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_spec11_product24.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 14:43:03,656 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 14:43:03,659 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 14:43:03,674 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 14:43:03,674 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 14:43:03,675 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 14:43:03,677 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 14:43:03,678 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 14:43:03,680 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 14:43:03,681 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 14:43:03,682 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 14:43:03,687 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 14:43:03,687 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 14:43:03,688 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 14:43:03,689 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 14:43:03,690 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 14:43:03,691 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 14:43:03,692 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 14:43:03,693 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 14:43:03,695 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 14:43:03,697 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 14:43:03,698 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 14:43:03,699 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 14:43:03,699 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 14:43:03,703 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 14:43:03,703 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 14:43:03,704 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 14:43:03,704 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 14:43:03,705 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 14:43:03,706 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 14:43:03,706 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 14:43:03,708 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 14:43:03,709 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 14:43:03,710 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 14:43:03,711 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 14:43:03,711 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 14:43:03,712 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 14:43:03,712 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 14:43:03,712 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 14:43:03,716 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 14:43:03,717 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 14:43:03,718 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 14:43:03,736 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 14:43:03,736 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 14:43:03,737 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 14:43:03,738 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 14:43:03,738 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 14:43:03,738 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 14:43:03,738 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 14:43:03,739 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 14:43:03,739 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 14:43:03,739 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 14:43:03,739 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 14:43:03,739 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 14:43:03,740 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 14:43:03,740 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 14:43:03,740 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 14:43:03,740 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 14:43:03,740 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 14:43:03,741 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 14:43:03,741 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 14:43:03,741 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 14:43:03,741 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 14:43:03,741 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 14:43:03,742 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 14:43:03,742 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 14:43:03,742 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 14:43:03,742 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 14:43:03,742 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 14:43:03,743 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 14:43:03,743 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 14:43:04,016 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 14:43:04,037 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 14:43:04,040 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 14:43:04,042 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 14:43:04,042 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 14:43:04,043 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec11_product24.cil.c [2019-10-07 14:43:04,117 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4555505cc/b2874b2ae2f2408e88d865497bba33c1/FLAG47a9f480d [2019-10-07 14:43:04,725 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 14:43:04,726 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec11_product24.cil.c [2019-10-07 14:43:04,760 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4555505cc/b2874b2ae2f2408e88d865497bba33c1/FLAG47a9f480d [2019-10-07 14:43:04,963 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4555505cc/b2874b2ae2f2408e88d865497bba33c1 [2019-10-07 14:43:04,972 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 14:43:04,973 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 14:43:04,974 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 14:43:04,975 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 14:43:04,978 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 14:43:04,979 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:43:04" (1/1) ... [2019-10-07 14:43:04,981 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@489c2918 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:43:04, skipping insertion in model container [2019-10-07 14:43:04,982 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:43:04" (1/1) ... [2019-10-07 14:43:04,988 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 14:43:05,076 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 14:43:05,784 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:43:05,801 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 14:43:05,921 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:43:06,004 INFO L192 MainTranslator]: Completed translation [2019-10-07 14:43:06,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:43:06 WrapperNode [2019-10-07 14:43:06,005 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 14:43:06,005 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 14:43:06,006 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 