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_spec8_product33.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 15:09:45,828 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 15:09:45,830 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 15:09:45,849 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 15:09:45,849 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 15:09:45,850 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 15:09:45,851 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 15:09:45,853 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 15:09:45,855 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 15:09:45,856 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 15:09:45,857 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 15:09:45,858 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 15:09:45,858 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 15:09:45,859 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 15:09:45,860 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 15:09:45,862 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 15:09:45,862 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 15:09:45,863 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 15:09:45,865 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 15:09:45,867 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 15:09:45,869 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 15:09:45,870 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 15:09:45,872 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 15:09:45,873 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 15:09:45,875 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 15:09:45,876 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 15:09:45,876 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 15:09:45,877 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 15:09:45,878 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 15:09:45,879 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 15:09:45,879 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 15:09:45,880 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 15:09:45,881 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 15:09:45,882 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 15:09:45,883 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 15:09:45,883 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 15:09:45,884 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 15:09:45,884 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 15:09:45,884 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 15:09:45,885 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 15:09:45,886 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 15:09:45,887 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 [2019-10-07 15:09:45,902 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 15:09:45,902 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 15:09:45,903 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 15:09:45,904 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 15:09:45,904 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 15:09:45,904 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 15:09:45,904 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 15:09:45,904 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 15:09:45,905 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 15:09:45,905 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 15:09:45,905 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 15:09:45,905 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 15:09:45,905 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 15:09:45,906 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 15:09:45,906 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 15:09:45,906 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 15:09:45,906 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 15:09:45,906 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 15:09:45,907 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 15:09:45,907 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 15:09:45,907 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 15:09:45,907 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:09:45,907 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 15:09:45,908 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 15:09:45,908 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 15:09:45,908 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 15:09:45,908 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 15:09:45,908 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 15:09:45,909 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 [2019-10-07 15:09:46,207 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 15:09:46,226 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 15:09:46,229 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 15:09:46,231 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 15:09:46,231 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 15:09:46,232 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec8_product33.cil.c [2019-10-07 15:09:46,327 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6d96d8ed/1358ab9079d246d2a9188e376ed6a3fb/FLAG6938c7497 [2019-10-07 15:09:46,949 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 15:09:46,950 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec8_product33.cil.c [2019-10-07 15:09:46,977 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6d96d8ed/1358ab9079d246d2a9188e376ed6a3fb/FLAG6938c7497 [2019-10-07 15:09:47,177 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6d96d8ed/1358ab9079d246d2a9188e376ed6a3fb [2019-10-07 15:09:47,188 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 15:09:47,190 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 15:09:47,191 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 15:09:47,191 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 15:09:47,194 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 15:09:47,195 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:09:47" (1/1) ... [2019-10-07 15:09:47,198 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20e0108d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:09:47, skipping insertion in model container [2019-10-07 15:09:47,198 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:09:47" (1/1) ... [2019-10-07 15:09:47,205 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 15:09:47,287 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 15:09:48,093 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:09:48,114 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 15:09:48,253 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:09:48,374 INFO L192 MainTranslator]: Completed translation [2019-10-07 15:09:48,374 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:09:48 WrapperNode [2019-10-07 15:09:48,374 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 15:09:48,376 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 15:09:48,376 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 15:09:48,376 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 15:09:48,397 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:09:48" (1/1) ... [2019-10-07 15:09:48,398 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:09:48" (1/1) ... [2019-10-07 15:09:48,433 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:09:48" (1/1) ... [2019-10-07 15:09:48,433 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:09:48" (1/1) ... [2019-10-07 15:09:48,499 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:09:48" (1/1) ... [2019-10-07 15:09:48,532 