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_spec6_product14.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 14:59:53,724 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 14:59:53,727 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 14:59:53,739 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 14:59:53,739 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 14:59:53,740 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 14:59:53,742 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 14:59:53,743 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 14:59:53,745 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 14:59:53,746 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 14:59:53,747 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 14:59:53,748 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 14:59:53,749 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 14:59:53,750 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 14:59:53,750 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 14:59:53,752 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 14:59:53,752 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 14:59:53,753 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 14:59:53,755 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 14:59:53,757 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 14:59:53,759 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 14:59:53,760 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 14:59:53,761 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 14:59:53,762 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 14:59:53,764 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 14:59:53,765 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 14:59:53,765 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 14:59:53,766 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 14:59:53,766 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 14:59:53,767 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 14:59:53,768 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 14:59:53,769 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 14:59:53,769 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 14:59:53,770 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 14:59:53,771 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 14:59:53,772 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 14:59:53,772 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 14:59:53,773 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 14:59:53,773 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 14:59:53,774 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 14:59:53,774 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 14:59:53,775 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 14:59:53,791 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 14:59:53,791 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 14:59:53,792 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 14:59:53,792 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 14:59:53,792 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 14:59:53,793 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 14:59:53,793 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 14:59:53,793 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 14:59:53,793 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 14:59:53,793 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 14:59:53,794 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 14:59:53,794 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 14:59:53,794 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 14:59:53,794 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 14:59:53,794 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 14:59:53,795 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 14:59:53,795 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 14:59:53,795 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 14:59:53,795 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 14:59:53,795 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 14:59:53,796 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 14:59:53,796 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 14:59:53,796 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 14:59:53,796 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 14:59:53,797 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 14:59:53,797 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 14:59:53,797 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 14:59:53,797 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 14:59:53,797 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 14:59:54,079 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 14:59:54,091 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 14:59:54,095 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 14:59:54,096 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 14:59:54,097 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 14:59:54,097 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec6_product14.cil.c [2019-10-07 14:59:54,160 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22044c351/55a86f181c064626954d6bc9f623a963/FLAG766cfc413 [2019-10-07 14:59:54,812 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 14:59:54,813 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec6_product14.cil.c [2019-10-07 14:59:54,843 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22044c351/55a86f181c064626954d6bc9f623a963/FLAG766cfc413 [2019-10-07 14:59:54,989 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22044c351/55a86f181c064626954d6bc9f623a963 [2019-10-07 14:59:55,004 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 14:59:55,008 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 14:59:55,009 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 14:59:55,010 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 14:59:55,013 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 14:59:55,014 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:59:54" (1/1) ... [2019-10-07 14:59:55,018 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40063e04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:59:55, skipping insertion in model container [2019-10-07 14:59:55,019 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:59:54" (1/1) ... [2019-10-07 14:59:55,028 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 14:59:55,143 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 14:59:55,944 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:59:55,972 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 14:59:56,144 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:59:56,240 INFO L192 MainTranslator]: Completed translation [2019-10-07 14:59:56,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:59:56 WrapperNode [2019-10-07 14:59:56,241 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 14:59:56,242 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 14:59:56,242 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 14:59:56,242 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 14:59:56,258 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:59:56" (1/1) ... [2019-10-07 14:59:56,258 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:59:56" (1/1) ... [2019-10-07 14:59:56,322 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:59:56" (1/1) ... [2019-10-07 