14:43:06,006 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 14:43:06,016 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:43:06" (1/1) ... [2019-10-07 14:43:06,016 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:43:06" (1/1) ... [2019-10-07 14:43:06,048 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:43:06" (1/1) ... [2019-10-07 14:43:06,048 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:43:06" (1/1) ... [2019-10-07 14:43:06,130 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:43:06" (1/1) ... [2019-10-07 14:43:06,166 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:43:06" (1/1) ... [2019-10-07 14:43:06,191 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:43:06" (1/1) ... [2019-10-07 14:43:06,209 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 14:43:06,210 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 14:43:06,210 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 14:43:06,210 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 14:43:06,211 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:43:06" (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 14:43:06,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 14:43:06,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 14:43:06,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 14:43:06,301 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-07 14:43:06,301 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-07 14:43:06,302 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-07 14:43:06,303 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-07 14:43:06,303 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-07 14:43:06,304 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-07 14:43:06,304 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-07 14:43:06,304 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-07 14:43:06,305 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 14:43:06,305 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 14:43:06,305 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-07 14:43:06,306 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-07 14:43:06,306 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-07 14:43:06,308 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-07 14:43:06,308 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-07 14:43:06,309 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-07 14:43:06,309 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-07 14:43:06,309 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-07 14:43:06,309 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-07 14:43:06,310 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-07 14:43:06,310 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-07 14:43:06,311 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 14:43:06,311 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 14:43:06,311 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 14:43:06,311 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 14:43:06,312 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 14:43:06,312 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 14:43:06,312 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 14:43:06,313 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-07 14:43:06,313 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-07 14:43:06,313 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-07 14:43:06,314 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-07 14:43:06,314 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-07 14:43:06,314 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-07 14:43:06,314 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-07 14:43:06,314 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-07 14:43:06,314 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-07 14:43:06,315 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-07 14:43:06,315 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-07 14:43:06,315 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-07 14:43:06,315 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-07 14:43:06,315 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-07 14:43:06,316 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-07 14:43:06,316 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-07 14:43:06,316 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-07 14:43:06,316 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-07 14:43:06,316 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-07 14:43:06,317 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-07 14:43:06,317 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-07 14:43:06,317 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-07 14:43:06,317 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-07 14:43:06,317 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-07 14:43:06,317 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-07 14:43:06,318 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-07 14:43:06,318 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-07 14:43:06,318 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-07 14:43:06,319 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-07 14:43:06,319 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 14:43:06,319 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 14:43:06,320 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 14:43:06,320 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 14:43:06,320 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AutoResponder [2019-10-07 14:43:06,320 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2019-10-07 14:43:06,321 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-07 14:43:06,321 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-07 14:43:06,321 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-07 14:43:06,321 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-07 14:43:06,321 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-07 14:43:06,322 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-07 14:43:06,322 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-07 14:43:06,323 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-07 14:43:06,323 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-07 14:43:06,323 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-07 14:43:06,324 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-07 14:43:06,324 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-07 14:43:06,324 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-07 14:43:06,325 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-07 14:43:06,325 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-07 14:43:06,326 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-07 14:43:06,326 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-07 14:43:06,326 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-07 14:43:06,326 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-07 14:43:06,326 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-07 14:43:06,327 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-07 