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 0.1.24-13a467a-m [2019-10-15 03:15:08,849 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 03:15:08,852 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 03:15:08,872 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 03:15:08,873 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 03:15:08,875 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 03:15:08,877 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 03:15:08,890 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 03:15:08,892 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 03:15:08,893 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 03:15:08,895 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 03:15:08,897 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 03:15:08,897 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 03:15:08,901 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 03:15:08,903 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 03:15:08,905 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 03:15:08,907 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 03:15:08,911 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 03:15:08,914 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 03:15:08,920 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 03:15:08,921 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 03:15:08,925 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 03:15:08,929 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 03:15:08,929 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 03:15:08,932 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 03:15:08,933 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 03:15:08,933 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 03:15:08,935 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 03:15:08,936 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 03:15:08,938 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 03:15:08,938 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 03:15:08,940 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 03:15:08,941 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 03:15:08,942 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 03:15:08,943 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 03:15:08,943 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 03:15:08,944 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 03:15:08,944 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 03:15:08,944 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 03:15:08,945 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 03:15:08,946 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 03:15:08,947 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 03:15:08,965 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 03:15:08,965 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 03:15:08,968 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 03:15:08,968 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 03:15:08,968 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 03:15:08,968 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 03:15:08,968 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 03:15:08,969 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 03:15:08,969 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 03:15:08,969 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 03:15:08,970 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 03:15:08,970 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 03:15:08,971 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 03:15:08,971 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 03:15:08,971 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 03:15:08,972 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 03:15:08,972 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 03:15:08,972 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 03:15:08,972 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 03:15:08,972 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 03:15:08,973 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 03:15:08,973 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 03:15:08,973 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 03:15:08,974 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 03:15:08,974 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 03:15:08,974 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 03:15:08,974 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 03:15:08,974 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 03:15:08,975 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 03:15:09,274 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 03:15:09,288 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 03:15:09,292 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 03:15:09,293 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 03:15:09,294 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 03:15:09,295 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec4_product31.cil.c [2019-10-15 03:15:09,361 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/204e0153c/67d60c39d4344f4683206550394b1b37/FLAG36e480c2d [2019-10-15 03:15:10,008 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 03:15:10,008 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec4_product31.cil.c [2019-10-15 03:15:10,035 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/204e0153c/67d60c39d4344f4683206550394b1b37/FLAG36e480c2d [2019-10-15 03:15:10,165 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/204e0153c/67d60c39d4344f4683206550394b1b37 [2019-10-15 03:15:10,174 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 03:15:10,175 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 03:15:10,176 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 03:15:10,176 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 03:15:10,179 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 03:15:10,180 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:15:10" (1/1) ... [2019-10-15 03:15:10,183 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2322f431 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:15:10, skipping insertion in model container [2019-10-15 03:15:10,183 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:15:10" (1/1) ... [2019-10-15 03:15:10,191 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 03:15:10,282 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 03:15:11,060 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:15:11,082 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 03:15:11,220 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:15:11,344 INFO L192 MainTranslator]: Completed translation [2019-10-15 03:15:11,345 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:15:11 WrapperNode [2019-10-15 03:15:11,346 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 03:15:11,347 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 03:15:11,347 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 03:15:11,347 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 03:15:11,363 