java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/email_spec6_productSimulator.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 03:16:18,877 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 03:16:18,880 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 03:16:18,898 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 03:16:18,898 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 03:16:18,900 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 03:16:18,902 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 03:16:18,913 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 03:16:18,918 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 03:16:18,920 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 03:16:18,921 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 03:16:18,922 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 03:16:18,922 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 03:16:18,923 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 03:16:18,924 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 03:16:18,925 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 03:16:18,926 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 03:16:18,927 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 03:16:18,929 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 03:16:18,930 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 03:16:18,932 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 03:16:18,933 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 03:16:18,934 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 03:16:18,935 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 03:16:18,937 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 03:16:18,937 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 03:16:18,937 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 03:16:18,939 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 03:16:18,940 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 03:16:18,942 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 03:16:18,943 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 03:16:18,944 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 03:16:18,945 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 03:16:18,947 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 03:16:18,948 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 03:16:18,948 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 03:16:18,949 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 03:16:18,949 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 03:16:18,949 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 03:16:18,953 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 03:16:18,954 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 03:16:18,957 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-15 03:16:18,990 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 03:16:18,990 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 03:16:18,997 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 03:16:18,997 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 03:16:18,998 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 03:16:18,998 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 03:16:18,998 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 03:16:18,998 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 03:16:18,998 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 03:16:18,998 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 03:16:18,999 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 03:16:18,999 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 03:16:18,999 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 03:16:18,999 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 03:16:19,000 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 03:16:19,000 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 03:16:19,000 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 03:16:19,000 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 03:16:19,000 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 03:16:19,001 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 03:16:19,001 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 03:16:19,001 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 03:16:19,001 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 03:16:19,001 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 03:16:19,002 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 03:16:19,002 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 03:16:19,002 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 03:16:19,002 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 03:16:19,002 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-15 03:16:19,291 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 03:16:19,309 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 03:16:19,313 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 03:16:19,315 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 03:16:19,315 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 03:16:19,316 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec6_productSimulator.cil.c [2019-10-15 03:16:19,384 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96a36095f/0814674239d24604b1a43066c527ab15/FLAG5253feb8d [2019-10-15 03:16:20,085 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 03:16:20,086 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec6_productSimulator.cil.c [2019-10-15 03:16:20,116 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96a36095f/0814674239d24604b1a43066c527ab15/FLAG5253feb8d [2019-10-15 03:16:20,201 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96a36095f/0814674239d24604b1a43066c527ab15 [2019-10-15 03:16:20,212 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 03:16:20,214 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 03:16:20,215 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 03:16:20,215 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 03:16:20,218 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 03:16:20,219 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:16:20" (1/1) ... [2019-10-15 03:16:20,221 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2feeb304 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:16:20, skipping insertion in model container [2019-10-15 03:16:20,222 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:16:20" (1/1) ... [2019-10-15 03:16:20,228 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 03:16:20,311 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 03:16:21,155 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:16:21,188 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 03:16:21,348 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:16:21,558 INFO L192 MainTranslator]: Completed translation [2019-10-15 03:16:21,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:16:21 WrapperNode [2019-10-15 03:16:21,559 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 03:16:21,560 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 03:16:21,560 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 03:16:21,560 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 03:16:21,576 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:16:21" (1/1) ... [2019-10-15 03:16:21,576 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:16:21" (1/1) ... [2019-10-15 03:16:21,622 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:16:21" (1/1) ... [2019-10-15 03:16:21,622 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:16:21" (1/1) ... [2019-10-15 03:16:21,721 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:16:21" (1/1) ... [2019-10-15 03:16:21,748 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:16:21" (1/1) ... [2019-10-15 