14:43:06,327 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-07 14:43:06,328 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-07 14:43:06,328 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-07 14:43:06,328 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-07 14:43:06,328 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-07 14:43:06,328 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptAutoResponder_spec__1 [2019-10-07 14:43:06,329 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 14:43:06,329 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-07 14:43:06,329 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-10-07 14:43:06,329 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-07 14:43:06,329 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-07 14:43:06,329 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Keys [2019-10-07 14:43:06,330 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-07 14:43:06,330 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-10-07 14:43:06,330 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-07 14:43:06,330 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-07 14:43:06,330 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-07 14:43:06,331 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-07 14:43:06,331 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-07 14:43:06,331 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-07 14:43:06,331 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-07 14:43:06,331 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-07 14:43:06,331 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-07 14:43:06,332 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-07 14:43:06,332 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-07 14:43:06,332 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-07 14:43:06,332 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-07 14:43:06,332 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 14:43:06,332 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 14:43:06,333 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 14:43:06,333 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-07 14:43:06,333 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-07 14:43:06,334 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-07 14:43:06,334 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-07 14:43:06,334 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-07 14:43:06,334 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-07 14:43:06,335 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-07 14:43:06,336 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-07 14:43:06,336 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-07 14:43:06,336 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-07 14:43:06,336 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 14:43:06,336 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 14:43:06,337 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 14:43:06,337 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-07 14:43:06,337 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-07 14:43:06,338 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-07 14:43:06,338 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-07 14:43:06,341 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-07 14:43:06,342 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-07 14:43:06,342 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-07 14:43:06,342 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-07 14:43:06,343 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-07 14:43:06,343 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-07 14:43:06,343 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-07 14:43:06,343 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 14:43:06,343 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 14:43:06,344 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 14:43:06,351 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-07 14:43:06,351 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-07 14:43:06,351 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-07 14:43:06,351 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-07 14:43:06,351 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-07 14:43:06,351 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-07 14:43:06,352 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-07 14:43:06,352 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-07 14:43:06,352 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-07 14:43:06,352 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-07 14:43:06,352 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-07 14:43:06,353 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-07 14:43:06,353 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-07 14:43:06,353 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-07 14:43:06,353 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 14:43:06,353 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 14:43:06,353 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 14:43:06,353 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 14:43:06,354 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 14:43:06,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 14:43:06,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 14:43:06,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 14:43:06,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 14:43:06,354 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 14:43:06,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 14:43:06,354 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 14:43:06,355 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 14:43:06,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 14:43:06,355 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 14:43:06,355 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 14:43:06,355 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 14:43:06,355 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 14:43:06,355 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-07 14:43:06,355 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-07 14:43:06,356 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-07 14:43:06,356 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-07 14:43:06,356 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-07 14:43:06,356 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-07 14:43:06,356 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-07 14:43:06,356 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-07 14:43:06,356 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-07 14:43:06,356 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-07 14:43:06,356 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-07 14:43:06,357 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-07 14:43:06,357 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-07 14:43:06,357 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-07 14:43:06,357 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-07 