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:15:11" (1/1) ... [2019-10-15 03:15:11,363 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:15:11" (1/1) ... [2019-10-15 03:15:11,412 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:15:11" (1/1) ... [2019-10-15 03:15:11,412 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:15:11" (1/1) ... [2019-10-15 03:15:11,495 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:15:11" (1/1) ... [2019-10-15 03:15:11,526 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:15:11" (1/1) ... [2019-10-15 03:15:11,538 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:15:11" (1/1) ... [2019-10-15 03:15:11,556 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 03:15:11,557 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 03:15:11,557 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 03:15:11,557 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 03:15:11,558 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:15:11" (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 03:15:11,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 03:15:11,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 03:15:11,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 03:15:11,630 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-15 03:15:11,631 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-15 03:15:11,631 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-15 03:15:11,631 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-15 03:15:11,631 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-15 03:15:11,631 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-15 03:15:11,632 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-15 03:15:11,632 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-15 03:15:11,632 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-15 03:15:11,632 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-15 03:15:11,632 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-15 03:15:11,633 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-15 03:15:11,633 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-15 03:15:11,633 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-15 03:15:11,633 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-15 03:15:11,633 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-15 03:15:11,634 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-15 03:15:11,634 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-15 03:15:11,634 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-15 03:15:11,634 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-15 03:15:11,634 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-15 03:15:11,635 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-15 03:15:11,635 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-15 03:15:11,635 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-15 03:15:11,635 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-15 03:15:11,635 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-15 03:15:11,635 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-15 03:15:11,636 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-15 03:15:11,636 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-15 03:15:11,636 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 03:15:11,636 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 03:15:11,636 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 03:15:11,636 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 03:15:11,637 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 03:15:11,637 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 03:15:11,637 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 03:15:11,637 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-15 03:15:11,637 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-15 03:15:11,637 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-15 03:15:11,638 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-15 03:15:11,638 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-15 03:15:11,638 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-15 03:15:11,638 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-15 03:15:11,638 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-15 03:15:11,638 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 03:15:11,639 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 03:15:11,639 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-15 03:15:11,639 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-15 03:15:11,639 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-15 03:15:11,639 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-15 03:15:11,639 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-15 03:15:11,639 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-15 03:15:11,640 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-15 03:15:11,640 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-15 03:15:11,640 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-15 03:15:11,640 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-15 03:15:11,640 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-15 03:15:11,640 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-15 03:15:11,641 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-15 03:15:11,641 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-15 03:15:11,641 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-15 03:15:11,641 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-15 03:15:11,641 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-15 03:15:11,641 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-15 03:15:11,641 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-15 03:15:11,642 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-15 03:15:11,642 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-15 03:15:11,642 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-15 03:15:11,642 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-15 03:15:11,642 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-15 03:15:11,642 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-15 03:15:11,643 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-15 03:15:11,643 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-15 03:15:11,643 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-15 03:15:11,643 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-15 03:15:11,643 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-15 03:15:11,643 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-15 03:15:11,644 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-15 03:15:11,644 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-15 03:15:11,644 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2019-10-15 03:15:11,644 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-15 03:15:11,644 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-15 03:15:11,644 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-15 03:15:11,645 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-10-15 03:15:11,645 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-10-15 03:15:11,645 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-15 03:15:11,645 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-15 03:15:11,645 