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_spec0_product34.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 14:40:30,160 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 14:40:30,163 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 14:40:30,175 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 14:40:30,175 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 14:40:30,177 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 14:40:30,178 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 14:40:30,180 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 14:40:30,182 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 14:40:30,182 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 14:40:30,183 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 14:40:30,185 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 14:40:30,185 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 14:40:30,186 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 14:40:30,187 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 14:40:30,188 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 14:40:30,189 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 14:40:30,190 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 14:40:30,192 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 14:40:30,194 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 14:40:30,196 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 14:40:30,197 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 14:40:30,198 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 14:40:30,199 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 14:40:30,202 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 14:40:30,202 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 14:40:30,202 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 14:40:30,203 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 14:40:30,204 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 14:40:30,205 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 14:40:30,205 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 14:40:30,206 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 14:40:30,207 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 14:40:30,208 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 14:40:30,209 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 14:40:30,209 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 14:40:30,210 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 14:40:30,210 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 14:40:30,210 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 14:40:30,211 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 14:40:30,212 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 14:40:30,213 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 14:40:30,228 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 14:40:30,228 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 14:40:30,229 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 14:40:30,230 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 14:40:30,230 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 14:40:30,230 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 14:40:30,230 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 14:40:30,230 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 14:40:30,231 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 14:40:30,231 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 14:40:30,231 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 14:40:30,231 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 14:40:30,231 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 14:40:30,232 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 14:40:30,232 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 14:40:30,232 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 14:40:30,232 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 14:40:30,232 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 14:40:30,233 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 14:40:30,233 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 14:40:30,233 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 14:40:30,233 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 14:40:30,233 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 14:40:30,234 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 14:40:30,234 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 14:40:30,234 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 14:40:30,234 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 14:40:30,234 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 14:40:30,235 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 14:40:30,536 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 14:40:30,549 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 14:40:30,553 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 14:40:30,554 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 14:40:30,555 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 14:40:30,555 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec0_product34.cil.c [2019-10-07 14:40:30,634 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/404e9b7e9/04369af7c2e24221a30e58445b6aeb7f/FLAG933ca716b [2019-10-07 14:40:31,314 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 14:40:31,315 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec0_product34.cil.c [2019-10-07 14:40:31,346 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/404e9b7e9/04369af7c2e24221a30e58445b6aeb7f/FLAG933ca716b [2019-10-07 14:40:31,502 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/404e9b7e9/04369af7c2e24221a30e58445b6aeb7f [2019-10-07 14:40:31,510 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 14:40:31,511 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 14:40:31,512 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 14:40:31,513 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 14:40:31,516 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 14:40:31,517 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:40:31" (1/1) ... [2019-10-07 14:40:31,520 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@112cb494 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:40:31, skipping insertion in model container [2019-10-07 14:40:31,520 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:40:31" (1/1) ... [2019-10-07 14:40:31,528 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 14:40:31,615 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 14:40:32,371 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:40:32,388 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 14:40:32,517 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:40:32,607 INFO L192 MainTranslator]: Completed translation [2019-10-07 14:40:32,608 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:40:32 WrapperNode [2019-10-07 14:40:32,608 