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_product29.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 03:15:07,866 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 03:15:07,869 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 03:15:07,889 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 03:15:07,889 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 03:15:07,891 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 03:15:07,893 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 03:15:07,903 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 03:15:07,908 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 03:15:07,911 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 03:15:07,912 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 03:15:07,914 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 03:15:07,914 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 03:15:07,916 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 03:15:07,918 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 03:15:07,919 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 03:15:07,921 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 03:15:07,922 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 03:15:07,923 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 03:15:07,928 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 03:15:07,932 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 03:15:07,935 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 03:15:07,938 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 03:15:07,939 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 03:15:07,941 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 03:15:07,941 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 03:15:07,941 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 03:15:07,943 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 03:15:07,944 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 03:15:07,945 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 03:15:07,945 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 03:15:07,947 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 03:15:07,948 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 03:15:07,949 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 03:15:07,950 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 03:15:07,950 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 03:15:07,951 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 03:15:07,951 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 03:15:07,951 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 03:15:07,952 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 03:15:07,953 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 03:15:07,954 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 03:15:07,979 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 03:15:07,980 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 03:15:07,981 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 03:15:07,984 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 03:15:07,984 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 03:15:07,984 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 03:15:07,984 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 03:15:07,985 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 03:15:07,985 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 03:15:07,985 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 03:15:07,986 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 03:15:07,986 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 03:15:07,986 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 03:15:07,986 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 03:15:07,987 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 03:15:07,987 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 03:15:07,988 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 03:15:07,989 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 03:15:07,989 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 03:15:07,989 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 03:15:07,989 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 03:15:07,989 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 03:15:07,990 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 03:15:07,990 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 03:15:07,990 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 03:15:07,994 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 03:15:07,994 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 03:15:07,995 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 03:15:07,995 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 03:15:08,265 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 03:15:08,281 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 03:15:08,285 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 03:15:08,286 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 03:15:08,287 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 03:15:08,287 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec4_product29.cil.c [2019-10-15 03:15:08,366 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3dd2bb832/4cbd3f3eccf74619b5a8a20cb2abd6be/FLAG4b91d9c7d [2019-10-15 03:15:09,057 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 03:15:09,058 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec4_product29.cil.c [2019-10-15 03:15:09,091 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3dd2bb832/4cbd3f3eccf74619b5a8a20cb2abd6be/FLAG4b91d9c7d [2019-10-15 03:15:09,181 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3dd2bb832/4cbd3f3eccf74619b5a8a20cb2abd6be [2019-10-15 03:15:09,195 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 03:15:09,196 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 03:15:09,198 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 03:15:09,198 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 03:15:09,202 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 03:15:09,203 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:15:09" (1/1) ... [2019-10-15 03:15:09,206 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7492c7de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:15:09, skipping insertion in model container [2019-10-15 03:15:09,207 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:15:09" (1/1) ... [2019-10-15 03:15:09,215 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 03:15:09,288 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 03:15:10,000 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:15:10,033 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 03:15:10,209 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:15:10,328 INFO L192 MainTranslator]: Completed translation [2019-10-15 03:15:10,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:15:10 WrapperNode [2019-10-15 03:15:10,329 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 03:15:10,329 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 03:15:10,330 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 03:15:10,330 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 03:15:10,344 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:15:10" (1/1) ... [2019-10-15 03:15:10,345 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:15:10" (1/1) ... [2019-10-15 03:15:10,381 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:15:10" (1/1) ... [2019-10-15 03:15:10,384 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:15:10" (1/1) ... [2019-10-15 03:15:10,462 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:15:10" (1/1) ... [2019-10-15 03:15:10,497 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:15:10" (1/1) ... [2019-10-15 03:15:10,510 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:15:10" (1/1) ... [2019-10-15 03:15:10,540 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 03:15:10,541 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 03:15:10,543 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 03:15:10,543 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 03:15:10,545 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:15:10" (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 03:15:10,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 03:15:10,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 03:15:10,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 03:15:10,627 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-15 03:15:10,627 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-15 03:15:10,628 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-15 03:15:10,629 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-15 03:15:10,629 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-15 03:15:10,630 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-15 03:15:10,630 