14:59:56,323 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:59:56" (1/1) ... [2019-10-07 14:59:56,406 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:59:56" (1/1) ... [2019-10-07 14:59:56,443 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:59:56" (1/1) ... [2019-10-07 14:59:56,456 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:59:56" (1/1) ... [2019-10-07 14:59:56,474 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 14:59:56,475 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 14:59:56,475 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 14:59:56,476 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 14:59:56,477 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:59:56" (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 14:59:56,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 14:59:56,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 14:59:56,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 14:59:56,555 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-07 14:59:56,555 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-07 14:59:56,555 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-07 14:59:56,556 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-07 14:59:56,556 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-07 14:59:56,556 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-07 14:59:56,556 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-07 14:59:56,557 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-07 14:59:56,557 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 14:59:56,557 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 14:59:56,557 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-07 14:59:56,558 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-07 14:59:56,558 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-07 14:59:56,558 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-07 14:59:56,558 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-07 14:59:56,559 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-07 14:59:56,559 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-07 14:59:56,559 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-07 14:59:56,560 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-07 14:59:56,561 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-07 14:59:56,561 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptDecrypt_spec__1 [2019-10-07 14:59:56,561 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptDecrypt_spec__2 [2019-10-07 14:59:56,561 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-07 14:59:56,562 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-07 14:59:56,562 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-07 14:59:56,562 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-07 14:59:56,562 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-07 14:59:56,562 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-07 14:59:56,562 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-07 14:59:56,563 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-07 14:59:56,563 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-07 14:59:56,563 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-07 14:59:56,564 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-07 14:59:56,564 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-07 14:59:56,564 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-07 14:59:56,564 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-07 14:59:56,564 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-07 14:59:56,564 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-07 14:59:56,565 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-07 14:59:56,565 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-07 14:59:56,565 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-07 14:59:56,565 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-07 14:59:56,565 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-07 14:59:56,565 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-07 14:59:56,566 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-07 14:59:56,566 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-07 14:59:56,566 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-07 14:59:56,566 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-07 14:59:56,566 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-07 14:59:56,567 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-07 14:59:56,567 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-07 14:59:56,567 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 14:59:56,567 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 14:59:56,567 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 14:59:56,568 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 14:59:56,568 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-07 14:59:56,568 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-07 14:59:56,569 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2019-10-07 14:59:56,569 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-07 14:59:56,569 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-07 14:59:56,569 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AddressBook [2019-10-07 14:59:56,569 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-07 14:59:56,570 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-07 14:59:56,570 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-07 14:59:56,570 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-07 14:59:56,570 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-07 14:59:56,571 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-07 14:59:56,571 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-07 14:59:56,571 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-07 14:59:56,571 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-07 14:59:56,572 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-07 14:59:56,572 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 14:59:56,573 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-07 14:59:56,573 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 14:59:56,574 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-07 14:59:56,574 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-07 14:59:56,574 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-07 14:59:56,575 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-07 14:59:56,575 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-07 14:59:56,576 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-07 14:59:56,576 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 14:59:56,576 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 14:59:56,576 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 14:59:56,576 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 14:59:56,577 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 14:59:56,577 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 14:59:56,578 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-07 14:59:56,578 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-07 14:59:56,578 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-07 14:59:56,578 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-07 14:59:56,578 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-07 14:59:56,579 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-07 14:59:56,579 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-07 14:59:56,579 