03:16:21,763 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:16:21" (1/1) ... [2019-10-15 03:16:21,785 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 03:16:21,786 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 03:16:21,786 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 03:16:21,786 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 03:16:21,788 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:16:21" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 03:16:21,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 03:16:21,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 03:16:21,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 03:16:21,871 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptDecrypt_spec__1 [2019-10-15 03:16:21,896 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptDecrypt_spec__2 [2019-10-15 03:16:21,896 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 03:16:21,898 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 03:16:21,898 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 03:16:21,899 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 03:16:21,899 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 03:16:21,899 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 03:16:21,899 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Encrypt [2019-10-15 03:16:21,899 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Encrypt [2019-10-15 03:16:21,900 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Sign [2019-10-15 03:16:21,900 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Sign [2019-10-15 03:16:21,900 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Verify [2019-10-15 03:16:21,900 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Verify [2019-10-15 03:16:21,900 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-15 03:16:21,901 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__before__Encrypt [2019-10-15 03:16:21,902 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__role__Encrypt [2019-10-15 03:16:21,903 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-15 03:16:21,903 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-15 03:16:21,903 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-15 03:16:21,904 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 03:16:21,904 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 03:16:21,904 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 03:16:21,904 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 03:16:21,904 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 03:16:21,904 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-15 03:16:21,904 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-15 03:16:21,905 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-15 03:16:21,905 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-15 03:16:21,905 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-15 03:16:21,905 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-15 03:16:21,906 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-15 03:16:21,906 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-15 03:16:21,906 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-15 03:16:21,906 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-15 03:16:21,906 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-15 03:16:21,906 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-15 03:16:21,907 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-15 03:16:21,907 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-15 03:16:21,907 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-15 03:16:21,907 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-15 03:16:21,907 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-15 03:16:21,907 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-15 03:16:21,907 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-15 03:16:21,908 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-15 03:16:21,908 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-15 03:16:21,908 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-15 03:16:21,908 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-15 03:16:21,908 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-15 03:16:21,908 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-15 03:16:21,908 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-15 03:16:21,909 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-15 03:16:21,909 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-15 03:16:21,909 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-15 03:16:21,909 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-15 03:16:21,909 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 03:16:21,910 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__before__Keys [2019-10-15 03:16:21,910 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__role__Keys [2019-10-15 03:16:21,910 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-15 03:16:21,911 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__before__Keys [2019-10-15 03:16:21,911 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__role__Keys [2019-10-15 03:16:21,911 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-15 03:16:21,911 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__before__Keys [2019-10-15 03:16:21,911 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__role__Keys [2019-10-15 03:16:21,911 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-15 03:16:21,911 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-15 03:16:21,912 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-15 03:16:21,912 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 03:16:21,912 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 03:16:21,912 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-15 03:16:21,913 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-15 03:16:21,913 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-15 03:16:21,913 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-15 03:16:21,914 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-15 03:16:21,914 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-15 03:16:21,914 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-15 03:16:21,915 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-15 03:16:21,915 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-15 03:16:21,916 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-15 03:16:21,916 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-15 03:16:21,917 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-15 03:16:21,917 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-15 03:16:21,917 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-15 03:16:21,917 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-15 03:16:21,918 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-15 03:16:21,918 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-15 03:16:21,919 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-15 03:16:21,919 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-15 03:16:21,919 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-15 03:16:21,919 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-15 03:16:21,919 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-15 03:16:21,919 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-15 03:16:21,919 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-15 03:16:21,920 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-15 03:16:21,920 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-15 03:16:21,920 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-15 03:16:21,920 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-15 03:16:21,920 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-15 03:16:21,920 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-15 