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_spec1_product29.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 14:46:25,096 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 14:46:25,099 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 14:46:25,119 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 14:46:25,120 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 14:46:25,122 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 14:46:25,124 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 14:46:25,137 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 14:46:25,139 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 14:46:25,140 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 14:46:25,142 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 14:46:25,143 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 14:46:25,144 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 14:46:25,147 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 14:46:25,151 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 14:46:25,153 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 14:46:25,155 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 14:46:25,159 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 14:46:25,160 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 14:46:25,167 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 14:46:25,169 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 14:46:25,172 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 14:46:25,175 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 14:46:25,176 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 14:46:25,179 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 14:46:25,180 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 14:46:25,180 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 14:46:25,182 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 14:46:25,183 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 14:46:25,185 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 14:46:25,185 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 14:46:25,186 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 14:46:25,188 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 14:46:25,188 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 14:46:25,192 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 14:46:25,193 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 14:46:25,193 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 14:46:25,194 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 14:46:25,194 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 14:46:25,195 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 14:46:25,196 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 14:46:25,197 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 14:46:25,217 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 14:46:25,217 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 14:46:25,221 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 14:46:25,221 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 14:46:25,221 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 14:46:25,222 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 14:46:25,222 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 14:46:25,222 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 14:46:25,222 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 14:46:25,222 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 14:46:25,223 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 14:46:25,223 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 14:46:25,223 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 14:46:25,223 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 14:46:25,224 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 14:46:25,224 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 14:46:25,224 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 14:46:25,224 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 14:46:25,224 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 14:46:25,225 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 14:46:25,225 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 14:46:25,225 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 14:46:25,225 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 14:46:25,226 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 14:46:25,226 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 14:46:25,226 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 14:46:25,226 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 14:46:25,226 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 14:46:25,226 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 14:46:25,521 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 14:46:25,535 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 14:46:25,538 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 14:46:25,540 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 14:46:25,540 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 14:46:25,541 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec1_product29.cil.c [2019-10-07 14:46:25,604 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46de72a29/c946747722df44a0b17e74678aa3027e/FLAGc59a23878 [2019-10-07 14:46:26,245 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 14:46:26,247 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec1_product29.cil.c [2019-10-07 14:46:26,278 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46de72a29/c946747722df44a0b17e74678aa3027e/FLAGc59a23878 [2019-10-07 14:46:26,468 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46de72a29/c946747722df44a0b17e74678aa3027e [2019-10-07 14:46:26,479 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 14:46:26,481 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 14:46:26,482 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 14:46:26,482 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 14:46:26,485 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 14:46:26,485 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:46:26" (1/1) ... [2019-10-07 14:46:26,488 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@605515df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:46:26, skipping insertion in model container [2019-10-07 14:46:26,488 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:46:26" (1/1) ... [2019-10-07 14:46:26,494 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 14:46:26,575 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 14:46:27,389 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:46:27,412 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 14:46:27,565 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:46:27,662 INFO L192 MainTranslator]: Completed translation [2019-10-07 14:46:27,663 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:46:27 WrapperNode [2019-10-07 14:46:27,663 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 14:46:27,664 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 14:46:27,665 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 