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-07 14:59:56,579 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-07 14:59:56,579 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-07 14:59:56,580 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-07 14:59:56,580 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-07 14:59:56,580 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-07 14:59:56,580 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-07 14:59:56,580 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-07 14:59:56,580 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-07 14:59:56,581 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-07 14:59:56,581 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-07 14:59:56,581 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-07 14:59:56,581 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-07 14:59:56,582 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-07 14:59:56,582 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 14:59:56,582 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 14:59:56,582 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 14:59:56,582 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-07 14:59:56,583 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-07 14:59:56,583 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-07 14:59:56,583 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-07 14:59:56,584 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-07 14:59:56,584 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-07 14:59:56,584 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-07 14:59:56,584 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-07 14:59:56,585 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-07 14:59:56,585 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-07 14:59:56,585 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-07 14:59:56,586 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 14:59:56,587 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 14:59:56,587 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 14:59:56,587 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-07 14:59:56,587 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-07 14:59:56,587 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-07 14:59:56,587 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-07 14:59:56,588 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-07 14:59:56,588 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-07 14:59:56,589 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-07 14:59:56,592 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-07 14:59:56,592 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-07 14:59:56,592 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-07 14:59:56,592 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-07 14:59:56,593 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 14:59:56,593 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 14:59:56,594 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 14:59:56,594 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-07 14:59:56,594 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-07 14:59:56,594 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-07 14:59:56,602 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-07 14:59:56,602 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-07 14:59:56,602 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-07 14:59:56,602 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-07 14:59:56,603 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-07 14:59:56,603 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-07 14:59:56,603 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-07 14:59:56,603 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-07 14:59:56,604 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-07 14:59:56,604 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-07 14:59:56,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 14:59:56,604 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 14:59:56,604 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-07 14:59:56,604 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-07 14:59:56,604 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-07 14:59:56,605 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-07 14:59:56,605 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptDecrypt_spec__1 [2019-10-07 14:59:56,605 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptDecrypt_spec__2 [2019-10-07 14:59:56,605 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-07 14:59:56,605 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-07 14:59:56,605 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-07 14:59:56,606 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-07 14:59:56,606 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-07 14:59:56,606 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-07 14:59:56,606 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-07 14:59:56,606 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-07 14:59:56,606 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-07 14:59:56,606 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-07 14:59:56,606 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-07 14:59:56,607 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-07 14:59:56,607 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-07 14:59:56,607 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-07 14:59:56,607 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-07 14:59:56,607 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-07 14:59:56,607 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-07 14:59:56,607 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-07 14:59:56,607 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 14:59:56,608 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-07 14:59:56,608 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-07 14:59:56,608 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-07 14:59:56,608 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-07 14:59:56,608 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-07 14:59:56,608 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-07 14:59:56,609 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-07 14:59:56,609 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-07 14:59:56,609 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-07 14:59:56,609 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-07 14:59:56,609 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-07 14:59:56,610 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-07 14:59:56,610 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-07 14:59:56,610 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2019-10-07 14:59:56,610 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AddressBook [2019-10-07 14:59:56,610 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-07 14:59:56,610 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-07 14:59:56,610 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-07 14:59:56,610 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-07 14:59:56,611 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-07 14:59:56,611 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-07 14:59:56,611 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-07 14:59:56,611 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-07 