03:16:21,920 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-15 03:16:21,921 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-15 03:16:21,921 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-15 03:16:21,921 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-15 03:16:21,921 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Encrypt [2019-10-15 03:16:21,921 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__Encrypt [2019-10-15 03:16:21,921 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__AddressBook [2019-10-15 03:16:21,922 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__AddressBook [2019-10-15 03:16:21,922 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Sign [2019-10-15 03:16:21,922 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__Sign [2019-10-15 03:16:21,922 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-15 03:16:21,922 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-15 03:16:21,922 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__AutoResponder [2019-10-15 03:16:21,922 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__AutoResponder [2019-10-15 03:16:21,923 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Forward [2019-10-15 03:16:21,923 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Forward [2019-10-15 03:16:21,923 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Verify [2019-10-15 03:16:21,924 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Verify [2019-10-15 03:16:21,924 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Decrypt [2019-10-15 03:16:21,924 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Decrypt [2019-10-15 03:16:21,924 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-15 03:16:21,925 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-15 03:16:21,926 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-15 03:16:21,926 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-15 03:16:21,926 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-15 03:16:21,926 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-15 03:16:21,927 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-15 03:16:21,927 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-15 03:16:21,927 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-15 03:16:21,928 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-15 03:16:21,928 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-15 03:16:21,929 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-15 03:16:21,932 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-15 03:16:21,933 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-15 03:16:21,933 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 03:16:21,933 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 03:16:21,933 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 03:16:21,933 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-15 03:16:21,934 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-15 03:16:21,934 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-15 03:16:21,934 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-15 03:16:21,935 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 03:16:21,943 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-15 03:16:21,943 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptDecrypt_spec__1 [2019-10-15 03:16:21,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 03:16:21,943 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptDecrypt_spec__2 [2019-10-15 03:16:21,943 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 03:16:21,943 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 03:16:21,944 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 03:16:21,944 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 03:16:21,944 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 03:16:21,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 03:16:21,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 03:16:21,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 03:16:21,945 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 03:16:21,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 03:16:21,946 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 03:16:21,946 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 03:16:21,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 03:16:21,946 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 03:16:21,946 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 03:16:21,946 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 03:16:21,947 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-15 03:16:21,947 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-15 03:16:21,947 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-15 03:16:21,947 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-15 03:16:21,947 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-15 03:16:21,947 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-15 03:16:21,947 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-15 03:16:21,947 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-15 03:16:21,948 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-15 03:16:21,948 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-15 03:16:21,948 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-15 03:16:21,948 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-15 03:16:21,948 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Encrypt [2019-10-15 03:16:21,948 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Encrypt [2019-10-15 03:16:21,948 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Sign [2019-10-15 03:16:21,949 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Sign [2019-10-15 03:16:21,949 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Verify [2019-10-15 03:16:21,949 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Verify [2019-10-15 03:16:21,949 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__before__Encrypt [2019-10-15 03:16:21,949 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__role__Encrypt [2019-10-15 03:16:21,949 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 03:16:21,949 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 03:16:21,950 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 03:16:21,950 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 03:16:21,950 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-15 03:16:21,950 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-15 03:16:21,951 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-15 03:16:21,951 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-15 03:16:21,951 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-15 03:16:21,951 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-15 03:16:21,951 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-15 03:16:21,951 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-15 03:16:21,951 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-15 03:16:21,952 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-15 03:16:21,952 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-15 03:16:21,952 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-15 03:16:21,952 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-15 03:16:21,952 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-15 03:16:21,952 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-15 03:16:21,952 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-15 03:16:21,953 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-15 03:16:21,953 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-15 03:16:21,953 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-15 03:16:21,953 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-15 03:16:21,955 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-15 03:16:21,955 