14:46:27,665 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 14:46:27,686 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:46:27" (1/1) ... [2019-10-07 14:46:27,686 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:46:27" (1/1) ... [2019-10-07 14:46:27,753 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:46:27" (1/1) ... [2019-10-07 14:46:27,757 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:46:27" (1/1) ... [2019-10-07 14:46:27,823 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:46:27" (1/1) ... [2019-10-07 14:46:27,854 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:46:27" (1/1) ... [2019-10-07 14:46:27,877 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:46:27" (1/1) ... [2019-10-07 14:46:27,901 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 14:46:27,901 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 14:46:27,901 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 14:46:27,902 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 14:46:27,903 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:46:27" (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 14:46:27,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 14:46:27,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 14:46:27,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 14:46:27,967 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-07 14:46:27,967 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-07 14:46:27,967 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-07 14:46:27,967 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-07 14:46:27,968 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-07 14:46:27,968 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-07 14:46:27,968 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-07 14:46:27,968 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-07 14:46:27,968 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-07 14:46:27,969 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-07 14:46:27,969 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-07 14:46:27,969 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-07 14:46:27,969 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-07 14:46:27,970 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-07 14:46:27,970 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-07 14:46:27,970 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-07 14:46:27,970 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-07 14:46:27,970 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-07 14:46:27,971 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-07 14:46:27,971 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-07 14:46:27,971 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-07 14:46:27,972 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 14:46:27,972 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 14:46:27,972 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 14:46:27,972 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 14:46:27,972 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 14:46:27,972 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 14:46:27,973 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 14:46:27,973 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-07 14:46:27,973 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2019-10-07 14:46:27,973 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2019-10-07 14:46:27,973 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-07 14:46:27,974 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-07 14:46:27,974 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-07 14:46:27,974 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-07 14:46:27,974 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-07 14:46:27,974 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-07 14:46:27,975 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-07 14:46:27,975 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-07 14:46:27,975 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-07 14:46:27,975 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-07 14:46:27,975 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-07 14:46:27,975 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-07 14:46:27,976 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-07 14:46:27,976 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 14:46:27,976 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 14:46:27,976 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-07 14:46:27,976 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-07 14:46:27,976 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-07 14:46:27,977 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-07 14:46:27,977 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-07 14:46:27,977 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-07 14:46:27,977 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-07 14:46:27,977 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-07 14:46:27,978 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-07 14:46:27,978 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-07 14:46:27,978 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 14:46:27,978 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-07 14:46:27,978 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-07 14:46:27,979 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-07 14:46:27,979 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-07 14:46:27,979 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-07 14:46:27,979 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-07 14:46:27,979 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-07 14:46:27,979 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-07 14:46:27,980 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-07 14:46:27,980 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-07 14:46:27,980 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-07 14:46:27,980 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-07 14:46:27,980 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-07 14:46:27,981 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-07 14:46:27,981 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-07 14:46:27,981 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-07 14:46:27,981 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-07 14:46:27,981 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-07 14:46:27,982 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-07 14:46:27,982 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-07 14:46:27,982 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-07 14:46:27,982 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-07 14:46:27,982 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-07 14:46:27,982 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-07 14:46:27,983 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-07 14:46:27,983 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-07 14:46:27,983 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-07 14:46:27,983 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-07 14:46:27,983 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-07 14:46:27,983 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 14:46:27,984 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 14:46:27,984 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 14:46:27,984 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 14:46:27,984 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__AddressBookEncrypt_spec__1 [2019-10-07 14:46:27,984 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-07 14:46:27,984 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-07 14:46:27,984 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-07 14:46:27,985 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2019-10-07 14:46:27,985 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2019-10-07 14:46:27,985 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-07 14:46:27,985 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-07 14:46:27,985 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-07 14:46:27,985 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-10-07 14:46:27,985 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-07 14:46:27,986 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-07 14:46:27,986 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-07 14:46:27,986 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-07 14:46:27,986 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-07 14:46:27,986 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-07 14:46:27,986 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-07 14:46:27,987 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-07 14:46:27,987 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-07 14:46:27,987 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-07 14:46:27,987 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-07 14:46:27,987 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-07 14:46:27,987 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 14:46:27,987 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 14:46:27,988 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-07 14:46:27,988 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-07 14:46:27,988 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-07 14:46:27,988 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-07 14:46:27,988 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-07 14:46:27,988 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-07 14:46:27,989 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-07 14:46:27,989 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-07 14:46:27,989 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-07 14:46:27,989 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-07 14:46:27,989 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-07 14:46:27,989 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-07 14:46:27,989 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-07 14:46:27,990 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-07 14:46:27,990 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-07 14:46:27,990 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-07 14:46:27,990 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-07 14:46:27,990 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-07 14:46:27,991 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-07 14:46:27,991 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-07 14:46:27,991 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-07 14:46:27,991 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 14:46:27,991 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 14:46:27,991 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 14:46:27,991 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 14:46:27,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 14:46:27,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 14:46:27,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 14:46:27,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 14:46:27,992 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 14:46:27,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 14:46:27,993 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 14:46:27,993 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 14:46:27,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 14:46:27,993 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 14:46:27,993 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 14:46:27,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 14:46:27,993 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 14:46:27,994 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-07 14:46:27,994 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-07 14:46:27,994 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-07 14:46:27,994 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-07 14:46:27,994 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-07 14:46:27,994 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-07 14:46:27,994 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-07 14:46:27,994 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-07 14:46:27,995 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-07 14:46:27,995 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 14:46:27,995 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 14:46:27,995 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-07 14:46:27,995 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-07 14:46:27,995 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-07 14:46:27,995 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-07 14:46:27,995 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-07 14:46:27,996 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2019-10-07 14:46:27,996 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2019-10-07 14:46:27,996 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-07 14:46:27,996 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-07 14:46:27,996 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-07 14:46:27,996 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-07 14:46:27,996 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-07 14:46:27,997 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-07 14:46:27,997 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-07 14:46:27,997 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-07 14:46:27,997 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-07 14:46:27,997 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-07 14:46:27,997 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-07 14:46:27,997 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-07 14:46:27,998 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 14:46:27,998 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 14:46:27,998 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 14:46:27,998 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-07 14:46:27,998 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-07 14:46:27,998 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-07 14:46:27,998 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-07 14:46:27,999 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-07 14:46:27,999 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-07 14:46:27,999 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-07 14:46:27,999 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-07 14:46:27,999 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-07 14:46:27,999 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-07 14:46:27,999 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 14:46:28,000 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 14:46:28,000 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-07 14:46:28,000 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-07 14:46:28,000 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-07 14:46:28,000 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-07 14:46:28,000 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-07 14:46:28,000 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 14:46:28,001 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-07 14:46:28,001 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-07 14:46:28,001 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-07 14:46:28,001 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-07 14:46:28,001 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-07 14:46:28,001 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-07 14:46:28,001 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-07 14:46:28,002 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-07 14:46:28,002 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-07 14:46:28,002 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-07 14:46:28,002 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-07 14:46:28,002 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-07 14:46:28,002 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-07 14:46:28,002 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-07 14:46:28,003 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-07 14:46:28,003 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-07 14:46:28,003 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-07 14:46:28,003 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-07 14:46:28,003 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-07 14:46:28,003 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 14:46:28,003 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__AddressBookEncrypt_spec__1 [2019-10-07 14:46:28,004 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-07 14:46:28,004 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-07 14:46:28,004 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-07 14:46:28,004 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-07 14:46:28,004 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-07 14:46:28,004 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-07 14:46:28,004 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-07 14:46:28,004 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-07 14:46:28,005 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-07 14:46:28,005 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-07 14:46:28,005 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-07 14:46:28,005 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2019-10-07 14:46:28,005 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2019-10-07 14:46:28,005 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-07 14:46:28,005 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-10-07 14:46:28,006 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 14:46:28,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 14:46:28,006 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 14:46:32,704 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 14:46:32,704 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-07 14:46:32,706 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:46:32 BoogieIcfgContainer [2019-10-07 14:46:32,707 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 14:46:32,708 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 14:46:32,708 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 14:46:32,711 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 14:46:32,711 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 02:46:26" (1/3) ... [2019-10-07 14:46:32,712 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@318786b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:46:32, skipping insertion in model container [2019-10-07 14:46:32,713 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:46:27" (2/3) ... [2019-10-07 14:46:32,713 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@318786b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:46:32, skipping insertion in model container [2019-10-07 14:46:32,713 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:46:32" (3/3) ... [2019-10-07 14:46:32,715 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec1_product29.cil.c [2019-10-07 14:46:32,726 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 14:46:32,735 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 14:46:32,747 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 14:46:32,776 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 14:46:32,777 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 14:46:32,777 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 14:46:32,777 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 14:46:32,777 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 14:46:32,777 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 14:46:32,828 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 14:46:32,829 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 14:46:32,874 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states. [2019-10-07 14:46:32,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2019-10-07 14:46:32,890 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:46:32,892 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:46:32,896 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:46:32,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:46:32,905 INFO L82 PathProgramCache]: Analyzing trace with hash -72604297, now seen corresponding path program 1 times [2019-10-07 14:46:32,913 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:46:32,913 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:46:32,913 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:46:32,914 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:46:32,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:46:33,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:46:33,506 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 14:46:33,507 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:46:33,508 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:46:33,508 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 14:46:33,512 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 14:46:33,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 14:46:33,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 14:46:33,530 INFO L87 Difference]: Start difference. First operand 418 states. Second operand 2 states. [2019-10-07 14:46:33,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:46:33,620 INFO L93 Difference]: Finished difference Result 583 states and 699 transitions. [2019-10-07 14:46:33,620 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 14:46:33,622 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 132 [2019-10-07 14:46:33,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:46:33,658 INFO L225 Difference]: With dead ends: 583 [2019-10-07 14:46:33,659 INFO L226 Difference]: Without dead ends: 370 [2019-10-07 14:46:33,671 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 14:46:33,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2019-10-07 14:46:33,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 370. [2019-10-07 14:46:33,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 370 states. [2019-10-07 14:46:33,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 440 transitions. [2019-10-07 14:46:33,756 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 440 transitions. Word has length 132 [2019-10-07 14:46:33,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:46:33,759 INFO L462 AbstractCegarLoop]: Abstraction has 370 states and 440 transitions. [2019-10-07 14:46:33,759 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 14:46:33,759 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 440 transitions. [2019-10-07 14:46:33,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2019-10-07 14:46:33,765 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:46:33,765 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:46:33,765 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:46:33,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:46:33,766 INFO L82 PathProgramCache]: Analyzing trace with hash -1824562732, now seen corresponding path program 1 times [2019-10-07 14:46:33,766 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:46:33,766 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:46:33,766 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:46:33,767 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:46:33,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:46:33,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:46:34,052 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 14:46:34,055 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:46:34,055 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:46:34,055 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:46:34,061 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:46:34,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:46:34,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:46:34,065 INFO L87 Difference]: Start difference. First operand 370 states and 440 transitions. Second operand 3 states. [2019-10-07 14:46:34,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:46:34,136 INFO L93 Difference]: Finished difference Result 568 states and 667 transitions. [2019-10-07 14:46:34,136 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:46:34,137 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 133 [2019-10-07 14:46:34,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:46:34,141 INFO L225 Difference]: With dead ends: 568 [2019-10-07 14:46:34,141 INFO L226 Difference]: Without dead ends: 372 [2019-10-07 14:46:34,143 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 14:46:34,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2019-10-07 14:46:34,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 372. [2019-10-07 14:46:34,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 372 states. [2019-10-07 14:46:34,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 442 transitions. [2019-10-07 14:46:34,178 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 442 transitions. Word has length 133 [2019-10-07 14:46:34,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:46:34,179 INFO L462 AbstractCegarLoop]: Abstraction has 372 states and 442 transitions. [2019-10-07 14:46:34,182 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:46:34,182 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 442 transitions. [2019-10-07 14:46:34,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2019-10-07 14:46:34,187 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:46:34,187 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:46:34,188 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:46:34,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:46:34,188 INFO L82 PathProgramCache]: Analyzing trace with hash 2115337185, now seen corresponding path program 1 times [2019-10-07 14:46:34,188 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:46:34,189 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:46:34,189 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:46:34,189 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:46:34,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:46:34,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:46:34,465 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 14:46:34,465 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:46:34,466 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:46:34,466 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:46:34,466 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:46:34,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:46:34,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:46:34,467 INFO L87 Difference]: Start difference. First operand 372 states and 442 transitions. Second operand 3 states. [2019-10-07 14:46:34,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:46:34,516 INFO L93 Difference]: Finished difference Result 726 states and 891 transitions. [2019-10-07 14:46:34,517 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:46:34,517 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 138 [2019-10-07 14:46:34,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:46:34,524 INFO L225 Difference]: With dead ends: 726 [2019-10-07 14:46:34,525 INFO L226 Difference]: Without dead ends: 412 [2019-10-07 14:46:34,526 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 14:46:34,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2019-10-07 14:46:34,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 411. [2019-10-07 14:46:34,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 411 states. [2019-10-07 14:46:34,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 510 transitions. [2019-10-07 14:46:34,598 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 510 transitions. Word has length 138 [2019-10-07 14:46:34,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:46:34,601 INFO L462 AbstractCegarLoop]: Abstraction has 411 states and 510 transitions. [2019-10-07 14:46:34,601 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:46:34,601 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 510 transitions. [2019-10-07 14:46:34,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2019-10-07 14:46:34,612 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:46:34,612 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:46:34,612 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:46:34,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:46:34,613 INFO L82 PathProgramCache]: Analyzing trace with hash -792480408, now seen corresponding path program 1 times [2019-10-07 14:46:34,613 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:46:34,614 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:46:34,614 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:46:34,615 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:46:34,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:46:34,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:46:35,498 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-07 14:46:35,498 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:46:35,498 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 14:46:35,499 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 14:46:36,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:46:36,194 INFO L256 TraceCheckSpWp]: Trace formula consists of 2691 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-07 14:46:36,211 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 14:46:36,316 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 14:46:36,317 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 14:46:36,562 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 14:46:36,563 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 14:46:36,594 INFO L162 IcfgInterpreter]: Started Sifa with 128 locations of interest [2019-10-07 14:46:36,595 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 14:46:36,602 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 14:46:36,610 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 14:46:36,611 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 14:47:27,155 WARN L191 SmtUtils]: Spent 407.00 ms on a formula simplification that was a NOOP. DAG size: 689 [2019-10-07 14:47:31,209 WARN L191 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 321 DAG size of output: 261 [2019-10-07 14:47:31,625 WARN L191 SmtUtils]: Spent 405.00 ms on a formula simplification that was a NOOP. DAG size: 732 [2019-10-07 14:47:32,022 WARN L191 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 732 [2019-10-07 14:47:32,357 WARN L191 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 732 [2019-10-07 14:47:32,560 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 451 [2019-10-07 14:47:33,271 WARN L191 SmtUtils]: Spent 709.00 ms on a formula simplification that was a NOOP. DAG size: 1031 [2019-10-07 14:47:34,145 WARN L191 SmtUtils]: Spent 846.00 ms on a formula simplification that was a NOOP. DAG size: 1031 [2019-10-07 14:47:34,840 WARN L191 SmtUtils]: Spent 689.00 ms on a formula simplification that was a NOOP. DAG size: 1031 [2019-10-07 14:47:35,013 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 451 [2019-10-07 14:47:35,647 WARN L191 SmtUtils]: Spent 632.00 ms on a formula simplification that was a NOOP. DAG size: 1031 [2019-10-07 14:47:36,843 WARN L191 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 1033 DAG size of output: 1031 [2019-10-07 14:47:37,431 WARN L191 SmtUtils]: Spent 584.00 ms on a formula simplification that was a NOOP. DAG size: 1031 [2019-10-07 14:47:37,577 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 451 [2019-10-07 14:47:38,215 WARN L191 SmtUtils]: Spent 637.00 ms on a formula simplification that was a NOOP. DAG size: 1031 [2019-10-07 14:47:38,830 WARN L191 SmtUtils]: Spent 611.00 ms on a formula simplification that was a NOOP. DAG size: 1031 [2019-10-07 14:47:39,438 WARN L191 SmtUtils]: Spent 605.00 ms on a formula simplification that was a NOOP. DAG size: 1031 [2019-10-07 14:47:39,567 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 451 [2019-10-07 14:47:40,189 WARN L191 SmtUtils]: Spent 619.00 ms on a formula simplification that was a NOOP. DAG size: 1031 [2019-10-07 14:47:40,218 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 562 for LOIs [2019-10-07 14:47:40,647 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 655 [2019-10-07 14:47:40,751 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 655 [2019-10-07 14:47:40,874 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 451 [2019-10-07 14:47:41,330 WARN L191 SmtUtils]: Spent 454.00 ms on a formula simplification that was a NOOP. DAG size: 954 [2019-10-07 14:47:41,332 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1080 for LOIs [2019-10-07 14:47:41,907 WARN L191 SmtUtils]: Spent 573.00 ms on a formula simplification that was a NOOP. DAG size: 1080 [2019-10-07 14:47:42,498 WARN L191 SmtUtils]: Spent 587.00 ms on a formula simplification that was a NOOP. DAG size: 1080 [2019-10-07 14:47:42,744 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 632 [2019-10-07 14:47:43,711 WARN L191 SmtUtils]: Spent 964.00 ms on a formula simplification that was a NOOP. DAG size: 1271 [2019-10-07 14:47:44,297 WARN L191 SmtUtils]: Spent 572.00 ms on a formula simplification that was a NOOP. DAG size: 1080 [2019-10-07 14:47:44,903 WARN L191 SmtUtils]: Spent 602.00 ms on a formula simplification that was a NOOP. DAG size: 1080 [2019-10-07 14:47:45,174 WARN L191 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 632 [2019-10-07 14:47:46,119 WARN L191 SmtUtils]: Spent 942.00 ms on a formula simplification that was a NOOP. DAG size: 1271 [2019-10-07 14:47:46,740 WARN L191 SmtUtils]: Spent 586.00 ms on a formula simplification that was a NOOP. DAG size: 1080 [2019-10-07 14:47:47,328 WARN L191 SmtUtils]: Spent 585.00 ms on a formula simplification that was a NOOP. DAG size: 1080 [2019-10-07 14:47:47,651 WARN L191 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 632 [2019-10-07 14:47:48,599 WARN L191 SmtUtils]: Spent 946.00 ms on a formula simplification that was a NOOP. DAG size: 1271 [2019-10-07 14:47:49,648 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 1273 DAG size of output: 1080 [2019-10-07 14:47:50,225 WARN L191 SmtUtils]: Spent 573.00 ms on a formula simplification that was a NOOP. DAG size: 1080 [2019-10-07 14:47:50,861 WARN L191 SmtUtils]: Spent 617.00 ms on a formula simplification. DAG size of input: 634 DAG size of output: 632 [2019-10-07 14:47:51,808 WARN L191 SmtUtils]: Spent 946.00 ms on a formula simplification that was a NOOP. DAG size: 1271 [2019-10-07 14:47:52,414 WARN L191 SmtUtils]: Spent 590.00 ms on a formula simplification that was a NOOP. DAG size: 1080 [2019-10-07 14:47:52,995 WARN L191 SmtUtils]: Spent 577.00 ms on a formula simplification that was a NOOP. DAG size: 1080 [2019-10-07 14:47:53,248 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 632 [2019-10-07 14:47:54,189 WARN L191 SmtUtils]: Spent 940.00 ms on a formula simplification that was a NOOP. DAG size: 1271 [2019-10-07 14:47:54,781 WARN L191 SmtUtils]: Spent 589.00 ms on a formula simplification that was a NOOP. DAG size: 1080 [2019-10-07 14:47:55,372 WARN L191 SmtUtils]: Spent 587.00 ms on a formula simplification that was a NOOP. DAG size: 1080 [2019-10-07 14:47:55,612 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 632 [2019-10-07 14:47:56,551 WARN L191 SmtUtils]: Spent 938.00 ms on a formula simplification that was a NOOP. DAG size: 1271 [2019-10-07 14:47:57,124 WARN L191 SmtUtils]: Spent 569.00 ms on a formula simplification that was a NOOP. DAG size: 1080 [2019-10-07 14:47:57,693 WARN L191 SmtUtils]: Spent 565.00 ms on a formula simplification that was a NOOP. DAG size: 1080 [2019-10-07 14:47:57,930 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 632 [2019-10-07 14:47:58,977 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1271 [2019-10-07 14:47:59,539 WARN L191 SmtUtils]: Spent 559.00 ms on a formula simplification that was a NOOP. DAG size: 1080 [2019-10-07 14:48:00,115 WARN L191 SmtUtils]: Spent 573.00 ms on a formula simplification that was a NOOP. DAG size: 1080 [2019-10-07 14:48:00,347 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 632 [2019-10-07 14:48:01,285 WARN L191 SmtUtils]: Spent 935.00 ms on a formula simplification that was a NOOP. DAG size: 1271 [2019-10-07 14:48:01,852 WARN L191 SmtUtils]: Spent 563.00 ms on a formula simplification that was a NOOP. DAG size: 1080 [2019-10-07 14:48:02,410 WARN L191 SmtUtils]: Spent 555.00 ms on a formula simplification that was a NOOP. DAG size: 1080 [2019-10-07 14:48:02,664 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 632 [2019-10-07 14:48:03,597 WARN L191 SmtUtils]: Spent 931.00 ms on a formula simplification that was a NOOP. DAG size: 1271 [2019-10-07 14:48:04,161 WARN L191 SmtUtils]: Spent 561.00 ms on a formula simplification that was a NOOP. DAG size: 1080 [2019-10-07 14:48:04,730 WARN L191 SmtUtils]: Spent 566.00 ms on a formula simplification that was a NOOP. DAG size: 1080 [2019-10-07 14:48:04,983 WARN L191 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 632 [2019-10-07 14:48:05,916 WARN L191 SmtUtils]: Spent 931.00 ms on a formula simplification that was a NOOP. DAG size: 1271 [2019-10-07 14:48:06,493 WARN L191 SmtUtils]: Spent 574.00 ms on a formula simplification that was a NOOP. DAG size: 1080 [2019-10-07 14:48:07,067 WARN L191 SmtUtils]: Spent 570.00 ms on a formula simplification that was a NOOP. DAG size: 1080 [2019-10-07 14:48:07,298 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 632 [2019-10-07 14:48:08,228 WARN L191 SmtUtils]: Spent 927.00 ms on a formula simplification that was a NOOP. DAG size: 1271 [2019-10-07 14:48:08,793 WARN L191 SmtUtils]: Spent 563.00 ms on a formula simplification that was a NOOP. DAG size: 1080 [2019-10-07 14:48:09,367 WARN L191 SmtUtils]: Spent 571.00 ms on a formula simplification that was a NOOP. DAG size: 1080 [2019-10-07 14:48:09,598 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 632 [2019-10-07 14:48:10,545 WARN L191 SmtUtils]: Spent 945.00 ms on a formula simplification that was a NOOP. DAG size: 1271 [2019-10-07 14:48:11,116 WARN L191 SmtUtils]: Spent 568.00 ms on a formula simplification that was a NOOP. DAG size: 1080 [2019-10-07 14:48:11,682 WARN L191 SmtUtils]: Spent 562.00 ms on a formula simplification that was a NOOP. DAG size: 1080 [2019-10-07 14:48:11,914 WARN L191 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 632 [2019-10-07 14:48:12,841 WARN L191 SmtUtils]: Spent 925.00 ms on a formula simplification that was a NOOP. DAG size: 1271 [2019-10-07 14:48:13,845 WARN L191 SmtUtils]: Spent 944.00 ms on a formula simplification that was a NOOP. DAG size: 1271 [2019-10-07 14:48:14,776 WARN L191 SmtUtils]: Spent 927.00 ms on a formula simplification that was a NOOP. DAG size: 1271 [2019-10-07 14:48:15,020 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 632 [2019-10-07 14:48:15,962 WARN L191 SmtUtils]: Spent 940.00 ms on a formula simplification that was a NOOP. DAG size: 1271 [2019-10-07 14:48:17,760 WARN L191 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 1273 DAG size of output: 1271 [2019-10-07 14:48:18,685 WARN L191 SmtUtils]: Spent 921.00 ms on a formula simplification that was a NOOP. DAG size: 1271 [2019-10-07 14:48:18,930 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 632 [2019-10-07 14:48:19,859 WARN L191 SmtUtils]: Spent 927.00 ms on a formula simplification that was a NOOP. DAG size: 1271 [2019-10-07 14:48:20,801 WARN L191 SmtUtils]: Spent 939.00 ms on a formula simplification that was a NOOP. DAG size: 1271 [2019-10-07 14:48:21,733 WARN L191 SmtUtils]: Spent 928.00 ms on a formula simplification that was a NOOP. DAG size: 1271 [2019-10-07 14:48:21,966 WARN L191 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 632 [2019-10-07 14:48:22,905 WARN L191 SmtUtils]: Spent 937.00 ms on a formula simplification that was a NOOP. DAG size: 1271 [2019-10-07 14:48:23,898 WARN L191 SmtUtils]: Spent 953.00 ms on a formula simplification that was a NOOP. DAG size: 1275 [2019-10-07 14:48:24,840 WARN L191 SmtUtils]: Spent 938.00 ms on a formula simplification that was a NOOP. DAG size: 1275 [2019-10-07 14:48:25,077 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 635 [2019-10-07 14:48:26,022 WARN L191 SmtUtils]: Spent 943.00 ms on a formula simplification that was a NOOP. DAG size: 1275 [2019-10-07 14:48:26,971 WARN L191 SmtUtils]: Spent 932.00 ms on a formula simplification that was a NOOP. DAG size: 1275 [2019-10-07 14:48:27,912 WARN L191 SmtUtils]: Spent 936.00 ms on a formula simplification that was a NOOP. DAG size: 1275 [2019-10-07 14:48:28,156 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 635 [2019-10-07 14:48:29,102 WARN L191 SmtUtils]: Spent 944.00 ms on a formula simplification that was a NOOP. DAG size: 1275 [2019-10-07 14:48:30,044 WARN L191 SmtUtils]: Spent 938.00 ms on a formula simplification that was a NOOP. DAG size: 1275 [2019-10-07 14:48:30,993 WARN L191 SmtUtils]: Spent 945.00 ms on a formula simplification that was a NOOP. DAG size: 1275 [2019-10-07 14:48:31,228 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 635 [2019-10-07 14:48:32,165 WARN L191 SmtUtils]: Spent 935.00 ms on a formula simplification that was a NOOP. DAG size: 1275 [2019-10-07 14:48:33,975 WARN L191 SmtUtils]: Spent 1.80 s on a formula simplification that was a NOOP. DAG size: 1273 [2019-10-07 14:48:34,904 WARN L191 SmtUtils]: Spent 925.00 ms on a formula simplification that was a NOOP. DAG size: 1273 [2019-10-07 14:48:35,142 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 635 [2019-10-07 14:48:36,082 WARN L191 SmtUtils]: Spent 939.00 ms on a formula simplification that was a NOOP. DAG size: 1275 [2019-10-07 14:48:37,015 WARN L191 SmtUtils]: Spent 929.00 ms on a formula simplification that was a NOOP. DAG size: 1275 [2019-10-07 14:48:37,945 WARN L191 SmtUtils]: Spent 926.00 ms on a formula simplification that was a NOOP. DAG size: 1275 [2019-10-07 14:48:38,191 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 635 [2019-10-07 14:48:39,128 WARN L191 SmtUtils]: Spent 934.00 ms on a formula simplification that was a NOOP. DAG size: 1277 [2019-10-07 14:48:40,866 WARN L191 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 1273 DAG size of output: 1271 [2019-10-07 14:48:41,804 WARN L191 SmtUtils]: Spent 934.00 ms on a formula simplification that was a NOOP. DAG size: 1271 [2019-10-07 14:48:42,049 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 632 [2019-10-07 14:48:42,978 WARN L191 SmtUtils]: Spent 928.00 ms on a formula simplification that was a NOOP. DAG size: 1271 [2019-10-07 14:48:45,397 WARN L191 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 1273 DAG size of output: 1271 [2019-10-07 14:48:46,332 WARN L191 SmtUtils]: Spent 930.00 ms on a formula simplification that was a NOOP. DAG size: 1271 [2019-10-07 14:48:46,594 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 632 [2019-10-07 14:48:47,528 WARN L191 SmtUtils]: Spent 932.00 ms on a formula simplification that was a NOOP. DAG size: 1271 [2019-10-07 14:48:48,459 WARN L191 SmtUtils]: Spent 928.00 ms on a formula simplification that was a NOOP. DAG size: 1271 [2019-10-07 14:48:49,386 WARN L191 SmtUtils]: Spent 923.00 ms on a formula simplification that was a NOOP. DAG size: 1271 [2019-10-07 14:48:49,621 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 632 [2019-10-07 14:48:50,560 WARN L191 SmtUtils]: Spent 937.00 ms on a formula simplification that was a NOOP. DAG size: 1271 [2019-10-07 14:48:53,197 WARN L191 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 1273 DAG size of output: 1271 [2019-10-07 14:48:54,136 WARN L191 SmtUtils]: Spent 935.00 ms on a formula simplification that was a NOOP. DAG size: 1271 [2019-10-07 14:48:54,381 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 632 [2019-10-07 14:48:55,304 WARN L191 SmtUtils]: Spent 921.00 ms on a formula simplification that was a NOOP. DAG size: 1271 [2019-10-07 14:48:57,030 WARN L191 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 1273 DAG size of output: 1271 [2019-10-07 14:48:57,980 WARN L191 SmtUtils]: Spent 946.00 ms on a formula simplification that was a NOOP. DAG size: 1271 [2019-10-07 14:48:58,222 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 632 [2019-10-07 14:48:59,160 WARN L191 SmtUtils]: Spent 936.00 ms on a formula simplification that was a NOOP. DAG size: 1271 [2019-10-07 14:49:00,098 WARN L191 SmtUtils]: Spent 934.00 ms on a formula simplification that was a NOOP. DAG size: 1271 [2019-10-07 14:49:01,053 WARN L191 SmtUtils]: Spent 950.00 ms on a formula simplification that was a NOOP. DAG size: 1271 [2019-10-07 14:49:01,293 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 632 [2019-10-07 14:49:02,249 WARN L191 SmtUtils]: Spent 954.00 ms on a formula simplification that was a NOOP. DAG size: 1271 [2019-10-07 14:49:03,243 WARN L191 SmtUtils]: Spent 958.00 ms on a formula simplification that was a NOOP. DAG size: 1275 [2019-10-07 14:49:04,202 WARN L191 SmtUtils]: Spent 955.00 ms on a formula simplification that was a NOOP. DAG size: 1275 [2019-10-07 14:49:04,445 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 635 [2019-10-07 14:49:05,394 WARN L191 SmtUtils]: Spent 948.00 ms on a formula simplification that was a NOOP. DAG size: 1275 [2019-10-07 14:49:07,054 WARN L191 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 1277 DAG size of output: 1273 [2019-10-07 14:49:08,003 WARN L191 SmtUtils]: Spent 946.00 ms on a formula simplification that was a NOOP. DAG size: 1273 [2019-10-07 14:49:08,246 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 635 [2019-10-07 14:49:09,209 WARN L191 SmtUtils]: Spent 960.00 ms on a formula simplification that was a NOOP. DAG size: 1275 [2019-10-07 14:49:10,822 WARN L191 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 1277 DAG size of output: 1273 [2019-10-07 14:49:11,788 WARN L191 SmtUtils]: Spent 962.00 ms on a formula simplification that was a NOOP. DAG size: 1273 [2019-10-07 14:49:12,024 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 635 [2019-10-07 14:49:12,980 WARN L191 SmtUtils]: Spent 953.00 ms on a formula simplification that was a NOOP. DAG size: 1275 [2019-10-07 14:49:14,688 WARN L191 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 1277 DAG size of output: 1273 [2019-10-07 14:49:15,634 WARN L191 SmtUtils]: Spent 941.00 ms on a formula simplification that was a NOOP. DAG size: 1273 [2019-10-07 14:49:15,910 WARN L191 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 635 [2019-10-07 14:49:16,863 WARN L191 SmtUtils]: Spent 951.00 ms on a formula simplification that was a NOOP. DAG size: 1275 [2019-10-07 14:49:18,586 WARN L191 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 1279 DAG size of output: 1275 [2019-10-07 14:49:19,530 WARN L191 SmtUtils]: Spent 941.00 ms on a formula simplification that was a NOOP. DAG size: 1275 [2019-10-07 14:49:19,779 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 635 [2019-10-07 14:49:20,737 WARN L191 SmtUtils]: Spent 955.00 ms on a formula simplification that was a NOOP. DAG size: 1277 [2019-10-07 14:49:21,001 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 14:49:21,002 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 14:49:21,009 INFO L168 Benchmark]: Toolchain (without parser) took 174528.45 ms. Allocated memory was 145.8 MB in the beginning and 1.3 GB in the end (delta: 1.2 GB). Free memory was 99.1 MB in the beginning and 740.5 MB in the end (delta: -641.5 MB). Peak memory consumption was 520.3 MB. Max. memory is 7.1 GB. [2019-10-07 14:49:21,010 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 145.8 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-07 14:49:21,010 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1182.13 ms. Allocated memory was 145.8 MB in the beginning and 202.4 MB in the end (delta: 56.6 MB). Free memory was 98.6 MB in the beginning and 137.2 MB in the end (delta: -38.6 MB). Peak memory consumption was 28.0 MB. Max. memory is 7.1 GB. [2019-10-07 14:49:21,011 INFO L168 Benchmark]: Boogie Preprocessor took 236.57 ms. Allocated memory is still 202.4 MB. Free memory was 137.2 MB in the beginning and 127.6 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2019-10-07 14:49:21,012 INFO L168 Benchmark]: RCFGBuilder took 4805.47 ms. Allocated memory was 202.4 MB in the beginning and 295.2 MB in the end (delta: 92.8 MB). Free memory was 127.6 MB in the beginning and 84.2 MB in the end (delta: 43.4 MB). Peak memory consumption was 136.2 MB. Max. memory is 7.1 GB. [2019-10-07 14:49:21,012 INFO L168 Benchmark]: TraceAbstraction took 168299.84 ms. Allocated memory was 295.2 MB in the beginning and 1.3 GB in the end (delta: 1.0 GB). Free memory was 84.2 MB in the beginning and 740.5 MB in the end (delta: -656.3 MB). Peak memory consumption was 356.1 MB. Max. memory is 7.1 GB. [2019-10-07 14:49:21,016 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 145.8 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1182.13 ms. Allocated memory was 145.8 MB in the beginning and 202.4 MB in the end (delta: 56.6 MB). Free memory was 98.6 MB in the beginning and 137.2 MB in the end (delta: -38.6 MB). Peak memory consumption was 28.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 236.57 ms. Allocated memory is still 202.4 MB. Free memory was 137.2 MB in the beginning and 127.6 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4805.47 ms. Allocated memory was 202.4 MB in the beginning and 295.2 MB in the end (delta: 92.8 MB). Free memory was 127.6 MB in the beginning and 84.2 MB in the end (delta: 43.4 MB). Peak memory consumption was 136.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 168299.84 ms. Allocated memory was 295.2 MB in the beginning and 1.3 GB in the end (delta: 1.0 GB). Free memory was 84.2 MB in the beginning and 740.5 MB in the end (delta: -656.3 MB). Peak memory consumption was 356.1 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...