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:09:48" (1/1) ... [2019-10-07 15:09:48,555 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:09:48" (1/1) ... [2019-10-07 15:09:48,593 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 15:09:48,594 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 15:09:48,594 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 15:09:48,594 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 15:09:48,599 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:09:48" (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 [2019-10-07 15:09:48,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 15:09:48,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 15:09:48,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 15:09:48,671 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 15:09:48,671 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 15:09:48,671 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 15:09:48,672 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 15:09:48,672 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 15:09:48,672 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 15:09:48,672 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-07 15:09:48,673 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 15:09:48,673 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-07 15:09:48,673 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-07 15:09:48,673 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-07 15:09:48,673 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-07 15:09:48,673 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-07 15:09:48,674 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-07 15:09:48,674 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-07 15:09:48,674 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-07 15:09:48,674 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-07 15:09:48,674 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-07 15:09:48,675 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-07 15:09:48,675 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-07 15:09:48,675 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-07 15:09:48,676 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-07 15:09:48,676 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-07 15:09:48,676 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-07 15:09:48,676 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-07 15:09:48,676 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-07 15:09:48,676 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-07 15:09:48,677 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-07 15:09:48,677 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-07 15:09:48,677 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-07 15:09:48,677 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-07 15:09:48,677 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-07 15:09:48,677 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-07 15:09:48,677 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-07 15:09:48,678 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-07 15:09:48,678 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-07 15:09:48,678 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-07 15:09:48,678 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-07 15:09:48,678 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AutoResponder [2019-10-07 15:09:48,678 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2019-10-07 15:09:48,679 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-07 15:09:48,679 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-07 15:09:48,679 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-07 15:09:48,679 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-07 15:09:48,679 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-07 15:09:48,679 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptAutoResponder_spec__1 [2019-10-07 15:09:48,680 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptAutoResponder_spec__2 [2019-10-07 15:09:48,680 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 15:09:48,680 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-07 15:09:48,680 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-07 15:09:48,680 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-07 15:09:48,680 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-07 15:09:48,680 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-07 15:09:48,681 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-07 15:09:48,681 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-07 15:09:48,681 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-07 15:09:48,681 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 15:09:48,681 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 15:09:48,682 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-07 15:09:48,682 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-07 15:09:48,682 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-07 15:09:48,682 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-07 15:09:48,682 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-07 15:09:48,682 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-07 15:09:48,683 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-07 15:09:48,683 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-07 15:09:48,683 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-07 15:09:48,683 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-07 15:09:48,683 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-07 15:09:48,683 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 15:09:48,684 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 15:09:48,684 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 15:09:48,684 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 15:09:48,684 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-07 15:09:48,684 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-07 15:09:48,684 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-10-07 15:09:48,685 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-07 15:09:48,685 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-07 15:09:48,685 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2019-10-07 15:09:48,685 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-07 15:09:48,685 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-10-07 15:09:48,685 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-10-07 15:09:48,685 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-07 15:09:48,686 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-07 15:09:48,686 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-07 15:09:48,686 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-07 15:09:48,686 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-07 15:09:48,686 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-07 15:09:48,686 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-07 15:09:48,687 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-07 15:09:48,687 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-07 15:09:48,687 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-07 15:09:48,687 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-07 15:09:48,687 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-07 15:09:48,687 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-07 15:09:48,687 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-07 15:09:48,688 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-07 15:09:48,688 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-07 15:09:48,688 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-07 15:09:48,688 