14:59:56,611 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 14:59:56,611 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 14:59:56,612 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 14:59:56,612 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 14:59:56,613 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 14:59:56,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 14:59:56,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 14:59:56,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 14:59:56,614 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 14:59:56,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 14:59:56,614 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 14:59:56,614 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 14:59:56,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 14:59:56,615 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 14:59:56,615 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 14:59:56,615 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 14:59:56,615 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-07 14:59:56,615 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-07 14:59:56,615 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-07 14:59:56,615 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-07 14:59:56,616 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-07 14:59:56,616 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-07 14:59:56,616 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-07 14:59:56,616 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-07 14:59:56,616 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-07 14:59:56,616 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-07 14:59:56,616 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-07 14:59:56,616 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-07 14:59:56,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 14:59:56,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 14:59:56,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 15:00:01,443 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 15:00:01,443 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-07 15:00:01,447 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:00:01 BoogieIcfgContainer [2019-10-07 15:00:01,447 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 15:00:01,448 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 15:00:01,449 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 15:00:01,453 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 15:00:01,453 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 02:59:54" (1/3) ... [2019-10-07 15:00:01,454 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35cfc1d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:00:01, skipping insertion in model container [2019-10-07 15:00:01,454 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:59:56" (2/3) ... [2019-10-07 15:00:01,455 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35cfc1d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:00:01, skipping insertion in model container [2019-10-07 15:00:01,455 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:00:01" (3/3) ... [2019-10-07 15:00:01,457 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec6_product14.cil.c [2019-10-07 15:00:01,468 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 15:00:01,480 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 15:00:01,493 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 15:00:01,534 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 15:00:01,535 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 15:00:01,535 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 15:00:01,535 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 15:00:01,535 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 15:00:01,535 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 15:00:01,535 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 15:00:01,536 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 15:00:01,569 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states. [2019-10-07 15:00:01,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2019-10-07 15:00:01,600 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:00:01,601 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] [2019-10-07 15:00:01,604 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:00:01,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:00:01,610 INFO L82 PathProgramCache]: Analyzing trace with hash 1078286448, now seen corresponding path program 1 times [2019-10-07 15:00:01,620 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:00:01,620 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:00:01,620 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:00:01,621 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:00:01,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:00:02,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:00:02,382 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-07 15:00:02,382 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:00:02,383 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:00:02,383 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 15:00:02,388 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 15:00:02,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 15:00:02,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:00:02,406 INFO L87 Difference]: Start difference. First operand 363 states. Second operand 2 states. [2019-10-07 15:00:02,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:00:02,484 INFO L93 Difference]: Finished difference Result 477 states and 577 transitions. [2019-10-07 15:00:02,484 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 15:00:02,486 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 143 [2019-10-07 15:00:02,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:00:02,504 INFO L225 Difference]: With dead ends: 477 [2019-10-07 15:00:02,505 INFO L226 Difference]: Without dead ends: 317 [2019-10-07 15:00:02,511 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:00:02,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2019-10-07 15:00:02,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 317. [2019-10-07 15:00:02,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 317 states. [2019-10-07 15:00:02,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 379 transitions. [2019-10-07 15:00:02,598 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 379 transitions. Word has length 143 [2019-10-07 15:00:02,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:00:02,601 INFO L462 AbstractCegarLoop]: Abstraction has 317 states and 379 transitions. [2019-10-07 15:00:02,601 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 15:00:02,601 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 379 transitions. [2019-10-07 15:00:02,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2019-10-07 15:00:02,606 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:00:02,606 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] [2019-10-07 15:00:02,607 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:00:02,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:00:02,607 INFO L82 PathProgramCache]: Analyzing trace with hash 528201718, now seen corresponding path program 1 times [2019-10-07 15:00:02,608 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:00:02,608 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:00:02,608 