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-15 03:15:10,630 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-15 03:15:10,631 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 03:15:10,631 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 03:15:10,631 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-15 03:15:10,632 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-15 03:15:10,632 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-15 03:15:10,634 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-15 03:15:10,634 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-15 03:15:10,635 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-15 03:15:10,635 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-15 03:15:10,635 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-15 03:15:10,636 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-15 03:15:10,636 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-15 03:15:10,636 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 03:15:10,636 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 03:15:10,636 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 03:15:10,637 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 03:15:10,637 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 03:15:10,637 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 03:15:10,637 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-15 03:15:10,637 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2019-10-15 03:15:10,638 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2019-10-15 03:15:10,638 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-15 03:15:10,638 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-15 03:15:10,638 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-15 03:15:10,639 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-15 03:15:10,639 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-15 03:15:10,639 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-15 03:15:10,639 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-15 03:15:10,639 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-15 03:15:10,639 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-15 03:15:10,640 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-15 03:15:10,640 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-15 03:15:10,640 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-15 03:15:10,640 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-15 03:15:10,640 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-15 03:15:10,641 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-15 03:15:10,641 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-15 03:15:10,641 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-15 03:15:10,641 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-15 03:15:10,641 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-15 03:15:10,641 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-15 03:15:10,642 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-15 03:15:10,642 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-15 03:15:10,642 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-15 03:15:10,642 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-15 03:15:10,642 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-15 03:15:10,643 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-15 03:15:10,643 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-15 03:15:10,644 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-15 03:15:10,644 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-15 03:15:10,644 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-15 03:15:10,644 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-15 03:15:10,645 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-15 03:15:10,645 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-15 03:15:10,645 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-15 03:15:10,645 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 03:15:10,645 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 03:15:10,645 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 03:15:10,646 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 03:15:10,646 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-15 03:15:10,646 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-15 03:15:10,646 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-15 03:15:10,647 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-15 03:15:10,647 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-15 03:15:10,647 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-15 03:15:10,648 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-15 03:15:10,648 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-15 03:15:10,648 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-15 03:15:10,649 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-15 03:15:10,649 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-15 03:15:10,650 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-15 03:15:10,650 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-15 03:15:10,650 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-15 03:15:10,650 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-15 03:15:10,650 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-15 03:15:10,651 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-15 03:15:10,651 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-15 03:15:10,651 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-15 03:15:10,651 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-15 03:15:10,651 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-15 03:15:10,652 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-15 03:15:10,652 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 03:15:10,652 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 03:15:10,652 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignForward_spec__1 [2019-10-15 03:15:10,652 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-15 03:15:10,652 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-15 03:15:10,652 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2019-10-15 03:15:10,653 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2019-10-15 03:15:10,653 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-15 03:15:10,653 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-15 03:15:10,653 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-15 03:15:10,653 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-10-15 03:15:10,653 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-15 03:15:10,653 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-15 03:15:10,653 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-15 03:15:10,654 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-15 03:15:10,654 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-15 03:15:10,654 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-15 03:15:10,654 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-15 03:15:10,654 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-15 03:15:10,654 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-15 03:15:10,654 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-15 03:15:10,655 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-15 03:15:10,655 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-15 03:15:10,655 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 03:15:10,655 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 03:15:10,656 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 03:15:10,656 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-15 03:15:10,656 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-15 03:15:10,656 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-15 03:15:10,657 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-15 03:15:10,657 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-15 03:15:10,657 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-15 03:15:10,658 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-15 03:15:10,658 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-15 03:15:10,658 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-15 03:15:10,658 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-15 03:15:10,658 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-15 03:15:10,658 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 03:15:10,659 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 03:15:10,659 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 03:15:10,659 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-15 03:15:10,660 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-15 03:15:10,663 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-15 03:15:10,663 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-15 03:15:10,664 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-15 03:15:10,664 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-15 