java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/email_spec1_product12.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 14:44:09,928 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 14:44:09,931 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 14:44:09,950 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 14:44:09,951 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 14:44:09,952 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 14:44:09,954 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 14:44:09,964 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 14:44:09,965 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 14:44:09,967 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 14:44:09,969 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 14:44:09,970 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 14:44:09,970 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 14:44:09,973 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 14:44:09,976 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 14:44:09,978 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 14:44:09,980 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 14:44:09,982 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 14:44:09,984 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 14:44:09,989 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 14:44:09,994 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 14:44:09,995 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 14:44:09,996 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 14:44:09,997 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 14:44:09,999 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 14:44:09,999 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 14:44:09,999 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 14:44:10,000 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 14:44:10,001 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 14:44:10,001 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 14:44:10,002 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 14:44:10,003 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 14:44:10,003 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 14:44:10,004 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 14:44:10,005 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 14:44:10,005 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 14:44:10,006 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 14:44:10,006 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 14:44:10,006 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 14:44:10,007 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 14:44:10,008 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 14:44:10,008 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 14:44:10,036 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 14:44:10,037 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 14:44:10,038 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 14:44:10,045 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 14:44:10,046 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 14:44:10,046 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 14:44:10,046 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 14:44:10,046 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 14:44:10,046 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 14:44:10,047 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 14:44:10,047 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 14:44:10,047 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 14:44:10,047 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 14:44:10,047 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 14:44:10,048 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 14:44:10,048 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 14:44:10,048 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 14:44:10,050 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 14:44:10,050 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 14:44:10,051 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 14:44:10,051 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 14:44:10,051 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 14:44:10,051 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 14:44:10,051 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 14:44:10,052 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 14:44:10,052 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 14:44:10,052 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 14:44:10,052 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 14:44:10,052 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 14:44:10,325 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 14:44:10,338 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 14:44:10,342 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 14:44:10,343 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 14:44:10,343 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 14:44:10,344 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec1_product12.cil.c [2019-10-07 14:44:10,404 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a825a9a3e/16f0fc57e44b46b3b21c72086bab5a87/FLAGeee0daa78 [2019-10-07 14:44:11,030 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 14:44:11,031 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec1_product12.cil.c [2019-10-07 14:44:11,056 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a825a9a3e/16f0fc57e44b46b3b21c72086bab5a87/FLAGeee0daa78 [2019-10-07 14:44:11,226 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a825a9a3e/16f0fc57e44b46b3b21c72086bab5a87 [2019-10-07 14:44:11,239 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 14:44:11,241 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 14:44:11,242 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 14:44:11,242 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 14:44:11,246 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 14:44:11,247 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:44:11" (1/1) ... [2019-10-07 14:44:11,250 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2837cd28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:44:11, skipping insertion in model container [2019-10-07 14:44:11,250 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:44:11" (1/1) ... [2019-10-07 14:44:11,258 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 14:44:11,342 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 14:44:12,020 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:44:12,042 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 14:44:12,159 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:44:12,251 INFO L192 MainTranslator]: Completed translation [2019-10-07 14:44:12,251 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:44:12 WrapperNode [2019-10-07 14:44:12,252 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 14:44:12,252 