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-15 03:16:21,956 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-15 03:16:21,956 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-15 03:16:21,956 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-15 03:16:21,956 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-15 03:16:21,956 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-15 03:16:21,956 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-15 03:16:21,957 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-15 03:16:21,957 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-15 03:16:21,957 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-15 03:16:21,957 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-15 03:16:21,957 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-15 03:16:21,957 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-15 03:16:21,957 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-15 03:16:21,957 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-15 03:16:21,958 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-15 03:16:21,958 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-15 03:16:21,958 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-15 03:16:21,958 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-15 03:16:21,958 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 03:16:21,958 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-15 03:16:21,959 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-15 03:16:21,959 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-15 03:16:21,959 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-15 03:16:21,959 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-15 03:16:21,959 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-15 03:16:21,959 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-15 03:16:21,959 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-15 03:16:21,960 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-15 03:16:21,960 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-15 03:16:21,960 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 03:16:21,960 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 03:16:21,960 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-15 03:16:21,960 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-15 03:16:21,960 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__before__Keys [2019-10-15 03:16:21,961 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__role__Keys [2019-10-15 03:16:21,961 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__before__Keys [2019-10-15 03:16:21,961 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__role__Keys [2019-10-15 03:16:21,961 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__before__Keys [2019-10-15 03:16:21,961 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__role__Keys [2019-10-15 03:16:21,961 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-15 03:16:21,961 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-15 03:16:21,962 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-15 03:16:21,962 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-15 03:16:21,962 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-15 03:16:21,962 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-15 03:16:21,962 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-15 03:16:21,962 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-15 03:16:21,962 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-15 03:16:21,963 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-15 03:16:21,963 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-15 03:16:21,964 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-15 03:16:21,969 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-15 03:16:21,969 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-15 03:16:21,969 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-15 03:16:21,970 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-15 03:16:21,970 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-15 03:16:21,970 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-15 03:16:21,970 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-15 03:16:21,970 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-15 03:16:21,970 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-15 03:16:21,970 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Encrypt [2019-10-15 03:16:21,970 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__Encrypt [2019-10-15 03:16:21,973 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__AddressBook [2019-10-15 03:16:21,974 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__AddressBook [2019-10-15 03:16:21,974 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Sign [2019-10-15 03:16:21,974 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__Sign [2019-10-15 03:16:21,974 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__AutoResponder [2019-10-15 03:16:21,974 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__AutoResponder [2019-10-15 03:16:21,974 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Forward [2019-10-15 03:16:21,974 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Forward [2019-10-15 03:16:21,975 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Verify [2019-10-15 03:16:21,975 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Verify [2019-10-15 03:16:21,975 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Decrypt [2019-10-15 03:16:21,975 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Decrypt [2019-10-15 03:16:21,975 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 03:16:21,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 03:16:21,976 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 03:16:26,922 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 03:16:26,923 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-15 03:16:26,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:16:26 BoogieIcfgContainer [2019-10-15 03:16:26,926 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 03:16:26,928 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 03:16:26,928 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 03:16:26,932 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 03:16:26,932 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 03:16:20" (1/3) ... [2019-10-15 03:16:26,933 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33ccf8fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:16:26, skipping insertion in model container [2019-10-15 03:16:26,934 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:16:21" (2/3) ... [2019-10-15 03:16:26,934 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33ccf8fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:16:26, skipping insertion in model container [2019-10-15 03:16:26,934 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:16:26" (3/3) ... [2019-10-15 03:16:26,936 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec6_productSimulator.cil.c [2019-10-15 03:16:26,947 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 03:16:26,961 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 03:16:26,973 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 03:16:27,006 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 03:16:27,006 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 03:16:27,006 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 03:16:27,006 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 03:16:27,006 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 03:16:27,006 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 03:16:27,007 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 03:16:27,007 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 03:16:27,042 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states. [2019-10-15 