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-15 03:15:11,645 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-15 03:15:11,645 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-15 03:15:11,646 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-15 03:15:11,646 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-15 03:15:11,646 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-15 03:15:11,646 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-15 03:15:11,646 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-15 03:15:11,646 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-15 03:15:11,646 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-15 03:15:11,647 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignForward_spec__1 [2019-10-15 03:15:11,647 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-15 03:15:11,647 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Encrypt [2019-10-15 03:15:11,647 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2019-10-15 03:15:11,647 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-15 03:15:11,647 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-15 03:15:11,648 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-15 03:15:11,648 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-15 03:15:11,648 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-15 03:15:11,648 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 03:15:11,648 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 03:15:11,648 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 03:15:11,648 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 03:15:11,648 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-15 03:15:11,649 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 03:15:11,649 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 03:15:11,649 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 03:15:11,649 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-15 03:15:11,649 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-15 03:15:11,649 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-15 03:15:11,650 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-15 03:15:11,650 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-15 03:15:11,650 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-15 03:15:11,650 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-15 03:15:11,650 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-15 03:15:11,650 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-15 03:15:11,651 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-15 03:15:11,651 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-15 03:15:11,651 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-15 03:15:11,651 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-15 03:15:11,651 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-15 03:15:11,651 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-15 03:15:11,651 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-15 03:15:11,652 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-15 03:15:11,652 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-15 03:15:11,652 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-15 03:15:11,652 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-15 03:15:11,652 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-15 03:15:11,652 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-15 03:15:11,653 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-15 03:15:11,653 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-15 03:15:11,653 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-15 03:15:11,653 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-15 03:15:11,653 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-15 03:15:11,653 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-15 03:15:11,654 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-15 03:15:11,654 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 03:15:11,654 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 03:15:11,654 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 03:15:11,654 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 03:15:11,654 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 03:15:11,654 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 03:15:11,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 03:15:11,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 03:15:11,655 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 03:15:11,655 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 03:15:11,655 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 03:15:11,655 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 03:15:11,655 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 03:15:11,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 03:15:11,656 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 03:15:11,656 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 03:15:11,656 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 03:15:11,656 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 03:15:11,656 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 03:15:11,656 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-15 03:15:11,657 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 03:15:11,657 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 03:15:11,657 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 03:15:11,657 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-15 03:15:11,657 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-15 03:15:11,657 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-15 03:15:11,657 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-15 03:15:11,658 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-15 03:15:11,658 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-15 03:15:11,658 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-15 03:15:11,658 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-15 03:15:11,658 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-15 03:15:11,658 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-15 03:15:11,659 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-15 03:15:11,659 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 03:15:11,659 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 03:15:11,659 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 03:15:11,659 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-15 03:15:11,659 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-15 03:15:11,659 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-15 03:15:11,660 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-15 03:15:11,660 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-15 03:15:11,660 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-15 03:15:11,660 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-15 03:15:11,660 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-15 03:15:11,660 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-15 03:15:11,661 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-15 03:15:11,661 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-15 03:15:11,661 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-15 03:15:11,661 