14:43:06,357 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-07 14:43:06,357 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-07 14:43:06,358 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-07 14:43:06,358 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-07 14:43:06,358 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-07 14:43:06,358 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 14:43:06,358 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-07 14:43:06,358 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-07 14:43:06,358 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-07 14:43:06,358 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-07 14:43:06,359 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-07 14:43:06,359 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-07 14:43:06,359 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-07 14:43:06,359 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-07 14:43:06,359 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-07 14:43:06,359 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-07 14:43:06,360 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-07 14:43:06,360 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-07 14:43:06,360 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AutoResponder [2019-10-07 14:43:06,360 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2019-10-07 14:43:06,360 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-07 14:43:06,360 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-07 14:43:06,360 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-07 14:43:06,361 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-07 14:43:06,361 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-07 14:43:06,361 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-07 14:43:06,361 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-07 14:43:06,361 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-07 14:43:06,361 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-07 14:43:06,361 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-07 14:43:06,362 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-07 14:43:06,362 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-07 14:43:06,362 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-07 14:43:06,362 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-07 14:43:06,362 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptAutoResponder_spec__1 [2019-10-07 14:43:06,362 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-07 14:43:06,362 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-07 14:43:06,362 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-07 14:43:06,363 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-07 14:43:06,363 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-07 14:43:06,363 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-07 14:43:06,363 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-07 14:43:06,363 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-07 14:43:06,363 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-07 14:43:06,363 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-07 14:43:06,363 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-10-07 14:43:06,364 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Keys [2019-10-07 14:43:06,364 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-07 14:43:06,364 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-10-07 14:43:06,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 14:43:06,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 14:43:06,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 14:43:10,672 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 14:43:10,673 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-07 14:43:10,674 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:43:10 BoogieIcfgContainer [2019-10-07 14:43:10,674 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 14:43:10,676 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 14:43:10,676 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 14:43:10,679 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 14:43:10,680 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 02:43:04" (1/3) ... [2019-10-07 14:43:10,681 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64652ee7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:43:10, skipping insertion in model container [2019-10-07 14:43:10,681 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:43:06" (2/3) ... [2019-10-07 14:43:10,681 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64652ee7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:43:10, skipping insertion in model container [2019-10-07 14:43:10,681 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:43:10" (3/3) ... [2019-10-07 14:43:10,683 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec11_product24.cil.c [2019-10-07 14:43:10,693 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 14:43:10,703 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 14:43:10,715 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 14:43:10,744 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 14:43:10,745 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 14:43:10,745 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 14:43:10,745 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 14:43:10,745 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 14:43:10,745 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 14:43:10,745 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 14:43:10,746 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 14:43:10,772 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states. [2019-10-07 14:43:10,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-10-07 14:43:10,790 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:43:10,791 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, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:43:10,793 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:43:10,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:43:10,799 INFO L82 PathProgramCache]: Analyzing trace with hash -1522807433, now seen corresponding path program 1 times [2019-10-07 14:43:10,808 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:43:10,809 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:43:10,809 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:43:10,809 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:43:10,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:43:11,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:43:11,477 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-07 14:43:11,478 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:43:11,478 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:43:11,478 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 14:43:11,484 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 14:43:11,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 14:43:11,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 14:43:11,501 INFO L87 Difference]: Start