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-07 15:09:48,688 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-07 15:09:48,688 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-07 15:09:48,689 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-07 15:09:48,689 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-07 15:09:48,689 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-07 15:09:48,689 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-07 15:09:48,689 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-07 15:09:48,689 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-07 15:09:48,689 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-07 15:09:48,690 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-07 15:09:48,690 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-07 15:09:48,690 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-07 15:09:48,690 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-07 15:09:48,690 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-07 15:09:48,690 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-07 15:09:48,690 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-07 15:09:48,691 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 15:09:48,691 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 15:09:48,691 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 15:09:48,691 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 15:09:48,691 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 15:09:48,691 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 15:09:48,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 15:09:48,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 15:09:48,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 15:09:48,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 15:09:48,692 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 15:09:48,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 15:09:48,693 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 15:09:48,693 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 15:09:48,693 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 15:09:48,693 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 15:09:48,693 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 15:09:48,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 15:09:48,694 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 15:09:48,694 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 15:09:48,694 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-07 15:09:48,694 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 15:09:48,694 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-07 15:09:48,694 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-07 15:09:48,695 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-07 15:09:48,695 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-07 15:09:48,695 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-07 15:09:48,695 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-07 15:09:48,696 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-07 15:09:48,697 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-07 15:09:48,697 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-07 15:09:48,697 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-07 15:09:48,697 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-07 15:09:48,697 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-07 15:09:48,697 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-07 15:09:48,697 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-07 15:09:48,698 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-07 15:09:48,698 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-07 15:09:48,698 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-07 15:09:48,698 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-07 15:09:48,698 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-07 15:09:48,698 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-07 15:09:48,698 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-07 15:09:48,699 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-07 15:09:48,699 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-07 15:09:48,699 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-07 15:09:48,699 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-07 15:09:48,699 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-07 15:09:48,699 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-07 15:09:48,700 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-07 15:09:48,700 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-07 15:09:48,700 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-07 15:09:48,700 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-07 15:09:48,700 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-07 15:09:48,701 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-07 15:09:48,701 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-07 15:09:48,701 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-07 15:09:48,701 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-07 15:09:48,701 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-07 15:09:48,701 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-07 15:09:48,702 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-07 15:09:48,702 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-07 15:09:48,702 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-07 15:09:48,702 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-07 15:09:48,702 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-07 15:09:48,702 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-07 15:09:48,703 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AutoResponder [2019-10-07 15:09:48,703 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2019-10-07 15:09:48,703 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-07 15:09:48,703 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-07 15:09:48,703 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptAutoResponder_spec__1 [2019-10-07 15:09:48,703 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptAutoResponder_spec__2 [2019-10-07 15:09:48,704 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-07 15:09:48,704 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-07 15:09:48,704 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-07 15:09:48,704 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-07 15:09:48,704 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-07 15:09:48,704 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-07 15:09:48,705 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-07 15:09:48,705 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-07 15:09:48,705 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-07 15:09:48,705 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-07 15:09:48,705 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 15:09:48,705 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 15:09:48,706 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 15:09:48,706 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 15:09:48,706 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-07 15:09:48,706 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-07 15:09:48,706 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-07 15:09:48,706 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-07 15:09:48,708 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-07 15:09:48,708 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-07 15:09:48,709 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-07 15:09:48,709 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-07 15:09:48,709 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-07 