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 14:40:32,609 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 14:40:32,609 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 14:40:32,609 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 14:40:32,624 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:40:32" (1/1) ... [2019-10-07 14:40:32,624 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:40:32" (1/1) ... [2019-10-07 14:40:32,667 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:40:32" (1/1) ... [2019-10-07 14:40:32,668 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:40:32" (1/1) ... [2019-10-07 14:40:32,739 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:40:32" (1/1) ... [2019-10-07 14:40:32,757 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:40:32" (1/1) ... [2019-10-07 14:40:32,769 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:40:32" (1/1) ... [2019-10-07 14:40:32,785 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 14:40:32,786 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 14:40:32,786 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 14:40:32,786 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 14:40:32,787 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:40:32" (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 14:40:32,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 14:40:32,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 14:40:32,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 14:40:32,858 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-07 14:40:32,859 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-07 14:40:32,860 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-07 14:40:32,860 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-07 14:40:32,861 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-07 14:40:32,861 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-07 14:40:32,861 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-07 14:40:32,862 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-07 14:40:32,863 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 14:40:32,863 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 14:40:32,863 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-07 14:40:32,863 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-07 14:40:32,864 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-07 14:40:32,866 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-07 14:40:32,867 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-07 14:40:32,867 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-07 14:40:32,867 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-07 14:40:32,868 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-07 14:40:32,868 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-07 14:40:32,868 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-07 14:40:32,868 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-07 14:40:32,869 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 14:40:32,869 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 14:40:32,869 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 14:40:32,869 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 14:40:32,870 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 14:40:32,870 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 14:40:32,871 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-07 14:40:32,871 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-07 14:40:32,871 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-07 14:40:32,871 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-07 14:40:32,871 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-07 14:40:32,871 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-07 14:40:32,872 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-07 14:40:32,872 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-07 14:40:32,872 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-07 14:40:32,872 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-07 14:40:32,872 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-07 14:40:32,872 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-07 14:40:32,873 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-07 14:40:32,873 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-07 14:40:32,873 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-07 14:40:32,873 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-07 14:40:32,873 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-07 14:40:32,874 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-07 14:40:32,874 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-07 14:40:32,874 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-07 14:40:32,874 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-07 14:40:32,874 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-07 14:40:32,874 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-07 14:40:32,874 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-07 14:40:32,875 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-07 14:40:32,875 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-07 14:40:32,875 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-07 14:40:32,875 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-07 14:40:32,875 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-07 14:40:32,876 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 14:40:32,877 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 14:40:32,877 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 14:40:32,877 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 14:40:32,877 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 14:40:32,877 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 14:40:32,877 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-07 14:40:32,877 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2019-10-07 14:40:32,878 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2019-10-07 14:40:32,878 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-07 14:40:32,878 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-07 14:40:32,878 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-07 14:40:32,878 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-07 14:40:32,878 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-07 14:40:32,879 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-07 14:40:32,879 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-07 14:40:32,880 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-07 14:40:32,880 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-07 14:40:32,880 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-07 14:40:32,880 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-07 14:40:32,881 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-07 14:40:32,881 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-07 14:40:32,882 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-07 14:40:32,882 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-07 