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 14:44:12,253 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 14:44:12,253 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 14:44:12,263 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:44:12" (1/1) ... [2019-10-07 14:44:12,263 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:44:12" (1/1) ... [2019-10-07 14:44:12,293 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:44:12" (1/1) ... [2019-10-07 14:44:12,294 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:44:12" (1/1) ... [2019-10-07 14:44:12,347 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:44:12" (1/1) ... [2019-10-07 14:44:12,372 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:44:12" (1/1) ... [2019-10-07 14:44:12,386 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:44:12" (1/1) ... [2019-10-07 14:44:12,402 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 14:44:12,403 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 14:44:12,403 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 14:44:12,404 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 14:44:12,405 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:44:12" (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 14:44:12,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 14:44:12,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 14:44:12,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 14:44:12,464 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 14:44:12,464 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 14:44:12,464 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 14:44:12,464 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 14:44:12,465 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 14:44:12,465 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-07 14:44:12,465 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-07 14:44:12,465 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-07 14:44:12,466 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-07 14:44:12,466 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-07 14:44:12,466 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-07 14:44:12,467 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-07 14:44:12,467 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-07 14:44:12,467 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 14:44:12,467 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 14:44:12,467 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-07 14:44:12,468 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-07 14:44:12,468 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-07 14:44:12,468 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-07 14:44:12,468 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-07 14:44:12,468 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-07 14:44:12,469 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-07 14:44:12,469 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-07 14:44:12,469 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-07 14:44:12,469 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-07 14:44:12,470 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-07 14:44:12,470 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-07 14:44:12,470 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-07 14:44:12,470 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-07 14:44:12,471 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-07 14:44:12,471 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-07 14:44:12,471 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-07 14:44:12,471 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-07 14:44:12,471 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-07 14:44:12,472 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-07 14:44:12,472 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-07 14:44:12,472 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-07 14:44:12,472 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-07 14:44:12,472 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-07 14:44:12,473 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-07 14:44:12,473 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-07 14:44:12,473 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-07 14:44:12,473 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-07 14:44:12,473 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-07 14:44:12,474 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-07 14:44:12,474 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-07 14:44:12,474 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-07 14:44:12,474 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-07 14:44:12,474 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-07 14:44:12,474 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-07 14:44:12,475 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-07 14:44:12,475 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-07 14:44:12,475 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-07 14:44:12,475 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-07 14:44:12,475 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-07 14:44:12,476 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-07 14:44:12,476 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-07 14:44:12,476 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2019-10-07 14:44:12,476 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-07 14:44:12,476 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-07 14:44:12,477 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-07 14:44:12,477 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-07 14:44:12,477 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-07 14:44:12,477 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-07 14:44:12,477 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-07 14:44:12,478 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-07 14:44:12,478 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-07 14:44:12,478 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-07 14:44:12,478 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-07 14:44:12,478 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-07 14:44:12,479 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-07 14:44:12,479 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-07 14:44:12,479 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-07 14:44:12,479 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-07 14:44:12,479 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-07 14:44:12,480 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-07 14:44:12,480 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-07 14:44:12,480 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-07 14:44:12,480 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-07 14:44:12,480 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-07 14:44:12,481 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-07 