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-15 03:15:11,661 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-15 03:15:11,661 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-15 03:15:11,662 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-15 03:15:11,662 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-15 03:15:11,662 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-15 03:15:11,662 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-15 03:15:11,662 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-15 03:15:11,662 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-15 03:15:11,663 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-15 03:15:11,663 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-15 03:15:11,663 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-15 03:15:11,663 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-15 03:15:11,663 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-15 03:15:11,663 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-15 03:15:11,664 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-15 03:15:11,664 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-15 03:15:11,664 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-15 03:15:11,664 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-15 03:15:11,664 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-15 03:15:11,664 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-15 03:15:11,665 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-15 03:15:11,665 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-15 03:15:11,665 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-15 03:15:11,665 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-15 03:15:11,665 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-15 03:15:11,665 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-15 03:15:11,666 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-15 03:15:11,666 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-15 03:15:11,666 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-15 03:15:11,666 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-15 03:15:11,666 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-15 03:15:11,666 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-15 03:15:11,667 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-15 03:15:11,667 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignForward_spec__1 [2019-10-15 03:15:11,667 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-15 03:15:11,667 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2019-10-15 03:15:11,667 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-15 03:15:11,667 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-10-15 03:15:11,668 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-10-15 03:15:11,668 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-15 03:15:11,668 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-15 03:15:11,668 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Encrypt [2019-10-15 03:15:11,668 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2019-10-15 03:15:11,668 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-15 03:15:11,668 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 03:15:11,669 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-15 03:15:11,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 03:15:11,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 03:15:11,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 03:15:16,393 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 03:15:16,393 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-15 03:15:16,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:15:16 BoogieIcfgContainer [2019-10-15 03:15:16,395 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 03:15:16,395 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 03:15:16,396 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 03:15:16,399 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 03:15:16,399 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 03:15:10" (1/3) ... [2019-10-15 03:15:16,400 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46b45319 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:15:16, skipping insertion in model container [2019-10-15 03:15:16,400 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:15:11" (2/3) ... [2019-10-15 03:15:16,400 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46b45319 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:15:16, skipping insertion in model container [2019-10-15 03:15:16,401 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:15:16" (3/3) ... [2019-10-15 03:15:16,402 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec4_product31.cil.c [2019-10-15 03:15:16,412 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 03:15:16,421 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 03:15:16,433 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 03:15:16,467 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 03:15:16,467 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 03:15:16,467 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 03:15:16,467 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 03:15:16,467 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 03:15:16,467 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 03:15:16,468 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 03:15:16,468 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 03:15:16,506 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states. [2019-10-15 03:15:16,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2019-10-15 03:15:16,525 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:15:16,526 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] [2019-10-15 03:15:16,529 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:15:16,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:15:16,535 INFO L82 PathProgramCache]: Analyzing trace with hash 962481259, now seen corresponding path program 1 times [2019-10-15 03:15:16,544 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:15:16,545 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082616716] [2019-10-15 03:15:16,545 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:15:16,545 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:15:16,545 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:15:16,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:15:17,207 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-15 03:15:17,208 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082616716] [2019-10-15 03:15:17,209 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:15:17,209 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 03:15:17,210 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150181190] [2019-10-15 03:15:17,218 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 03:15:17,218 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:15:17,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 03:15:17,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 03:15:17,235 INFO L87 Difference]: Start difference. First operand 410 states. Second operand 2 states. [2019-10-15 03:15:17,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:15:17,316 