14:40:32,882 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-07 14:40:32,882 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-07 14:40:32,882 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-07 14:40:32,882 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-07 14:40:32,883 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-07 14:40:32,883 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-07 14:40:32,884 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-07 14:40:32,884 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-07 14:40:32,884 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-07 14:40:32,884 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-07 14:40:32,884 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-07 14:40:32,884 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptForward_spec__1 [2019-10-07 14:40:32,885 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-07 14:40:32,885 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-07 14:40:32,885 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-07 14:40:32,885 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2019-10-07 14:40:32,885 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2019-10-07 14:40:32,885 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-07 14:40:32,885 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-07 14:40:32,885 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-07 14:40:32,886 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-10-07 14:40:32,886 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-10-07 14:40:32,886 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-07 14:40:32,886 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-07 14:40:32,886 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-07 14:40:32,886 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-07 14:40:32,887 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-07 14:40:32,887 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-07 14:40:32,887 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-07 14:40:32,887 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-07 14:40:32,887 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-07 14:40:32,887 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-07 14:40:32,887 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-07 14:40:32,887 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-07 14:40:32,888 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-07 14:40:32,888 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 14:40:32,888 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 14:40:32,889 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 14:40:32,889 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-07 14:40:32,889 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-07 14:40:32,890 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-07 14:40:32,891 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-07 14:40:32,891 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-07 14:40:32,891 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-07 14:40:32,891 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-07 14:40:32,891 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-07 14:40:32,892 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-07 14:40:32,892 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-07 14:40:32,892 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-07 14:40:32,893 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-07 14:40:32,896 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 14:40:32,900 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 14:40:32,900 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 14:40:32,900 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-07 14:40:32,900 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-07 14:40:32,901 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-07 14:40:32,901 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-07 14:40:32,901 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-07 14:40:32,902 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-07 14:40:32,902 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-07 14:40:32,903 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-07 14:40:32,910 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-07 14:40:32,910 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-07 14:40:32,910 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-07 14:40:32,910 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 14:40:32,910 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 14:40:32,911 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 14:40:32,911 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-07 14:40:32,911 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-07 14:40:32,911 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-07 14:40:32,911 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-07 14:40:32,911 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-07 14:40:32,911 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-07 14:40:32,912 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-07 14:40:32,912 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-07 14:40:32,912 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-07 14:40:32,912 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-07 14:40:32,913 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-07 14:40:32,913 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-07 14:40:32,913 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-07 14:40:32,913 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-07 14:40:32,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 14:40:32,914 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 14:40:32,914 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 14:40:32,914 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-07 14:40:32,914 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-07 14:40:32,914 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-07 14:40:32,914 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-07 14:40:32,914 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-07 14:40:32,914 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-07 14:40:32,915 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-07 14:40:32,915 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-07 14:40:32,915 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-07 14:40:32,915 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-07 14:40:32,915 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-07 14:40:32,915 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-07 14:40:32,915 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-07 14:40:32,915 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-07 14:40:32,916 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-07 14:40:32,916 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-07 14:40:32,916 