14:44:12,481 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-07 14:44:12,481 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-07 14:44:12,481 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-07 14:44:12,481 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-07 14:44:12,481 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-07 14:44:12,482 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-07 14:44:12,482 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-07 14:44:12,482 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-07 14:44:12,482 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 14:44:12,482 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 14:44:12,483 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 14:44:12,483 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 14:44:12,483 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 14:44:12,483 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 14:44:12,483 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 14:44:12,483 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-07 14:44:12,484 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-07 14:44:12,484 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-07 14:44:12,484 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-07 14:44:12,484 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-07 14:44:12,484 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-07 14:44:12,484 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__AddressBookEncrypt_spec__1 [2019-10-07 14:44:12,485 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 14:44:12,485 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 14:44:12,485 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-07 14:44:12,485 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-07 14:44:12,485 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-07 14:44:12,486 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-07 14:44:12,486 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-07 14:44:12,486 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-07 14:44:12,486 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-07 14:44:12,486 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-07 14:44:12,486 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 14:44:12,487 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 14:44:12,487 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 14:44:12,487 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 14:44:12,487 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 14:44:12,487 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 14:44:12,488 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-07 14:44:12,488 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-07 14:44:12,488 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-07 14:44:12,488 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-07 14:44:12,488 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-07 14:44:12,488 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-07 14:44:12,489 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-07 14:44:12,489 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-07 14:44:12,489 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-07 14:44:12,489 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-07 14:44:12,489 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-07 14:44:12,490 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-07 14:44:12,490 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-07 14:44:12,490 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-07 14:44:12,490 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-07 14:44:12,490 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-07 14:44:12,491 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-07 14:44:12,491 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-07 14:44:12,491 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 14:44:12,491 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 14:44:12,491 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-07 14:44:12,492 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-07 14:44:12,492 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-07 14:44:12,492 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-07 14:44:12,492 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-07 14:44:12,492 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 14:44:12,493 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-07 14:44:12,493 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-07 14:44:12,493 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-07 14:44:12,493 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-07 14:44:12,493 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-07 14:44:12,493 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-07 14:44:12,494 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-07 14:44:12,494 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-07 14:44:12,494 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-07 14:44:12,494 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-07 14:44:12,494 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-07 14:44:12,494 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-07 14:44:12,495 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-07 14:44:12,495 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-07 14:44:12,495 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-07 14:44:12,495 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-07 14:44:12,495 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-07 14:44:12,495 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-07 14:44:12,496 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-07 14:44:12,496 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-07 14:44:12,496 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-07 14:44:12,496 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-07 14:44:12,496 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-07 14:44:12,496 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-07 14:44:12,497 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-07 14:44:12,497 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-07 14:44:12,497 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-07 14:44:12,497 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-07 14:44:12,497 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-07 14:44:12,497 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-07 14:44:12,498 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-07 14:44:12,498 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-07 14:44:12,498 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-07 14:44:12,498 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-07 14:44:12,498 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-07 14:44:12,499 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__AddressBookEncrypt_spec__1 [2019-10-07 14:44:12,501 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-07 14:44:12,501 