03:16:27,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2019-10-15 03:16:27,065 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:16:27,066 INFO L380 BasicCegarLoop]: trace histogram [8, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:16:27,068 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:16:27,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:16:27,075 INFO L82 PathProgramCache]: Analyzing trace with hash -447770392, now seen corresponding path program 1 times [2019-10-15 03:16:27,085 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:16:27,085 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880232206] [2019-10-15 03:16:27,085 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:16:27,086 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:16:27,086 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:16:27,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:16:27,881 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-10-15 03:16:27,882 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880232206] [2019-10-15 03:16:27,883 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:16:27,883 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 03:16:27,883 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743791929] [2019-10-15 03:16:27,890 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 03:16:27,890 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:16:27,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 03:16:27,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 03:16:27,908 INFO L87 Difference]: Start difference. First operand 614 states. Second operand 6 states. [2019-10-15 03:16:28,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:16:28,167 INFO L93 Difference]: Finished difference Result 1150 states and 1445 transitions. [2019-10-15 03:16:28,168 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 03:16:28,169 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 162 [2019-10-15 03:16:28,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:16:28,205 INFO L225 Difference]: With dead ends: 1150 [2019-10-15 03:16:28,205 INFO L226 Difference]: Without dead ends: 587 [2019-10-15 03:16:28,215 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-15 03:16:28,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 587 states. [2019-10-15 03:16:28,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 587 to 587. [2019-10-15 03:16:28,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 587 states. [2019-10-15 03:16:28,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 724 transitions. [2019-10-15 03:16:28,378 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 724 transitions. Word has length 162 [2019-10-15 03:16:28,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:16:28,383 INFO L462 AbstractCegarLoop]: Abstraction has 587 states and 724 transitions. [2019-10-15 03:16:28,383 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 03:16:28,383 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 724 transitions. [2019-10-15 03:16:28,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2019-10-15 03:16:28,398 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:16:28,398 INFO L380 BasicCegarLoop]: trace histogram [8, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:16:28,399 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:16:28,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:16:28,400 INFO L82 PathProgramCache]: Analyzing trace with hash 1701865309, now seen corresponding path program 1 times [2019-10-15 03:16:28,400 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:16:28,400 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958664551] [2019-10-15 03:16:28,400 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:16:28,400 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:16:28,401 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:16:28,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:16:28,746 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-10-15 03:16:28,746 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958664551] [2019-10-15 03:16:28,747 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:16:28,747 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-15 03:16:28,747 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64189583] [2019-10-15 03:16:28,752 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-15 03:16:28,752 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:16:28,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-15 03:16:28,753 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 03:16:28,753 INFO L87 Difference]: Start difference. First operand 587 states and 724 transitions. Second operand 4 states. [2019-10-15 03:16:29,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:16:29,807 INFO L93 Difference]: Finished difference Result 1140 states and 1436 transitions. [2019-10-15 03:16:29,808 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-15 03:16:29,808 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 168 [2019-10-15 03:16:29,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:16:29,815 INFO L225 Difference]: With dead ends: 1140 [2019-10-15 03:16:29,815 INFO L226 Difference]: Without dead ends: 585 [2019-10-15 03:16:29,818 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 03:16:29,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 585 states. [2019-10-15 03:16:29,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 585 to 585. [2019-10-15 03:16:29,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 585 states. [2019-10-15 03:16:29,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 585 states and 713 transitions. [2019-10-15 03:16:29,870 INFO L78 Accepts]: Start accepts. Automaton has 585 states and 713 transitions. Word has length 168 [2019-10-15 03:16:29,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:16:29,871 INFO L462 AbstractCegarLoop]: Abstraction has 585 states and 713 transitions. [2019-10-15 03:16:29,871 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-15 03:16:29,871 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 713 transitions. [2019-10-15 03:16:29,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2019-10-15 03:16:29,875 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:16:29,876 INFO L380 BasicCegarLoop]: trace histogram [8, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:16:29,876 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:16:29,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:16:29,876 INFO L82 PathProgramCache]: Analyzing trace with hash -1506745485, now seen corresponding path program 1 times [2019-10-15 03:16:29,877 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:16:29,877 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386174462] [2019-10-15 03:16:29,877 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:16:29,877 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:16:29,877 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:16:29,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:16:30,035 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2019-10-15 03:16:30,036 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386174462] [2019-10-15 03:16:30,036 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:16:30,036 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:16:30,036 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989663072] [2019-10-15 03:16:30,039 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:16:30,039 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:16:30,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:16:30,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:16:30,040 INFO L87 Difference]: Start difference. First operand 585 states and 713 transitions. Second operand 3 states. [2019-10-15 03:16:30,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:16:30,219 