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_spec4_product31.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 23:10:33,919 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 23:10:33,922 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 23:10:33,939 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 23:10:33,940 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 23:10:33,942 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 23:10:33,944 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 23:10:33,953 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 23:10:33,959 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 23:10:33,962 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 23:10:33,963 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 23:10:33,965 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 23:10:33,965 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 23:10:33,967 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 23:10:33,969 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 23:10:33,971 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 23:10:33,972 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 23:10:33,973 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 23:10:33,975 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 23:10:33,980 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 23:10:33,981 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 23:10:33,983 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 23:10:33,984 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 23:10:33,985 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 23:10:33,988 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 23:10:33,989 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 23:10:33,989 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 23:10:33,991 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 23:10:33,992 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 23:10:33,994 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 23:10:33,994 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 23:10:33,996 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 23:10:33,997 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 23:10:33,997 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 23:10:34,000 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 23:10:34,000 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 23:10:34,001 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 23:10:34,001 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 23:10:34,001 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 23:10:34,003 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 23:10:34,004 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 23:10:34,005 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 [2019-10-13 23:10:34,042 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 23:10:34,042 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 23:10:34,046 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 23:10:34,047 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 23:10:34,047 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 23:10:34,047 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 23:10:34,047 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 23:10:34,048 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 23:10:34,048 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 23:10:34,048 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 23:10:34,048 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 23:10:34,048 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 23:10:34,049 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 23:10:34,049 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 23:10:34,049 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 23:10:34,049 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 23:10:34,049 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 23:10:34,050 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 23:10:34,050 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 23:10:34,050 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 23:10:34,050 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 23:10:34,050 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 23:10:34,051 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 23:10:34,051 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 23:10:34,051 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 23:10:34,051 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 23:10:34,051 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 23:10:34,052 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 23:10:34,052 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 [2019-10-13 23:10:34,339 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 23:10:34,352 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 23:10:34,355 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 23:10:34,357 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 23:10:34,357 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 23:10:34,358 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec4_product31.cil.c [2019-10-13 23:10:34,418 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d477a818b/11fe583cf8e04f8193045a2a98e3d3e9/FLAGcff4ac7f1 [2019-10-13 23:10:35,024 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 23:10:35,025 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec4_product31.cil.c [2019-10-13 23:10:35,059 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d477a818b/11fe583cf8e04f8193045a2a98e3d3e9/FLAGcff4ac7f1 [2019-10-13 23:10:35,276 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d477a818b/11fe583cf8e04f8193045a2a98e3d3e9 [2019-10-13 23:10:35,288 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 23:10:35,290 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 23:10:35,293 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 23:10:35,293 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 23:10:35,297 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 23:10:35,298 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:10:35" (1/1) ... [2019-10-13 23:10:35,301 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ea49d19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:10:35, skipping insertion in model container [2019-10-13 23:10:35,302 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:10:35" (1/1) ... [2019-10-13 23:10:35,311 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 23:10:35,404 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 23:10:36,108 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:10:36,134 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 23:10:36,281 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:10:36,388 INFO L192 MainTranslator]: Completed translation [2019-10-13 23:10:36,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:10:36 WrapperNode [2019-10-13 23:10:36,389 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 23:10:36,390 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 23:10:36,390 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 23:10:36,390 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 23:10:36,409 