 INFO L87 Difference]: Start difference. First operand 2788 states and 3846 transitions. Second operand 6 states. [2019-11-07 00:47:53,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:47:53,478 INFO L93 Difference]: Finished difference Result 7178 states and 9882 transitions. [2019-11-07 00:47:53,479 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-07 00:47:53,479 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 233 [2019-11-07 00:47:53,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:47:53,530 INFO L225 Difference]: With dead ends: 7178 [2019-11-07 00:47:53,531 INFO L226 Difference]: Without dead ends: 5499 [2019-11-07 00:47:53,626 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-11-07 00:47:53,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5499 states. [2019-11-07 00:47:53,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5499 to 5460. [2019-11-07 00:47:53,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5460 states. [2019-11-07 00:47:54,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5460 states to 5460 states and 7558 transitions. [2019-11-07 00:47:54,005 INFO L78 Accepts]: Start accepts. Automaton has 5460 states and 7558 transitions. Word has length 233 [2019-11-07 00:47:54,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:47:54,007 INFO L462 AbstractCegarLoop]: Abstraction has 5460 states and 7558 transitions. [2019-11-07 00:47:54,007 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-07 00:47:54,007 INFO L276 IsEmpty]: Start isEmpty. Operand 5460 states and 7558 transitions. [2019-11-07 00:47:54,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2019-11-07 00:47:54,024 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:47:54,025 INFO L410 BasicCegarLoop]: trace histogram [8, 8, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 00:47:54,025 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:47:54,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:47:54,025 INFO L82 PathProgramCache]: Analyzing trace with hash -1613835853, now seen corresponding path program 1 times [2019-11-07 00:47:54,026 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:47:54,026 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713792931] [2019-11-07 00:47:54,026 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:47:54,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:47:54,271 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2019-11-07 00:47:54,272 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713792931] [2019-11-07 00:47:54,272 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:47:54,273 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-07 00:47:54,273 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310724158] [2019-11-07 00:47:54,273 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-07 00:47:54,274 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:47:54,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-07 00:47:54,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-07 00:47:54,274 INFO L87 Difference]: Start difference. First operand 5460 states and 7558 transitions. Second operand 4 states. [2019-11-07 00:47:55,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:47:55,969 INFO L93 Difference]: Finished difference Result 16028 states and 22808 transitions. [2019-11-07 00:47:55,969 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-07 00:47:55,970 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 233 [2019-11-07 00:47:55,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:47:56,036 INFO L225 Difference]: With dead ends: 16028 [2019-11-07 00:47:56,036 INFO L226 Difference]: Without dead ends: 10605 [2019-11-07 00:47:56,062 INFO L630 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 [2019-11-07 00:47:56,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10605 states. [2019-11-07 00:47:56,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10605 to 10602. [2019-11-07 00:47:56,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10602 states. [2019-11-07 00:47:56,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10602 states to 10602 states and 14619 transitions. [2019-11-07 00:47:56,670 INFO L78 Accepts]: Start accepts. Automaton has 10602 states and 14619 transitions. Word has length 233 [2019-11-07 00:47:56,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:47:56,675 INFO L462 AbstractCegarLoop]: Abstraction has 10602 states and 14619 transitions. [2019-11-07 00:47:56,675 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-07 00:47:56,675 INFO L276 IsEmpty]: Start isEmpty. Operand 10602 states and 14619 transitions. [2019-11-07 00:47:56,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2019-11-07 00:47:56,713 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:47:56,714 INFO L410 BasicCegarLoop]: trace histogram [8, 8, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 00:47:56,714 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:47:56,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:47:56,714 INFO L82 PathProgramCache]: Analyzing trace with hash -1490798491, now seen corresponding path program 1 times [2019-11-07 00:47:56,715 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:47:56,715 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549017150] [2019-11-07 00:47:56,715 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:47:56,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:47:56,992 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2019-11-07 00:47:56,993 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549017150] [2019-11-07 00:47:56,993 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:47:56,993 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-11-07 00:47:56,993 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135029912] [2019-11-07 00:47:56,995 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-07 00:47:56,995 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:47:56,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-07 00:47:56,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2019-11-07 00:47:56,996 INFO L87 Difference]: Start difference. First operand 10602 states and 14619 transitions. Second operand 11 states. [2019-11-07 00:47:57,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:47:57,243 INFO L93 Difference]: Finished difference Result 10605 states and 14621 transitions. [2019-11-07 00:47:57,244 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-07 00:47:57,244 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 226 [2019-11-07 00:47:57,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:47:57,293 INFO L225 Difference]: With dead ends: 10605 [2019-11-07 00:47:57,293 INFO L226 Difference]: Without dead