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-07 14:40:32,916 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-07 14:40:32,916 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 14:40:32,916 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 14:40:32,916 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 14:40:32,917 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 14:40:32,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 14:40:32,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 14:40:32,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 14:40:32,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 14:40:32,917 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 14:40:32,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 14:40:32,917 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 14:40:32,918 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 14:40:32,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 14:40:32,918 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 14:40:32,918 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 14:40:32,918 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 14:40:32,918 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-07 14:40:32,918 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-07 14:40:32,918 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-07 14:40:32,919 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-07 14:40:32,919 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-07 14:40:32,919 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-07 14:40:32,919 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-07 14:40:32,919 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-07 14:40:32,919 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-07 14:40:32,919 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-07 14:40:32,919 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-07 14:40:32,920 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-07 14:40:32,920 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-07 14:40:32,920 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-07 14:40:32,920 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-07 14:40:32,920 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2019-10-07 14:40:32,920 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2019-10-07 14:40:32,920 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-07 14:40:32,921 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-07 14:40:32,921 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-07 14:40:32,921 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-07 14:40:32,921 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-07 14:40:32,921 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-07 14:40:32,921 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-07 14:40:32,921 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-07 14:40:32,921 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-07 14:40:32,922 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-07 14:40:32,922 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-07 14:40:32,922 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-07 14:40:32,922 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptForward_spec__1 [2019-10-07 14:40:32,922 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-07 14:40:32,922 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-07 14:40:32,923 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-07 14:40:32,923 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-07 14:40:32,923 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-07 14:40:32,923 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-07 14:40:32,923 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-07 14:40:32,923 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-07 14:40:32,924 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-07 14:40:32,924 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-07 14:40:32,924 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-07 14:40:32,924 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-07 14:40:32,924 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2019-10-07 14:40:32,924 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2019-10-07 14:40:32,925 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-07 14:40:32,925 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-10-07 14:40:32,925 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-10-07 14:40:32,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 14:40:32,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 14:40:32,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 14:40:37,380 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 14:40:37,381 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-07 14:40:37,383 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:40:37 BoogieIcfgContainer [2019-10-07 14:40:37,383 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 14:40:37,384 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 14:40:37,384 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 14:40:37,387 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 14:40:37,387 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 02:40:31" (1/3) ... [2019-10-07 14:40:37,388 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cbf8ba0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:40:37, skipping insertion in model container [2019-10-07 14:40:37,388 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:40:32" (2/3) ... [2019-10-07 14:40:37,388 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cbf8ba0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:40:37, skipping insertion in model container [2019-10-07 14:40:37,388 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:40:37" (3/3) ... [2019-10-07 14:40:37,390 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec0_product34.cil.c [2019-10-07 14:40:37,400 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 14:40:37,410 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 14:40:37,422 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 14:40:37,502 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 14:40:37,502 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 14:40:37,502 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 14:40:37,502 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 14:40:37,502 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 14:40:37,502 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 14:40:37,502 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 14:40:37,503 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 14:40:37,533 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states. [2019-10-07 14:40:37,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2019-10-07 14:40:37,553 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:40:37,555 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-10-07 14:40:37,556 