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:10:36" (1/1) ... [2019-10-13 23:10:36,410 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:10:36" (1/1) ... [2019-10-13 23:10:36,455 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:10:36" (1/1) ... [2019-10-13 23:10:36,455 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:10:36" (1/1) ... [2019-10-13 23:10:36,561 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:10:36" (1/1) ... [2019-10-13 23:10:36,582 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:10:36" (1/1) ... [2019-10-13 23:10:36,597 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:10:36" (1/1) ... [2019-10-13 23:10:36,614 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 23:10:36,615 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 23:10:36,615 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 23:10:36,615 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 23:10:36,617 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:10:36" (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 [2019-10-13 23:10:36,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 23:10:36,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 23:10:36,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 23:10:36,731 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-13 23:10:36,731 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-13 23:10:36,732 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-13 23:10:36,733 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-13 23:10:36,733 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-13 23:10:36,734 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-13 23:10:36,734 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-13 23:10:36,734 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-13 23:10:36,735 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-13 23:10:36,736 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-13 23:10:36,736 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-13 23:10:36,736 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-13 23:10:36,736 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-13 23:10:36,739 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-13 23:10:36,740 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-13 23:10:36,740 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-13 23:10:36,740 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-13 23:10:36,742 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-13 23:10:36,742 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-13 23:10:36,743 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-13 23:10:36,743 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-13 23:10:36,743 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-13 23:10:36,743 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-13 23:10:36,744 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-13 23:10:36,744 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-13 23:10:36,744 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-13 23:10:36,744 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-13 23:10:36,745 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-13 23:10:36,745 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-13 23:10:36,745 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 23:10:36,745 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 23:10:36,745 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 23:10:36,746 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 23:10:36,746 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 23:10:36,746 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 23:10:36,746 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 23:10:36,747 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-13 23:10:36,747 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-13 23:10:36,747 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-13 23:10:36,747 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-13 23:10:36,747 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-13 23:10:36,748 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-13 23:10:36,748 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-13 23:10:36,748 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-13 23:10:36,748 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 23:10:36,749 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 23:10:36,749 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-13 23:10:36,749 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-13 23:10:36,749 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-13 23:10:36,750 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-13 23:10:36,750 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-13 23:10:36,750 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-13 23:10:36,750 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-13 23:10:36,751 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-13 23:10:36,751 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-13 23:10:36,751 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-13 23:10:36,752 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-13 23:10:36,753 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-13 23:10:36,753 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-13 23:10:36,753 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-13 23:10:36,753 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-13 23:10:36,753 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-13 23:10:36,754 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-13 23:10:36,754 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-13 23:10:36,754 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-13 23:10:36,754 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-13 23:10:36,755 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-13 23:10:36,755 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-13 23:10:36,755 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-13 23:10:36,755 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-13 23:10:36,756 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-13 23:10:36,757 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-13 23:10:36,757 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-13 23:10:36,758 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-13 23:10:36,758 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-13 23:10:36,758 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-13 23:10:36,759 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-13 23:10:36,760 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-13 23:10:36,760 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-13 23:10:36,760 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2019-10-13 23:10:36,760 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-13 23:10:36,761 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-13 23:10:36,761 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-13 23:10:36,762 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-10-13 23:10:36,762 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-10-13 23:10:36,763 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-13 23:10:36,763 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-13 