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2019-10-07 14:44:12,501 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-07 14:44:12,502 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-07 14:44:12,502 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-07 14:44:12,502 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-07 14:44:12,502 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-07 14:44:12,502 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-07 14:44:12,502 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-07 14:44:12,502 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-07 14:44:12,503 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-07 14:44:12,503 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-07 14:44:12,503 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-07 14:44:12,503 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-07 14:44:12,503 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-07 14:44:12,503 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-07 14:44:12,503 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-07 14:44:12,503 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-07 14:44:12,503 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 14:44:12,504 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 14:44:12,504 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 14:44:12,504 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 14:44:12,504 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 14:44:12,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 14:44:12,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 14:44:12,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 14:44:12,505 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 14:44:12,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 14:44:12,505 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 14:44:12,505 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 14:44:12,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 14:44:12,505 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 14:44:12,505 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 14:44:12,506 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 14:44:12,506 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 14:44:12,506 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-07 14:44:12,506 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-07 14:44:12,506 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-07 14:44:12,506 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-07 14:44:12,506 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-07 14:44:12,507 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 14:44:12,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 14:44:12,507 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 14:44:16,805 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 14:44:16,805 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-07 14:44:16,807 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:44:16 BoogieIcfgContainer [2019-10-07 14:44:16,807 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 14:44:16,809 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 14:44:16,809 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 14:44:16,812 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 14:44:16,813 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 02:44:11" (1/3) ... [2019-10-07 14:44:16,813 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c6c982d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:44:16, skipping insertion in model container [2019-10-07 14:44:16,814 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:44:12" (2/3) ... [2019-10-07 14:44:16,814 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c6c982d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:44:16, skipping insertion in model container [2019-10-07 14:44:16,814 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:44:16" (3/3) ... [2019-10-07 14:44:16,816 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec1_product12.cil.c [2019-10-07 14:44:16,827 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 14:44:16,836 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 14:44:16,848 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 14:44:16,878 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 14:44:16,878 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 14:44:16,878 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 14:44:16,879 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 14:44:16,879 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 14:44:16,879 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 14:44:16,879 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 14:44:16,879 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 14:44:16,907 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states. [2019-10-07 14:44:16,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2019-10-07 14:44:16,923 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:44:16,924 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:44:16,927 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:44:16,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:44:16,933 INFO L82 PathProgramCache]: Analyzing trace with hash -1110547806, now seen corresponding path program 1 times [2019-10-07 14:44:16,943 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:44:16,943 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:44:16,944 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:44:16,944 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:44:16,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:44:17,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:44:17,569 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 14:44:17,570 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:44:17,571 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:44:17,571 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 14:44:17,576 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 14:44:17,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 14:44:17,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 14:44:17,593 INFO L87 Difference]: Start difference. First operand 311 states. Second operand 2 states. [2019-10-07 14:44:17,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:44:17,655 INFO L93 Difference]: Finished difference Result 399 states and 476 transitions. [2019-10-07 14:44:17,656 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 14:44:17,657 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 114 [2019-10-07 14:44:17,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:44:17,675 INFO L225 Difference]: With dead ends: 399 [2019-10-07 14:44:17,675 INFO L226 Difference]: Without dead ends: 271 [2019-10-07 14:44:17,680 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 14:44:17,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2019-10-07 14:44:17,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 271. [2019-10-07 