15:09:48,709 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-07 15:09:48,709 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 15:09:48,709 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 15:09:48,710 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-07 15:09:48,710 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-07 15:09:48,710 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-07 15:09:48,710 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-07 15:09:48,710 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-07 15:09:48,710 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 15:09:48,711 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-07 15:09:48,711 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-07 15:09:48,711 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-07 15:09:48,711 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-07 15:09:48,711 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-07 15:09:48,712 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-07 15:09:48,712 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-07 15:09:48,712 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-07 15:09:48,712 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-07 15:09:48,712 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-07 15:09:48,712 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-07 15:09:48,713 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-07 15:09:48,713 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-07 15:09:48,713 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-07 15:09:48,713 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-07 15:09:48,713 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-07 15:09:48,713 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-10-07 15:09:48,714 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2019-10-07 15:09:48,714 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-07 15:09:48,714 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-10-07 15:09:48,714 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-10-07 15:09:48,714 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-07 15:09:48,714 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-07 15:09:48,715 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-07 15:09:48,715 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-07 15:09:48,715 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-07 15:09:48,715 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-07 15:09:48,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 15:09:48,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 15:09:48,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 15:09:53,379 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 15:09:53,380 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-07 15:09:53,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:09:53 BoogieIcfgContainer [2019-10-07 15:09:53,382 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 15:09:53,383 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 15:09:53,383 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 15:09:53,388 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 15:09:53,388 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:09:47" (1/3) ... [2019-10-07 15:09:53,389 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4240c66d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:09:53, skipping insertion in model container [2019-10-07 15:09:53,443 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:09:48" (2/3) ... [2019-10-07 15:09:53,444 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4240c66d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:09:53, skipping insertion in model container [2019-10-07 15:09:53,445 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:09:53" (3/3) ... [2019-10-07 15:09:53,448 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec8_product33.cil.c [2019-10-07 15:09:53,466 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 15:09:53,479 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 15:09:53,491 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 15:09:53,520 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 15:09:53,520 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 15:09:53,521 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 15:09:53,526 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 15:09:53,526 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 15:09:53,526 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 15:09:53,526 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 15:09:53,527 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 15:09:53,557 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states. [2019-10-07 15:09:53,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2019-10-07 15:09:53,574 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:09:53,577 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:09:53,579 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:09:53,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:09:53,586 INFO L82 PathProgramCache]: Analyzing trace with hash 813208465, now seen corresponding path program 1 times [2019-10-07 15:09:53,593 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:09:53,593 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:09:53,594 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:09:53,594 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:09:53,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:09:53,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:09:54,249 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 15:09:54,250 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:09:54,250 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:09:54,251 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 15:09:54,255 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 15:09:54,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 15:09:54,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:09:54,273 INFO L87 Difference]: Start difference. First operand 437 states. Second operand 2 states. [2019-10-07 15:09:54,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:09:54,358 INFO L93 Difference]: Finished difference Result 675 states and 799 transitions. [2019-10-07 15:09:54,358 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 15:09:54,361 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 125 [2019-10-07 15:09:54,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:09:54,393 INFO L225 Difference]: With dead ends: 675 [2019-10-07 15:09:54,394 INFO L226 Difference]: Without dead ends: 416 [2019-10-07 15:09:54,405 INFO L606 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 [2019-10-07 15:09:54,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2019-10-07 15:09:54,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 416. [2019-10-07 15:09:54,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 416 states. [2019-10-07 15:09:54,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 491 transitions. [2019-10-07 15:09:54,550 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 491 transitions. Word has length 125 [2019-10-07 15:09:54,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:09:54,552 INFO L462 AbstractCegarLoop]: Abstraction has 416 states and 491 transitions. [2019-10-07 15:09:54,552 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 15:09:54,553 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 491 transitions. [2019-10-07 15:09:54,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2019-10-07 15:09:54,567 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:09:54,568 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:09:54,568 