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:40:37,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:40:37,561 INFO L82 PathProgramCache]: Analyzing trace with hash 1799427517, now seen corresponding path program 1 times [2019-10-07 14:40:37,569 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:40:37,570 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:40:37,570 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:40:37,570 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:40:37,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:40:37,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:40:38,176 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-07 14:40:38,177 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:40:38,177 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:40:38,178 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 14:40:38,182 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 14:40:38,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 14:40:38,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 14:40:38,199 INFO L87 Difference]: Start difference. First operand 452 states. Second operand 2 states. [2019-10-07 14:40:38,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:40:38,321 INFO L93 Difference]: Finished difference Result 686 states and 820 transitions. [2019-10-07 14:40:38,321 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 14:40:38,327 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 184 [2019-10-07 14:40:38,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:40:38,362 INFO L225 Difference]: With dead ends: 686 [2019-10-07 14:40:38,362 INFO L226 Difference]: Without dead ends: 425 [2019-10-07 14:40:38,377 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 14:40:38,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2019-10-07 14:40:38,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 425. [2019-10-07 14:40:38,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 425 states. [2019-10-07 14:40:38,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 502 transitions. [2019-10-07 14:40:38,521 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 502 transitions. Word has length 184 [2019-10-07 14:40:38,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:40:38,523 INFO L462 AbstractCegarLoop]: Abstraction has 425 states and 502 transitions. [2019-10-07 14:40:38,523 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 14:40:38,523 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 502 transitions. [2019-10-07 14:40:38,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2019-10-07 14:40:38,530 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:40:38,531 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-10-07 14:40:38,531 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:40:38,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:40:38,531 INFO L82 PathProgramCache]: Analyzing trace with hash -734008651, now seen corresponding path program 1 times [2019-10-07 14:40:38,532 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:40:38,532 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:40:38,532 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:40:38,532 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:40:38,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:40:38,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:40:38,959 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-07 14:40:38,960 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:40:38,960 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:40:38,961 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:40:38,969 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:40:38,970 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:40:38,970 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:40:38,971 INFO L87 Difference]: Start difference. First operand 425 states and 502 transitions. Second operand 3 states. [2019-10-07 14:40:39,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:40:39,073 INFO L93 Difference]: Finished difference Result 671 states and 784 transitions. [2019-10-07 14:40:39,074 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:40:39,074 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 185 [2019-10-07 14:40:39,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:40:39,086 INFO L225 Difference]: With dead ends: 671 [2019-10-07 14:40:39,087 INFO L226 Difference]: Without dead ends: 427 [2019-10-07 14:40:39,089 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 14:40:39,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2019-10-07 14:40:39,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 427. [2019-10-07 14:40:39,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 427 states. [2019-10-07 14:40:39,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 504 transitions. [2019-10-07 14:40:39,147 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 504 transitions. Word has length 185 [2019-10-07 14:40:39,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:40:39,149 INFO L462 AbstractCegarLoop]: Abstraction has 427 states and 504 transitions. [2019-10-07 14:40:39,149 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:40:39,149 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 504 transitions. [2019-10-07 14:40:39,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2019-10-07 14:40:39,161 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:40:39,161 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-10-07 14:40:39,161 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:40:39,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:40:39,162 INFO L82 PathProgramCache]: Analyzing trace with hash -2046027777, now seen corresponding path program 1 times [2019-10-07 14:40:39,162 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:40:39,163 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:40:39,163 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:40:39,163 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:40:39,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:40:39,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:40:39,449 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-07 14:40:39,449 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:40:39,449 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:40:39,449 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:40:39,451 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:40:39,452 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:40:39,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:40:39,452 INFO L87 Difference]: Start difference. First operand 427 states and 504 transitions. Second operand 3 states. [2019-10-07 14:40:39,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:40:39,502 INFO L93 Difference]: Finished difference Result 838 states and 1018 transitions. [2019-10-07 14:40:39,503 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:40:39,503 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 190 [2019-10-07 