ends: 5431 [2019-11-07 00:47:57,313 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2019-11-07 00:47:57,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5431 states. [2019-11-07 00:47:57,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5431 to 5431. [2019-11-07 00:47:57,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5431 states. [2019-11-07 00:47:57,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5431 states to 5431 states and 7478 transitions. [2019-11-07 00:47:57,622 INFO L78 Accepts]: Start accepts. Automaton has 5431 states and 7478 transitions. Word has length 226 [2019-11-07 00:47:57,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:47:57,623 INFO L462 AbstractCegarLoop]: Abstraction has 5431 states and 7478 transitions. [2019-11-07 00:47:57,623 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-07 00:47:57,623 INFO L276 IsEmpty]: Start isEmpty. Operand 5431 states and 7478 transitions. [2019-11-07 00:47:58,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2019-11-07 00:47:58,222 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:47:58,222 INFO L410 BasicCegarLoop]: trace histogram [8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 00:47:58,222 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:47:58,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:47:58,223 INFO L82 PathProgramCache]: Analyzing trace with hash 1852933994, now seen corresponding path program 1 times [2019-11-07 00:47:58,223 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:47:58,223 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078637639] [2019-11-07 00:47:58,224 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:47:58,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:47:58,379 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2019-11-07 00:47:58,380 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078637639] [2019-11-07 00:47:58,380 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:47:58,380 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 00:47:58,380 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272112540] [2019-11-07 00:47:58,382 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 00:47:58,382 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:47:58,382 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 00:47:58,382 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 00:47:58,382 INFO L87 Difference]: Start difference. First operand 5431 states and 7478 transitions. Second operand 3 states. [2019-11-07 00:47:58,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:47:58,688 INFO L93 Difference]: Finished difference Result 10813 states and 15004 transitions. [2019-11-07 00:47:58,688 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 00:47:58,688 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 251 [2019-11-07 00:47:58,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:47:58,715 INFO L225 Difference]: With dead ends: 10813 [2019-11-07 00:47:58,715 INFO L226 Difference]: Without dead ends: 5423 [2019-11-07 00:47:58,733 INFO L630 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 [2019-11-07 00:47:58,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5423 states. [2019-11-07 00:47:58,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5423 to 5423. [2019-11-07 00:47:58,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5423 states. [2019-11-07 00:47:58,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5423 states to 5423 states and 7453 transitions. [2019-11-07 00:47:58,947 INFO L78 Accepts]: Start accepts. Automaton has 5423 states and 7453 transitions. Word has length 251 [2019-11-07 00:47:58,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:47:58,948 INFO L462 AbstractCegarLoop]: Abstraction has 5423 states and 7453 transitions. [2019-11-07 00:47:58,948 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 00:47:58,948 INFO L276 IsEmpty]: Start isEmpty. Operand 5423 states and 7453 transitions. [2019-11-07 00:47:58,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2019-11-07 00:47:58,969 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:47:58,969 INFO L410 BasicCegarLoop]: trace histogram [8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 00:47:58,970 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:47:58,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:47:58,970 INFO L82 PathProgramCache]: Analyzing trace with hash -1057348410, now seen corresponding path program 1 times [2019-11-07 00:47:58,970 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:47:58,971 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054636671] [2019-11-07 00:47:58,971 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:47:59,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:47:59,136 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2019-11-07 00:47:59,137 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054636671] [2019-11-07 00:47:59,137 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:47:59,137 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-07 00:47:59,138 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796980114] [2019-11-07 00:47:59,138 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-07 00:47:59,139 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:47:59,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-07 00:47:59,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-07 00:47:59,139 INFO L87 Difference]: Start difference. First operand 5423 states and 7453 transitions. Second operand 4 states. [2019-11-07 00:47:59,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:47:59,977 INFO L93 Difference]: Finished difference Result 10780 states and 14826 transitions. [2019-11-07 00:47:59,977 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-07 00:47:59,977 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 261 [2019-11-07 00:47:59,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:48:00,001 INFO L225 Difference]: With dead ends: 10780 [2019-11-07 00:48:00,002 INFO L226 Difference]: Without dead ends: 5423 [2019-11-07 00:48:00,016 INFO L630 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 [2019-11-07 00:48:00,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5423 states. [2019-11-07 00:48:00,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5423 to 5423. [2019-11-07 00:48:00,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5423 states. [2019-11-07 00:48:00,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5423 states to 5423 states and 7382 transitions. [2019-11-07 00:48:00,218 INFO L78 Accepts]: Start accepts. Automaton has 5423 states and 7382 transitions. Word has length 261 [2019-11-07 00:48:00,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:48:00,220 