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:09:54,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:09:54,569 INFO L82 PathProgramCache]: Analyzing trace with hash -231976617, now seen corresponding path program 1 times [2019-10-07 15:09:54,569 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:09:54,570 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:09:54,570 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:09:54,570 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:09:54,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:09:54,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:09:54,850 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 15:09:54,850 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:09:54,851 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:09:54,851 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:09:54,853 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:09:54,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:09:54,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:09:54,854 INFO L87 Difference]: Start difference. First operand 416 states and 491 transitions. Second operand 3 states. [2019-10-07 15:09:54,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:09:54,896 INFO L93 Difference]: Finished difference Result 660 states and 770 transitions. [2019-10-07 15:09:54,896 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:09:54,896 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 126 [2019-10-07 15:09:54,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:09:54,900 INFO L225 Difference]: With dead ends: 660 [2019-10-07 15:09:54,900 INFO L226 Difference]: Without dead ends: 418 [2019-10-07 15:09:54,902 INFO L606 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 [2019-10-07 15:09:54,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2019-10-07 15:09:54,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 418. [2019-10-07 15:09:54,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 418 states. [2019-10-07 15:09:54,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 493 transitions. [2019-10-07 15:09:54,923 INFO L78 Accepts]: Start accepts. Automaton has 418 states and 493 transitions. Word has length 126 [2019-10-07 15:09:54,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:09:54,924 INFO L462 AbstractCegarLoop]: Abstraction has 418 states and 493 transitions. [2019-10-07 15:09:54,924 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:09:54,924 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 493 transitions. [2019-10-07 15:09:54,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2019-10-07 15:09:54,927 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:09:54,927 INFO L385 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, 1] [2019-10-07 15:09:54,927 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:09:54,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:09:54,927 INFO L82 PathProgramCache]: Analyzing trace with hash 921275503, now seen corresponding path program 1 times [2019-10-07 15:09:54,928 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:09:54,928 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:09:54,928 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:09:54,928 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:09:54,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:09:54,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:09:55,176 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 15:09:55,176 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:09:55,176 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:09:55,177 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:09:55,178 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:09:55,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:09:55,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:09:55,179 INFO L87 Difference]: Start difference. First operand 418 states and 493 transitions. Second operand 3 states. [2019-10-07 15:09:55,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:09:55,221 INFO L93 Difference]: Finished difference Result 820 states and 996 transitions. [2019-10-07 15:09:55,222 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:09:55,222 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 138 [2019-10-07 15:09:55,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:09:55,225 INFO L225 Difference]: With dead ends: 820 [2019-10-07 15:09:55,225 INFO L226 Difference]: Without dead ends: 460 [2019-10-07 15:09:55,227 INFO L606 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 [2019-10-07 15:09:55,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2019-10-07 15:09:55,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 459. [2019-10-07 15:09:55,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 459 states. [2019-10-07 15:09:55,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 564 transitions. [2019-10-07 15:09:55,247 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 564 transitions. Word has length 138 [2019-10-07 15:09:55,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:09:55,247 INFO L462 AbstractCegarLoop]: Abstraction has 459 states and 564 transitions. [2019-10-07 15:09:55,247 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:09:55,247 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 564 transitions. [2019-10-07 15:09:55,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2019-10-07 15:09:55,250 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:09:55,250 INFO L385 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, 1, 1] [2019-10-07 15:09:55,250 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:09:55,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:09:55,251 INFO L82 PathProgramCache]: Analyzing trace with hash 141709140, now seen corresponding path program 1 times [2019-10-07 15:09:55,251 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:09:55,251 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:09:55,251 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:09:55,251 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:09:55,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:09:55,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:09:55,479 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-07 15:09:55,480 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:09:55,480 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:09:55,480 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:09:55,481 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:09:55,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:09:55,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:09:55,482 INFO L87 Difference]: Start difference. First operand 459 states and 564 transitions. Second operand 3 states. [2019-10-07 15:09:55,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:09:55,534 INFO L93 Difference]: Finished difference Result 751 states and 901 transitions. [2019-10-07 15:09:55,535 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:09:55,535 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 139 [2019-10-07 15:09:55,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:09:55,544 INFO L225 Difference]: With dead ends: 751 [2019-10-07 15:09:55,544 INFO L226 Difference]: Without dead ends: 510 [2019-10-07 15:09:55,546 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:09:55,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 510 states. [2019-10-07 15:09:55,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 510 to 510. [2019-10-07 15:09:55,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 510 states. [2019-10-07 15:09:55,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 510 states and 614 transitions. [2019-10-07 