14:44:17,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 271 states. [2019-10-07 14:44:17,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 323 transitions. [2019-10-07 14:44:17,757 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 323 transitions. Word has length 114 [2019-10-07 14:44:17,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:44:17,760 INFO L462 AbstractCegarLoop]: Abstraction has 271 states and 323 transitions. [2019-10-07 14:44:17,760 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 14:44:17,761 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 323 transitions. [2019-10-07 14:44:17,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2019-10-07 14:44:17,766 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:44:17,766 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:44:17,766 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:44:17,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:44:17,767 INFO L82 PathProgramCache]: Analyzing trace with hash 448657957, now seen corresponding path program 1 times [2019-10-07 14:44:17,770 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:44:17,771 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:44:17,771 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:44:17,771 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:44:17,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:44:17,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:44:18,044 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 14:44:18,045 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:44:18,045 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:44:18,045 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:44:18,050 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:44:18,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:44:18,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:44:18,051 INFO L87 Difference]: Start difference. First operand 271 states and 323 transitions. Second operand 3 states. [2019-10-07 14:44:18,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:44:18,120 INFO L93 Difference]: Finished difference Result 384 states and 448 transitions. [2019-10-07 14:44:18,121 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:44:18,121 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 115 [2019-10-07 14:44:18,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:44:18,128 INFO L225 Difference]: With dead ends: 384 [2019-10-07 14:44:18,128 INFO L226 Difference]: Without dead ends: 273 [2019-10-07 14:44:18,130 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:44:18,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2019-10-07 14:44:18,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 273. [2019-10-07 14:44:18,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 273 states. [2019-10-07 14:44:18,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 325 transitions. [2019-10-07 14:44:18,158 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 325 transitions. Word has length 115 [2019-10-07 14:44:18,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:44:18,158 INFO L462 AbstractCegarLoop]: Abstraction has 273 states and 325 transitions. [2019-10-07 14:44:18,158 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:44:18,159 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 325 transitions. [2019-10-07 14:44:18,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2019-10-07 14:44:18,165 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:44:18,165 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] [2019-10-07 14:44:18,166 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:44:18,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:44:18,166 INFO L82 PathProgramCache]: Analyzing trace with hash 246978125, now seen corresponding path program 1 times [2019-10-07 14:44:18,166 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:44:18,166 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:44:18,167 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:44:18,167 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:44:18,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:44:18,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:44:18,328 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 14:44:18,328 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:44:18,328 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:44:18,328 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:44:18,332 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:44:18,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:44:18,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:44:18,333 INFO L87 Difference]: Start difference. First operand 273 states and 325 transitions. Second operand 3 states. [2019-10-07 14:44:18,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:44:18,400 INFO L93 Difference]: Finished difference Result 526 states and 654 transitions. [2019-10-07 14:44:18,400 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:44:18,400 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 120 [2019-10-07 14:44:18,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:44:18,408 INFO L225 Difference]: With dead ends: 526 [2019-10-07 14:44:18,409 INFO L226 Difference]: Without dead ends: 311 [2019-10-07 14:44:18,412 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:44:18,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2019-10-07 14:44:18,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 310. [2019-10-07 14:44:18,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 310 states. [2019-10-07 14:44:18,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 390 transitions. [2019-10-07 14:44:18,529 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 390 transitions. Word has length 120 [2019-10-07 14:44:18,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:44:18,529 INFO L462 AbstractCegarLoop]: Abstraction has 310 states and 390 transitions. [2019-10-07 14:44:18,529 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:44:18,530 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 390 transitions. [2019-10-07 14:44:18,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2019-10-07 14:44:18,533 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:44:18,533 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] [2019-10-07 14:44:18,534 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:44:18,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:44:18,534 INFO L82 PathProgramCache]: Analyzing trace with hash -2077735623, now seen corresponding path program 1 times [2019-10-07 14:44:18,534 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:44:18,535 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:44:18,535 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:44:18,535 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:44:18,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:44:18,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:44:18,731 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 14:44:18,731 