INFO L93 Difference]: Finished difference Result 628 states and 744 transitions. [2019-10-15 03:15:17,316 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 03:15:17,318 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 129 [2019-10-15 03:15:17,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:15:17,357 INFO L225 Difference]: With dead ends: 628 [2019-10-15 03:15:17,358 INFO L226 Difference]: Without dead ends: 389 [2019-10-15 03:15:17,370 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 [2019-10-15 03:15:17,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2019-10-15 03:15:17,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 389. [2019-10-15 03:15:17,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 389 states. [2019-10-15 03:15:17,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 460 transitions. [2019-10-15 03:15:17,493 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 460 transitions. Word has length 129 [2019-10-15 03:15:17,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:15:17,498 INFO L462 AbstractCegarLoop]: Abstraction has 389 states and 460 transitions. [2019-10-15 03:15:17,498 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 03:15:17,499 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 460 transitions. [2019-10-15 03:15:17,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2019-10-15 03:15:17,509 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:15:17,509 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] [2019-10-15 03:15:17,509 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:15:17,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:15:17,510 INFO L82 PathProgramCache]: Analyzing trace with hash 510617471, now seen corresponding path program 1 times [2019-10-15 03:15:17,510 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:15:17,511 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794365827] [2019-10-15 03:15:17,512 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:15:17,512 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:15:17,512 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:15:17,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:15:17,773 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-15 03:15:17,774 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794365827] [2019-10-15 03:15:17,774 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:15:17,774 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:15:17,774 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131825518] [2019-10-15 03:15:17,776 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:15:17,777 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:15:17,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:15:17,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:15:17,777 INFO L87 Difference]: Start difference. First operand 389 states and 460 transitions. Second operand 3 states. [2019-10-15 03:15:17,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:15:17,834 INFO L93 Difference]: Finished difference Result 613 states and 715 transitions. [2019-10-15 03:15:17,834 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:15:17,834 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 130 [2019-10-15 03:15:17,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:15:17,843 INFO L225 Difference]: With dead ends: 613 [2019-10-15 03:15:17,844 INFO L226 Difference]: Without dead ends: 391 [2019-10-15 03:15:17,848 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 03:15:17,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2019-10-15 03:15:17,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 391. [2019-10-15 03:15:17,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 391 states. [2019-10-15 03:15:17,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 462 transitions. [2019-10-15 03:15:17,898 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 462 transitions. Word has length 130 [2019-10-15 03:15:17,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:15:17,901 INFO L462 AbstractCegarLoop]: Abstraction has 391 states and 462 transitions. [2019-10-15 03:15:17,901 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:15:17,901 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 462 transitions. [2019-10-15 03:15:17,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2019-10-15 03:15:17,914 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:15:17,915 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] [2019-10-15 03:15:17,915 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:15:17,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:15:17,916 INFO L82 PathProgramCache]: Analyzing trace with hash 1948603177, now seen corresponding path program 1 times [2019-10-15 03:15:17,916 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:15:17,916 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085516373] [2019-10-15 03:15:17,916 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:15:17,916 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:15:17,917 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:15:18,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:15:18,236 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-15 03:15:18,237 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085516373] [2019-10-15 03:15:18,237 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:15:18,237 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:15:18,237 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915145659] [2019-10-15 03:15:18,240 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:15:18,240 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:15:18,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:15:18,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:15:18,241 INFO L87 Difference]: Start difference. First operand 391 states and 462 transitions. Second operand 3 states. [2019-10-15 03:15:18,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:15:18,298 INFO L93 Difference]: Finished difference Result 764 states and 931 transitions. [2019-10-15 03:15:18,298 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:15:18,298 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 135 [2019-10-15 03:15:18,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:15:18,307 INFO L225 Difference]: With dead ends: 764 [2019-10-15 03:15:18,307 INFO L226 Difference]: Without dead ends: 431 [2019-10-15 03:15:18,309 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 03:15:18,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2019-10-15 03:15:18,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 430. [2019-10-15 03:15:18,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 430 states. [2019-10-15 03:15:18,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 530 transitions. [2019-10-15 03:15:18,336 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 530 transitions. Word has length 135 [2019-10-15 03:15:18,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:15:18,336 INFO L462 AbstractCegarLoop]: Abstraction has 430 states and 530 transitions. [2019-10-15 03:15:18,337 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:15:18,337 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 530 transitions. [2019-10-15 