03:15:10,665 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-15 03:15:10,665 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-15 03:15:10,665 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-15 03:15:10,665 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-15 03:15:10,665 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-15 03:15:10,666 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 03:15:10,673 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 03:15:10,673 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 03:15:10,673 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-15 03:15:10,674 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-15 03:15:10,674 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-15 03:15:10,674 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-15 03:15:10,674 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-15 03:15:10,674 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-15 03:15:10,674 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-15 03:15:10,674 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-15 03:15:10,675 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-15 03:15:10,675 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-15 03:15:10,675 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-15 03:15:10,675 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-15 03:15:10,675 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-15 03:15:10,676 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 03:15:10,676 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 03:15:10,676 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 03:15:10,676 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 03:15:10,676 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 03:15:10,676 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 03:15:10,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 03:15:10,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 03:15:10,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 03:15:10,677 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 03:15:10,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 03:15:10,677 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 03:15:10,677 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 03:15:10,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 03:15:10,677 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 03:15:10,678 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 03:15:10,678 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 03:15:10,678 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-15 03:15:10,678 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-15 03:15:10,678 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-15 03:15:10,678 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-15 03:15:10,678 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-15 03:15:10,679 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-15 03:15:10,679 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-15 03:15:10,679 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-15 03:15:10,679 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-15 03:15:10,679 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-15 03:15:10,679 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-15 03:15:10,679 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-15 03:15:10,679 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-15 03:15:10,679 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-15 03:15:10,680 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-15 03:15:10,680 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2019-10-15 03:15:10,680 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2019-10-15 03:15:10,680 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-15 03:15:10,680 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-15 03:15:10,680 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-15 03:15:10,680 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-15 03:15:10,680 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-15 03:15:10,681 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-15 03:15:10,681 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-15 03:15:10,681 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-15 03:15:10,681 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-15 03:15:10,681 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-15 03:15:10,681 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-15 03:15:10,681 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-15 03:15:10,681 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-15 03:15:10,681 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-15 03:15:10,682 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-15 03:15:10,682 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-15 03:15:10,682 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-15 03:15:10,682 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-15 03:15:10,682 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-15 03:15:10,682 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-15 03:15:10,682 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 03:15:10,682 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-15 03:15:10,683 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-15 03:15:10,683 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-15 03:15:10,683 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-15 03:15:10,683 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-15 03:15:10,683 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-15 03:15:10,683 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-15 03:15:10,683 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-15 03:15:10,683 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-15 03:15:10,684 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-15 03:15:10,684 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-15 03:15:10,684 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-15 03:15:10,684 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 03:15:10,684 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignForward_spec__1 [2019-10-15 03:15:10,684 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-15 03:15:10,684 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-15 03:15:10,684 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-15 03:15:10,685 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-15 03:15:10,685 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-15 03:15:10,685 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-15 03:15:10,685 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-15 03:15:10,685 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-15 03:15:10,685 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-15 03:15:10,685 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-15 03:15:10,686 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2019-10-15 03:15:10,686 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2019-10-15 03:15:10,686 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-15 03:15:10,686 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-10-15 03:15:10,686 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 03:15:10,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 03:15:10,686 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 03:15:15,434 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 03:15:15,434 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-15 03:15:15,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:15:15 BoogieIcfgContainer [2019-10-15 03:15:15,437 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 03:15:15,438 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 03:15:15,438 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 03:15:15,441 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 03:15:15,442 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 03:15:09" (1/3) ... [2019-10-15 03:15:15,442 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60e38af1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:15:15, skipping insertion in model container [2019-10-15 03:15:15,443 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:15:10" (2/3) ... [2019-10-15 03:15:15,443 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60e38af1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:15:15, skipping insertion in model container [2019-10-15 03:15:15,443 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:15:15" (3/3) ... [2019-10-15 03:15:15,445 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec4_product29.cil.c [2019-10-15 03:15:15,455 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 03:15:15,465 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 03:15:15,476 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 03:15:15,506 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 03:15:15,506 