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:44:18,731 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 14:44:18,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 14:44:19,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:44:19,524 INFO L256 TraceCheckSpWp]: Trace formula consists of 2156 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-07 14:44:19,553 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 14:44:19,614 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 14:44:19,614 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 14:44:19,870 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 14:44:19,871 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 14:44:19,903 INFO L162 IcfgInterpreter]: Started Sifa with 110 locations of interest [2019-10-07 14:44:19,904 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 14:44:19,911 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 14:44:19,920 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 14:44:19,920 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 14:44:42,946 WARN L191 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 633 [2019-10-07 14:44:45,922 WARN L191 SmtUtils]: Spent 988.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 207 [2019-10-07 14:44:46,263 WARN L191 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 663 [2019-10-07 14:44:46,554 WARN L191 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 663 [2019-10-07 14:44:46,845 WARN L191 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 663 [2019-10-07 14:44:47,042 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 436 [2019-10-07 14:44:47,788 WARN L191 SmtUtils]: Spent 744.00 ms on a formula simplification that was a NOOP. DAG size: 952 [2019-10-07 14:44:48,401 WARN L191 SmtUtils]: Spent 595.00 ms on a formula simplification that was a NOOP. DAG size: 952 [2019-10-07 14:44:48,987 WARN L191 SmtUtils]: Spent 582.00 ms on a formula simplification that was a NOOP. DAG size: 952 [2019-10-07 14:44:49,151 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 436 [2019-10-07 14:44:49,703 WARN L191 SmtUtils]: Spent 550.00 ms on a formula simplification that was a NOOP. DAG size: 952 [2019-10-07 14:44:50,898 WARN L191 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 954 DAG size of output: 952 [2019-10-07 14:44:51,439 WARN L191 SmtUtils]: Spent 537.00 ms on a formula simplification that was a NOOP. DAG size: 952 [2019-10-07 14:44:51,573 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 436 [2019-10-07 14:44:52,088 WARN L191 SmtUtils]: Spent 513.00 ms on a formula simplification that was a NOOP. DAG size: 952 [2019-10-07 14:44:52,626 WARN L191 SmtUtils]: Spent 535.00 ms on a formula simplification that was a NOOP. DAG size: 952 [2019-10-07 14:44:53,153 WARN L191 SmtUtils]: Spent 523.00 ms on a formula simplification that was a NOOP. DAG size: 952 [2019-10-07 14:44:53,277 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 436 [2019-10-07 14:44:53,799 WARN L191 SmtUtils]: Spent 520.00 ms on a formula simplification that was a NOOP. DAG size: 952 [2019-10-07 14:44:53,822 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 532 for LOIs [2019-10-07 14:44:54,222 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 604 [2019-10-07 14:44:54,359 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 604 [2019-10-07 14:44:54,480 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 436 [2019-10-07 14:44:54,915 WARN L191 SmtUtils]: Spent 433.00 ms on a formula simplification that was a NOOP. DAG size: 893 [2019-10-07 14:44:54,916 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 979 for LOIs [2019-10-07 14:44:55,414 WARN L191 SmtUtils]: Spent 497.00 ms on a formula simplification that was a NOOP. DAG size: 979 [2019-10-07 14:44:55,920 WARN L191 SmtUtils]: Spent 502.00 ms on a formula simplification that was a NOOP. DAG size: 979 [2019-10-07 14:44:56,098 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 536 [2019-10-07 14:44:56,810 WARN L191 SmtUtils]: Spent 710.00 ms on a formula simplification that was a NOOP. DAG size: 1084 [2019-10-07 14:44:57,335 WARN L191 SmtUtils]: Spent 506.00 ms on a formula simplification that was a NOOP. DAG size: 985 [2019-10-07 14:44:57,861 WARN L191 SmtUtils]: Spent 522.00 ms on a formula simplification that was a NOOP. DAG size: 985 [2019-10-07 14:44:58,061 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 542 [2019-10-07 14:44:58,761 WARN L191 SmtUtils]: Spent 698.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:44:59,335 WARN L191 SmtUtils]: Spent 544.00 ms on a formula simplification that was a NOOP. DAG size: 985 [2019-10-07 14:44:59,862 WARN L191 SmtUtils]: Spent 523.00 ms on a formula simplification that was a NOOP. DAG size: 985 [2019-10-07 14:45:00,042 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 542 [2019-10-07 14:45:00,759 WARN L191 SmtUtils]: Spent 715.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:45:01,758 WARN L191 SmtUtils]: Spent 971.00 ms on a formula simplification. DAG size of input: 1092 DAG size of output: 985 [2019-10-07 14:45:02,268 WARN L191 SmtUtils]: Spent 506.00 ms on a formula simplification that was a NOOP. DAG size: 985 [2019-10-07 14:45:02,658 WARN L191 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 544 DAG size of output: 542 [2019-10-07 14:45:03,358 WARN L191 SmtUtils]: Spent 697.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:45:03,894 WARN L191 SmtUtils]: Spent 521.00 ms on a formula simplification that was a NOOP. DAG size: 985 [2019-10-07 14:45:04,405 WARN L191 SmtUtils]: Spent 507.00 ms on a formula simplification that was a NOOP. DAG size: 985 [2019-10-07 14:45:04,579 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 542 [2019-10-07 14:45:05,283 WARN L191 SmtUtils]: Spent 701.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:45:05,805 WARN L191 SmtUtils]: Spent 519.00 ms on a formula simplification that was a NOOP. DAG size: 985 [2019-10-07 14:45:06,324 WARN L191 SmtUtils]: Spent 516.00 ms on a formula simplification that was a NOOP. DAG size: 985 [2019-10-07 14:45:06,497 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 542 [2019-10-07 14:45:07,198 WARN L191 SmtUtils]: Spent 699.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:45:07,706 WARN L191 SmtUtils]: Spent 506.00 ms on a formula simplification that was a NOOP. DAG size: 985 [2019-10-07 14:45:08,216 WARN L191 SmtUtils]: Spent 506.00 ms on a formula simplification that was a NOOP. DAG size: 985 [2019-10-07 14:45:08,393 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 542 [2019-10-07 14:45:09,098 WARN L191 SmtUtils]: Spent 702.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:45:09,606 WARN L191 SmtUtils]: Spent 505.00 ms on a formula simplification that was a NOOP. DAG size: 985 [2019-10-07 14:45:10,157 WARN L191 SmtUtils]: Spent 547.00 ms on a formula simplification that was a NOOP. DAG size: 985 [2019-10-07 14:45:10,330 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 542 [2019-10-07 14:45:11,044 WARN L191 SmtUtils]: Spent 712.