14:40:39,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:40:39,509 INFO L225 Difference]: With dead ends: 838 [2019-10-07 14:40:39,509 INFO L226 Difference]: Without dead ends: 469 [2019-10-07 14:40:39,511 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 14:40:39,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2019-10-07 14:40:39,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 468. [2019-10-07 14:40:39,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 468 states. [2019-10-07 14:40:39,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 575 transitions. [2019-10-07 14:40:39,544 INFO L78 Accepts]: Start accepts. Automaton has 468 states and 575 transitions. Word has length 190 [2019-10-07 14:40:39,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:40:39,544 INFO L462 AbstractCegarLoop]: Abstraction has 468 states and 575 transitions. [2019-10-07 14:40:39,545 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:40:39,545 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 575 transitions. [2019-10-07 14:40:39,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2019-10-07 14:40:39,550 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:40:39,551 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-10-07 14:40:39,551 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:40:39,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:40:39,551 INFO L82 PathProgramCache]: Analyzing trace with hash 1009745432, now seen corresponding path program 1 times [2019-10-07 14:40:39,552 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:40:39,552 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:40:39,552 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:40:39,552 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:40:39,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:40:39,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:40:40,555 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-10-07 14:40:40,557 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:40:40,558 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 14:40:40,558 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 14:40:41,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:40:41,254 INFO L256 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-07 14:40:41,276 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 14:40:41,421 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-07 14:40:41,421 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 14:40:41,697 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-07 14:40:41,697 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 14:40:41,730 INFO L162 IcfgInterpreter]: Started Sifa with 166 locations of interest [2019-10-07 14:40:41,730 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 14:40:41,737 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 14:40:41,745 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 14:40:41,746 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 14:41:53,550 WARN L191 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 697 [2019-10-07 14:41:58,371 WARN L191 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 349 DAG size of output: 283 [2019-10-07 14:41:58,828 WARN L191 SmtUtils]: Spent 448.00 ms on a formula simplification that was a NOOP. DAG size: 749 [2019-10-07 14:41:59,243 WARN L191 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 749 [2019-10-07 14:41:59,564 WARN L191 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 749 [2019-10-07 14:41:59,751 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 450 [2019-10-07 14:42:00,514 WARN L191 SmtUtils]: Spent 761.00 ms on a formula simplification that was a NOOP. DAG size: 1047 [2019-10-07 14:42:01,225 WARN L191 SmtUtils]: Spent 691.00 ms on a formula simplification that was a NOOP. DAG size: 1047 [2019-10-07 14:42:01,928 WARN L191 SmtUtils]: Spent 698.00 ms on a formula simplification that was a NOOP. DAG size: 1047 [2019-10-07 14:42:02,085 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 450 [2019-10-07 14:42:02,803 WARN L191 SmtUtils]: Spent 716.00 ms on a formula simplification that was a NOOP. DAG size: 1047 [2019-10-07 14:42:04,140 WARN L191 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 1049 DAG size of output: 1047 [2019-10-07 14:42:04,882 WARN L191 SmtUtils]: Spent 737.00 ms on a formula simplification that was a NOOP. DAG size: 1047 [2019-10-07 14:42:05,027 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 450 [2019-10-07 14:42:05,708 WARN L191 SmtUtils]: Spent 679.00 ms on a formula simplification that was a NOOP. DAG size: 1047 [2019-10-07 14:42:06,347 WARN L191 SmtUtils]: Spent 636.00 ms on a formula simplification that was a NOOP. DAG size: 1047 [2019-10-07 14:42:07,060 WARN L191 SmtUtils]: Spent 708.00 ms on a formula simplification that was a NOOP. DAG size: 1047 [2019-10-07 14:42:07,190 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 450 [2019-10-07 14:42:07,830 WARN L191 SmtUtils]: Spent 637.00 ms on a formula simplification that was a NOOP. DAG size: 1047 [2019-10-07 14:42:07,898 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 565 for LOIs [2019-10-07 14:42:08,297 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 662 [2019-10-07 14:42:08,414 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 662 [2019-10-07 14:42:08,545 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 450 [2019-10-07 14:42:09,016 WARN L191 SmtUtils]: Spent 469.00 ms on a formula simplification that was a NOOP. DAG size: 960 [2019-10-07 14:42:09,018 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1109 for LOIs [2019-10-07 14:42:09,684 WARN L191 SmtUtils]: Spent 665.00 ms on a formula simplification that was a NOOP. DAG size: 1109 [2019-10-07 14:42:10,316 WARN L191 SmtUtils]: Spent 628.00 ms on a formula simplification that was a NOOP. DAG size: 1109 [2019-10-07 14:42:10,593 WARN L191 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 645 [2019-10-07 14:42:11,631 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1307 [2019-10-07 14:42:12,313 WARN L191 SmtUtils]: Spent 669.00 ms on a formula simplification that was a NOOP. DAG size: 1109 [2019-10-07 14:42:12,959 WARN L191 SmtUtils]: Spent 642.00 ms on a formula simplification that was a NOOP. DAG size: 1109 [2019-10-07 14:42:13,302 WARN L191 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 645 [2019-10-07 14:42:14,340 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1307 [2019-10-07 14:42:15,147 WARN L191 SmtUtils]: Spent 771.00 ms on a formula simplification that was a NOOP. DAG size: 1109 [2019-10-07 14:42:15,783 WARN L191 SmtUtils]: Spent 631.00 ms on a formula simplification that was a NOOP. DAG size: 1109 [2019-10-07 14:42:16,078 WARN L191 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 645 [2019-10-07 14:42:17,124 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1307 [2019-10-07 14:42:18,137 WARN L191 SmtUtils]: Spent 981.00 ms on a formula simplification. DAG size of input: 1309 DAG size of output: 1109 [2019-10-07 14:42:18,785 WARN L191 SmtUtils]: Spent 645.00 ms on a formula simplification that was a NOOP. DAG size: 1109 [2019-10-07 14:42:19,305 WARN L191 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 647 DAG size of output: 645 [2019-10-07 14:42:20,358 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1307 [2019-10-07 14:42:21,030 WARN L191 SmtUtils]: Spent 655.00 ms on a formula simplification that was a NOOP. DAG size: 1109 [2019-10-07 14:42:21,671 WARN L191 SmtUtils]: Spent 637.00 ms on a formula simplification that was a NOOP. DAG size: 1109 [2019-10-07 14:42:21,930 WARN L191 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 645 [2019-10-07 14:42:22,983 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1307 [2019-10-07 14:42:23,621 WARN L191 SmtUtils]: Spent 635.00 ms on a formula simplification that was a NOOP. DAG size: 1109 [2019-10-07 14:42:24,262 WARN L191 SmtUtils]: Spent 638.00 ms on a formula simplification that was a NOOP. DAG size: 1109 [2019-10-07 14:42:24,542 WARN L191 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 645 [2019-10-07 14:42:25,595 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1307 [2019-10-07 14:42:26,227 WARN L191 SmtUtils]: Spent 629.00 ms on a formula simplification that was a NOOP. DAG size: 1109 [2019-10-07 14:42:26,865 WARN L191 SmtUtils]: Spent 635.00 ms on a formula simplification that was a NOOP. DAG size: 1109 [2019-10-07 14:42:27,130 WARN L191 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 645 [2019-10-07 14:42:28,179 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1307 [2019-10-07 14:42:28,816 WARN L191 SmtUtils]: Spent 633.00 ms on a formula simplification that was a NOOP. DAG size: 1109 [2019-10-07 14:42:29,453 WARN L191 SmtUtils]: Spent 634.00 ms on a formula simplification that was a NOOP. DAG size: 1109 [2019-10-07 14:42:29,706 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 645 [2019-10-07 14:42:30,759 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1307 [2019-10-07 14:42:31,391 WARN L191 SmtUtils]: Spent 629.00 ms on a formula simplification that was a NOOP. DAG size: 1109 [2019-10-07 14:42:32,024 WARN L191 SmtUtils]: Spent 630.00 ms on a formula simplification that was a NOOP. DAG size: 1109 [2019-10-07 14:42:32,281 WARN L191 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 645 [2019-10-07 14:42:33,314 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 1307 [2019-10-07 14:42:33,949 WARN L191 SmtUtils]: Spent 631.00 ms on a formula simplification that was a NOOP. DAG size: 1109 [2019-10-07 14:42:34,584 WARN L191 SmtUtils]: Spent 632.00 ms on a formula simplification that was a NOOP. DAG size: 1109 [2019-10-07 14:42:34,841 WARN L191 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 645 [2019-10-07 14:42:35,891 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1307 [2019-10-07 14:42:36,523 WARN L191 SmtUtils]: Spent 629.00 ms on a formula simplification that was a NOOP. DAG size: 1109 [2019-10-07 14:42:37,160 WARN L191 SmtUtils]: Spent 632.00 ms on a formula simplification that was a NOOP. DAG size: 1109 [2019-10-07 14:42:37,425 WARN L191 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 645 [2019-10-07 14:42:38,461 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 1307 [2019-10-07 14:42:39,093 WARN L191 SmtUtils]: Spent 628.00 ms on a formula simplification that was a NOOP. DAG size: 1109 [2019-10-07 14:42:39,730 WARN L191 SmtUtils]: Spent 633.00 ms on a formula simplification that was a NOOP. DAG size: 1109 [2019-10-07 14:42:39,983 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 645 [2019-10-07 14:42:41,015 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 1307 [2019-10-07 14:42:41,651 WARN L191 SmtUtils]: Spent 633.00 ms on a formula simplification that was a NOOP. DAG size: 1109 [2019-10-07 14:42:42,287 WARN L191 SmtUtils]: Spent 632.00 ms on a formula simplification that was a NOOP. DAG size: 1109 [2019-10-07 14:42:42,546 WARN L191 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 645 [2019-10-07 14:42:43,582 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1307 [2019-10-07 14:42:44,687 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1307 [2019-10-07 14:42:45,737 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1307 [2019-10-07 14:42:46,002 WARN L191 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 645 [2019-10-07 14:42:47,053 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1307 [2019-10-07 14:42:49,046 WARN L191 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 1309 DAG size of output: 1307 [2019-10-07 14:42:50,091 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1307 [2019-10-07 14:42:50,364 WARN L191 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 645 [2019-10-07 14:42:51,411 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1307 [2019-10-07 14:42:52,454 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1307 [2019-10-07 14:42:53,501 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1307 [2019-10-07 14:42:53,756 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 645 [2019-10-07 14:42:54,807 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1307 [2019-10-07 14:42:55,901 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1311 [2019-10-07 14:42:56,950 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1311 [2019-10-07 14:42:57,214 WARN L191 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 648 [2019-10-07 14:42:58,285 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1311 [2019-10-07 14:43:01,046 WARN L191 SmtUtils]: Spent 2.74 s on a formula simplification. DAG size of input: 1313 DAG size of output: 1309 [2019-10-07 14:43:02,099 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1309 [2019-10-07 14:43:02,363 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 648 [2019-10-07 14:43:03,433 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1311 [2019-10-07 14:43:05,339 WARN L191 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 1313 DAG size of output: 1309 [2019-10-07 14:43:06,376 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 1309 [2019-10-07 14:43:06,631 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 648 [2019-10-07 14:43:07,685 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1311 [2019-10-07 14:43:08,737 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1309 [2019-10-07 14:43:09,816 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1309 [2019-10-07 14:43:10,074 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 648 [2019-10-07 14:43:11,115 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1311 [2019-10-07 14:43:12,169 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1311 [2019-10-07 14:43:13,231 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1311 [2019-10-07 14:43:13,515 WARN L191 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 648 [2019-10-07 14:43:14,548 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 1313 [2019-10-07 14:43:17,445 WARN L191 SmtUtils]: Spent 2.84 s on a formula simplification. DAG size of input: 1309 DAG size of output: 1307 [2019-10-07 14:43:18,489 