23:10:36,763 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-13 23:10:36,763 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-13 23:10:36,764 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-13 23:10:36,764 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-13 23:10:36,764 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-13 23:10:36,764 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-13 23:10:36,764 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-13 23:10:36,765 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-13 23:10:36,765 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-13 23:10:36,765 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-13 23:10:36,765 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignForward_spec__1 [2019-10-13 23:10:36,766 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-13 23:10:36,766 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Encrypt [2019-10-13 23:10:36,766 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2019-10-13 23:10:36,766 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-13 23:10:36,766 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-13 23:10:36,767 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-13 23:10:36,767 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-13 23:10:36,767 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-13 23:10:36,767 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 23:10:36,768 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 23:10:36,768 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 23:10:36,768 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 23:10:36,768 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-13 23:10:36,769 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 23:10:36,769 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 23:10:36,770 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 23:10:36,770 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-13 23:10:36,770 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-13 23:10:36,770 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-13 23:10:36,775 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-13 23:10:36,776 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-13 23:10:36,776 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-13 23:10:36,776 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-13 23:10:36,777 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-13 23:10:36,778 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-13 23:10:36,778 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-13 23:10:36,778 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-13 23:10:36,778 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-13 23:10:36,778 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-13 23:10:36,778 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-13 23:10:36,779 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-13 23:10:36,779 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-13 23:10:36,780 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-13 23:10:36,784 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-13 23:10:36,785 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-13 23:10:36,785 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-13 23:10:36,785 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-13 23:10:36,786 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-13 23:10:36,786 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-13 23:10:36,786 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-13 23:10:36,787 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-13 23:10:36,787 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-13 23:10:36,788 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-13 23:10:36,794 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-13 23:10:36,795 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-13 23:10:36,795 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 23:10:36,795 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 23:10:36,795 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 23:10:36,796 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 23:10:36,796 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 23:10:36,796 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 23:10:36,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 23:10:36,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 23:10:36,800 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 23:10:36,800 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 23:10:36,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 23:10:36,800 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 23:10:36,800 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 23:10:36,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 23:10:36,801 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 23:10:36,801 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 23:10:36,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 23:10:36,801 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 23:10:36,802 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 23:10:36,802 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-13 23:10:36,802 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 23:10:36,802 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 23:10:36,802 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 23:10:36,802 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-13 23:10:36,803 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-13 23:10:36,803 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-13 23:10:36,803 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-13 23:10:36,803 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-13 23:10:36,803 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-13 23:10:36,804 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-13 23:10:36,804 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-13 23:10:36,804 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-13 23:10:36,804 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-13 23:10:36,804 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-13 23:10:36,805 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 23:10:36,805 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 23:10:36,805 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 23:10:36,805 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-13 23:10:36,806 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-13 23:10:36,806 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-13 23:10:36,806 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-13 23:10:36,807 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-13 23:10:36,807 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-13 23:10:36,807 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-13 23:10:36,807 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-13 23:10:36,807 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-13 23:10:36,808 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-13 23:10:36,808 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-13 23:10:36,808 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-13 23:10:36,809 