INFO L93 Difference]: Finished difference Result 1133 states and 1395 transitions. [2019-10-15 03:16:30,220 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:16:30,220 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 181 [2019-10-15 03:16:30,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:16:30,227 INFO L225 Difference]: With dead ends: 1133 [2019-10-15 03:16:30,228 INFO L226 Difference]: Without dead ends: 584 [2019-10-15 03:16:30,231 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:16:30,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 584 states. [2019-10-15 03:16:30,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 584 to 584. [2019-10-15 03:16:30,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 584 states. [2019-10-15 03:16:30,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 584 states and 709 transitions. [2019-10-15 03:16:30,279 INFO L78 Accepts]: Start accepts. Automaton has 584 states and 709 transitions. Word has length 181 [2019-10-15 03:16:30,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:16:30,281 INFO L462 AbstractCegarLoop]: Abstraction has 584 states and 709 transitions. [2019-10-15 03:16:30,281 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:16:30,281 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 709 transitions. [2019-10-15 03:16:30,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2019-10-15 03:16:30,291 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:16:30,291 INFO L380 BasicCegarLoop]: trace histogram [8, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:16:30,292 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:16:30,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:16:30,292 INFO L82 PathProgramCache]: Analyzing trace with hash 788594452, now seen corresponding path program 1 times [2019-10-15 03:16:30,293 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:16:30,293 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523308260] [2019-10-15 03:16:30,293 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:16:30,294 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:16:30,294 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:16:30,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:16:30,554 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2019-10-15 03:16:30,554 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523308260] [2019-10-15 03:16:30,555 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:16:30,555 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-15 03:16:30,555 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086276166] [2019-10-15 03:16:30,556 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-15 03:16:30,557 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:16:30,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-15 03:16:30,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 03:16:30,558 INFO L87 Difference]: Start difference. First operand 584 states and 709 transitions. Second operand 4 states. [2019-10-15 03:16:31,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:16:31,443 INFO L93 Difference]: Finished difference Result 1105 states and 1342 transitions. [2019-10-15 03:16:31,444 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-15 03:16:31,444 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 182 [2019-10-15 03:16:31,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:16:31,448 INFO L225 Difference]: With dead ends: 1105 [2019-10-15 03:16:31,448 INFO L226 Difference]: Without dead ends: 581 [2019-10-15 03:16:31,450 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 03:16:31,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 581 states. [2019-10-15 03:16:31,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 581 to 581. [2019-10-15 03:16:31,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 581 states. [2019-10-15 03:16:31,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 581 states and 692 transitions. [2019-10-15 03:16:31,482 INFO L78 Accepts]: Start accepts. Automaton has 581 states and 692 transitions. Word has length 182 [2019-10-15 03:16:31,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:16:31,483 INFO L462 AbstractCegarLoop]: Abstraction has 581 states and 692 transitions. [2019-10-15 03:16:31,483 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-15 03:16:31,483 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states and 692 transitions. [2019-10-15 03:16:31,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2019-10-15 03:16:31,486 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:16:31,486 INFO L380 BasicCegarLoop]: trace histogram [8, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:16:31,487 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:16:31,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:16:31,487 INFO L82 PathProgramCache]: Analyzing trace with hash -2064283910, now seen corresponding path program 1 times [2019-10-15 03:16:31,487 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:16:31,488 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834676262] [2019-10-15 03:16:31,488 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:16:31,488 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:16:31,488 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:16:31,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:16:31,663 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2019-10-15 03:16:31,664 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834676262] [2019-10-15 03:16:31,664 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:16:31,664 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:16:31,664 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720564516] [2019-10-15 03:16:31,665 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:16:31,665 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:16:31,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:16:31,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:16:31,666 INFO L87 Difference]: Start difference. First operand 581 states and 692 transitions. Second operand 3 states. [2019-10-15 03:16:31,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:16:31,707 INFO L93 Difference]: Finished difference Result 917 states and 1086 transitions. [2019-10-15 03:16:31,708 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:16:31,708 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 203 [2019-10-15 03:16:31,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:16:31,714 INFO L225 Difference]: With dead ends: 917 [2019-10-15 03:16:31,714 INFO L226 Difference]: Without dead ends: 583 [2019-10-15 03:16:31,716 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:16:31,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 583 states. [2019-10-15 03:16:31,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 583 to 583. [2019-10-15 03:16:31,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 583 states. [2019-10-15 03:16:31,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 583 states and 694 transitions. [2019-10-15 03:16:31,755 INFO L78 Accepts]: Start accepts. Automaton has 583 states and 694 transitions. Word has length 203 [2019-10-15 03:16:31,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:16:31,756 INFO L462 AbstractCegarLoop]: Abstraction has 583 states and 694 transitions. [2019-10-15 03:16:31,756 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:16:31,756 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 694 transitions. [2019-10-15 03:16:31,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2019-10-15 03:16:31,760 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:16:31,761 INFO L380 BasicCegarLoop]: trace histogram [8, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:16:31,761 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:16:31,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:16:31,762 