INFO L462 AbstractCegarLoop]: Abstraction has 5423 states and 7382 transitions. [2019-11-07 00:48:00,220 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-07 00:48:00,220 INFO L276 IsEmpty]: Start isEmpty. Operand 5423 states and 7382 transitions. [2019-11-07 00:48:00,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2019-11-07 00:48:00,240 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:48:00,240 INFO L410 BasicCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 00:48:00,241 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:48:00,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:48:00,241 INFO L82 PathProgramCache]: Analyzing trace with hash -456151255, now seen corresponding path program 1 times [2019-11-07 00:48:00,241 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:48:00,241 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181751129] [2019-11-07 00:48:00,242 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:48:00,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:48:00,420 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2019-11-07 00:48:00,421 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181751129] [2019-11-07 00:48:00,422 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:48:00,423 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 00:48:00,423 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186648751] [2019-11-07 00:48:00,424 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 00:48:00,425 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:48:00,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 00:48:00,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 00:48:00,426 INFO L87 Difference]: Start difference. First operand 5423 states and 7382 transitions. Second operand 3 states. [2019-11-07 00:48:00,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:48:00,629 INFO L93 Difference]: Finished difference Result 11166 states and 15360 transitions. [2019-11-07 00:48:00,630 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 00:48:00,630 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 289 [2019-11-07 00:48:00,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:48:00,661 INFO L225 Difference]: With dead ends: 11166 [2019-11-07 00:48:00,661 INFO L226 Difference]: Without dead ends: 5863 [2019-11-07 00:48:00,685 INFO L630 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 [2019-11-07 00:48:00,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5863 states. [2019-11-07 00:48:00,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5863 to 5855. [2019-11-07 00:48:00,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5855 states. [2019-11-07 00:48:00,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5855 states to 5855 states and 8098 transitions. [2019-11-07 00:48:00,991 INFO L78 Accepts]: Start accepts. Automaton has 5855 states and 8098 transitions. Word has length 289 [2019-11-07 00:48:00,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:48:00,992 INFO L462 AbstractCegarLoop]: Abstraction has 5855 states and 8098 transitions. [2019-11-07 00:48:00,992 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 00:48:00,992 INFO L276 IsEmpty]: Start isEmpty. Operand 5855 states and 8098 transitions. [2019-11-07 00:48:01,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2019-11-07 00:48:01,013 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:48:01,014 INFO L410 BasicCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 00:48:01,014 INFO L410 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:48:01,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:48:01,014 INFO L82 PathProgramCache]: Analyzing trace with hash -300635247, now seen corresponding path program 1 times [2019-11-07 00:48:01,015 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:48:01,015 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274655178] [2019-11-07 00:48:01,015 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:48:01,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:48:01,240 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2019-11-07 00:48:01,240 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274655178] [2019-11-07 00:48:01,241 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:48:01,241 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-07 00:48:01,241 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582835641] [2019-11-07 00:48:01,242 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-07 00:48:01,242 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:48:01,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-07 00:48:01,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-11-07 00:48:01,243 INFO L87 Difference]: Start difference. First operand 5855 states and 8098 transitions. Second operand 8 states. [2019-11-07 00:48:02,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:48:02,762 INFO L93 Difference]: Finished difference Result 11582 states and 16220 transitions. [2019-11-07 00:48:02,762 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-07 00:48:02,762 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 290 [2019-11-07 00:48:02,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:48:02,804 INFO L225 Difference]: With dead ends: 11582 [2019-11-07 00:48:02,805 INFO L226 Difference]: Without dead ends: 5847 [2019-11-07 00:48:02,823 INFO L630 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 [2019-11-07 00:48:02,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5847 states. [2019-11-07 00:48:03,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5847 to 5847. [2019-11-07 00:48:03,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5847 states. [2019-11-07 00:48:03,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5847 states to 5847 states and 8058 transitions. [2019-11-07 00:48:03,091 INFO L78 Accepts]: Start accepts. Automaton has 5847 states and 8058 transitions. Word has length 290 [2019-11-07 00:48:03,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:48:03,092 INFO L462 AbstractCegarLoop]: Abstraction has 5847 states and 8058 transitions. [2019-11-07 00:48:03,092 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-07 00:48:03,092 INFO L276 IsEmpty]: Start isEmpty. Operand 5847 states and 8058 transitions. [2019-11-07 00:48:03,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2019-11-07 00:48:03,128 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:48:03,129 INFO L410 BasicCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 00:48:03,129 INFO L410 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:48:03,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:48:03,130 INFO L82 PathProgramCache]: Analyzing trace