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:00:02,608 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:00:02,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:00:02,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:00:02,851 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-07 15:00:02,851 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:00:02,851 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:00:02,851 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:00:02,859 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:00:02,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:00:02,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:00:02,860 INFO L87 Difference]: Start difference. First operand 317 states and 379 transitions. Second operand 3 states. [2019-10-07 15:00:02,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:00:02,936 INFO L93 Difference]: Finished difference Result 462 states and 545 transitions. [2019-10-07 15:00:02,937 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:00:02,937 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 144 [2019-10-07 15:00:02,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:00:02,947 INFO L225 Difference]: With dead ends: 462 [2019-10-07 15:00:02,948 INFO L226 Difference]: Without dead ends: 319 [2019-10-07 15:00:02,952 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:00:02,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2019-10-07 15:00:02,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 319. [2019-10-07 15:00:02,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2019-10-07 15:00:02,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 381 transitions. [2019-10-07 15:00:02,998 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 381 transitions. Word has length 144 [2019-10-07 15:00:02,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:00:02,999 INFO L462 AbstractCegarLoop]: Abstraction has 319 states and 381 transitions. [2019-10-07 15:00:02,999 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:00:02,999 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 381 transitions. [2019-10-07 15:00:03,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2019-10-07 15:00:03,005 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:00:03,006 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] [2019-10-07 15:00:03,006 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:00:03,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:00:03,006 INFO L82 PathProgramCache]: Analyzing trace with hash -1406856567, now seen corresponding path program 1 times [2019-10-07 15:00:03,006 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:00:03,007 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:00:03,007 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:00:03,007 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:00:03,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:00:03,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:00:03,169 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 15:00:03,170 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:00:03,170 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:00:03,170 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:00:03,171 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:00:03,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:00:03,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:00:03,172 INFO L87 Difference]: Start difference. First operand 319 states and 381 transitions. Second operand 3 states. [2019-10-07 15:00:03,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:00:03,204 INFO L93 Difference]: Finished difference Result 620 states and 769 transitions. [2019-10-07 15:00:03,204 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:00:03,204 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 149 [2019-10-07 15:00:03,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:00:03,208 INFO L225 Difference]: With dead ends: 620 [2019-10-07 15:00:03,208 INFO L226 Difference]: Without dead ends: 359 [2019-10-07 15:00:03,210 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:00:03,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2019-10-07 15:00:03,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 358. [2019-10-07 15:00:03,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 358 states. [2019-10-07 15:00:03,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 449 transitions. [2019-10-07 15:00:03,239 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 449 transitions. Word has length 149 [2019-10-07 15:00:03,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:00:03,240 INFO L462 AbstractCegarLoop]: Abstraction has 358 states and 449 transitions. [2019-10-07 15:00:03,240 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:00:03,240 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 449 transitions. [2019-10-07 15:00:03,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2019-10-07 15:00:03,249 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:00:03,250 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] [2019-10-07 15:00:03,250 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:00:03,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:00:03,251 INFO L82 PathProgramCache]: Analyzing trace with hash -623699734, now seen corresponding path program 1 times [2019-10-07 15:00:03,251 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:00:03,251 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:00:03,252 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:00:03,252 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:00:03,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:00:03,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:00:04,252 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-07 15:00:04,252 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:00:04,253 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:00:04,253 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2019-10-07 15:00:04,253 INFO L442 AbstractCegarLoop]: Interpolant automaton has 24 states [2019-10-07 15:00:04,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2019-10-07 15:00:04,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=492, Unknown=0, NotChecked=0, Total=552 [2019-10-07 15:00:04,254 INFO L87 Difference]: Start difference. First operand 358 states and 449 transitions. Second operand 24 states. [2019-10-07 15:00:11,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:00:11,499 INFO L93 Difference]: Finished difference Result 856 states and 1077 transitions. [2019-10-07 15:00:11,500 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2019-10-07 15:00:11,500 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 150 [2019-10-07 15:00:11,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:00:11,508 INFO L225 Difference]: With dead ends: 856 [2019-10-07 15:00:11,508 INFO L226 Difference]: Without dead ends: 721 [2019-10-07 15:00:11,510 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 538 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=272, Invalid=2484, Unknown=0, NotChecked=0, Total=2756 [2019-10-07 15:00:11,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 721 states. [2019-10-07 15:00:11,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 721 to 708. [2019-10-07 15:00:11,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 708 states. [2019-10-07 15:00:11,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 708 states to 708 states and 876 transitions. [2019-10-07 