difference. First operand 380 states. Second operand 2 states. [2019-10-07 14:43:11,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:43:11,615 INFO L93 Difference]: Finished difference Result 561 states and 656 transitions. [2019-10-07 14:43:11,615 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 14:43:11,616 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 146 [2019-10-07 14:43:11,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:43:11,652 INFO L225 Difference]: With dead ends: 561 [2019-10-07 14:43:11,653 INFO L226 Difference]: Without dead ends: 359 [2019-10-07 14:43:11,667 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 14:43:11,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2019-10-07 14:43:11,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 359. [2019-10-07 14:43:11,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 359 states. [2019-10-07 14:43:11,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 418 transitions. [2019-10-07 14:43:11,791 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 418 transitions. Word has length 146 [2019-10-07 14:43:11,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:43:11,794 INFO L462 AbstractCegarLoop]: Abstraction has 359 states and 418 transitions. [2019-10-07 14:43:11,794 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 14:43:11,794 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 418 transitions. [2019-10-07 14:43:11,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2019-10-07 14:43:11,806 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:43:11,807 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, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:43:11,807 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:43:11,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:43:11,808 INFO L82 PathProgramCache]: Analyzing trace with hash -1804720397, now seen corresponding path program 1 times [2019-10-07 14:43:11,808 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:43:11,809 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:43:11,809 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:43:11,809 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:43:11,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:43:11,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:43:12,065 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-07 14:43:12,065 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:43:12,066 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:43:12,066 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:43:12,068 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:43:12,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:43:12,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:43:12,068 INFO L87 Difference]: Start difference. First operand 359 states and 418 transitions. Second operand 3 states. [2019-10-07 14:43:12,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:43:12,123 INFO L93 Difference]: Finished difference Result 546 states and 624 transitions. [2019-10-07 14:43:12,123 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:43:12,123 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 147 [2019-10-07 14:43:12,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:43:12,128 INFO L225 Difference]: With dead ends: 546 [2019-10-07 14:43:12,128 INFO L226 Difference]: Without dead ends: 361 [2019-10-07 14:43:12,131 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 14:43:12,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2019-10-07 14:43:12,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 361. [2019-10-07 14:43:12,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 361 states. [2019-10-07 14:43:12,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 420 transitions. [2019-10-07 14:43:12,163 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 420 transitions. Word has length 147 [2019-10-07 14:43:12,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:43:12,164 INFO L462 AbstractCegarLoop]: Abstraction has 361 states and 420 transitions. [2019-10-07 14:43:12,164 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:43:12,164 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 420 transitions. [2019-10-07 14:43:12,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2019-10-07 14:43:12,168 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:43:12,168 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:43:12,169 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:43:12,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:43:12,169 INFO L82 PathProgramCache]: Analyzing trace with hash 535367124, now seen corresponding path program 1 times [2019-10-07 14:43:12,169 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:43:12,169 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:43:12,170 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:43:12,170 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:43:12,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:43:12,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:43:12,471 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-07 14:43:12,473 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:43:12,474 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:43:12,474 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:43:12,474 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:43:12,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:43:12,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:43:12,475 INFO L87 Difference]: Start difference. First operand 361 states and 420 transitions. Second operand 3 states. [2019-10-07 14:43:12,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:43:12,520 INFO L93 Difference]: Finished difference Result 706 states and 850 transitions. [2019-10-07 14:43:12,521 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:43:12,521 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 159 [2019-10-07 14:43:12,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:43:12,526 INFO L225 Difference]: With dead ends: 706 [2019-10-07 14:43:12,526 INFO L226 Difference]: Without dead ends: 403 [2019-10-07 14:43:12,528 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 14:43:12,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2019-10-07 14:43:12,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 402. [2019-10-07 14:43:12,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 402 states. [2019-10-07 14:43:12,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 491 transitions. [2019-10-07 14:43:12,554 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 491 transitions. Word has length 159 [2019-10-07 14:43:12,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:43:12,554 INFO L462 AbstractCegarLoop]: Abstraction has 402 states and 491 transitions. [2019-10-07 14:43:12,555 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:43:12,555 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 491 transitions. [2019-10-07 14:43:12,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2019-10-07 14:43:12,560 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:43:12,560 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:43:12,560 