INFO L82 PathProgramCache]: Analyzing trace with hash -1698259275, now seen corresponding path program 1 times [2019-10-15 03:16:31,762 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:16:31,762 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43042129] [2019-10-15 03:16:31,763 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:16:31,763 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:16:31,763 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:16:31,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:16:32,075 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2019-10-15 03:16:32,076 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43042129] [2019-10-15 03:16:32,077 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:16:32,078 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:16:32,078 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298717900] [2019-10-15 03:16:32,079 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:16:32,079 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:16:32,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:16:32,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:16:32,080 INFO L87 Difference]: Start difference. First operand 583 states and 694 transitions. Second operand 3 states. [2019-10-15 03:16:32,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:16:32,123 INFO L93 Difference]: Finished difference Result 1114 states and 1357 transitions. [2019-10-15 03:16:32,123 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:16:32,123 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 210 [2019-10-15 03:16:32,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:16:32,130 INFO L225 Difference]: With dead ends: 1114 [2019-10-15 03:16:32,130 INFO L226 Difference]: Without dead ends: 637 [2019-10-15 03:16:32,132 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:16:32,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 637 states. [2019-10-15 03:16:32,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 637 to 636. [2019-10-15 03:16:32,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 636 states. [2019-10-15 03:16:32,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 636 states and 781 transitions. [2019-10-15 03:16:32,168 INFO L78 Accepts]: Start accepts. Automaton has 636 states and 781 transitions. Word has length 210 [2019-10-15 03:16:32,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:16:32,169 INFO L462 AbstractCegarLoop]: Abstraction has 636 states and 781 transitions. [2019-10-15 03:16:32,169 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:16:32,170 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 781 transitions. [2019-10-15 03:16:32,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2019-10-15 03:16:32,175 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:16:32,175 INFO L380 BasicCegarLoop]: trace histogram [8, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:16:32,176 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:16:32,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:16:32,176 INFO L82 PathProgramCache]: Analyzing trace with hash 729572785, now seen corresponding path program 1 times [2019-10-15 03:16:32,176 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:16:32,177 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323623368] [2019-10-15 03:16:32,177 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:16:32,177 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:16:32,177 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:16:32,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:16:32,886 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2019-10-15 03:16:32,887 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323623368] [2019-10-15 03:16:32,887 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:16:32,887 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2019-10-15 03:16:32,888 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527228108] [2019-10-15 03:16:32,889 INFO L442 AbstractCegarLoop]: Interpolant automaton has 28 states [2019-10-15 03:16:32,890 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:16:32,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2019-10-15 03:16:32,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=683, Unknown=0, NotChecked=0, Total=756 [2019-10-15 03:16:32,892 INFO L87 Difference]: Start difference. First operand 636 states and 781 transitions. Second operand 28 states. [2019-10-15 03:16:49,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:16:49,112 INFO L93 Difference]: Finished difference Result 1933 states and 2418 transitions. [2019-10-15 03:16:49,112 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2019-10-15 03:16:49,112 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 211 [2019-10-15 03:16:49,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:16:49,124 INFO L225 Difference]: With dead ends: 1933 [2019-10-15 03:16:49,124 INFO L226 Difference]: Without dead ends: 1607 [2019-10-15 03:16:49,128 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 880 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=487, Invalid=3673, Unknown=0, NotChecked=0, Total=4160 [2019-10-15 03:16:49,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1607 states. [2019-10-15 03:16:49,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1607 to 1594. [2019-10-15 03:16:49,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1594 states. [2019-10-15 03:16:49,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1594 states to 1594 states and 1957 transitions. [2019-10-15 03:16:49,232 INFO L78 Accepts]: Start accepts. Automaton has 1594 states and 1957 transitions. Word has length 211 [2019-10-15 03:16:49,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:16:49,233 INFO L462 AbstractCegarLoop]: Abstraction has 1594 states and 1957 transitions. [2019-10-15 03:16:49,233 INFO L463 AbstractCegarLoop]: Interpolant automaton has 28 states. [2019-10-15 03:16:49,233 INFO L276 IsEmpty]: Start isEmpty. Operand 1594 states and 1957 transitions. [2019-10-15 03:16:49,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2019-10-15 03:16:49,238 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:16:49,238 INFO L380 BasicCegarLoop]: trace histogram [8, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:16:49,239 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:16:49,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:16:49,239 INFO L82 PathProgramCache]: Analyzing trace with hash -1258354345, now seen corresponding path program 1 times [2019-10-15 03:16:49,240 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:16:49,240 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035291905] [2019-10-15 03:16:49,240 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:16:49,240 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:16:49,240 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:16:49,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:16:50,081 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2019-10-15 03:16:50,082 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035291905] [2019-10-15 03:16:50,082 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:16:50,082 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2019-10-15 03:16:50,083 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221357343] [2019-10-15 03:16:50,084 INFO L442 AbstractCegarLoop]: Interpolant automaton has 30 states [2019-10-15 03:16:50,084 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:16:50,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2019-10-15 03:16:50,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=791, Unknown=0, NotChecked=0, Total=870 [2019-10-15 03:16:50,086 INFO L87 Difference]: Start difference. First operand 1594 states and 1957 transitions. Second operand 30 states.