with hash 908844211, now seen corresponding path program 1 times [2019-11-07 00:48:03,131 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:48:03,131 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761588114] [2019-11-07 00:48:03,131 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:48:03,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:48:03,883 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2019-11-07 00:48:03,884 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761588114] [2019-11-07 00:48:03,884 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:48:03,884 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2019-11-07 00:48:03,884 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214509619] [2019-11-07 00:48:03,885 INFO L442 AbstractCegarLoop]: Interpolant automaton has 22 states [2019-11-07 00:48:03,885 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:48:03,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2019-11-07 00:48:03,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=414, Unknown=0, NotChecked=0, Total=462 [2019-11-07 00:48:03,886 INFO L87 Difference]: Start difference. First operand 5847 states and 8058 transitions. Second operand 22 states. [2019-11-07 00:48:10,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:48:10,683 INFO L93 Difference]: Finished difference Result 22403 states and 31038 transitions. [2019-11-07 00:48:10,684 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2019-11-07 00:48:10,684 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 296 [2019-11-07 00:48:10,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:48:10,787 INFO L225 Difference]: With dead ends: 22403 [2019-11-07 00:48:10,787 INFO L226 Difference]: Without dead ends: 19092 [2019-11-07 00:48:10,804 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 998 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=345, Invalid=3815, Unknown=0, NotChecked=0, Total=4160 [2019-11-07 00:48:10,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19092 states. [2019-11-07 00:48:11,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19092 to 18859. [2019-11-07 00:48:11,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18859 states. [2019-11-07 00:48:11,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18859 states to 18859 states and 26074 transitions. [2019-11-07 00:48:11,689 INFO L78 Accepts]: Start accepts. Automaton has 18859 states and 26074 transitions. Word has length 296 [2019-11-07 00:48:11,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:48:11,690 INFO L462 AbstractCegarLoop]: Abstraction has 18859 states and 26074 transitions. [2019-11-07 00:48:11,690 INFO L463 AbstractCegarLoop]: Interpolant automaton has 22 states. [2019-11-07 00:48:11,690 INFO L276 IsEmpty]: Start isEmpty. Operand 18859 states and 26074 transitions. [2019-11-07 00:48:11,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2019-11-07 00:48:11,736 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:48:11,736 INFO L410 BasicCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 00:48:11,737 INFO L410 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:48:11,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:48:11,737 INFO L82 PathProgramCache]: Analyzing trace with hash -1608744116, now seen corresponding path program 1 times [2019-11-07 00:48:11,737 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:48:11,738 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872696381] [2019-11-07 00:48:11,738 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:48:11,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:48:12,051 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2019-11-07 00:48:12,051 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872696381] [2019-11-07 00:48:12,051 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:48:12,052 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2019-11-07 00:48:12,052 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353433138] [2019-11-07 00:48:12,053 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-11-07 00:48:12,053 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:48:12,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-11-07 00:48:12,053 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2019-11-07 00:48:12,053 INFO L87 Difference]: Start difference. First operand 18859 states and 26074 transitions. Second operand 15 states. [2019-11-07 00:48:13,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:48:13,121 INFO L93 Difference]: Finished difference Result 33662 states and 46140 transitions. [2019-11-07 00:48:13,122 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-11-07 00:48:13,122 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 297 [2019-11-07 00:48:13,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:48:13,203 INFO L225 Difference]: With dead ends: 33662 [2019-11-07 00:48:13,203 INFO L226 Difference]: Without dead ends: 19771 [2019-11-07 00:48:13,232 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=87, Invalid=615, Unknown=0, NotChecked=0, Total=702 [2019-11-07 00:48:13,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19771 states. [2019-11-07 00:48:13,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19771 to 19771. [2019-11-07 00:48:13,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19771 states. [2019-11-07 00:48:13,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19771 states to 19771 states and 27418 transitions. [2019-11-07 00:48:13,973 INFO L78 Accepts]: Start accepts. Automaton has 19771 states and 27418 transitions. Word has length 297 [2019-11-07 00:48:13,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:48:13,974 INFO L462 AbstractCegarLoop]: Abstraction has 19771 states and 27418 transitions. [2019-11-07 00:48:13,974 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-11-07 00:48:13,974 INFO L276 IsEmpty]: Start isEmpty. Operand 19771 states and 27418 transitions. [2019-11-07 00:48:13,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2019-11-07 00:48:13,998 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:48:13,999 INFO L410 BasicCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 00:48:13,999 INFO L410 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:48:13,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:48:13,999 INFO L82 PathProgramCache]: Analyzing trace with hash 1569999000, now seen corresponding path program 1 times [2019-11-07 00:48:14,000 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:48:14,000 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636575930] [2019-11-07 00:48:14,000 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:48:14,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat