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_product22.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 14:45:37,657 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 14:45:37,660 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 14:45:37,678 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 14:45:37,678 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 14:45:37,680 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 14:45:37,682 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 14:45:37,694 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 14:45:37,695 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 14:45:37,696 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 14:45:37,698 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 14:45:37,700 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 14:45:37,700 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 14:45:37,703 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 14:45:37,705 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 14:45:37,706 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 14:45:37,708 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 14:45:37,712 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 14:45:37,713 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 14:45:37,717 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 14:45:37,720 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 14:45:37,723 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 14:45:37,724 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 14:45:37,727 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 14:45:37,730 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 14:45:37,730 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 14:45:37,730 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 14:45:37,733 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 14:45:37,734 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 14:45:37,735 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 14:45:37,735 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 14:45:37,736 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 14:45:37,737 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 14:45:37,738 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 14:45:37,739 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 14:45:37,740 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 14:45:37,740 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 14:45:37,740 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 14:45:37,741 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 14:45:37,743 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 14:45:37,744 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 14:45:37,745 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 14:45:37,763 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 14:45:37,763 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 14:45:37,767 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 14:45:37,767 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 14:45:37,768 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 14:45:37,768 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 14:45:37,768 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 14:45:37,768 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 14:45:37,768 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 14:45:37,769 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 14:45:37,770 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 14:45:37,770 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 14:45:37,770 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 14:45:37,771 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 14:45:37,771 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 14:45:37,771 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 14:45:37,771 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 14:45:37,772 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 14:45:37,772 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 14:45:37,772 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 14:45:37,772 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 14:45:37,772 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 14:45:37,773 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 14:45:37,773 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 14:45:37,773 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 14:45:37,773 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 14:45:37,773 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 14:45:37,774 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 14:45:37,774 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 14:45:38,068 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 14:45:38,081 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 14:45:38,084 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 14:45:38,086 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 14:45:38,086 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 14:45:38,087 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec1_product22.cil.c [2019-10-07 14:45:38,145 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3153f6d72/57591d2de7d74555b62d0d80f51251a6/FLAG69c47a7fa [2019-10-07 14:45:38,740 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 14:45:38,741 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec1_product22.cil.c [2019-10-07 14:45:38,772 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3153f6d72/57591d2de7d74555b62d0d80f51251a6/FLAG69c47a7fa [2019-10-07 14:45:38,971 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3153f6d72/57591d2de7d74555b62d0d80f51251a6 [2019-10-07 14:45:38,981 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 14:45:38,982 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 14:45:38,983 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 14:45:38,983 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 14:45:38,985 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 14:45:38,986 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:45:38" (1/1) ... [2019-10-07 14:45:38,988 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ef0aef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:45:38, skipping insertion in model container [2019-10-07 14:45:38,988 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:45:38" (1/1) ... [2019-10-07 14:45:38,993 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 14:45:39,069 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 14:45:39,862 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:45:39,880 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 14:45:40,037 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:45:40,140 INFO L192 MainTranslator]: Completed translation [2019-10-07 14:45:40,140 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:45:40 WrapperNode [2019-10-07 14:45:40,141 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 14:45:40,142 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 14:45:40,142 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 14:45:40,143 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 14:45:40,157 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:45:40" (1/1) ... [2019-10-07 14:45:40,157 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:45:40" (1/1) ... [2019-10-07 14:45:40,213 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:45:40" (1/1) ... [2019-10-07 14:45:40,216 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:45:40" (1/1) ... [2019-10-07 14:45:40,298 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:45:40" (1/1) ... [2019-10-07 14:45:40,316 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:45:40" (1/1) ... [2019-10-07 14:45:40,327 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:45:40" (1/1) ... [2019-10-07 14:45:40,344 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 14:45:40,345 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 14:45:40,345 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 14:45:40,345 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 14:45:40,346 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:45:40" (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 14:45:40,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 14:45:40,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 14:45:40,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 14:45:40,423 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 14:45:40,424 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 14:45:40,424 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 14:45:40,424 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 14:45:40,424 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 14:45:40,424 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 14:45:40,425 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-07 14:45:40,425 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-07 14:45:40,425 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-07 14:45:40,425 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-07 14:45:40,426 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-07 14:45:40,426 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-07 14:45:40,426 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 14:45:40,426 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-07 14:45:40,427 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-07 14:45:40,427 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-07 14:45:40,427 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-07 14:45:40,427 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-07 14:45:40,427 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-07 14:45:40,428 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-07 14:45:40,428 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-07 14:45:40,428 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-07 14:45:40,428 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-07 14:45:40,429 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-07 14:45:40,429 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-07 14:45:40,429 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-07 14:45:40,429 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-07 14:45:40,429 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-07 14:45:40,429 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-07 14:45:40,430 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-07 14:45:40,430 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-07 14:45:40,430 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-07 14:45:40,430 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-07 14:45:40,430 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-07 14:45:40,431 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-07 14:45:40,431 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 14:45:40,431 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 14:45:40,431 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 14:45:40,431 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 14:45:40,431 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__AddressBookEncrypt_spec__1 [2019-10-07 14:45:40,432 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-07 14:45:40,432 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-07 14:45:40,432 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-07 14:45:40,432 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-07 14:45:40,432 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-07 14:45:40,432 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-07 14:45:40,433 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-07 14:45:40,433 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-07 14:45:40,433 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 14:45:40,433 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 14:45:40,433 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-07 14:45:40,433 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-07 14:45:40,434 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-07 14:45:40,434 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-07 14:45:40,434 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-07 14:45:40,434 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-07 14:45:40,434 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-07 14:45:40,435 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-07 14:45:40,435 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-07 14:45:40,435 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-07 14:45:40,435 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-07 14:45:40,435 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 14:45:40,436 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-07 14:45:40,436 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-07 14:45:40,436 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-07 14:45:40,436 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-07 14:45:40,436 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-07 14:45:40,437 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-07 14:45:40,437 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-07 14:45:40,437 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-07 14:45:40,437 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-07 14:45:40,437 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-07 14:45:40,437 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-07 14:45:40,438 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-07 14:45:40,438 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-07 14:45:40,438 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-07 14:45:40,438 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-07 14:45:40,438 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-07 14:45:40,439 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-07 14:45:40,439 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-07 14:45:40,439 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-07 14:45:40,439 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-07 14:45:40,439 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-07 14:45:40,439 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-07 14:45:40,440 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-07 14:45:40,440 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-07 14:45:40,440 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-07 14:45:40,440 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-07 14:45:40,440 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-07 14:45:40,440 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-07 14:45:40,441 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-07 14:45:40,441 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-07 14:45:40,441 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-07 14:45:40,441 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-07 14:45:40,441 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-07 14:45:40,441 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2019-10-07 14:45:40,441 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AutoResponder [2019-10-07 14:45:40,442 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-10-07 14:45:40,442 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-07 14:45:40,442 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-07 14:45:40,442 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-07 14:45:40,442 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-07 14:45:40,442 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-07 14:45:40,442 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-07 14:45:40,443 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-07 14:45:40,443 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-07 14:45:40,443 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-07 14:45:40,443 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-07 14:45:40,443 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-07 14:45:40,443 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 14:45:40,444 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 14:45:40,444 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 14:45:40,444 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 14:45:40,444 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 14:45:40,444 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 14:45:40,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 14:45:40,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 14:45:40,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 14:45:40,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 14:45:40,445 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 14:45:40,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 14:45:40,445 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 14:45:40,445 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 14:45:40,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 14:45:40,446 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 14:45:40,446 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 14:45:40,446 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 14:45:40,446 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 14:45:40,446 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 14:45:40,446 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-07 14:45:40,447 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-07 14:45:40,447 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-07 14:45:40,447 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-07 14:45:40,447 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-07 14:45:40,447 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-07 14:45:40,447 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-07 14:45:40,448 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-07 14:45:40,448 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-07 14:45:40,448 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-07 14:45:40,448 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-07 14:45:40,448 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-07 14:45:40,448 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-07 14:45:40,448 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-07 14:45:40,449 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-07 14:45:40,449 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-07 14:45:40,449 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-07 14:45:40,449 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-07 14:45:40,449 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-07 14:45:40,449 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-07 14:45:40,450 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-07 14:45:40,450 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-07 14:45:40,450 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-07 14:45:40,450 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 14:45:40,450 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-07 14:45:40,450 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-07 14:45:40,450 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-07 14:45:40,450 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-07 14:45:40,451 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-07 14:45:40,451 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-07 14:45:40,451 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-07 14:45:40,451 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-07 14:45:40,451 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-07 14:45:40,451 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-07 14:45:40,451 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-07 14:45:40,452 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-07 14:45:40,452 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-07 14:45:40,452 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-07 14:45:40,452 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-07 14:45:40,452 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 14:45:40,452 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 14:45:40,452 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 14:45:40,452 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 14:45:40,453 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 14:45:40,453 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-07 14:45:40,453 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__AddressBookEncrypt_spec__1 [2019-10-07 14:45:40,453 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-07 14:45:40,453 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-07 14:45:40,453 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-07 14:45:40,453 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-07 14:45:40,453 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-07 14:45:40,454 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-07 14:45:40,454 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-07 14:45:40,454 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-07 14:45:40,454 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-07 14:45:40,454 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-07 14:45:40,454 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-07 14:45:40,454 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-07 14:45:40,455 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-07 14:45:40,455 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-07 14:45:40,455 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-07 14:45:40,455 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-07 14:45:40,455 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-07 14:45:40,455 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-07 14:45:40,455 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-07 14:45:40,455 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 14:45:40,456 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 14:45:40,456 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-07 14:45:40,456 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-07 14:45:40,456 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-07 14:45:40,456 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-07 14:45:40,456 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-07 14:45:40,456 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-07 14:45:40,456 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-07 14:45:40,457 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-07 14:45:40,457 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-07 14:45:40,457 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-07 14:45:40,457 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-07 14:45:40,457 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-07 14:45:40,457 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-07 14:45:40,458 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-07 14:45:40,458 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-07 14:45:40,458 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-07 14:45:40,458 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-07 14:45:40,458 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-07 14:45:40,458 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-07 14:45:40,458 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-07 14:45:40,458 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-07 14:45:40,459 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-07 14:45:40,459 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-07 14:45:40,459 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-07 14:45:40,459 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-07 14:45:40,459 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-07 14:45:40,459 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-07 14:45:40,460 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-07 14:45:40,460 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-07 14:45:40,460 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-07 14:45:40,460 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-07 14:45:40,460 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-07 14:45:40,460 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-07 14:45:40,460 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-07 14:45:40,460 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2019-10-07 14:45:40,461 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AutoResponder [2019-10-07 14:45:40,461 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-10-07 14:45:40,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 14:45:40,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 14:45:40,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 14:45:44,588 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 14:45:44,589 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-07 14:45:44,590 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:45:44 BoogieIcfgContainer [2019-10-07 14:45:44,590 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 14:45:44,592 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 14:45:44,592 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 14:45:44,596 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 14:45:44,596 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 02:45:38" (1/3) ... [2019-10-07 14:45:44,597 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@287be936 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:45:44, skipping insertion in model container [2019-10-07 14:45:44,597 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:45:40" (2/3) ... [2019-10-07 14:45:44,598 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@287be936 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:45:44, skipping insertion in model container [2019-10-07 14:45:44,598 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:45:44" (3/3) ... [2019-10-07 14:45:44,602 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec1_product22.cil.c [2019-10-07 14:45:44,611 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 14:45:44,619 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 14:45:44,630 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 14:45:44,658 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 14:45:44,658 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 14:45:44,658 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 14:45:44,658 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 14:45:44,658 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 14:45:44,659 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 14:45:44,659 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 14:45:44,659 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 14:45:44,685 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states. [2019-10-07 14:45:44,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2019-10-07 14:45:44,700 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:45:44,702 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] [2019-10-07 14:45:44,704 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:45:44,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:45:44,710 INFO L82 PathProgramCache]: Analyzing trace with hash 240363842, now seen corresponding path program 1 times [2019-10-07 14:45:44,718 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:45:44,719 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:45:44,719 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:45:44,719 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:45:44,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:45:45,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:45:45,300 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 14:45:45,301 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:45:45,302 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:45:45,302 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 14:45:45,308 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 14:45:45,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 14:45:45,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 14:45:45,325 INFO L87 Difference]: Start difference. First operand 372 states. Second operand 2 states. [2019-10-07 14:45:45,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:45:45,398 INFO L93 Difference]: Finished difference Result 545 states and 644 transitions. [2019-10-07 14:45:45,398 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 14:45:45,400 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 114 [2019-10-07 14:45:45,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:45:45,422 INFO L225 Difference]: With dead ends: 545 [2019-10-07 14:45:45,422 INFO L226 Difference]: Without dead ends: 351 [2019-10-07 14:45:45,427 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 14:45:45,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2019-10-07 14:45:45,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 351. [2019-10-07 14:45:45,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 351 states. [2019-10-07 14:45:45,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 414 transitions. [2019-10-07 14:45:45,511 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 414 transitions. Word has length 114 [2019-10-07 14:45:45,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:45:45,514 INFO L462 AbstractCegarLoop]: Abstraction has 351 states and 414 transitions. [2019-10-07 14:45:45,514 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 14:45:45,515 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 414 transitions. [2019-10-07 14:45:45,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2019-10-07 14:45:45,519 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:45:45,520 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] [2019-10-07 14:45:45,520 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:45:45,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:45:45,520 INFO L82 PathProgramCache]: Analyzing trace with hash -1274806318, now seen corresponding path program 1 times [2019-10-07 14:45:45,521 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:45:45,521 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:45:45,521 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:45:45,521 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:45:45,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:45:45,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:45:45,831 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 14:45:45,832 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:45:45,832 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:45:45,832 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:45:45,834 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:45:45,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:45:45,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:45:45,835 INFO L87 Difference]: Start difference. First operand 351 states and 414 transitions. Second operand 3 states. [2019-10-07 14:45:45,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:45:45,890 INFO L93 Difference]: Finished difference Result 530 states and 616 transitions. [2019-10-07 14:45:45,890 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:45:45,890 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 115 [2019-10-07 14:45:45,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:45:45,897 INFO L225 Difference]: With dead ends: 530 [2019-10-07 14:45:45,898 INFO L226 Difference]: Without dead ends: 353 [2019-10-07 14:45:45,900 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 14:45:45,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2019-10-07 14:45:45,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 353. [2019-10-07 14:45:45,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 353 states. [2019-10-07 14:45:45,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 416 transitions. [2019-10-07 14:45:45,934 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 416 transitions. Word has length 115 [2019-10-07 14:45:45,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:45:45,935 INFO L462 AbstractCegarLoop]: Abstraction has 353 states and 416 transitions. [2019-10-07 14:45:45,935 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:45:45,935 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 416 transitions. [2019-10-07 14:45:45,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2019-10-07 14:45:45,938 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:45:45,938 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] [2019-10-07 14:45:45,939 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:45:45,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:45:45,939 INFO L82 PathProgramCache]: Analyzing trace with hash 994264163, now seen corresponding path program 1 times [2019-10-07 14:45:45,939 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:45:45,939 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:45:45,940 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:45:45,940 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:45:45,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:45:45,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:45:46,074 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 14:45:46,074 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:45:46,075 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:45:46,075 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:45:46,076 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:45:46,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:45:46,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:45:46,076 INFO L87 Difference]: Start difference. First operand 353 states and 416 transitions. Second operand 3 states. [2019-10-07 14:45:46,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:45:46,112 INFO L93 Difference]: Finished difference Result 690 states and 842 transitions. [2019-10-07 14:45:46,112 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:45:46,113 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 127 [2019-10-07 14:45:46,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:45:46,117 INFO L225 Difference]: With dead ends: 690 [2019-10-07 14:45:46,117 INFO L226 Difference]: Without dead ends: 395 [2019-10-07 14:45:46,121 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 14:45:46,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2019-10-07 14:45:46,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 394. [2019-10-07 14:45:46,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 394 states. [2019-10-07 14:45:46,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 487 transitions. [2019-10-07 14:45:46,183 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 487 transitions. Word has length 127 [2019-10-07 14:45:46,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:45:46,184 INFO L462 AbstractCegarLoop]: Abstraction has 394 states and 487 transitions. [2019-10-07 14:45:46,184 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:45:46,184 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 487 transitions. [2019-10-07 14:45:46,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2019-10-07 14:45:46,192 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:45:46,193 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] [2019-10-07 14:45:46,193 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:45:46,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:45:46,193 INFO L82 PathProgramCache]: Analyzing trace with hash -1259832824, now seen corresponding path program 1 times [2019-10-07 14:45:46,194 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:45:46,194 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:45:46,195 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:45:46,195 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:45:46,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:45:46,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:45:46,463 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 14:45:46,463 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:45:46,465 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 14:45:46,465 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 14:45:47,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:45:47,080 INFO L256 TraceCheckSpWp]: Trace formula consists of 2374 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-07 14:45:47,100 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 14:45:47,160 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 14:45:47,160 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 14:45:47,333 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 14:45:47,334 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 14:45:47,363 INFO L162 IcfgInterpreter]: Started Sifa with 117 locations of interest [2019-10-07 14:45:47,363 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 14:45:47,370 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 14:45:47,386 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 14:45:47,387 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 14:46:19,442 WARN L191 SmtUtils]: Spent 406.00 ms on a formula simplification that was a NOOP. DAG size: 656 [2019-10-07 14:46:22,760 WARN L191 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 274 DAG size of output: 223 [2019-10-07 14:46:23,136 WARN L191 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 690 [2019-10-07 14:46:23,389 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 690 [2019-10-07 14:46:23,575 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 690 [2019-10-07 14:46:23,779 WARN L191 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 442 [2019-10-07 14:46:24,382 WARN L191 SmtUtils]: Spent 600.00 ms on a formula simplification that was a NOOP. DAG size: 983 [2019-10-07 14:46:25,012 WARN L191 SmtUtils]: Spent 611.00 ms on a formula simplification that was a NOOP. DAG size: 983 [2019-10-07 14:46:25,616 WARN L191 SmtUtils]: Spent 601.00 ms on a formula simplification that was a NOOP. DAG size: 983 [2019-10-07 14:46:25,779 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 442 [2019-10-07 14:46:26,365 WARN L191 SmtUtils]: Spent 584.00 ms on a formula simplification that was a NOOP. DAG size: 983 [2019-10-07 14:46:27,494 WARN L191 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 985 DAG size of output: 983 [2019-10-07 14:46:28,096 WARN L191 SmtUtils]: Spent 597.00 ms on a formula simplification that was a NOOP. DAG size: 983 [2019-10-07 14:46:28,235 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 442 [2019-10-07 14:46:28,823 WARN L191 SmtUtils]: Spent 586.00 ms on a formula simplification that was a NOOP. DAG size: 983 [2019-10-07 14:46:29,406 WARN L191 SmtUtils]: Spent 579.00 ms on a formula simplification that was a NOOP. DAG size: 983 [2019-10-07 14:46:29,959 WARN L191 SmtUtils]: Spent 550.00 ms on a formula simplification that was a NOOP. DAG size: 983 [2019-10-07 14:46:30,095 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 442 [2019-10-07 14:46:30,670 WARN L191 SmtUtils]: Spent 573.00 ms on a formula simplification that was a NOOP. DAG size: 983 [2019-10-07 14:46:30,693 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 544 for LOIs [2019-10-07 14:46:30,964 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 625 [2019-10-07 14:46:31,190 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 442 [2019-10-07 14:46:31,622 WARN L191 SmtUtils]: Spent 431.00 ms on a formula simplification that was a NOOP. DAG size: 918 [2019-10-07 14:46:31,624 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1022 for LOIs [2019-10-07 14:46:32,175 WARN L191 SmtUtils]: Spent 550.00 ms on a formula simplification that was a NOOP. DAG size: 1022 [2019-10-07 14:46:32,726 WARN L191 SmtUtils]: Spent 547.00 ms on a formula simplification that was a NOOP. DAG size: 1022 [2019-10-07 14:46:32,943 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 569 [2019-10-07 14:46:33,731 WARN L191 SmtUtils]: Spent 786.00 ms on a formula simplification that was a NOOP. DAG size: 1151 [2019-10-07 14:46:34,315 WARN L191 SmtUtils]: Spent 571.00 ms on a formula simplification that was a NOOP. DAG size: 1022 [2019-10-07 14:46:34,873 WARN L191 SmtUtils]: Spent 554.00 ms on a formula simplification that was a NOOP. DAG size: 1022 [2019-10-07 14:46:35,072 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 569 [2019-10-07 14:46:35,861 WARN L191 SmtUtils]: Spent 787.00 ms on a formula simplification that was a NOOP. DAG size: 1151 [2019-10-07 14:46:36,467 WARN L191 SmtUtils]: Spent 576.00 ms on a formula simplification that was a NOOP. DAG size: 1022 [2019-10-07 14:46:37,025 WARN L191 SmtUtils]: Spent 553.00 ms on a formula simplification that was a NOOP. DAG size: 1022 [2019-10-07 14:46:37,226 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 569 [2019-10-07 14:46:38,022 WARN L191 SmtUtils]: Spent 795.00 ms on a formula simplification that was a NOOP. DAG size: 1151 [2019-10-07 14:46:39,044 WARN L191 SmtUtils]: Spent 995.00 ms on a formula simplification. DAG size of input: 1153 DAG size of output: 1022 [2019-10-07 14:46:39,587 WARN L191 SmtUtils]: Spent 539.00 ms on a formula simplification that was a NOOP. DAG size: 1022 [2019-10-07 14:46:39,839 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 569 [2019-10-07 14:46:40,617 WARN L191 SmtUtils]: Spent 776.00 ms on a formula simplification that was a NOOP. DAG size: 1151 [2019-10-07 14:46:41,182 WARN L191 SmtUtils]: Spent 551.00 ms on a formula simplification that was a NOOP. DAG size: 1022 [2019-10-07 14:46:41,723 WARN L191 SmtUtils]: Spent 538.00 ms on a formula simplification that was a NOOP. DAG size: 1022 [2019-10-07 14:46:41,917 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 569 [2019-10-07 14:46:42,707 WARN L191 SmtUtils]: Spent 788.00 ms on a formula simplification that was a NOOP. DAG size: 1151 [2019-10-07 14:46:43,265 WARN L191 SmtUtils]: Spent 555.00 ms on a formula simplification that was a NOOP. DAG size: 1022 [2019-10-07 14:46:43,818 WARN L191 SmtUtils]: Spent 549.00 ms on a formula simplification that was a NOOP. DAG size: 1022 [2019-10-07 14:46:44,052 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 569 [2019-10-07 14:46:44,839 WARN L191 SmtUtils]: Spent 785.00 ms on a formula simplification that was a NOOP. DAG size: 1151 [2019-10-07 14:46:45,379 WARN L191 SmtUtils]: Spent 537.00 ms on a formula simplification that was a NOOP. DAG size: 1022 [2019-10-07 14:46:45,919 WARN L191 SmtUtils]: Spent 537.00 ms on a formula simplification that was a NOOP. DAG size: 1022 [2019-10-07 14:46:46,124 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 569 [2019-10-07 14:46:46,915 WARN L191 SmtUtils]: Spent 789.00 ms on a formula simplification that was a NOOP. DAG size: 1151 [2019-10-07 14:46:47,463 WARN L191 SmtUtils]: Spent 545.00 ms on a formula simplification that was a NOOP. DAG size: 1022 [2019-10-07 14:46:48,009 WARN L191 SmtUtils]: Spent 542.00 ms on a formula simplification that was a NOOP. DAG size: 1022 [2019-10-07 14:46:48,215 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 569 [2019-10-07 14:46:49,006 WARN L191 SmtUtils]: Spent 789.00 ms on a formula simplification that was a NOOP. DAG size: 1151 [2019-10-07 14:46:49,552 WARN L191 SmtUtils]: Spent 542.00 ms on a formula simplification that was a NOOP. DAG size: 1022 [2019-10-07 14:46:50,106 WARN L191 SmtUtils]: Spent 552.00 ms on a formula simplification that was a NOOP. DAG size: 1022 [2019-10-07 14:46:50,300 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 569 [2019-10-07 14:46:51,097 WARN L191 SmtUtils]: Spent 795.00 ms on a formula simplification that was a NOOP. DAG size: 1151 [2019-10-07 14:46:51,643 WARN L191 SmtUtils]: Spent 543.00 ms on a formula simplification that was a NOOP. DAG size: 1022 [2019-10-07 14:46:52,188 WARN L191 SmtUtils]: Spent 542.00 ms on a formula simplification that was a NOOP. DAG size: 1022 [2019-10-07 14:46:52,411 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 569 [2019-10-07 14:46:53,204 WARN L191 SmtUtils]: Spent 790.00 ms on a formula simplification that was a NOOP. DAG size: 1151 [2019-10-07 14:46:53,759 WARN L191 SmtUtils]: Spent 552.00 ms on a formula simplification that was a NOOP. DAG size: 1022 [2019-10-07 14:46:54,305 WARN L191 SmtUtils]: Spent 543.00 ms on a formula simplification that was a NOOP. DAG size: 1022 [2019-10-07 14:46:54,497 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 569 [2019-10-07 14:46:55,289 WARN L191 SmtUtils]: Spent 789.00 ms on a formula simplification that was a NOOP. DAG size: 1151 [2019-10-07 14:46:55,833 WARN L191 SmtUtils]: Spent 541.00 ms on a formula simplification that was a NOOP. DAG size: 1022 [2019-10-07 14:46:56,383 WARN L191 SmtUtils]: Spent 547.00 ms on a formula simplification that was a NOOP. DAG size: 1022 [2019-10-07 14:46:56,575 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 569 [2019-10-07 14:46:57,363 WARN L191 SmtUtils]: Spent 786.00 ms on a formula simplification that was a NOOP. DAG size: 1151 [2019-10-07 14:46:57,907 WARN L191 SmtUtils]: Spent 540.00 ms on a formula simplification that was a NOOP. DAG size: 1022 [2019-10-07 14:46:58,460 WARN L191 SmtUtils]: Spent 550.00 ms on a formula simplification that was a NOOP. DAG size: 1022 [2019-10-07 14:46:58,651 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 569 [2019-10-07 14:46:59,446 WARN L191 SmtUtils]: Spent 792.00 ms on a formula simplification that was a NOOP. DAG size: 1151 [2019-10-07 14:47:00,295 WARN L191 SmtUtils]: Spent 799.00 ms on a formula simplification that was a NOOP. DAG size: 1151 [2019-10-07 14:47:01,090 WARN L191 SmtUtils]: Spent 791.00 ms on a formula simplification that was a NOOP. DAG size: 1151 [2019-10-07 14:47:01,337 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 569 [2019-10-07 14:47:02,134 WARN L191 SmtUtils]: Spent 795.00 ms on a formula simplification that was a NOOP. DAG size: 1151 [2019-10-07 14:47:03,603 WARN L191 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 1153 DAG size of output: 1151 [2019-10-07 14:47:04,399 WARN L191 SmtUtils]: Spent 793.00 ms on a formula simplification that was a NOOP. DAG size: 1151 [2019-10-07 14:47:04,608 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 569 [2019-10-07 14:47:05,403 WARN L191 SmtUtils]: Spent 792.00 ms on a formula simplification that was a NOOP. DAG size: 1151 [2019-10-07 14:47:06,190 WARN L191 SmtUtils]: Spent 784.00 ms on a formula simplification that was a NOOP. DAG size: 1151 [2019-10-07 14:47:06,980 WARN L191 SmtUtils]: Spent 787.00 ms on a formula simplification that was a NOOP. DAG size: 1151 [2019-10-07 14:47:07,175 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 569 [2019-10-07 14:47:07,970 WARN L191 SmtUtils]: Spent 792.00 ms on a formula simplification that was a NOOP. DAG size: 1151 [2019-10-07 14:47:08,815 WARN L191 SmtUtils]: Spent 811.00 ms on a formula simplification that was a NOOP. DAG size: 1153 [2019-10-07 14:47:09,612 WARN L191 SmtUtils]: Spent 793.00 ms on a formula simplification that was a NOOP. DAG size: 1153 [2019-10-07 14:47:09,820 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 572 [2019-10-07 14:47:10,618 WARN L191 SmtUtils]: Spent 793.00 ms on a formula simplification that was a NOOP. DAG size: 1155 [2019-10-07 14:47:12,087 WARN L191 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 1157 DAG size of output: 1153 [2019-10-07 14:47:12,887 WARN L191 SmtUtils]: Spent 797.00 ms on a formula simplification that was a NOOP. DAG size: 1153 [2019-10-07 14:47:13,097 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 572 [2019-10-07 14:47:13,898 WARN L191 SmtUtils]: Spent 799.00 ms on a formula simplification that was a NOOP. DAG size: 1155 [2019-10-07 14:47:14,686 WARN L191 SmtUtils]: Spent 784.00 ms on a formula simplification that was a NOOP. DAG size: 1153 [2019-10-07 14:47:15,483 WARN L191 SmtUtils]: Spent 794.00 ms on a formula simplification that was a NOOP. DAG size: 1153 [2019-10-07 14:47:15,678 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 572 [2019-10-07 14:47:16,477 WARN L191 SmtUtils]: Spent 796.00 ms on a formula simplification that was a NOOP. DAG size: 1155 [2019-10-07 14:47:17,282 WARN L191 SmtUtils]: Spent 797.00 ms on a formula simplification that was a NOOP. DAG size: 1153 [2019-10-07 14:47:18,071 WARN L191 SmtUtils]: Spent 786.00 ms on a formula simplification that was a NOOP. DAG size: 1153 [2019-10-07 14:47:18,277 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 572 [2019-10-07 14:47:19,083 WARN L191 SmtUtils]: Spent 803.00 ms on a formula simplification that was a NOOP. DAG size: 1155 [2019-10-07 14:47:19,882 WARN L191 SmtUtils]: Spent 795.00 ms on a formula simplification that was a NOOP. DAG size: 1155 [2019-10-07 14:47:20,684 WARN L191 SmtUtils]: Spent 799.00 ms on a formula simplification that was a NOOP. DAG size: 1155 [2019-10-07 14:47:20,884 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 572 [2019-10-07 14:47:21,687 WARN L191 SmtUtils]: Spent 801.00 ms on a formula simplification that was a NOOP. DAG size: 1157 [2019-10-07 14:47:23,942 WARN L191 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 1153 DAG size of output: 1151 [2019-10-07 14:47:24,742 WARN L191 SmtUtils]: Spent 797.00 ms on a formula simplification that was a NOOP. DAG size: 1151 [2019-10-07 14:47:24,947 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 569 [2019-10-07 14:47:25,737 WARN L191 SmtUtils]: Spent 788.00 ms on a formula simplification that was a NOOP. DAG size: 1151 [2019-10-07 14:47:28,128 WARN L191 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 1153 DAG size of output: 1151 [2019-10-07 14:47:28,930 WARN L191 SmtUtils]: Spent 798.00 ms on a formula simplification that was a NOOP. DAG size: 1151 [2019-10-07 14:47:29,149 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 569 [2019-10-07 14:47:29,939 WARN L191 SmtUtils]: Spent 788.00 ms on a formula simplification that was a NOOP. DAG size: 1151 [2019-10-07 14:47:30,722 WARN L191 SmtUtils]: Spent 780.00 ms on a formula simplification that was a NOOP. DAG size: 1151 [2019-10-07 14:47:31,521 WARN L191 SmtUtils]: Spent 796.00 ms on a formula simplification that was a NOOP. DAG size: 1151 [2019-10-07 14:47:31,718 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 569 [2019-10-07 14:47:32,511 WARN L191 SmtUtils]: Spent 791.00 ms on a formula simplification that was a NOOP. DAG size: 1151 [2019-10-07 14:47:33,975 WARN L191 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 1153 DAG size of output: 1151 [2019-10-07 14:47:34,786 WARN L191 SmtUtils]: Spent 807.00 ms on a formula simplification that was a NOOP. DAG size: 1151 [2019-10-07 14:47:34,986 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 569 [2019-10-07 14:47:35,779 WARN L191 SmtUtils]: Spent 792.00 ms on a formula simplification that was a NOOP. DAG size: 1151 [2019-10-07 14:47:37,223 WARN L191 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 1153 DAG size of output: 1151 [2019-10-07 14:47:38,014 WARN L191 SmtUtils]: Spent 787.00 ms on a formula simplification that was a NOOP. DAG size: 1151 [2019-10-07 14:47:38,214 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 569 [2019-10-07 14:47:39,009 WARN L191 SmtUtils]: Spent 793.00 ms on a formula simplification that was a NOOP. DAG size: 1151 [2019-10-07 14:47:39,812 WARN L191 SmtUtils]: Spent 800.00 ms on a formula simplification that was a NOOP. DAG size: 1151 [2019-10-07 14:47:40,610 WARN L191 SmtUtils]: Spent 795.00 ms on a formula simplification that was a NOOP. DAG size: 1151 [2019-10-07 14:47:40,806 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 569 [2019-10-07 14:47:41,609 WARN L191 SmtUtils]: Spent 801.00 ms on a formula simplification that was a NOOP. DAG size: 1151 [2019-10-07 14:47:43,070 WARN L191 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 1157 DAG size of output: 1155 [2019-10-07 14:47:43,874 WARN L191 SmtUtils]: Spent 801.00 ms on a formula simplification that was a NOOP. DAG size: 1155 [2019-10-07 14:47:44,077 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 572 [2019-10-07 14:47:44,891 WARN L191 SmtUtils]: Spent 812.00 ms on a formula simplification that was a NOOP. DAG size: 1155 [2019-10-07 14:47:46,340 WARN L191 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 1157 DAG size of output: 1155 [2019-10-07 14:47:47,141 WARN L191 SmtUtils]: Spent 797.00 ms on a formula simplification that was a NOOP. DAG size: 1155 [2019-10-07 14:47:47,350 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 572 [2019-10-07 14:47:48,150 WARN L191 SmtUtils]: Spent 797.00 ms on a formula simplification that was a NOOP. DAG size: 1155 [2019-10-07 14:47:49,604 WARN L191 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 1157 DAG size of output: 1155 [2019-10-07 14:47:50,408 WARN L191 SmtUtils]: Spent 800.00 ms on a formula simplification that was a NOOP. DAG size: 1155 [2019-10-07 14:47:50,605 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 572 [2019-10-07 14:47:51,416 WARN L191 SmtUtils]: Spent 808.00 ms on a formula simplification that was a NOOP. DAG size: 1155 [2019-10-07 14:47:52,784 WARN L191 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 1162 DAG size of output: 1155 [2019-10-07 14:47:53,580 WARN L191 SmtUtils]: Spent 792.00 ms on a formula simplification that was a NOOP. DAG size: 1155 [2019-10-07 14:47:53,813 WARN L191 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 572 [2019-10-07 14:47:54,613 WARN L191 SmtUtils]: Spent 797.00 ms on a formula simplification that was a NOOP. DAG size: 1155 [2019-10-07 14:47:55,990 WARN L191 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 1164 DAG size of output: 1157 [2019-10-07 14:47:56,788 WARN L191 SmtUtils]: Spent 794.00 ms on a formula simplification that was a NOOP. DAG size: 1157 [2019-10-07 14:47:56,994 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 572 [2019-10-07 14:47:57,787 WARN L191 SmtUtils]: Spent 790.00 ms on a formula simplification that was a NOOP. DAG size: 1157 [2019-10-07 14:47:58,036 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 14:47:58,038 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 14:47:58,043 INFO L168 Benchmark]: Toolchain (without parser) took 139061.57 ms. Allocated memory was 148.4 MB in the beginning and 832.0 MB in the end (delta: 683.7 MB). Free memory was 103.6 MB in the beginning and 165.4 MB in the end (delta: -61.8 MB). Peak memory consumption was 621.9 MB. Max. memory is 7.1 GB. [2019-10-07 14:47:58,044 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 148.4 MB. Free memory was 124.8 MB in the beginning and 124.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-10-07 14:47:58,045 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1159.37 ms. Allocated memory was 148.4 MB in the beginning and 205.0 MB in the end (delta: 56.6 MB). Free memory was 103.2 MB in the beginning and 139.7 MB in the end (delta: -36.5 MB). Peak memory consumption was 28.1 MB. Max. memory is 7.1 GB. [2019-10-07 14:47:58,045 INFO L168 Benchmark]: Boogie Preprocessor took 201.92 ms. Allocated memory is still 205.0 MB. Free memory was 139.7 MB in the beginning and 130.4 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-10-07 14:47:58,046 INFO L168 Benchmark]: RCFGBuilder took 4245.78 ms. Allocated memory was 205.0 MB in the beginning and 285.7 MB in the end (delta: 80.7 MB). Free memory was 130.4 MB in the beginning and 197.1 MB in the end (delta: -66.6 MB). Peak memory consumption was 124.4 MB. Max. memory is 7.1 GB. [2019-10-07 14:47:58,047 INFO L168 Benchmark]: TraceAbstraction took 133450.13 ms. Allocated memory was 285.7 MB in the beginning and 832.0 MB in the end (delta: 546.3 MB). Free memory was 194.2 MB in the beginning and 165.4 MB in the end (delta: 28.8 MB). Peak memory consumption was 575.1 MB. Max. memory is 7.1 GB. [2019-10-07 14:47:58,054 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 148.4 MB. Free memory was 124.8 MB in the beginning and 124.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1159.37 ms. Allocated memory was 148.4 MB in the beginning and 205.0 MB in the end (delta: 56.6 MB). Free memory was 103.2 MB in the beginning and 139.7 MB in the end (delta: -36.5 MB). Peak memory consumption was 28.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 201.92 ms. Allocated memory is still 205.0 MB. Free memory was 139.7 MB in the beginning and 130.4 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4245.78 ms. Allocated memory was 205.0 MB in the beginning and 285.7 MB in the end (delta: 80.7 MB). Free memory was 130.4 MB in the beginning and 197.1 MB in the end (delta: -66.6 MB). Peak memory consumption was 124.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 133450.13 ms. Allocated memory was 285.7 MB in the beginning and 832.0 MB in the end (delta: 546.3 MB). Free memory was 194.2 MB in the beginning and 165.4 MB in the end (delta: 28.8 MB). Peak memory consumption was 575.1 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...