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 03:15:15,507 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 03:15:15,507 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 03:15:15,507 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 03:15:15,507 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 03:15:15,507 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 03:15:15,507 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 03:15:15,541 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states. [2019-10-15 03:15:15,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-10-15 03:15:15,558 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:15:15,560 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, 1, 1, 1, 1, 1, 1] [2019-10-15 03:15:15,562 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:15:15,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:15:15,567 INFO L82 PathProgramCache]: Analyzing trace with hash -1072064786, now seen corresponding path program 1 times [2019-10-15 03:15:15,575 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:15:15,575 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330304629] [2019-10-15 03:15:15,575 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:15:15,576 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:15:15,576 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:15:15,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:15:16,178 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 03:15:16,179 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330304629] [2019-10-15 03:15:16,180 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:15:16,180 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 03:15:16,180 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941552378] [2019-10-15 03:15:16,185 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 03:15:16,186 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:15:16,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 03:15:16,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 03:15:16,203 INFO L87 Difference]: Start difference. First operand 418 states. Second operand 2 states. [2019-10-15 03:15:16,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:15:16,268 INFO L93 Difference]: Finished difference Result 583 states and 699 transitions. [2019-10-15 03:15:16,269 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 03:15:16,270 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 136 [2019-10-15 03:15:16,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:15:16,288 INFO L225 Difference]: With dead ends: 583 [2019-10-15 03:15:16,288 INFO L226 Difference]: Without dead ends: 370 [2019-10-15 03:15:16,293 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 03:15:16,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2019-10-15 03:15:16,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 370. [2019-10-15 03:15:16,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 370 states. [2019-10-15 03:15:16,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 440 transitions. [2019-10-15 03:15:16,371 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 440 transitions. Word has length 136 [2019-10-15 03:15:16,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:15:16,373 INFO L462 AbstractCegarLoop]: Abstraction has 370 states and 440 transitions. [2019-10-15 03:15:16,373 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 03:15:16,374 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 440 transitions. [2019-10-15 03:15:16,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2019-10-15 03:15:16,380 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:15:16,380 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, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:15:16,381 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:15:16,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:15:16,381 INFO L82 PathProgramCache]: Analyzing trace with hash 186364694, now seen corresponding path program 1 times [2019-10-15 03:15:16,382 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:15:16,382 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872541572] [2019-10-15 03:15:16,382 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:15:16,382 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:15:16,382 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:15:16,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:15:16,799 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 03:15:16,800 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872541572] [2019-10-15 03:15:16,800 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:15:16,800 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:15:16,801 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946622401] [2019-10-15 03:15:16,803 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:15:16,804 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:15:16,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:15:16,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:15:16,805 INFO L87 Difference]: Start difference. First operand 370 states and 440 transitions. Second operand 3 states. [2019-10-15 03:15:16,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:15:16,884 INFO L93 Difference]: Finished difference Result 568 states and 667 transitions. [2019-10-15 03:15:16,885 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:15:16,885 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 137 [2019-10-15 03:15:16,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:15:16,890 INFO L225 Difference]: With dead ends: 568 [2019-10-15 03:15:16,890 INFO L226 Difference]: Without dead ends: 372 [2019-10-15 03:15:16,892 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 03:15:16,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2019-10-15 03:15:16,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 372. [2019-10-15 03:15:16,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 372 states. [2019-10-15 03:15:16,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 442 transitions. [2019-10-15 03:15:16,949 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 442 transitions. Word has length 137 [2019-10-15 03:15:16,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:15:16,949 INFO L462 AbstractCegarLoop]: Abstraction has 372 states and 442 transitions. [2019-10-15 03:15:16,950 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:15:16,950 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 442 transitions. [2019-10-15 03:15:16,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2019-10-15 03:15:16,964 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:15:16,965 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 03:15:16,966 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:15:16,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:15:16,966 INFO L82 PathProgramCache]: Analyzing trace with hash 1089008979, now seen corresponding path program 1 times [2019-10-15 03:15:16,966 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:15:16,966 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139799015] [2019-10-15 03:15:16,967 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:15:16,967 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:15:16,967 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:15:17,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:15:17,217 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 03:15:17,217 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2139799015] [2019-10-15 03:15:17,218 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:15:17,218 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:15:17,218 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925488927] [2019-10-15 03:15:17,219 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:15:17,220 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:15:17,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:15:17,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:15:17,221 INFO L87 Difference]: Start difference. First operand 372 states and 442 transitions. Second operand 3 states. [2019-10-15 03:15:17,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:15:17,275 INFO L93 Difference]: Finished difference Result 726 states and 891 transitions. [2019-10-15 03:15:17,275 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:15:17,275 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2019-10-15 03:15:17,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:15:17,279 INFO L225 Difference]: With dead ends: 726 [2019-10-15 03:15:17,280 INFO L226 Difference]: Without dead ends: 412 [2019-10-15 03:15:17,282 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 03:15:17,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2019-10-15 03:15:17,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 411. [2019-10-15 03:15:17,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 411 