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:43:12,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:43:12,561 INFO L82 PathProgramCache]: Analyzing trace with hash -626629770, now seen corresponding path program 1 times [2019-10-07 14:43:12,561 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:43:12,561 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:43:12,561 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:43:12,562 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:43:12,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:43:12,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:43:12,818 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-10-07 14:43:12,818 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:43:12,819 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 14:43:12,819 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 14:43:13,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:43:13,626 INFO L256 TraceCheckSpWp]: Trace formula consists of 2599 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-07 14:43:13,643 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 14:43:13,728 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-07 14:43:13,728 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 14:43:13,959 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-07 14:43:13,959 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 14:43:13,989 INFO L162 IcfgInterpreter]: Started Sifa with 147 locations of interest [2019-10-07 14:43:13,989 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 14:43:13,996 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 14:43:14,004 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 14:43:14,005 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 14:43:56,467 WARN L191 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 664 [2019-10-07 14:43:59,961 WARN L191 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 281 DAG size of output: 229 [2019-10-07 14:44:00,326 WARN L191 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 697 [2019-10-07 14:44:00,709 WARN L191 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 697 [2019-10-07 14:44:01,037 WARN L191 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 697 [2019-10-07 14:44:01,254 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 441 [2019-10-07 14:44:01,907 WARN L191 SmtUtils]: Spent 650.00 ms on a formula simplification that was a NOOP. DAG size: 989 [2019-10-07 14:44:02,637 WARN L191 SmtUtils]: Spent 665.00 ms on a formula simplification that was a NOOP. DAG size: 989 [2019-10-07 14:44:03,241 WARN L191 SmtUtils]: Spent 600.00 ms on a formula simplification that was a NOOP. DAG size: 989 [2019-10-07 14:44:03,394 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 441 [2019-10-07 14:44:03,998 WARN L191 SmtUtils]: Spent 602.00 ms on a formula simplification that was a NOOP. DAG size: 989 [2019-10-07 14:44:05,192 WARN L191 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 991 DAG size of output: 989 [2019-10-07 14:44:05,773 WARN L191 SmtUtils]: Spent 577.00 ms on a formula simplification that was a NOOP. DAG size: 989 [2019-10-07 14:44:05,911 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 441 [2019-10-07 14:44:06,486 WARN L191 SmtUtils]: Spent 572.00 ms on a formula simplification that was a NOOP. DAG size: 989 [2019-10-07 14:44:07,029 WARN L191 SmtUtils]: Spent 540.00 ms on a formula simplification that was a NOOP. DAG size: 989 [2019-10-07 14:44:07,592 WARN L191 SmtUtils]: Spent 560.00 ms on a formula simplification that was a NOOP. DAG size: 989 [2019-10-07 14:44:07,725 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 441 [2019-10-07 14:44:08,304 WARN L191 SmtUtils]: Spent 577.00 ms on a formula simplification that was a NOOP. DAG size: 989 [2019-10-07 14:44:08,335 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 547 for LOIs [2019-10-07 14:44:08,763 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 632 [2019-10-07 14:44:08,868 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 632 [2019-10-07 14:44:09,000 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 441 [2019-10-07 14:44:09,486 WARN L191 SmtUtils]: Spent 484.00 ms on a formula simplification that was a NOOP. DAG size: 924 [2019-10-07 14:44:09,487 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1031 for LOIs [2019-10-07 14:44:10,042 WARN L191 SmtUtils]: Spent 554.00 ms on a formula simplification that was a NOOP. DAG size: 1031 [2019-10-07 14:44:10,611 WARN L191 SmtUtils]: Spent 565.00 ms on a formula simplification that was a NOOP. DAG size: 1031 [2019-10-07 14:44:10,850 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 14:44:11,635 WARN L191 SmtUtils]: Spent 783.00 ms on a formula simplification that was a NOOP. DAG size: 1161 [2019-10-07 14:44:12,206 WARN L191 SmtUtils]: Spent 549.00 ms on a formula simplification that was a NOOP. DAG size: 1037 [2019-10-07 14:44:12,778 WARN L191 SmtUtils]: Spent 568.00 ms on a formula simplification that was a NOOP. DAG size: 1037 [2019-10-07 14:44:13,002 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2019-10-07 14:44:13,804 WARN L191 SmtUtils]: Spent 799.00 ms on a formula simplification that was a NOOP. DAG size: 1167 [2019-10-07 14:44:14,461 WARN L191 SmtUtils]: Spent 624.00 ms on a formula simplification that was a NOOP. DAG size: 1037 [2019-10-07 14:44:15,017 WARN L191 SmtUtils]: Spent 553.00 ms on a formula simplification that was a NOOP. DAG size: 1037 [2019-10-07 14:44:15,239 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2019-10-07 14:44:16,034 WARN L191 SmtUtils]: Spent 793.00 ms on a formula simplification that was a NOOP. DAG size: 1167 [2019-10-07 14:44:17,065 WARN L191 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 1169 DAG size of output: 1037 [2019-10-07 14:44:17,633 WARN L191 SmtUtils]: Spent 565.00 ms on a formula simplification that was a NOOP. DAG size: 1037 [2019-10-07 14:44:18,021 WARN L191 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 578 DAG size of output: 576 [2019-10-07 14:44:18,814 WARN L191 SmtUtils]: Spent 791.00 ms on a formula simplification that was a NOOP. DAG size: 1167 [2019-10-07 14:44:19,368 WARN L191 SmtUtils]: Spent 541.00 ms on a formula simplification that was a NOOP. DAG size: 1037 [2019-10-07 14:44:19,923 WARN L191 SmtUtils]: Spent 551.00 ms on a formula simplification that was a NOOP. DAG size: 1037 [2019-10-07 14:44:20,119 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2019-10-07 14:44:20,910 WARN L191 SmtUtils]: Spent 788.00 ms on a formula simplification that was a NOOP. DAG size: 1167 [2019-10-07 14:44:21,507 WARN L191 SmtUtils]: Spent 594.00 ms on a formula simplification that was a NOOP. DAG size: 1037 [2019-10-07 14:44:22,056 WARN L191 SmtUtils]: Spent 546.00 ms on a formula simplification that was a NOOP. DAG size: 1037 [2019-10-07 14:44:22,250 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2019-10-07 14:44:23,072 WARN L191 SmtUtils]: Spent 820.00 ms on a formula simplification that was a NOOP. DAG size: 1167 [2019-10-07 14:44:23,626 WARN L191 SmtUtils]: Spent 551.00 ms on a formula simplification that was a NOOP. DAG size: 1037 [2019-10-07 