03:15:18,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-10-15 03:15:18,340 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:15:18,340 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] [2019-10-15 03:15:18,340 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:15:18,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:15:18,341 INFO L82 PathProgramCache]: Analyzing trace with hash 2091251203, now seen corresponding path program 1 times [2019-10-15 03:15:18,341 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:15:18,341 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422529149] [2019-10-15 03:15:18,341 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:15:18,341 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:15:18,342 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:15:18,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:15:18,961 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-15 03:15:18,962 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422529149] [2019-10-15 03:15:18,962 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:15:18,962 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2019-10-15 03:15:18,962 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154673978] [2019-10-15 03:15:18,963 INFO L442 AbstractCegarLoop]: Interpolant automaton has 21 states [2019-10-15 03:15:18,963 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:15:18,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2019-10-15 03:15:18,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2019-10-15 03:15:18,964 INFO L87 Difference]: Start difference. First operand 430 states and 530 transitions. Second operand 21 states. [2019-10-15 03:15:27,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:15:28,000 INFO L93 Difference]: Finished difference Result 892 states and 1066 transitions. [2019-10-15 03:15:28,000 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2019-10-15 03:15:28,000 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 136 [2019-10-15 03:15:28,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:15:28,007 INFO L225 Difference]: With dead ends: 892 [2019-10-15 03:15:28,008 INFO L226 Difference]: Without dead ends: 664 [2019-10-15 03:15:28,010 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 243 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=195, Invalid=1527, Unknown=0, NotChecked=0, Total=1722 [2019-10-15 03:15:28,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 664 states. [2019-10-15 03:15:28,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 664 to 657. [2019-10-15 03:15:28,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 657 states. [2019-10-15 03:15:28,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 657 states and 795 transitions. [2019-10-15 03:15:28,073 INFO L78 Accepts]: Start accepts. Automaton has 657 states and 795 transitions. Word has length 136 [2019-10-15 03:15:28,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:15:28,074 INFO L462 AbstractCegarLoop]: Abstraction has 657 states and 795 transitions. [2019-10-15 03:15:28,074 INFO L463 AbstractCegarLoop]: Interpolant automaton has 21 states. [2019-10-15 03:15:28,074 INFO L276 IsEmpty]: Start isEmpty. Operand 657 states and 795 transitions. [2019-10-15 03:15:28,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2019-10-15 03:15:28,082 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:15:28,083 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] [2019-10-15 03:15:28,083 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:15:28,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:15:28,084 INFO L82 PathProgramCache]: Analyzing trace with hash 138808057, now seen corresponding path program 1 times [2019-10-15 03:15:28,084 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:15:28,085 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478992779] [2019-10-15 03:15:28,085 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:15:28,086 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:15:28,086 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:15:28,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:15:28,673 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-15 03:15:28,674 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478992779] [2019-10-15 03:15:28,674 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:15:28,674 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2019-10-15 03:15:28,675 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207792402] [2019-10-15 03:15:28,675 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2019-10-15 03:15:28,675 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:15:28,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2019-10-15 03:15:28,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=453, Unknown=0, NotChecked=0, Total=506 [2019-10-15 03:15:28,678 INFO L87 Difference]: Start difference. First operand 657 states and 795 transitions. Second operand 23 states. [2019-10-15 03:15:30,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:15:30,841 INFO L93 Difference]: Finished difference Result 735 states and 885 transitions. [2019-10-15 03:15:30,841 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2019-10-15 03:15:30,841 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 142 [2019-10-15 03:15:30,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:15:30,852 INFO L225 Difference]: With dead ends: 735 [2019-10-15 03:15:30,853 INFO L226 Difference]: Without dead ends: 699 [2019-10-15 03:15:30,855 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 369 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=213, Invalid=1949, Unknown=0, NotChecked=0, Total=2162 [2019-10-15 03:15:30,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 699 states. [2019-10-15 03:15:30,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 699 to 694. [2019-10-15 03:15:30,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 694 states. [2019-10-15 03:15:30,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 694 states and 832 transitions. [2019-10-15 03:15:30,896 INFO L78 Accepts]: Start accepts. Automaton has 694 states and 832 transitions. Word has length 142 [2019-10-15 03:15:30,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:15:30,899 INFO L462 AbstractCegarLoop]: Abstraction has 694 states and 832 transitions. [2019-10-15 03:15:30,899 INFO L463 AbstractCegarLoop]: Interpolant automaton has 23 states. [2019-10-15 03:15:30,899 INFO L276 IsEmpty]: Start isEmpty. Operand 694 states and 832 transitions. [2019-10-15 03:15:30,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2019-10-15 03:15:30,906 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:15:30,906 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] [2019-10-15 03:15:30,907 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:15:30,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:15:30,907 INFO L82 PathProgramCache]: Analyzing trace with hash 343790625, now seen corresponding path program 1 times [2019-10-15 03:15:30,907 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:15:30,907 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765386138] [2019-10-15 03:15:30,908 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:15:30,908 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:15:30,908 