15:00:11,567 INFO L78 Accepts]: Start accepts. Automaton has 708 states and 876 transitions. Word has length 150 [2019-10-07 15:00:11,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:00:11,568 INFO L462 AbstractCegarLoop]: Abstraction has 708 states and 876 transitions. [2019-10-07 15:00:11,568 INFO L463 AbstractCegarLoop]: Interpolant automaton has 24 states. [2019-10-07 15:00:11,568 INFO L276 IsEmpty]: Start isEmpty. Operand 708 states and 876 transitions. [2019-10-07 15:00:11,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2019-10-07 15:00:11,572 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:00:11,572 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] [2019-10-07 15:00:11,572 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:00:11,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:00:11,573 INFO L82 PathProgramCache]: Analyzing trace with hash -1533557838, now seen corresponding path program 1 times [2019-10-07 15:00:11,573 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:00:11,573 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:00:11,573 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:00:11,573 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:00:11,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:00:11,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:00:12,285 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 15:00:12,285 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:00:12,285 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 15:00:12,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:00:12,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:00:12,813 INFO L256 TraceCheckSpWp]: Trace formula consists of 2594 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-07 15:00:12,835 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 15:00:12,956 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 15:00:12,956 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 15:00:13,258 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 15:00:13,259 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 15:00:13,290 INFO L162 IcfgInterpreter]: Started Sifa with 143 locations of interest [2019-10-07 15:00:13,291 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 15:00:13,298 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 15:00:13,306 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 15:00:13,307 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 15:01:11,496 WARN L191 SmtUtils]: Spent 405.00 ms on a formula simplification that was a NOOP. DAG size: 689 [2019-10-07 15:01:15,771 WARN L191 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 321 DAG size of output: 261 [2019-10-07 15:01:16,152 WARN L191 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 732 [2019-10-07 15:01:16,614 WARN L191 SmtUtils]: Spent 456.00 ms on a formula simplification that was a NOOP. DAG size: 732 [2019-10-07 15:01:17,152 WARN L191 SmtUtils]: Spent 533.00 ms on a formula simplification that was a NOOP. DAG size: 732 [2019-10-07 15:01:17,463 WARN L191 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 451 [2019-10-07 15:01:18,404 WARN L191 SmtUtils]: Spent 938.00 ms on a formula simplification that was a NOOP. DAG size: 1031 [2019-10-07 15:01:19,132 WARN L191 SmtUtils]: Spent 707.00 ms on a formula simplification that was a NOOP. DAG size: 1031 [2019-10-07 15:01:19,801 WARN L191 SmtUtils]: Spent 665.00 ms on a formula simplification that was a NOOP. DAG size: 1031 [2019-10-07 15:01:19,994 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 451 [2019-10-07 15:01:20,609 WARN L191 SmtUtils]: Spent 613.00 ms on a formula simplification that was a NOOP. DAG size: 1031 [2019-10-07 15:01:21,961 WARN L191 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 1033 DAG size of output: 1031 [2019-10-07 15:01:22,573 WARN L191 SmtUtils]: Spent 607.00 ms on a formula simplification that was a NOOP. DAG size: 1031 [2019-10-07 15:01:22,714 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 451 [2019-10-07 15:01:23,364 WARN L191 SmtUtils]: Spent 648.00 ms on a formula simplification that was a NOOP. DAG size: 1031 [2019-10-07 15:01:23,971 WARN L191 SmtUtils]: Spent 603.00 ms on a formula simplification that was a NOOP. DAG size: 1031 [2019-10-07 15:01:24,631 WARN L191 SmtUtils]: Spent 656.00 ms on a formula simplification that was a NOOP. DAG size: 1031 [2019-10-07 15:01:24,801 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 451 [2019-10-07 15:01:25,453 WARN L191 SmtUtils]: Spent 650.00 ms on a formula simplification that was a NOOP. DAG size: 1031 [2019-10-07 15:01:25,480 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 562 for LOIs [2019-10-07 15:01:25,827 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 655 [2019-10-07 15:01:25,931 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 655 [2019-10-07 15:01:26,057 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 451 [2019-10-07 15:01:26,518 WARN L191 SmtUtils]: Spent 459.00 ms on a formula simplification that was a NOOP. DAG size: 954 [2019-10-07 15:01:26,520 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1074 for LOIs [2019-10-07 15:01:27,123 WARN L191 SmtUtils]: Spent 601.00 ms on a formula simplification that was a NOOP. DAG size: 1074 [2019-10-07 15:01:27,705 WARN L191 SmtUtils]: Spent 579.00 ms on a formula simplification that was a NOOP. DAG size: 1074 [2019-10-07 15:01:27,932 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 614 [2019-10-07 15:01:28,892 WARN L191 SmtUtils]: Spent 958.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 15:01:29,564 WARN L191 SmtUtils]: Spent 657.00 ms on a formula simplification that was a NOOP. DAG size: 1074 [2019-10-07 15:01:30,175 WARN L191 SmtUtils]: Spent 607.00 ms on a formula simplification that was a NOOP. DAG size: 1074 [2019-10-07 15:01:30,407 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 614 [2019-10-07 15:01:31,363 WARN L191 SmtUtils]: Spent 953.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 15:01:32,016 WARN L191 SmtUtils]: Spent 621.00 ms on a formula simplification that was a NOOP. DAG size: 1074 [2019-10-07 15:01:32,613 WARN L191 SmtUtils]: Spent 593.00 ms on a formula simplification that was a NOOP. DAG size: 1074 [2019-10-07 15:01:32,853 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 614 [2019-10-07 15:01:33,789 WARN L191 SmtUtils]: Spent 934.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 15:01:34,825 WARN L191 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 1249 DAG size of output: 1074 [2019-10-07 15:01:35,429 WARN L191 SmtUtils]: Spent 600.00 ms on a formula simplification that was a NOOP. DAG size: 1074 [2019-10-07 15:01:36,129 WARN L191 SmtUtils]: Spent 681.00 ms on a formula simplification. DAG size of input: 616 DAG size of output: 614 [2019-10-07 15:01:37,057 WARN L191 SmtUtils]: Spent 925.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 15:01:37,666 WARN L191 SmtUtils]: Spent 592.00 ms on a formula simplification that was a NOOP. DAG size: 1074 [2019-10-07 15:01:38,279 WARN L191 SmtUtils]: Spent 608.00 ms on a formula simplification that was a NOOP. DAG size: 1074 [2019-10-07 15:01:38,509 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 614 [2019-10-07 15:01:39,430 WARN L191 SmtUtils]: Spent 919.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 15:01:40,032 WARN L191 SmtUtils]: Spent 598.00 ms on a formula simplification that was a NOOP. DAG size: 1074 [2019-10-07 15:01:40,620 WARN L191 SmtUtils]: Spent 585.00 ms on a formula simplification that was a NOOP. DAG size: 1074 [2019-10-07 15:01:40,847 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 614 [2019-10-07 15:01:41,800 WARN L191 SmtUtils]: Spent 951.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 15:01:42,390 WARN L191 SmtUtils]: Spent 588.00 ms on a formula simplification that was a NOOP. DAG size: 1074 [2019-10-07 15:01:42,979 WARN L191 SmtUtils]: Spent 585.00 ms on a formula simplification that was a NOOP. DAG size: 1074 [2019-10-07 15:01:43,203 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 614 [2019-10-07 15:01:44,136 WARN L191 SmtUtils]: Spent 931.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 15:01:44,733 WARN L191 SmtUtils]: Spent 594.00 ms on a formula simplification that was a NOOP. DAG size: 1074 [2019-10-07 15:01:45,324 WARN L191 SmtUtils]: Spent 587.00 ms on a formula simplification that was a NOOP. DAG size: 1074 [2019-10-07 15:01:45,567 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 614 [2019-10-07 15:01:46,490 WARN L191 SmtUtils]: Spent 921.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 15:01:47,082 WARN L191 SmtUtils]: Spent 589.00 ms on a formula simplification that was a NOOP. DAG size: 1074 [2019-10-07 15:01:47,677 WARN L191 SmtUtils]: Spent 591.00 ms on a formula simplification that was a NOOP. DAG size: 1074 [2019-10-07 15:01:47,898 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 614 [2019-10-07 15:01:48,817 WARN L191 SmtUtils]: Spent 916.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 15:01:49,418 WARN L191 SmtUtils]: Spent 598.00 ms on a formula simplification that was a NOOP. DAG size: 1074 [2019-10-07 15:01:50,018 WARN L191 SmtUtils]: Spent 597.00 ms on a formula simplification that was a NOOP. DAG size: 1074 [2019-10-07 15:01:50,243 WARN L191 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 614 [2019-10-07 15:01:51,164 WARN L191 SmtUtils]: Spent 919.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 15:01:51,750 WARN L191 SmtUtils]: Spent 583.00 ms on a formula simplification that was a NOOP. DAG size: 1074 [2019-10-07 15:01:52,340 WARN L191 SmtUtils]: Spent 587.00 ms on a formula simplification that was a NOOP. DAG size: 1074 [2019-10-07 15:01:52,569 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 614 [2019-10-07 15:01:53,497 WARN L191 SmtUtils]: Spent 926.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 15:01:54,089 WARN L191 SmtUtils]: Spent 590.00 ms on a formula simplification that was a NOOP. DAG size: 1074 [2019-10-07 15:01:54,687 WARN L191 SmtUtils]: Spent 594.00 ms on a formula simplification that was a NOOP. DAG size: 1074 [2019-10-07 15:01:54,913 WARN L191 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 614 [2019-10-07 15:01:55,840 WARN L191 SmtUtils]: Spent 925.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 15:01:56,433 WARN L191 SmtUtils]: Spent 590.00 ms on a formula simplification that was a NOOP. DAG size: 1074 [2019-10-07 15:01:57,031 WARN L191 SmtUtils]: Spent 594.00 ms on a formula simplification that was a NOOP. DAG size: 1074 [2019-10-07 15:01:57,254 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 614 [2019-10-07 15:01:58,182 WARN L191 SmtUtils]: Spent 925.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 15:01:59,248 WARN L191 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 15:02:00,183 WARN L191 SmtUtils]: Spent 931.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 15:02:00,424 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 614 [2019-10-07 15:02:01,352 WARN L191 SmtUtils]: Spent 926.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 15:02:03,093 WARN L191 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 1249 DAG size of output: 1247 [2019-10-07 15:02:04,019 WARN L191 SmtUtils]: Spent 922.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 15:02:04,256 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 614 [2019-10-07 15:02:05,191 WARN L191 SmtUtils]: Spent 933.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 15:02:06,138 WARN L191 SmtUtils]: Spent 944.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 15:02:07,071 WARN L191 SmtUtils]: Spent 929.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 15:02:07,297 WARN L191 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 614 [2019-10-07 15:02:08,227 WARN L191 SmtUtils]: Spent 928.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 15:02:09,270 WARN L191 SmtUtils]: Spent 1.00 s on a formula simplification that was a NOOP. DAG size: 1249 [2019-10-07 15:02:10,206 WARN L191 SmtUtils]: Spent 932.00 ms on a formula simplification that was a NOOP. DAG size: 1249 [2019-10-07 15:02:10,487 WARN L191 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 617 [2019-10-07 15:02:11,425 WARN L191 SmtUtils]: Spent 936.00 ms on a formula simplification that was a NOOP. DAG size: 1251 [2019-10-07 15:02:13,147 WARN L191 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 1253 DAG size of output: 1249 [2019-10-07 15:02:14,091 WARN L191 SmtUtils]: Spent 940.00 ms on a formula simplification that was a NOOP. DAG size: 1249 [2019-10-07 15:02:14,330 WARN L191 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 617 [2019-10-07 15:02:15,276 WARN L191 SmtUtils]: Spent 943.00 ms on a formula simplification that was a NOOP. DAG size: 1251 [2019-10-07 15:02:16,213 WARN L191 SmtUtils]: Spent 933.00 ms on a formula simplification that was a NOOP. DAG size: 1249 [2019-10-07 15:02:17,156 WARN L191 SmtUtils]: Spent 940.00 ms on a formula simplification that was a NOOP. DAG size: 1249 [2019-10-07 15:02:17,385 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 617 [2019-10-07 15:02:18,342 WARN L191 SmtUtils]: Spent 955.00 ms on a formula simplification that was a NOOP. DAG size: 1251 [2019-10-07 15:02:19,307 WARN L191 SmtUtils]: Spent 956.00 ms on a formula simplification that was a NOOP. DAG size: 1249 [2019-10-07 15:02:20,267 WARN L191 SmtUtils]: Spent 956.00 ms on a formula simplification that was a NOOP. DAG size: 1249 [2019-10-07 15:02:20,502 WARN L191 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 617 [2019-10-07 15:02:21,465 WARN L191 SmtUtils]: Spent 961.00 ms on a formula simplification that was a NOOP. DAG size: 1251 [2019-10-07 15:02:22,446 WARN L191 SmtUtils]: Spent 976.00 ms on a formula simplification that was a NOOP. DAG size: 1251 [2019-10-07 15:02:23,404 WARN L191 SmtUtils]: Spent 954.00 ms on a formula simplification that was a NOOP. DAG size: 1251 [2019-10-07 15:02:23,652 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 617 [2019-10-07 15:02:24,620 WARN L191 SmtUtils]: Spent 965.00 ms on a formula simplification that was a NOOP. DAG size: 1253 [2019-10-07 15:02:27,210 WARN L191 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 1249 DAG size of output: 1247 [2019-10-07 15:02:28,164 WARN L191 SmtUtils]: Spent 949.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 15:02:28,408 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 614 [2019-10-07 15:02:29,353 WARN L191 SmtUtils]: Spent 943.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 15:02:31,088 WARN L191 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 1249 DAG size of output: 1247 [2019-10-07 15:02:32,035 WARN L191 SmtUtils]: Spent 942.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 15:02:32,298 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 614 [2019-10-07 15:02:33,242 WARN L191 SmtUtils]: Spent 941.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 15:02:34,218 WARN L191 SmtUtils]: Spent 972.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 15:02:35,169 WARN L191 SmtUtils]: Spent 947.