14:44:24,182 WARN L191 SmtUtils]: Spent 552.00 ms on a formula simplification that was a NOOP. DAG size: 1037 [2019-10-07 14:44:24,389 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2019-10-07 14:44:25,185 WARN L191 SmtUtils]: Spent 794.00 ms on a formula simplification that was a NOOP. DAG size: 1167 [2019-10-07 14:44:25,738 WARN L191 SmtUtils]: Spent 550.00 ms on a formula simplification that was a NOOP. DAG size: 1037 [2019-10-07 14:44:26,286 WARN L191 SmtUtils]: Spent 545.00 ms on a formula simplification that was a NOOP. DAG size: 1037 [2019-10-07 14:44:26,483 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2019-10-07 14:44:27,277 WARN L191 SmtUtils]: Spent 792.00 ms on a formula simplification that was a NOOP. DAG size: 1167 [2019-10-07 14:44:27,822 WARN L191 SmtUtils]: Spent 541.00 ms on a formula simplification that was a NOOP. DAG size: 1037 [2019-10-07 14:44:28,374 WARN L191 SmtUtils]: Spent 549.00 ms on a formula simplification that was a NOOP. DAG size: 1037 [2019-10-07 14:44:28,570 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2019-10-07 14:44:29,361 WARN L191 SmtUtils]: Spent 789.00 ms on a formula simplification that was a NOOP. DAG size: 1167 [2019-10-07 14:44:29,916 WARN L191 SmtUtils]: Spent 552.00 ms on a formula simplification that was a NOOP. DAG size: 1037 [2019-10-07 14:44:30,472 WARN L191 SmtUtils]: Spent 552.00 ms on a formula simplification that was a NOOP. DAG size: 1037 [2019-10-07 14:44:30,667 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2019-10-07 14:44:31,459 WARN L191 SmtUtils]: Spent 790.00 ms on a formula simplification that was a NOOP. DAG size: 1167 [2019-10-07 14:44:32,002 WARN L191 SmtUtils]: Spent 540.00 ms on a formula simplification that was a NOOP. DAG size: 1037 [2019-10-07 14:44:32,550 WARN L191 SmtUtils]: Spent 545.00 ms on a formula simplification that was a NOOP. DAG size: 1037 [2019-10-07 14:44:32,764 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2019-10-07 14:44:33,552 WARN L191 SmtUtils]: Spent 786.00 ms on a formula simplification that was a NOOP. DAG size: 1167 [2019-10-07 14:44:34,097 WARN L191 SmtUtils]: Spent 543.00 ms on a formula simplification that was a NOOP. DAG size: 1037 [2019-10-07 14:44:34,645 WARN L191 SmtUtils]: Spent 544.00 ms on a formula simplification that was a NOOP. DAG size: 1037 [2019-10-07 14:44:34,838 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2019-10-07 14:44:35,628 WARN L191 SmtUtils]: Spent 788.00 ms on a formula simplification that was a NOOP. DAG size: 1167 [2019-10-07 14:44:36,175 WARN L191 SmtUtils]: Spent 544.00 ms on a formula simplification that was a NOOP. DAG size: 1037 [2019-10-07 14:44:36,728 WARN L191 SmtUtils]: Spent 550.00 ms on a formula simplification that was a NOOP. DAG size: 1037 [2019-10-07 14:44:36,923 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2019-10-07 14:44:37,710 WARN L191 SmtUtils]: Spent 785.00 ms on a formula simplification that was a NOOP. DAG size: 1167 [2019-10-07 14:44:38,548 WARN L191 SmtUtils]: Spent 792.00 ms on a formula simplification that was a NOOP. DAG size: 1167 [2019-10-07 14:44:39,347 WARN L191 SmtUtils]: Spent 795.00 ms on a formula simplification that was a NOOP. DAG size: 1167 [2019-10-07 14:44:39,569 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2019-10-07 14:44:40,355 WARN L191 SmtUtils]: Spent 784.00 ms on a formula simplification that was a NOOP. DAG size: 1167 [2019-10-07 14:44:41,845 WARN L191 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 1169 DAG size of output: 1167 [2019-10-07 14:44:42,632 WARN L191 SmtUtils]: Spent 784.00 ms on a formula simplification that was a NOOP. DAG size: 1167 [2019-10-07 14:44:42,858 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2019-10-07 14:44:43,639 WARN L191 SmtUtils]: Spent 779.00 ms on a formula simplification that was a NOOP. DAG size: 1167 [2019-10-07 14:44:44,425 WARN L191 SmtUtils]: Spent 783.00 ms on a formula simplification that was a NOOP. DAG size: 1167 [2019-10-07 14:44:45,226 WARN L191 SmtUtils]: Spent 798.00 ms on a formula simplification that was a NOOP. DAG size: 1167 [2019-10-07 14:44:45,427 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2019-10-07 14:44:46,229 WARN L191 SmtUtils]: Spent 800.00 ms on a formula simplification that was a NOOP. DAG size: 1167 [2019-10-07 14:44:47,075 WARN L191 SmtUtils]: Spent 813.00 ms on a formula simplification that was a NOOP. DAG size: 1169 [2019-10-07 14:44:47,871 WARN L191 SmtUtils]: Spent 792.00 ms on a formula simplification that was a NOOP. DAG size: 1169 [2019-10-07 14:44:48,068 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 579 [2019-10-07 14:44:48,866 WARN L191 SmtUtils]: Spent 796.00 ms on a formula simplification that was a NOOP. DAG size: 1171 [2019-10-07 14:44:49,708 WARN L191 SmtUtils]: Spent 822.00 ms on a formula simplification that was a NOOP. DAG size: 1171 [2019-10-07 14:44:50,523 WARN L191 SmtUtils]: Spent 811.00 ms on a formula simplification that was a NOOP. DAG size: 1171 [2019-10-07 14:44:50,731 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 579 [2019-10-07 14:44:51,539 WARN L191 SmtUtils]: Spent 806.00 ms on a formula simplification that was a NOOP. DAG size: 1171 [2019-10-07 14:44:52,895 WARN L191 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 1173 DAG size of output: 1169 [2019-10-07 14:44:53,706 WARN L191 SmtUtils]: Spent 808.00 ms on a formula simplification that was a NOOP. DAG size: 1169 [2019-10-07 14:44:53,943 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 579 [2019-10-07 14:44:54,749 WARN L191 SmtUtils]: Spent 804.00 ms on a formula simplification that was a NOOP. DAG size: 1171 [2019-10-07 14:44:55,567 WARN L191 SmtUtils]: Spent 809.00 ms on a formula simplification that was a NOOP. DAG size: 1169 [2019-10-07 14:44:56,364 WARN L191 SmtUtils]: Spent 793.00 ms on a formula simplification that was a NOOP. DAG size: 1169 [2019-10-07 14:44:56,562 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 579 [2019-10-07 14:44:57,379 WARN L191 SmtUtils]: Spent 816.00 ms on a formula simplification that was a NOOP. DAG size: 1171 [2019-10-07 14:44:58,190 WARN L191 SmtUtils]: Spent 807.00 ms on a formula simplification that was a NOOP. DAG size: 1171 [2019-10-07 14:44:58,993 WARN L191 SmtUtils]: Spent 799.00 ms on a formula simplification that was a NOOP. DAG size: 1171 [2019-10-07 14:44:59,197 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 579 [2019-10-07 14:45:00,011 WARN L191 SmtUtils]: Spent 812.00 ms on a formula simplification that was a NOOP. DAG size: 1173 [2019-10-07 14:45:01,545 WARN L191 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 1169 DAG size of output: 1167 [2019-10-07 14:45:02,344 WARN L191 SmtUtils]: Spent 795.00 ms on a formula simplification that was a NOOP. DAG size: 1167 [2019-10-07 14:45:02,554 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2019-10-07 14:45:03,352 WARN L191 SmtUtils]: Spent 796.00 ms on a formula simplification that was a NOOP. DAG size: 1167 [2019-10-07 14:45:05,588 WARN L191 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 1169 DAG size of output: 1167 [2019-10-07 14:45:06,390 WARN L191 SmtUtils]: Spent 798.00 ms on a formula simplification that was a