15:09:55,594 INFO L78 Accepts]: Start accepts. Automaton has 510 states and 614 transitions. Word has length 139 [2019-10-07 15:09:55,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:09:55,596 INFO L462 AbstractCegarLoop]: Abstraction has 510 states and 614 transitions. [2019-10-07 15:09:55,597 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:09:55,597 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 614 transitions. [2019-10-07 15:09:55,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2019-10-07 15:09:55,610 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:09:55,610 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:09:55,611 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:09:55,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:09:55,611 INFO L82 PathProgramCache]: Analyzing trace with hash -853591963, now seen corresponding path program 1 times [2019-10-07 15:09:55,612 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:09:55,612 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:09:55,612 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:09:55,613 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:09:55,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:09:55,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:09:56,604 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 20 proven. 1 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2019-10-07 15:09:56,605 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:09:56,605 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 15:09:56,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:09:57,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:09:57,420 INFO L256 TraceCheckSpWp]: Trace formula consists of 3467 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-07 15:09:57,446 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 15:09:57,592 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2019-10-07 15:09:57,592 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 15:09:58,337 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 19 proven. 2 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2019-10-07 15:09:58,338 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 15:09:58,379 INFO L162 IcfgInterpreter]: Started Sifa with 211 locations of interest [2019-10-07 15:09:58,380 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 15:09:58,388 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 15:09:58,395 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 15:09:58,395 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 15:11:26,917 WARN L191 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 722 [2019-10-07 15:11:31,899 WARN L191 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 343 DAG size of output: 279 [2019-10-07 15:11:32,405 WARN L191 SmtUtils]: Spent 496.00 ms on a formula simplification that was a NOOP. DAG size: 766 [2019-10-07 15:11:32,894 WARN L191 SmtUtils]: Spent 482.00 ms on a formula simplification that was a NOOP. DAG size: 766 [2019-10-07 15:11:33,296 WARN L191 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 766 [2019-10-07 15:11:33,535 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 15:11:34,259 WARN L191 SmtUtils]: Spent 722.00 ms on a formula simplification that was a NOOP. DAG size: 1070 [2019-10-07 15:11:34,976 WARN L191 SmtUtils]: Spent 685.00 ms on a formula simplification that was a NOOP. DAG size: 1070 [2019-10-07 15:11:35,701 WARN L191 SmtUtils]: Spent 722.00 ms on a formula simplification that was a NOOP. DAG size: 1070 [2019-10-07 15:11:35,857 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 15:11:36,593 WARN L191 SmtUtils]: Spent 733.00 ms on a formula simplification that was a NOOP. DAG size: 1070 [2019-10-07 15:11:38,084 WARN L191 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 1072 DAG size of output: 1070 [2019-10-07 15:11:38,771 WARN L191 SmtUtils]: Spent 683.00 ms on a formula simplification that was a NOOP. DAG size: 1070 [2019-10-07 15:11:38,922 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 15:11:39,610 WARN L191 SmtUtils]: Spent 686.00 ms on a formula simplification that was a NOOP. DAG size: 1070 [2019-10-07 15:11:40,306 WARN L191 SmtUtils]: Spent 694.00 ms on a formula simplification that was a NOOP. DAG size: 1070 [2019-10-07 15:11:40,962 WARN L191 SmtUtils]: Spent 651.00 ms on a formula simplification that was a NOOP. DAG size: 1070 [2019-10-07 15:11:41,089 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 15:11:41,744 WARN L191 SmtUtils]: Spent 653.00 ms on a formula simplification that was a NOOP. DAG size: 1070 [2019-10-07 15:11:41,773 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 580 for LOIs [2019-10-07 15:11:41,951 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 580 [2019-10-07 15:11:42,297 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 685 [2019-10-07 15:11:42,524 WARN L191 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 685 [2019-10-07 15:11:42,699 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 15:11:43,193 WARN L191 SmtUtils]: Spent 491.00 ms on a formula simplification that was a NOOP. DAG size: 989 [2019-10-07 15:11:43,195 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1116 for LOIs [2019-10-07 15:11:43,833 WARN L191 SmtUtils]: Spent 637.00 ms on a formula simplification that was a NOOP. DAG size: 1116 [2019-10-07 15:11:44,458 WARN L191 SmtUtils]: Spent 620.00 ms on a formula simplification that was a NOOP. DAG size: 1116 [2019-10-07 15:11:44,685 WARN L191 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 603 [2019-10-07 15:11:45,620 WARN L191 SmtUtils]: Spent 932.00 ms on a formula simplification that was a NOOP. DAG size: 1262 [2019-10-07 15:11:46,273 WARN L191 SmtUtils]: Spent 641.00 ms on a formula simplification that was a NOOP. DAG size: 1116 [2019-10-07 15:11:46,915 WARN L191 SmtUtils]: Spent 637.00 ms on a formula simplification that was a NOOP. DAG size: 1116 [2019-10-07 15:11:47,272 WARN L191 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 603 [2019-10-07 15:11:48,223 WARN L191 SmtUtils]: Spent 948.00 ms on a formula simplification that was a NOOP. DAG size: 1262 [2019-10-07 15:11:48,922 WARN L191 SmtUtils]: Spent 667.00 ms on a formula simplification that was a NOOP. DAG size: 1116 [2019-10-07 15:11:49,572 WARN L191 SmtUtils]: Spent 647.00 ms on a formula simplification that was a NOOP. DAG size: 1116 [2019-10-07 15:11:49,791 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 603 [2019-10-07 15:11:50,740 WARN L191 SmtUtils]: Spent 946.00 ms on a formula simplification that was a NOOP. DAG size: 1262 [2019-10-07 15:11:52,079 WARN L191 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 1264 DAG size of output: 1116 [2019-10-07 15:11:52,725 WARN L191 SmtUtils]: Spent 642.00 ms on a formula simplification that was a NOOP. DAG size: 1116 [2019-10-07 15:11:52,977 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 603 [2019-10-07 15:11:53,901 WARN L191 SmtUtils]: Spent 922.00 ms on a formula simplification that was a NOOP. DAG size: 1262 [2019-10-07 15:11:54,574 WARN L191 SmtUtils]: Spent 657.00 ms on a formula simplification that was a NOOP. DAG size: 1116 [2019-10-07 15:11:55,216 WARN L191 SmtUtils]: Spent 639.00 ms on a formula simplification that was a NOOP. DAG size: 1116 [2019-10-07 15:11:55,456 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 603 [2019-10-07 15:11:56,415 WARN L191 SmtUtils]: Spent 956.00 ms on a formula simplification that was a NOOP. DAG size: 1262 [2019-10-07 15:11:57,064 WARN L191 SmtUtils]: Spent 646.00 ms on a formula simplification that was a NOOP. DAG size: 1116 [2019-10-07 15:11:57,707 WARN L191 SmtUtils]: Spent 640.00 ms on a formula simplification that was a NOOP. DAG size: 1116 [2019-10-07 15:11:57,946 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 