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-13 23:10:36,809 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-13 23:10:36,809 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-13 23:10:36,809 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-13 23:10:36,810 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-13 23:10:36,810 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-13 23:10:36,810 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-13 23:10:36,810 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-13 23:10:36,811 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-13 23:10:36,811 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-13 23:10:36,811 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-13 23:10:36,811 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-13 23:10:36,812 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-13 23:10:36,812 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-13 23:10:36,812 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-13 23:10:36,812 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-13 23:10:36,813 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-13 23:10:36,813 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-13 23:10:36,813 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-13 23:10:36,813 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-13 23:10:36,814 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-13 23:10:36,814 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-13 23:10:36,814 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-13 23:10:36,814 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-13 23:10:36,815 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-13 23:10:36,815 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-13 23:10:36,815 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-13 23:10:36,815 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-13 23:10:36,816 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-13 23:10:36,816 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-13 23:10:36,816 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-13 23:10:36,817 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-13 23:10:36,817 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-13 23:10:36,817 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-13 23:10:36,817 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignForward_spec__1 [2019-10-13 23:10:36,818 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-13 23:10:36,818 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2019-10-13 23:10:36,818 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-13 23:10:36,818 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-10-13 23:10:36,819 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-10-13 23:10:36,819 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-13 23:10:36,819 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-13 23:10:36,819 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Encrypt [2019-10-13 23:10:36,820 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2019-10-13 23:10:36,820 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-13 23:10:36,820 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 23:10:36,820 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-13 23:10:36,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 23:10:36,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 23:10:36,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 23:10:42,041 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 23:10:42,042 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-13 23:10:42,045 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:10:42 BoogieIcfgContainer [2019-10-13 23:10:42,045 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 23:10:42,047 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 23:10:42,047 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 23:10:42,051 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 23:10:42,052 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:10:35" (1/3) ... [2019-10-13 23:10:42,053 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d1687ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:10:42, skipping insertion in model container [2019-10-13 23:10:42,053 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:10:36" (2/3) ... [2019-10-13 23:10:42,054 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d1687ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:10:42, skipping insertion in model container [2019-10-13 23:10:42,054 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:10:42" (3/3) ... [2019-10-13 23:10:42,056 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec4_product31.cil.c [2019-10-13 23:10:42,066 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 23:10:42,076 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 23:10:42,087 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 23:10:42,118 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 23:10:42,118 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 23:10:42,118 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 23:10:42,119 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 23:10:42,119 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 23:10:42,119 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 23:10:42,119 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 23:10:42,119 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 23:10:42,148 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states. [2019-10-13 23:10:42,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2019-10-13 23:10:42,165 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:10:42,167 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-13 23:10:42,169 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:10:42,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:10:42,175 INFO L82 PathProgramCache]: Analyzing trace with hash 962481259, now seen corresponding path program 1 times [2019-10-13 23:10:42,183 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:10:42,184 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671976593] [2019-10-13 23:10:42,184 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:10:42,184 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:10:42,185 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:10:42,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:10:42,749 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-13 23:10:42,750 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671976593] [2019-10-13 23:10:42,751 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:10:42,751 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 23:10:42,751 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670083555] [2019-10-13 23:10:42,758 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 23:10:42,758 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:10:42,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 23:10:42,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 23:10:42,775 INFO L87 Difference]: Start difference. First operand 410 states. Second operand 2 states. [2019-10-13 23:10:42,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:10:42,848 INFO L93 