states. [2019-10-15 03:15:17,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 510 transitions. [2019-10-15 03:15:17,313 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 510 transitions. Word has length 142 [2019-10-15 03:15:17,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:15:17,314 INFO L462 AbstractCegarLoop]: Abstraction has 411 states and 510 transitions. [2019-10-15 03:15:17,314 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:15:17,314 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 510 transitions. [2019-10-15 03:15:17,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2019-10-15 03:15:17,319 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:15:17,319 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, 1] [2019-10-15 03:15:17,319 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:15:17,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:15:17,320 INFO L82 PathProgramCache]: Analyzing trace with hash 852929166, now seen corresponding path program 1 times [2019-10-15 03:15:17,320 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:15:17,320 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050943804] [2019-10-15 03:15:17,321 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:15:17,321 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:15:17,321 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:15:17,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:15:17,995 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 03:15:17,997 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050943804] [2019-10-15 03:15:17,998 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:15:17,998 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2019-10-15 03:15:17,998 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864701546] [2019-10-15 03:15:18,000 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2019-10-15 03:15:18,000 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:15:18,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2019-10-15 03:15:18,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=449, Unknown=0, NotChecked=0, Total=506 [2019-10-15 03:15:18,002 INFO L87 Difference]: Start difference. First operand 411 states and 510 transitions. Second operand 23 states. [2019-10-15 03:15:27,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:15:27,047 INFO L93 Difference]: Finished difference Result 840 states and 1022 transitions. [2019-10-15 03:15:27,048 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2019-10-15 03:15:27,048 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 143 [2019-10-15 03:15:27,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:15:27,054 INFO L225 Difference]: With dead ends: 840 [2019-10-15 03:15:27,054 INFO L226 Difference]: Without dead ends: 650 [2019-10-15 03:15:27,056 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 293 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=215, Invalid=1855, Unknown=0, NotChecked=0, Total=2070 [2019-10-15 03:15:27,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 650 states. [2019-10-15 03:15:27,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 650 to 641. [2019-10-15 03:15:27,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 641 states. [2019-10-15 03:15:27,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 641 states and 788 transitions. [2019-10-15 03:15:27,098 INFO L78 Accepts]: Start accepts. Automaton has 641 states and 788 transitions. Word has length 143 [2019-10-15 03:15:27,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:15:27,099 INFO L462 AbstractCegarLoop]: Abstraction has 641 states and 788 transitions. [2019-10-15 03:15:27,099 INFO L463 AbstractCegarLoop]: Interpolant automaton has 23 states. [2019-10-15 03:15:27,099 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 788 transitions. [2019-10-15 03:15:27,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2019-10-15 03:15:27,103 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:15:27,103 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, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:15:27,103 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:15:27,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:15:27,104 INFO L82 PathProgramCache]: Analyzing trace with hash -910304685, now seen corresponding path program 1 times [2019-10-15 03:15:27,104 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:15:27,104 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498032859] [2019-10-15 03:15:27,104 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:15:27,105 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:15:27,105 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:15:27,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:15:27,745 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 03:15:27,745 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498032859] [2019-10-15 03:15:27,745 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:15:27,746 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2019-10-15 03:15:27,746 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389241849] [2019-10-15 03:15:27,746 INFO L442 AbstractCegarLoop]: Interpolant automaton has 25 states [2019-10-15 03:15:27,747 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:15:27,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2019-10-15 03:15:27,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=541, Unknown=0, NotChecked=0, Total=600 [2019-10-15 03:15:27,749 INFO L87 Difference]: Start difference. First operand 641 states and 788 transitions. Second operand 25 states. [2019-10-15 03:15:31,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:15:31,794 INFO L93 Difference]: Finished difference Result 748 states and 913 transitions. [2019-10-15 03:15:31,795 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2019-10-15 03:15:31,795 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 149 [2019-10-15 03:15:31,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:15:31,803 INFO L225 Difference]: With dead ends: 748 [2019-10-15 03:15:31,803 INFO L226 Difference]: Without dead ends: 741 [2019-10-15 03:15:31,805 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 441 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=233, Invalid=2317, Unknown=0, NotChecked=0, Total=2550 [2019-10-15 03:15:31,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2019-10-15 03:15:31,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 734. [2019-10-15 03:15:31,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 734 states. [2019-10-15 03:15:31,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 734 states to 734 states and 898 transitions. [2019-10-15 03:15:31,867 INFO L78 Accepts]: Start accepts. Automaton has 734 states and 898 transitions. Word has length 149 [2019-10-15 03:15:31,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:15:31,871 INFO L462 AbstractCegarLoop]: Abstraction has 734 states and 898 transitions. [2019-10-15 03:15:31,872 INFO L463 AbstractCegarLoop]: Interpolant automaton has 25 states. [2019-10-15 03:15:31,872 INFO L276 IsEmpty]: Start isEmpty. Operand 734 states and 898 transitions. [2019-10-15 03:15:31,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2019-10-15 03:15:31,878 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:15:31,879 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, 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] [2019-10-15 03:15:31,879 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:15:31,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:15:31,879 INFO L82 PathProgramCache]: Analyzing trace with hash 1378472848, now seen corresponding path program 1 times [2019-10-15 03:15:31,880 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:15:31,880 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726834752] [2019-10-15 03:15:31,880 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:15:31,880 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:15:31,880 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:15:31,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:15:32,741 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2019-10-15 03:15:32,742 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726834752] [2019-10-15 03:15:32,743 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:15:32,743 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2019-10-15 03:15:32,743 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438187042] [2019-10-15 03:15:32,745 INFO L442 AbstractCegarLoop]: Interpolant automaton has 30 states [2019-10-15 03:15:32,745 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:15:32,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2019-10-15 03:15:32,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=799, Unknown=0, NotChecked=0, Total=870 [2019-10-15 03:15:32,746 INFO L87 Difference]: Start difference. First operand 734 states and 898 transitions. Second operand 30 states.