603 [2019-10-07 15:11:58,897 WARN L191 SmtUtils]: Spent 949.00 ms on a formula simplification that was a NOOP. DAG size: 1262 [2019-10-07 15:11:59,560 WARN L191 SmtUtils]: Spent 660.00 ms on a formula simplification that was a NOOP. DAG size: 1116 [2019-10-07 15:12:00,203 WARN L191 SmtUtils]: Spent 640.00 ms on a formula simplification that was a NOOP. DAG size: 1116 [2019-10-07 15:12:00,416 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 603 [2019-10-07 15:12:01,344 WARN L191 SmtUtils]: Spent 923.00 ms on a formula simplification that was a NOOP. DAG size: 1262 [2019-10-07 15:12:01,971 WARN L191 SmtUtils]: Spent 623.00 ms on a formula simplification that was a NOOP. DAG size: 1116 [2019-10-07 15:12:02,605 WARN L191 SmtUtils]: Spent 629.00 ms on a formula simplification that was a NOOP. DAG size: 1116 [2019-10-07 15:12:02,830 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 603 [2019-10-07 15:12:03,739 WARN L191 SmtUtils]: Spent 906.00 ms on a formula simplification that was a NOOP. DAG size: 1262 [2019-10-07 15:12:04,378 WARN L191 SmtUtils]: Spent 636.00 ms on a formula simplification that was a NOOP. DAG size: 1116 [2019-10-07 15:12:05,021 WARN L191 SmtUtils]: Spent 639.00 ms on a formula simplification that was a NOOP. DAG size: 1116 [2019-10-07 15:12:05,233 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 603 [2019-10-07 15:12:06,161 WARN L191 SmtUtils]: Spent 926.00 ms on a formula simplification that was a NOOP. DAG size: 1262 [2019-10-07 15:12:06,801 WARN L191 SmtUtils]: Spent 637.00 ms on a formula simplification that was a NOOP. DAG size: 1116 [2019-10-07 15:12:07,449 WARN L191 SmtUtils]: Spent 645.00 ms on a formula simplification that was a NOOP. DAG size: 1116 [2019-10-07 15:12:07,660 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 603 [2019-10-07 15:12:08,585 WARN L191 SmtUtils]: Spent 922.00 ms on a formula simplification that was a NOOP. DAG size: 1262 [2019-10-07 15:12:09,231 WARN L191 SmtUtils]: Spent 644.00 ms on a formula simplification that was a NOOP. DAG size: 1116 [2019-10-07 15:12:09,877 WARN L191 SmtUtils]: Spent 642.00 ms on a formula simplification that was a NOOP. DAG size: 1116 [2019-10-07 15:12:10,094 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 603 [2019-10-07 15:12:11,015 WARN L191 SmtUtils]: Spent 920.00 ms on a formula simplification that was a NOOP. DAG size: 1262 [2019-10-07 15:12:11,661 WARN L191 SmtUtils]: Spent 642.00 ms on a formula simplification that was a NOOP. DAG size: 1116 [2019-10-07 15:12:12,296 WARN L191 SmtUtils]: Spent 632.00 ms on a formula simplification that was a NOOP. DAG size: 1116 [2019-10-07 15:12:12,510 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 603 [2019-10-07 15:12:13,432 WARN L191 SmtUtils]: Spent 920.00 ms on a formula simplification that was a NOOP. DAG size: 1262 [2019-10-07 15:12:14,077 WARN L191 SmtUtils]: Spent 641.00 ms on a formula simplification that was a NOOP. DAG size: 1116 [2019-10-07 15:12:14,720 WARN L191 SmtUtils]: Spent 640.00 ms on a formula simplification that was a NOOP. DAG size: 1116 [2019-10-07 15:12:14,935 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 603 [2019-10-07 15:12:15,861 WARN L191 SmtUtils]: Spent 923.00 ms on a formula simplification that was a NOOP. DAG size: 1262 [2019-10-07 15:12:17,011 WARN L191 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 1262 [2019-10-07 15:12:17,939 WARN L191 SmtUtils]: Spent 924.00 ms on a formula simplification that was a NOOP. DAG size: 1262 [2019-10-07 15:12:18,190 WARN L191 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 603 [2019-10-07 15:12:19,120 WARN L191 SmtUtils]: Spent 928.00 ms on a formula simplification that was a NOOP. DAG size: 1262 [2019-10-07 15:12:20,868 WARN L191 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 1264 DAG size of output: 1262 [2019-10-07 15:12:21,796 WARN L191 SmtUtils]: Spent 923.00 ms on a formula simplification that was a NOOP. DAG size: 1262 [2019-10-07 15:12:22,028 WARN L191 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 603 [2019-10-07 15:12:22,949 WARN L191 SmtUtils]: Spent 919.00 ms on a formula simplification that was a NOOP. DAG size: 1262 [2019-10-07 15:12:23,880 WARN L191 SmtUtils]: Spent 928.00 ms on a formula simplification that was a NOOP. DAG size: 1262 [2019-10-07 15:12:24,817 WARN L191 SmtUtils]: Spent 934.00 ms on a formula simplification that was a NOOP. DAG size: 1262 [2019-10-07 15:12:25,032 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 603 [2019-10-07 15:12:25,959 WARN L191 SmtUtils]: Spent 924.00 ms on a formula simplification that was a NOOP. DAG size: 1262 [2019-10-07 15:12:26,938 WARN L191 SmtUtils]: Spent 944.00 ms on a formula simplification that was a NOOP. DAG size: 1266 [2019-10-07 15:12:27,873 WARN L191 SmtUtils]: Spent 930.00 ms on a formula simplification that was a NOOP. DAG size: 1266 [2019-10-07 15:12:28,093 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 606 [2019-10-07 15:12:29,031 WARN L191 SmtUtils]: Spent 936.00 ms on a formula simplification that was a NOOP. DAG size: 1266 [2019-10-07 15:12:30,994 WARN L191 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 1268 DAG size of output: 1264 [2019-10-07 15:12:31,926 WARN L191 SmtUtils]: Spent 928.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 15:12:32,170 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 606 [2019-10-07 15:12:33,110 WARN L191 SmtUtils]: Spent 938.00 ms on a formula simplification that was a NOOP. DAG size: 1266 [2019-10-07 15:12:34,806 WARN L191 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 1268 DAG size of output: 1264 [2019-10-07 15:12:35,744 WARN L191 SmtUtils]: Spent 934.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 15:12:35,959 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 606 [2019-10-07 15:12:36,888 WARN L191 SmtUtils]: Spent 927.00 ms on a formula simplification that was a NOOP. DAG size: 1266 [2019-10-07 15:12:37,826 WARN L191 SmtUtils]: Spent 930.00 ms on a formula simplification that was a NOOP. DAG size: 1271 [2019-10-07 15:12:38,763 WARN L191 SmtUtils]: Spent 934.00 ms on a formula simplification that was a NOOP. DAG size: 1271 [2019-10-07 15:12:39,003 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 606 [2019-10-07 15:12:39,931 WARN L191 SmtUtils]: Spent 926.00 ms on a formula simplification that was a NOOP. DAG size: 1271 [2019-10-07 15:12:40,873 WARN L191 SmtUtils]: Spent 939.00 ms on a formula simplification that was a NOOP. DAG size: 1273 [2019-10-07 15:12:41,818 WARN L191 SmtUtils]: Spent 940.00 ms on a formula simplification that was a NOOP. DAG size: 1273 [2019-10-07 15:12:42,068 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 606 [2019-10-07 15:12:43,015 WARN L191 SmtUtils]: Spent 945.00 ms on a formula simplification that was a NOOP. DAG size: 1273 [2019-10-07 15:12:45,320 WARN L191 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 1264 DAG size of output: 1262 [2019-10-07 15:12:46,262 WARN L191 SmtUtils]: Spent 938.00 ms on a formula simplification that was a NOOP. DAG size: 1262 [2019-10-07 15:12:46,489 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 603 [2019-10-07 15:12:47,424 WARN L191 SmtUtils]: Spent 933.00 ms on a formula simplification that was a NOOP. DAG size: 1262 [2019-10-07 15:12:49,157 WARN L191 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 1264 DAG size of output: 1262 [2019-10-07 15:12:50,093 WARN L191 SmtUtils]: Spent 933.00 ms on a formula simplification that was a NOOP. DAG size: 1262 [2019-10-07 15:12:50,346 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 603 [2019-10-07 15:12:51,282 WARN L191 SmtUtils]: Spent 933.00 ms on a formula simplification that was a NOOP. DAG size: 1262 [2019-10-07 15:12:52,222 WARN L191 SmtUtils]: Spent 937.00 ms on a formula simplification