Difference]: Finished difference Result 628 states and 744 transitions. [2019-10-13 23:10:42,848 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 23:10:42,849 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 129 [2019-10-13 23:10:42,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:10:42,870 INFO L225 Difference]: With dead ends: 628 [2019-10-13 23:10:42,870 INFO L226 Difference]: Without dead ends: 389 [2019-10-13 23:10:42,877 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 23:10:42,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2019-10-13 23:10:42,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 389. [2019-10-13 23:10:42,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 389 states. [2019-10-13 23:10:42,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 460 transitions. [2019-10-13 23:10:42,968 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 460 transitions. Word has length 129 [2019-10-13 23:10:42,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:10:42,970 INFO L462 AbstractCegarLoop]: Abstraction has 389 states and 460 transitions. [2019-10-13 23:10:42,970 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 23:10:42,970 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 460 transitions. [2019-10-13 23:10:42,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2019-10-13 23:10:42,976 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:10:42,976 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-13 23:10:42,976 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:10:42,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:10:42,977 INFO L82 PathProgramCache]: Analyzing trace with hash 510617471, now seen corresponding path program 1 times [2019-10-13 23:10:42,977 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:10:42,977 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408809812] [2019-10-13 23:10:42,977 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:10:42,978 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:10:42,978 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:10:43,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:10:43,272 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-13 23:10:43,273 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408809812] [2019-10-13 23:10:43,273 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:10:43,273 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:10:43,274 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971309089] [2019-10-13 23:10:43,276 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:10:43,276 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:10:43,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:10:43,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:10:43,277 INFO L87 Difference]: Start difference. First operand 389 states and 460 transitions. Second operand 3 states. [2019-10-13 23:10:43,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:10:43,356 INFO L93 Difference]: Finished difference Result 613 states and 715 transitions. [2019-10-13 23:10:43,357 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:10:43,357 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 130 [2019-10-13 23:10:43,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:10:43,367 INFO L225 Difference]: With dead ends: 613 [2019-10-13 23:10:43,367 INFO L226 Difference]: Without dead ends: 391 [2019-10-13 23:10:43,372 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 [2019-10-13 23:10:43,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2019-10-13 23:10:43,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 391. [2019-10-13 23:10:43,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 391 states. [2019-10-13 23:10:43,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 462 transitions. [2019-10-13 23:10:43,435 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 462 transitions. Word has length 130 [2019-10-13 23:10:43,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:10:43,437 INFO L462 AbstractCegarLoop]: Abstraction has 391 states and 462 transitions. [2019-10-13 23:10:43,437 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:10:43,438 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 462 transitions. [2019-10-13 23:10:43,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2019-10-13 23:10:43,447 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:10:43,448 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-13 23:10:43,448 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:10:43,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:10:43,451 INFO L82 PathProgramCache]: Analyzing trace with hash 1948603177, now seen corresponding path program 1 times [2019-10-13 23:10:43,451 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:10:43,451 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172851468] [2019-10-13 23:10:43,451 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:10:43,451 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:10:43,452 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:10:43,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:10:43,688 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-13 23:10:43,689 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172851468] [2019-10-13 23:10:43,689 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:10:43,689 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:10:43,689 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522496580] [2019-10-13 23:10:43,690 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:10:43,690 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:10:43,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:10:43,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:10:43,691 INFO L87 Difference]: Start difference. First operand 391 states and 462 transitions. Second operand 3 states. [2019-10-13 23:10:43,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:10:43,753 INFO L93 Difference]: Finished difference Result 764 states and 931 transitions. [2019-10-13 23:10:43,754 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:10:43,754 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 135 [2019-10-13 23:10:43,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:10:43,761 INFO L225 Difference]: With dead ends: 764 [2019-10-13 23:10:43,761 INFO L226 Difference]: Without dead ends: 431 [2019-10-13 23:10:43,763 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 [2019-10-13 23:10:43,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2019-10-13 23:10:43,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 430. [2019-10-13 23:10:43,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 430 states. [2019-10-13 23:10:43,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 530 transitions. [2019-10-13 23:10:43,806 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 530 transitions. Word has length 135 [2019-10-13 23:10:43,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:10:43,807 INFO L462 AbstractCegarLoop]: Abstraction has 430 states and 530 transitions. [2019-10-13 23:10:43,808 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:10:43,808 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 530 transitions. [2019-10-13 23:10:43,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-10-13 