NOOP. DAG size: 1167 [2019-10-07 14:45:06,598 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2019-10-07 14:45:07,399 WARN L191 SmtUtils]: Spent 798.00 ms on a formula simplification that was a NOOP. DAG size: 1167 [2019-10-07 14:45:08,214 WARN L191 SmtUtils]: Spent 812.00 ms on a formula simplification that was a NOOP. DAG size: 1167 [2019-10-07 14:45:09,009 WARN L191 SmtUtils]: Spent 792.00 ms on a formula simplification that was a NOOP. DAG size: 1167 [2019-10-07 14:45:09,207 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2019-10-07 14:45:10,013 WARN L191 SmtUtils]: Spent 803.00 ms on a formula simplification that was a NOOP. DAG size: 1167 [2019-10-07 14:45:11,518 WARN L191 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 1169 DAG size of output: 1167 [2019-10-07 14:45:12,314 WARN L191 SmtUtils]: Spent 793.00 ms on a formula simplification that was a NOOP. DAG size: 1167 [2019-10-07 14:45:12,523 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2019-10-07 14:45:13,322 WARN L191 SmtUtils]: Spent 796.00 ms on a formula simplification that was a NOOP. DAG size: 1167 [2019-10-07 14:45:14,767 WARN L191 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 1169 DAG size of output: 1167 [2019-10-07 14:45:15,566 WARN L191 SmtUtils]: Spent 795.00 ms on a formula simplification that was a NOOP. DAG size: 1167 [2019-10-07 14:45:15,773 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2019-10-07 14:45:16,586 WARN L191 SmtUtils]: Spent 812.00 ms on a formula simplification that was a NOOP. DAG size: 1167 [2019-10-07 14:45:17,389 WARN L191 SmtUtils]: Spent 799.00 ms on a formula simplification that was a NOOP. DAG size: 1167 [2019-10-07 14:45:18,188 WARN L191 SmtUtils]: Spent 796.00 ms on a formula simplification that was a NOOP. DAG size: 1167 [2019-10-07 14:45:18,382 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2019-10-07 14:45:19,177 WARN L191 SmtUtils]: Spent 793.00 ms on a formula simplification that was a NOOP. DAG size: 1167 [2019-10-07 14:45:20,008 WARN L191 SmtUtils]: Spent 804.00 ms on a formula simplification that was a NOOP. DAG size: 1171 [2019-10-07 14:45:20,816 WARN L191 SmtUtils]: Spent 804.00 ms on a formula simplification that was a NOOP. DAG size: 1171 [2019-10-07 14:45:21,019 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 579 [2019-10-07 14:45:21,828 WARN L191 SmtUtils]: Spent 807.00 ms on a formula simplification that was a NOOP. DAG size: 1171 [2019-10-07 14:45:23,213 WARN L191 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 1173 DAG size of output: 1169 [2019-10-07 14:45:24,016 WARN L191 SmtUtils]: Spent 799.00 ms on a formula simplification that was a NOOP. DAG size: 1169 [2019-10-07 14:45:24,222 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 579 [2019-10-07 14:45:25,033 WARN L191 SmtUtils]: Spent 808.00 ms on a formula simplification that was a NOOP. DAG size: 1171 [2019-10-07 14:45:26,394 WARN L191 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 1173 DAG size of output: 1169 [2019-10-07 14:45:27,202 WARN L191 SmtUtils]: Spent 803.00 ms on a formula simplification that was a NOOP. DAG size: 1169 [2019-10-07 14:45:27,400 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 579 [2019-10-07 14:45:28,207 WARN L191 SmtUtils]: Spent 805.00 ms on a formula simplification that was a NOOP. DAG size: 1171 [2019-10-07 14:45:29,592 WARN L191 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 1173 DAG size of output: 1169 [2019-10-07 14:45:30,406 WARN L191 SmtUtils]: Spent 810.00 ms on a formula simplification that was a NOOP. DAG size: 1169 [2019-10-07 14:45:30,608 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 579 [2019-10-07 14:45:31,420 WARN L191 SmtUtils]: Spent 809.00 ms on a formula simplification that was a NOOP. DAG size: 1171 [2019-10-07 14:45:32,779 WARN L191 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 1175 DAG size of output: 1171 [2019-10-07 14:45:33,585 WARN L191 SmtUtils]: Spent 802.00 ms on a formula simplification that was a NOOP. DAG size: 1171 [2019-10-07 14:45:33,788 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 579 [2019-10-07 14:45:34,594 WARN L191 SmtUtils]: Spent 805.00 ms on a formula simplification that was a NOOP. DAG size: 1173 [2019-10-07 14:45:34,859 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 14:45:34,864 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 14:45:34,870 INFO L168 Benchmark]: Toolchain (without parser) took 149896.53 ms. Allocated memory was 143.7 MB in the beginning and 902.8 MB in the end (delta: 759.2 MB). Free memory was 98.8 MB in the beginning and 536.2 MB in the end (delta: -437.4 MB). Peak memory consumption was 321.7 MB. Max. memory is 7.1 GB. [2019-10-07 14:45:34,870 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 143.7 MB. Free memory was 120.1 MB in the beginning and 119.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-07 14:45:34,871 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1030.86 ms. Allocated memory was 143.7 MB in the beginning and 203.9 MB in the end (delta: 60.3 MB). Free memory was 98.6 MB in the beginning and 141.8 MB in the end (delta: -43.2 MB). Peak memory consumption was 31.9 MB. Max. memory is 7.1 GB. [2019-10-07 14:45:34,872 INFO L168 Benchmark]: Boogie Preprocessor took 204.00 ms. Allocated memory is still 203.9 MB. Free memory was 141.8 MB in the beginning and 132.1 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2019-10-07 14:45:34,872 INFO L168 Benchmark]: RCFGBuilder took 4464.77 ms. Allocated memory was 203.9 MB in the beginning and 297.8 MB in the end (delta: 93.8 MB). Free memory was 131.4 MB in the beginning and 110.5 MB in the end (delta: 20.9 MB). Peak memory consumption was 114.8 MB. Max. memory is 7.1 GB. [2019-10-07 14:45:34,873 INFO L168 Benchmark]: TraceAbstraction took 144192.33 ms. Allocated memory was 297.8 MB in the beginning and 902.8 MB in the end (delta: 605.0 MB). Free memory was 110.5 MB in the beginning and 536.2 MB in the end (delta: -425.7 MB). Peak memory consumption was 179.3 MB. Max. memory is 7.1 GB. [2019-10-07 14:45:34,876 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 143.7 MB. Free memory was 120.1 MB in the beginning and 119.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1030.86 ms. Allocated memory was 143.7 MB in the beginning and 203.9 MB in the end (delta: 60.3 MB). Free memory was 98.6 MB in the beginning and 141.8 MB in the end (delta: -43.2 MB). Peak memory consumption was 31.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 204.00 ms. Allocated memory is still 203.9 MB. Free memory was 141.8 MB in the beginning and 132.1 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4464.77 ms. Allocated memory was 203.9 MB in the beginning and 297.8 MB in the end (delta: 93.8 MB). Free memory was 131.4 MB in the beginning and 110.5 MB in the end (delta: 20.9 MB). Peak memory consumption was 114.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 144192.33 ms. Allocated memory was 297.8 MB in the beginning and 902.8 MB in the end (delta: 605.0 MB). Free memory was 110.5 MB in the beginning and 536.2 MB in the end (delta: -425.7 MB). Peak memory consumption was 179.3 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...