that was a NOOP. DAG size: 1262 [2019-10-07 15:12:53,160 WARN L191 SmtUtils]: Spent 934.00 ms on a formula simplification that was a NOOP. DAG size: 1262 [2019-10-07 15:12:53,378 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 603 [2019-10-07 15:12:54,313 WARN L191 SmtUtils]: Spent 932.00 ms on a formula simplification that was a NOOP. DAG size: 1262 [2019-10-07 15:12:56,713 WARN L191 SmtUtils]: Spent 2.35 s on a formula simplification. DAG size of input: 1264 DAG size of output: 1262 [2019-10-07 15:12:57,658 WARN L191 SmtUtils]: Spent 941.00 ms on a formula simplification that was a NOOP. DAG size: 1262 [2019-10-07 15:12:57,880 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 603 [2019-10-07 15:12:58,819 WARN L191 SmtUtils]: Spent 937.00 ms on a formula simplification that was a NOOP. DAG size: 1262 [2019-10-07 15:13:01,430 WARN L191 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 1264 DAG size of output: 1262 [2019-10-07 15:13:02,368 WARN L191 SmtUtils]: Spent 934.00 ms on a formula simplification that was a NOOP. DAG size: 1262 [2019-10-07 15:13:02,609 WARN L191 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 603 [2019-10-07 15:13:03,544 WARN L191 SmtUtils]: Spent 932.00 ms on a formula simplification that was a NOOP. DAG size: 1262 [2019-10-07 15:13:04,487 WARN L191 SmtUtils]: Spent 939.00 ms on a formula simplification that was a NOOP. DAG size: 1262 [2019-10-07 15:13:05,442 WARN L191 SmtUtils]: Spent 952.00 ms on a formula simplification that was a NOOP. DAG size: 1262 [2019-10-07 15:13:05,663 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 603 [2019-10-07 15:13:06,620 WARN L191 SmtUtils]: Spent 955.00 ms on a formula simplification that was a NOOP. DAG size: 1262 [2019-10-07 15:13:08,369 WARN L191 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 1268 DAG size of output: 1264 [2019-10-07 15:13:09,319 WARN L191 SmtUtils]: Spent 946.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 15:13:09,545 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 606 [2019-10-07 15:13:10,497 WARN L191 SmtUtils]: Spent 950.00 ms on a formula simplification that was a NOOP. DAG size: 1266 [2019-10-07 15:13:12,662 WARN L191 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 1268 DAG size of output: 1264 [2019-10-07 15:13:13,646 WARN L191 SmtUtils]: Spent 981.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 15:13:13,872 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 606 [2019-10-07 15:13:14,846 WARN L191 SmtUtils]: Spent 972.00 ms on a formula simplification that was a NOOP. DAG size: 1266 [2019-10-07 15:13:15,801 WARN L191 SmtUtils]: Spent 951.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 15:13:16,775 WARN L191 SmtUtils]: Spent 970.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 15:13:16,995 WARN L191 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 606 [2019-10-07 15:13:17,954 WARN L191 SmtUtils]: Spent 957.00 ms on a formula simplification that was a NOOP. DAG size: 1266 [2019-10-07 15:13:19,703 WARN L191 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 1273 DAG size of output: 1264 [2019-10-07 15:13:20,656 WARN L191 SmtUtils]: Spent 948.00 ms on a formula simplification that was a NOOP. DAG size: 1264 [2019-10-07 15:13:20,884 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 606 [2019-10-07 15:13:21,853 WARN L191 SmtUtils]: Spent 967.00 ms on a formula simplification that was a NOOP. DAG size: 1266 [2019-10-07 15:13:23,514 WARN L191 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 1275 DAG size of output: 1266 [2019-10-07 15:13:24,466 WARN L191 SmtUtils]: Spent 948.00 ms on a formula simplification that was a NOOP. DAG size: 1266 [2019-10-07 15:13:24,954 WARN L191 SmtUtils]: Spent 470.00 ms on a formula simplification that was a NOOP. DAG size: 606 [2019-10-07 15:13:25,936 WARN L191 SmtUtils]: Spent 979.00 ms on a formula simplification that was a NOOP. DAG size: 1268 [2019-10-07 15:13:26,204 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:13:26,205 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.generateProof(TraceAbstractionRefinementEngine.java:177) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.executeStrategy(TraceAbstractionRefinementEngine.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.RefinementEngineFactory.runRefinementEngine(RefinementEngineFactory.java:133) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε at de.uni_freiburg.informatik.ultimate.lib.sifa.PriorityWorklist.add(PriorityWorklist.java:97) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.lambda$2(DagInterpreter.java:135) at java.lang.Iterable.forEach(Iterable.java:75) at java.util.Collections$UnmodifiableCollection.forEach(Collections.java:1080) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:135) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:139) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:287) ... 21 more [2019-10-07 15:13:26,211 INFO L168 Benchmark]: Toolchain (without parser) took 219021.83 ms. Allocated memory was 137.9 MB in the beginning and 1.4 GB in the end (delta: 1.3 GB). Free memory was 98.4 MB in the beginning and 866.1 MB in the end (delta: -767.7 MB). Peak memory consumption was 501.6 MB. Max. memory is 7.1 GB. [2019-10-07 15:13:26,212 INFO L168 Benchmark]: CDTParser took 1.35 ms. Allocated memory is still 137.9 MB. Free memory is still 119.5 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-10-07 15:13:26,213 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1184.40 ms. Allocated memory was 137.9 MB in the beginning and 201.9 MB in the end (delta: 64.0 MB). Free memory was 98.0 MB in the beginning and 130.5 MB in the end (delta: -32.5 MB). Peak memory consumption was 36.8 MB. Max. memory is 7.1 GB. [2019-10-07 15:13:26,213 INFO L168 Benchmark]: Boogie Preprocessor took 218.03 ms. Allocated memory is still 201.9 MB. Free memory was 130.5 MB in the beginning and 121.3 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-10-07 15:13:26,214 INFO L168 Benchmark]: RCFGBuilder took 4788.15 ms. Allocated memory was 201.9 MB in the beginning and 298.8 MB in the end (delta: 97.0 MB). Free memory was 121.3 MB in the beginning and 78.4 MB in the end (delta: 42.9 MB). Peak memory consumption was 139.8 MB. Max. memory is 7.1 GB. [2019-10-07 15:13:26,215 INFO L168 Benchmark]: TraceAbstraction took 212826.54 ms. Allocated memory was 298.8 MB in the beginning and 1.4 GB in the end (delta: 1.1 GB). Free memory was 78.4 MB in the beginning and 866.1 MB in the end (delta: -787.7 MB). Peak memory consumption was 320.7 MB. Max. memory is 7.1 GB. [2019-10-07 15:13:26,218 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.35 ms. Allocated memory is still 137.9 MB. Free memory is still 119.5 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1184.40 ms. Allocated memory was 137.9 MB in the beginning and 201.9 MB in the end (delta: 64.0 MB). Free memory was 98.0 MB in the beginning and 130.5 MB in the end (delta: -32.5 MB). Peak memory consumption was 36.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 218.03 ms. Allocated memory is still 201.9 MB. Free memory was 130.5 MB in the beginning and 121.3 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4788.15 ms. Allocated memory was 201.9 MB in the beginning and 298.8 MB in the end (delta: 97.0 MB). Free memory was 121.3 MB in the beginning and 78.4 MB in the end (delta: 42.9 MB). Peak memory consumption was 139.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 212826.54 ms. Allocated memory was 298.8 MB in the beginning and 1.4 GB in the end (delta: 1.1 GB). Free memory was 78.4 MB in the beginning and 866.1 MB in the end (delta: -787.7 MB). Peak memory consumption was 320.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:295) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...