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1307 [2019-10-07 14:43:18,760 WARN L191 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 645 [2019-10-07 14:43:19,791 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 1307 [2019-10-07 14:43:21,671 WARN L191 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 1309 DAG size of output: 1307 [2019-10-07 14:43:22,708 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 1307 [2019-10-07 14:43:22,985 WARN L191 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 645 [2019-10-07 14:43:24,023 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1307 [2019-10-07 14:43:25,044 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 1307 [2019-10-07 14:43:26,065 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 1307 [2019-10-07 14:43:26,314 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 645 [2019-10-07 14:43:27,335 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 1307 [2019-10-07 14:43:30,310 WARN L191 SmtUtils]: Spent 2.93 s on a formula simplification. DAG size of input: 1309 DAG size of output: 1307 [2019-10-07 14:43:31,326 WARN L191 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 1307 [2019-10-07 14:43:31,591 WARN L191 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 645 [2019-10-07 14:43:32,610 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 1307 [2019-10-07 14:43:34,495 WARN L191 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 1309 DAG size of output: 1307 [2019-10-07 14:43:35,521 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 1307 [2019-10-07 14:43:35,795 WARN L191 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 645 [2019-10-07 14:43:36,817 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 1307 [2019-10-07 14:43:37,835 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 1307 [2019-10-07 14:43:38,852 WARN L191 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 1307 [2019-10-07 14:43:39,100 WARN L191 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 645 [2019-10-07 14:43:40,108 WARN L191 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 1307 [2019-10-07 14:43:41,141 WARN L191 SmtUtils]: Spent 1.00 s on a formula simplification that was a NOOP. DAG size: 1311 [2019-10-07 14:43:42,143 WARN L191 SmtUtils]: Spent 998.00 ms on a formula simplification that was a NOOP. DAG size: 1311 [2019-10-07 14:43:42,398 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 648 [2019-10-07 14:43:43,406 WARN L191 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 1311 [2019-10-07 14:43:45,257 WARN L191 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 1313 DAG size of output: 1309 [2019-10-07 14:43:46,261 WARN L191 SmtUtils]: Spent 1000.00 ms on a formula simplification that was a NOOP. DAG size: 1309 [2019-10-07 14:43:46,517 WARN L191 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 648 [2019-10-07 14:43:47,539 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 1311 [2019-10-07 14:43:49,387 WARN L191 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 1313 DAG size of output: 1309 [2019-10-07 14:43:50,395 WARN L191 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 1309 [2019-10-07 14:43:50,648 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 648 [2019-10-07 14:43:51,660 WARN L191 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 1311 [2019-10-07 14:43:53,519 WARN L191 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 1318 DAG size of output: 1311 [2019-10-07 14:43:54,540 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 1311 [2019-10-07 14:43:54,801 WARN L191 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 648 [2019-10-07 14:43:55,819 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 1311 [2019-10-07 14:43:57,567 WARN L191 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 1320 DAG size of output: 1313 [2019-10-07 14:43:58,589 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 1313 [2019-10-07 14:43:58,859 WARN L191 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 648 [2019-10-07 14:43:59,890 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 1313 [2019-10-07 14:44:00,147 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 14:44:00,150 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 14:44:00,156 INFO L168 Benchmark]: Toolchain (without parser) took 208644.33 ms. Allocated memory was 145.2 MB in the beginning and 784.3 MB in the end (delta: 639.1 MB). Free memory was 99.0 MB in the beginning and 500.9 MB in the end (delta: -401.9 MB). Peak memory consumption was 237.2 MB. Max. memory is 7.1 GB. [2019-10-07 14:44:00,157 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 145.2 MB. Free memory was 120.4 MB in the beginning and 120.1 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-07 14:44:00,158 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1096.08 ms. Allocated memory was 145.2 MB in the beginning and 205.0 MB in the end (delta: 59.8 MB). Free memory was 98.6 MB in the beginning and 136.9 MB in the end (delta: -38.4 MB). Peak memory consumption was 30.4 MB. Max. memory is 7.1 GB. [2019-10-07 14:44:00,158 INFO L168 Benchmark]: Boogie Preprocessor took 176.80 ms. Allocated memory is still 205.0 MB. Free memory was 136.9 MB in the beginning and 127.9 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. [2019-10-07 14:44:00,159 INFO L168 Benchmark]: RCFGBuilder took 4596.94 ms. Allocated memory was 205.0 MB in the beginning and 298.8 MB in the end (delta: 93.8 MB). Free memory was 127.9 MB in the beginning and 82.4 MB in the end (delta: 45.5 MB). Peak memory consumption was 139.3 MB. Max. memory is 7.1 GB. [2019-10-07 14:44:00,160 INFO L168 Benchmark]: TraceAbstraction took 202770.10 ms. Allocated memory was 298.8 MB in the beginning and 784.3 MB in the end (delta: 485.5 MB). Free memory was 82.4 MB in the beginning and 500.9 MB in the end (delta: -418.5 MB). Peak memory consumption was 67.0 MB. Max. memory is 7.1 GB. [2019-10-07 14:44:00,163 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 145.2 MB. Free memory was 120.4 MB in the beginning and 120.1 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1096.08 ms. Allocated memory was 145.2 MB in the beginning and 205.0 MB in the end (delta: 59.8 MB). Free memory was 98.6 MB in the beginning and 136.9 MB in the end (delta: -38.4 MB). Peak memory consumption was 30.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 176.80 ms. Allocated memory is still 205.0 MB. Free memory was 136.9 MB in the beginning and 127.9 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4596.94 ms. Allocated memory was 205.0 MB in the beginning and 298.8 MB in the end (delta: 93.8 MB). Free memory was 127.9 MB in the beginning and 82.4 MB in the end (delta: 45.5 MB). Peak memory consumption was 139.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 202770.10 ms. Allocated memory was 298.8 MB in the beginning and 784.3 MB in the end (delta: 485.5 MB). Free memory was 82.4 MB in the beginning and 500.9 MB in the end (delta: -418.5 MB). Peak memory consumption was 67.0 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...