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:15:30,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:15:31,741 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2019-10-15 03:15:31,742 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765386138] [2019-10-15 03:15:31,743 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:15:31,743 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2019-10-15 03:15:31,744 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784511492] [2019-10-15 03:15:31,745 INFO L442 AbstractCegarLoop]: Interpolant automaton has 28 states [2019-10-15 03:15:31,746 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:15:31,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2019-10-15 03:15:31,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=691, Unknown=0, NotChecked=0, Total=756 [2019-10-15 03:15:31,747 INFO L87 Difference]: Start difference. First operand 694 states and 832 transitions. Second operand 28 states. [2019-10-15 03:15:42,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:15:42,748 INFO L93 Difference]: Finished difference Result 1415 states and 1674 transitions. [2019-10-15 03:15:42,749 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2019-10-15 03:15:42,750 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 250 [2019-10-15 03:15:42,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:15:42,757 INFO L225 Difference]: With dead ends: 1415 [2019-10-15 03:15:42,757 INFO L226 Difference]: Without dead ends: 1216 [2019-10-15 03:15:42,760 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 [2019-10-15 03:15:42,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1216 states. [2019-10-15 03:15:42,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1216 to 1145. [2019-10-15 03:15:42,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1145 states. [2019-10-15 03:15:42,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1145 states to 1145 states and 1345 transitions. [2019-10-15 03:15:42,824 INFO L78 Accepts]: Start accepts. Automaton has 1145 states and 1345 transitions. Word has length 250 [2019-10-15 03:15:42,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:15:42,824 INFO L462 AbstractCegarLoop]: Abstraction has 1145 states and 1345 transitions. [2019-10-15 03:15:42,825 INFO L463 AbstractCegarLoop]: Interpolant automaton has 28 states. [2019-10-15 03:15:42,825 INFO L276 IsEmpty]: Start isEmpty. Operand 1145 states and 1345 transitions. [2019-10-15 03:15:42,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2019-10-15 03:15:42,832 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:15:42,832 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] [2019-10-15 03:15:42,833 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:15:42,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:15:42,833 INFO L82 PathProgramCache]: Analyzing trace with hash -1697795808, now seen corresponding path program 1 times [2019-10-15 03:15:42,833 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:15:42,834 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645602024] [2019-10-15 03:15:42,834 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:15:42,834 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:15:42,834 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:15:42,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:15:43,062 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2019-10-15 03:15:43,062 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645602024] [2019-10-15 03:15:43,062 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:15:43,063 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-15 03:15:43,063 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781120262] [2019-10-15 03:15:43,063 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-15 03:15:43,064 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:15:43,064 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-15 03:15:43,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-10-15 03:15:43,064 INFO L87 Difference]: Start difference. First operand 1145 states and 1345 transitions. Second operand 10 states. [2019-10-15 03:15:43,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:15:43,152 INFO L93 Difference]: Finished difference Result 1832 states and 2095 transitions. [2019-10-15 03:15:43,153 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-15 03:15:43,153 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 254 [2019-10-15 03:15:43,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:15:43,161 INFO L225 Difference]: With dead ends: 1832 [2019-10-15 03:15:43,161 INFO L226 Difference]: Without dead ends: 1185 [2019-10-15 03:15:43,163 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 [2019-10-15 03:15:43,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1185 states. [2019-10-15 03:15:43,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1185 to 1153. [2019-10-15 03:15:43,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1153 states. [2019-10-15 03:15:43,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1153 states to 1153 states and 1353 transitions. [2019-10-15 03:15:43,225 INFO L78 Accepts]: Start accepts. Automaton has 1153 states and 1353 transitions. Word has length 254 [2019-10-15 03:15:43,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:15:43,226 INFO L462 AbstractCegarLoop]: Abstraction has 1153 states and 1353 transitions. [2019-10-15 03:15:43,226 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-15 03:15:43,226 INFO L276 IsEmpty]: Start isEmpty. Operand 1153 states and 1353 transitions. [2019-10-15 03:15:43,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2019-10-15 03:15:43,234 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:15:43,234 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] [2019-10-15 03:15:43,234 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:15:43,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:15:43,235 INFO L82 PathProgramCache]: Analyzing trace with hash 924266258, now seen corresponding path program 1 times [2019-10-15 03:15:43,235 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:15:43,235 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647741084] [2019-10-15 03:15:43,236 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:15:43,236 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:15:43,236 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:15:43,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:15:43,565 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2019-10-15 03:15:43,566 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647741084] [2019-10-15 03:15:43,566 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:15:43,566 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-10-15 03:15:43,567 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402343352] [2019-10-15 03:15:43,568 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-15 03:15:43,568 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:15:43,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-15 03:15:43,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2019-10-15 03:15:43,569 INFO L87 Difference]: Start difference. First operand 1153 states and 1353 transitions. Second operand 11 states.