23:10:43,817 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:10:43,819 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-13 23:10:43,820 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:10:43,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:10:43,820 INFO L82 PathProgramCache]: Analyzing trace with hash 2091251203, now seen corresponding path program 1 times [2019-10-13 23:10:43,820 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:10:43,821 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626511788] [2019-10-13 23:10:43,821 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:10:43,821 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:10:43,821 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:10:43,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:10:44,505 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-13 23:10:44,508 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626511788] [2019-10-13 23:10:44,508 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:10:44,509 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2019-10-13 23:10:44,509 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959691041] [2019-10-13 23:10:44,510 INFO L442 AbstractCegarLoop]: Interpolant automaton has 21 states [2019-10-13 23:10:44,510 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:10:44,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2019-10-13 23:10:44,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2019-10-13 23:10:44,512 INFO L87 Difference]: Start difference. First operand 430 states and 530 transitions. Second operand 21 states. [2019-10-13 23:10:54,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:10:54,408 INFO L93 Difference]: Finished difference Result 892 states and 1066 transitions. [2019-10-13 23:10:54,409 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2019-10-13 23:10:54,409 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 136 [2019-10-13 23:10:54,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:10:54,418 INFO L225 Difference]: With dead ends: 892 [2019-10-13 23:10:54,418 INFO L226 Difference]: Without dead ends: 664 [2019-10-13 23:10:54,420 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 243 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=195, Invalid=1527, Unknown=0, NotChecked=0, Total=1722 [2019-10-13 23:10:54,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 664 states. [2019-10-13 23:10:54,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 664 to 657. [2019-10-13 23:10:54,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 657 states. [2019-10-13 23:10:54,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 657 states and 795 transitions. [2019-10-13 23:10:54,496 INFO L78 Accepts]: Start accepts. Automaton has 657 states and 795 transitions. Word has length 136 [2019-10-13 23:10:54,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:10:54,499 INFO L462 AbstractCegarLoop]: Abstraction has 657 states and 795 transitions. [2019-10-13 23:10:54,499 INFO L463 AbstractCegarLoop]: Interpolant automaton has 21 states. [2019-10-13 23:10:54,500 INFO L276 IsEmpty]: Start isEmpty. Operand 657 states and 795 transitions. [2019-10-13 23:10:54,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2019-10-13 23:10:54,505 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:10:54,506 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-13 23:10:54,506 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:10:54,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:10:54,507 INFO L82 PathProgramCache]: Analyzing trace with hash 138808057, now seen corresponding path program 1 times [2019-10-13 23:10:54,507 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:10:54,508 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284846215] [2019-10-13 23:10:54,508 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:10:54,509 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:10:54,509 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:10:54,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:10:55,118 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-13 23:10:55,119 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284846215] [2019-10-13 23:10:55,119 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:10:55,119 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2019-10-13 23:10:55,119 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227423036] [2019-10-13 23:10:55,120 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2019-10-13 23:10:55,120 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:10:55,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2019-10-13 23:10:55,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=453, Unknown=0, NotChecked=0, Total=506 [2019-10-13 23:10:55,121 INFO L87 Difference]: Start difference. First operand 657 states and 795 transitions. Second operand 23 states. [2019-10-13 23:10:57,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:10:57,422 INFO L93 Difference]: Finished difference Result 735 states and 885 transitions. [2019-10-13 23:10:57,422 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2019-10-13 23:10:57,423 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 142 [2019-10-13 23:10:57,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:10:57,439 INFO L225 Difference]: With dead ends: 735 [2019-10-13 23:10:57,439 INFO L226 Difference]: Without dead ends: 699 [2019-10-13 23:10:57,441 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 369 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=213, Invalid=1949, Unknown=0, NotChecked=0, Total=2162 [2019-10-13 23:10:57,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 699 states. [2019-10-13 23:10:57,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 699 to 694. [2019-10-13 23:10:57,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 694 states. [2019-10-13 23:10:57,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 694 states and 832 transitions. [2019-10-13 23:10:57,492 INFO L78 Accepts]: Start accepts. Automaton has 694 states and 832 transitions. Word has length 142 [2019-10-13 23:10:57,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:10:57,494 INFO L462 AbstractCegarLoop]: Abstraction has 694 states and 832 transitions. [2019-10-13 23:10:57,494 INFO L463 AbstractCegarLoop]: Interpolant automaton has 23 states. [2019-10-13 23:10:57,494 INFO L276 IsEmpty]: Start isEmpty. Operand 694 states and 832 transitions. [2019-10-13 23:10:57,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2019-10-13 23:10:57,500 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:10:57,500 INFO L380 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:10:57,501 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:10:57,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:10:57,501 INFO L82 PathProgramCache]: Analyzing trace with hash 343790625, now seen corresponding path program 1 times [2019-10-13 23:10:57,501 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:10:57,502 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410200860] [2019-10-13 23:10:57,502 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:10:57,502 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:10:57,502 