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 15:02:35,395 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 614 [2019-10-07 15:02:36,345 WARN L191 SmtUtils]: Spent 947.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 15:02:38,481 WARN L191 SmtUtils]: Spent 2.09 s on a formula simplification. DAG size of input: 1249 DAG size of output: 1247 [2019-10-07 15:02:39,418 WARN L191 SmtUtils]: Spent 933.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 15:02:39,657 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 614 [2019-10-07 15:02:40,593 WARN L191 SmtUtils]: Spent 934.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 15:02:42,333 WARN L191 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 1249 DAG size of output: 1247 [2019-10-07 15:02:43,275 WARN L191 SmtUtils]: Spent 937.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 15:02:43,510 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 614 [2019-10-07 15:02:44,455 WARN L191 SmtUtils]: Spent 942.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 15:02:45,395 WARN L191 SmtUtils]: Spent 936.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 15:02:46,354 WARN L191 SmtUtils]: Spent 955.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 15:02:46,581 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 614 [2019-10-07 15:02:47,523 WARN L191 SmtUtils]: Spent 939.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 15:02:48,515 WARN L191 SmtUtils]: Spent 960.00 ms on a formula simplification that was a NOOP. DAG size: 1251 [2019-10-07 15:02:49,478 WARN L191 SmtUtils]: Spent 959.00 ms on a formula simplification that was a NOOP. DAG size: 1251 [2019-10-07 15:02:49,720 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 617 [2019-10-07 15:02:50,664 WARN L191 SmtUtils]: Spent 942.00 ms on a formula simplification that was a NOOP. DAG size: 1251 [2019-10-07 15:02:52,401 WARN L191 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 1253 DAG size of output: 1251 [2019-10-07 15:02:53,357 WARN L191 SmtUtils]: Spent 953.00 ms on a formula simplification that was a NOOP. DAG size: 1251 [2019-10-07 15:02:53,595 WARN L191 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 617 [2019-10-07 15:02:54,539 WARN L191 SmtUtils]: Spent 942.00 ms on a formula simplification that was a NOOP. DAG size: 1251 [2019-10-07 15:02:56,268 WARN L191 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 1253 DAG size of output: 1251 [2019-10-07 15:02:57,220 WARN L191 SmtUtils]: Spent 947.00 ms on a formula simplification that was a NOOP. DAG size: 1251 [2019-10-07 15:02:57,448 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 617 [2019-10-07 15:02:58,407 WARN L191 SmtUtils]: Spent 957.00 ms on a formula simplification that was a NOOP. DAG size: 1251 [2019-10-07 15:03:00,119 WARN L191 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 1258 DAG size of output: 1251 [2019-10-07 15:03:01,054 WARN L191 SmtUtils]: Spent 930.00 ms on a formula simplification that was a NOOP. DAG size: 1251 [2019-10-07 15:03:01,288 WARN L191 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 617 [2019-10-07 15:03:02,236 WARN L191 SmtUtils]: Spent 946.00 ms on a formula simplification that was a NOOP. DAG size: 1251 [2019-10-07 15:03:03,858 WARN L191 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 1260 DAG size of output: 1253 [2019-10-07 15:03:04,810 WARN L191 SmtUtils]: Spent 948.00 ms on a formula simplification that was a NOOP. DAG size: 1253 [2019-10-07 15:03:05,050 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 617 [2019-10-07 15:03:06,003 WARN L191 SmtUtils]: Spent 951.00 ms on a formula simplification that was a NOOP. DAG size: 1253 [2019-10-07 15:03:06,265 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:03:06,266 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.generateProof(TraceAbstractionRefinementEngine.java:177) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.executeStrategy(TraceAbstractionRefinementEngine.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.RefinementEngineFactory.runRefinementEngine(RefinementEngineFactory.java:133) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε at de.uni_freiburg.informatik.ultimate.lib.sifa.PriorityWorklist.add(PriorityWorklist.java:97) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.lambda$2(DagInterpreter.java:135) at java.lang.Iterable.forEach(Iterable.java:75) at java.util.Collections$UnmodifiableCollection.forEach(Collections.java:1080) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:135) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:139) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:287) ... 21 more [2019-10-07 15:03:06,273 INFO L168 Benchmark]: Toolchain (without parser) took 191267.07 ms. Allocated memory was 144.2 MB in the beginning and 957.3 MB in the end (delta: 813.2 MB). Free memory was 97.8 MB in the beginning and 555.9 MB in the end (delta: -458.2 MB). Peak memory consumption was 355.0 MB. Max. memory is 7.1 GB. [2019-10-07 15:03:06,274 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 144.2 MB. Free memory was 119.3 MB in the beginning and 119.1 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-10-07 15:03:06,274 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1231.93 ms. Allocated memory was 144.2 MB in the beginning and 201.3 MB in the end (delta: 57.1 MB). Free memory was 97.5 MB in the beginning and 139.6 MB in the end (delta: -42.0 MB). Peak memory consumption was 28.2 MB. Max. memory is 7.1 GB. [2019-10-07 15:03:06,275 INFO L168 Benchmark]: Boogie Preprocessor took 233.16 ms. Allocated memory is still 201.3 MB. Free memory was 139.6 MB in the beginning and 130.4 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-10-07 15:03:06,276 INFO L168 Benchmark]: RCFGBuilder took 4971.95 ms. Allocated memory was 201.3 MB in the beginning and 306.7 MB in the end (delta: 105.4 MB). Free memory was 130.4 MB in the beginning and 116.3 MB in the end (delta: 14.1 MB). Peak memory consumption was 119.5 MB. Max. memory is 7.1 GB. [2019-10-07 15:03:06,276 INFO L168 Benchmark]: TraceAbstraction took 184822.67 ms. Allocated memory was 306.7 MB in the beginning and 957.3 MB in the end (delta: 650.6 MB). Free memory was 116.3 MB in the beginning and 555.9 MB in the end (delta: -439.7 MB). Peak memory consumption was 211.0 MB. Max. memory is 7.1 GB. [2019-10-07 15:03:06,280 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 144.2 MB. Free memory was 119.3 MB in the beginning and 119.1 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1231.93 ms. Allocated memory was 144.2 MB in the beginning and 201.3 MB in the end (delta: 57.1 MB). Free memory was 97.5 MB in the beginning and 139.6 MB in the end (delta: -42.0 MB). Peak memory consumption was 28.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 233.16 ms. Allocated memory is still 201.3 MB. Free memory was 139.6 MB in the beginning and 130.4 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4971.95 ms. Allocated memory was 201.3 MB in the beginning and 306.7 MB in the end (delta: 105.4 MB). Free memory was 130.4 MB in the beginning and 116.3 MB in the end (delta: 14.1 MB). Peak memory consumption was 119.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 184822.67 ms. Allocated memory was 306.7 MB in the beginning and 957.3 MB in the end (delta: 650.6 MB). Free memory was 116.3 MB in the beginning and 555.9 MB in the end (delta: -439.7 MB). Peak memory consumption was 211.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:295) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...