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:10:57,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:10:58,304 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2019-10-13 23:10:58,305 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410200860] [2019-10-13 23:10:58,305 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:10:58,305 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2019-10-13 23:10:58,305 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433917911] [2019-10-13 23:10:58,306 INFO L442 AbstractCegarLoop]: Interpolant automaton has 28 states [2019-10-13 23:10:58,306 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:10:58,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2019-10-13 23:10:58,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=691, Unknown=0, NotChecked=0, Total=756 [2019-10-13 23:10:58,307 INFO L87 Difference]: Start difference. First operand 694 states and 832 transitions. Second operand 28 states. [2019-10-13 23:11:10,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:11:10,379 INFO L93 Difference]: Finished difference Result 1415 states and 1674 transitions. [2019-10-13 23:11:10,380 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2019-10-13 23:11:10,380 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 250 [2019-10-13 23:11:10,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:11:10,389 INFO L225 Difference]: With dead ends: 1415 [2019-10-13 23:11:10,389 INFO L226 Difference]: Without dead ends: 1216 [2019-10-13 23:11:10,392 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 710 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=315, Invalid=3717, Unknown=0, NotChecked=0, Total=4032 [2019-10-13 23:11:10,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1216 states. [2019-10-13 23:11:10,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1216 to 1145. [2019-10-13 23:11:10,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1145 states. [2019-10-13 23:11:10,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1145 states to 1145 states and 1345 transitions. [2019-10-13 23:11:10,467 INFO L78 Accepts]: Start accepts. Automaton has 1145 states and 1345 transitions. Word has length 250 [2019-10-13 23:11:10,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:11:10,469 INFO L462 AbstractCegarLoop]: Abstraction has 1145 states and 1345 transitions. [2019-10-13 23:11:10,469 INFO L463 AbstractCegarLoop]: Interpolant automaton has 28 states. [2019-10-13 23:11:10,469 INFO L276 IsEmpty]: Start isEmpty. Operand 1145 states and 1345 transitions. [2019-10-13 23:11:10,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2019-10-13 23:11:10,480 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:11:10,480 INFO L380 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:11:10,480 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:11:10,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:11:10,481 INFO L82 PathProgramCache]: Analyzing trace with hash -1697795808, now seen corresponding path program 1 times [2019-10-13 23:11:10,481 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:11:10,481 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87404648] [2019-10-13 23:11:10,485 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:11:10,485 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:11:10,485 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:11:10,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:11:10,901 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2019-10-13 23:11:10,901 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87404648] [2019-10-13 23:11:10,901 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:11:10,902 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-13 23:11:10,902 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729712277] [2019-10-13 23:11:10,903 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-13 23:11:10,903 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:11:10,903 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-13 23:11:10,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-10-13 23:11:10,904 INFO L87 Difference]: Start difference. First operand 1145 states and 1345 transitions. Second operand 10 states. [2019-10-13 23:11:11,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:11:11,037 INFO L93 Difference]: Finished difference Result 1832 states and 2095 transitions. [2019-10-13 23:11:11,037 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-13 23:11:11,038 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 254 [2019-10-13 23:11:11,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:11:11,048 INFO L225 Difference]: With dead ends: 1832 [2019-10-13 23:11:11,048 INFO L226 Difference]: Without dead ends: 1185 [2019-10-13 23:11:11,052 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-10-13 23:11:11,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1185 states. [2019-10-13 23:11:11,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1185 to 1153. [2019-10-13 23:11:11,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1153 states. [2019-10-13 23:11:11,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1153 states to 1153 states and 1353 transitions. [2019-10-13 23:11:11,138 INFO L78 Accepts]: Start accepts. Automaton has 1153 states and 1353 transitions. Word has length 254 [2019-10-13 23:11:11,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:11:11,139 INFO L462 AbstractCegarLoop]: Abstraction has 1153 states and 1353 transitions. [2019-10-13 23:11:11,139 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-13 23:11:11,139 INFO L276 IsEmpty]: Start isEmpty. Operand 1153 states and 1353 transitions. [2019-10-13 23:11:11,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2019-10-13 23:11:11,148 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:11:11,148 INFO L380 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-10-13 23:11:11,148 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:11:11,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:11:11,149 INFO L82 PathProgramCache]: Analyzing trace with hash 924266258, now seen corresponding path program 1 times [2019-10-13 23:11:11,149 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:11:11,149 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988992580] [2019-10-13 23:11:11,149 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:11:11,150 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:11:11,150 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:11:11,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:11:11,481 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2019-10-13 23:11:11,481 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988992580] [2019-10-13 23:11:11,481 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:11:11,482 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-10-13 23:11:11,482 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834634105] [2019-10-13 23:11:11,483 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-13 23:11:11,484 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:11:11,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-13 23:11:11,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2019-10-13 23:11:11,485 INFO L87 Difference]: Start difference. First operand 1153 states and 1353 transitions. Second operand 11 states.