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:45:11,561 WARN L191 SmtUtils]: Spent 515.00 ms on a formula simplification that was a NOOP. DAG size: 985 [2019-10-07 14:45:12,069 WARN L191 SmtUtils]: Spent 505.00 ms on a formula simplification that was a NOOP. DAG size: 985 [2019-10-07 14:45:12,241 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 542 [2019-10-07 14:45:12,936 WARN L191 SmtUtils]: Spent 693.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:45:13,445 WARN L191 SmtUtils]: Spent 506.00 ms on a formula simplification that was a NOOP. DAG size: 985 [2019-10-07 14:45:13,961 WARN L191 SmtUtils]: Spent 511.00 ms on a formula simplification that was a NOOP. DAG size: 985 [2019-10-07 14:45:14,136 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 542 [2019-10-07 14:45:14,833 WARN L191 SmtUtils]: Spent 695.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:45:15,348 WARN L191 SmtUtils]: Spent 512.00 ms on a formula simplification that was a NOOP. DAG size: 985 [2019-10-07 14:45:15,857 WARN L191 SmtUtils]: Spent 506.00 ms on a formula simplification that was a NOOP. DAG size: 985 [2019-10-07 14:45:16,036 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 542 [2019-10-07 14:45:16,740 WARN L191 SmtUtils]: Spent 703.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:45:17,249 WARN L191 SmtUtils]: Spent 507.00 ms on a formula simplification that was a NOOP. DAG size: 985 [2019-10-07 14:45:17,759 WARN L191 SmtUtils]: Spent 507.00 ms on a formula simplification that was a NOOP. DAG size: 985 [2019-10-07 14:45:17,958 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 542 [2019-10-07 14:45:18,653 WARN L191 SmtUtils]: Spent 693.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:45:19,161 WARN L191 SmtUtils]: Spent 505.00 ms on a formula simplification that was a NOOP. DAG size: 985 [2019-10-07 14:45:19,678 WARN L191 SmtUtils]: Spent 514.00 ms on a formula simplification that was a NOOP. DAG size: 985 [2019-10-07 14:45:19,852 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 542 [2019-10-07 14:45:20,554 WARN L191 SmtUtils]: Spent 700.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:45:21,299 WARN L191 SmtUtils]: Spent 702.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:45:22,000 WARN L191 SmtUtils]: Spent 697.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:45:22,314 WARN L191 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 542 [2019-10-07 14:45:23,030 WARN L191 SmtUtils]: Spent 714.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:45:24,317 WARN L191 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 1092 DAG size of output: 1090 [2019-10-07 14:45:25,024 WARN L191 SmtUtils]: Spent 704.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:45:25,211 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 542 [2019-10-07 14:45:25,907 WARN L191 SmtUtils]: Spent 694.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:45:26,615 WARN L191 SmtUtils]: Spent 705.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:45:27,320 WARN L191 SmtUtils]: Spent 701.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:45:27,492 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 542 [2019-10-07 14:45:28,194 WARN L191 SmtUtils]: Spent 700.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:45:28,953 WARN L191 SmtUtils]: Spent 726.00 ms on a formula simplification that was a NOOP. DAG size: 1094 [2019-10-07 14:45:29,659 WARN L191 SmtUtils]: Spent 702.00 ms on a formula simplification that was a NOOP. DAG size: 1094 [2019-10-07 14:45:29,842 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 545 [2019-10-07 14:45:30,546 WARN L191 SmtUtils]: Spent 702.00 ms on a formula simplification that was a NOOP. DAG size: 1094 [2019-10-07 14:45:31,870 WARN L191 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 1096 DAG size of output: 1094 [2019-10-07 14:45:32,578 WARN L191 SmtUtils]: Spent 705.00 ms on a formula simplification that was a NOOP. DAG size: 1094 [2019-10-07 14:45:32,759 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 545 [2019-10-07 14:45:33,463 WARN L191 SmtUtils]: Spent 702.00 ms on a formula simplification that was a NOOP. DAG size: 1094 [2019-10-07 14:45:34,736 WARN L191 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 1096 DAG size of output: 1094 [2019-10-07 14:45:35,443 WARN L191 SmtUtils]: Spent 704.00 ms on a formula simplification that was a NOOP. DAG size: 1094 [2019-10-07 14:45:35,618 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 545 [2019-10-07 14:45:36,323 WARN L191 SmtUtils]: Spent 702.00 ms on a formula simplification that was a NOOP. DAG size: 1094 [2019-10-07 14:45:37,049 WARN L191 SmtUtils]: Spent 718.00 ms on a formula simplification that was a NOOP. DAG size: 1097 [2019-10-07 14:45:37,757 WARN L191 SmtUtils]: Spent 705.00 ms on a formula simplification that was a NOOP. DAG size: 1097 [2019-10-07 14:45:37,940 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 545 [2019-10-07 14:45:38,641 WARN L191 SmtUtils]: Spent 698.00 ms on a formula simplification that was a NOOP. DAG size: 1097 [2019-10-07 14:45:39,351 WARN L191 SmtUtils]: Spent 708.00 ms on a formula simplification that was a NOOP. DAG size: 1099 [2019-10-07 14:45:40,064 WARN L191 SmtUtils]: Spent 709.00 ms on a formula simplification that was a NOOP. DAG size: 1099 [2019-10-07 14:45:40,245 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 545 [2019-10-07 14:45:40,954 WARN L191 SmtUtils]: Spent 706.00 ms on a formula simplification that was a NOOP. DAG size: 1099 [2019-10-07 14:45:42,345 WARN L191 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 1092 DAG size of output: 1090 [2019-10-07 14:45:43,044 WARN L191 SmtUtils]: Spent 695.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:45:43,238 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 542 [2019-10-07 14:45:43,934 WARN L191 SmtUtils]: Spent 694.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:45:45,970 WARN L191 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 1092 DAG size of output: 1090 [2019-10-07 14:45:46,671 WARN L191 SmtUtils]: Spent 698.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:45:46,878 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 542 [2019-10-07 14:45:47,579 WARN L191 SmtUtils]: Spent 699.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:45:48,278 WARN L191 SmtUtils]: Spent 696.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:45:48,980 WARN L191 SmtUtils]: Spent 699.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:45:49,151 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 542 [2019-10-07 14:45:49,855 WARN L191 SmtUtils]: Spent 702.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:45:51,505 WARN L191 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 1092 DAG size of output: 1090 [2019-10-07 14:45:52,210 WARN L191 SmtUtils]: Spent 702.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:45:52,390 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 542 [2019-10-07 14:45:53,085 WARN L191 SmtUtils]: Spent 693.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:45:54,342 WARN L191 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 1092 DAG size of output: 1090 [2019-10-07 14:45:55,047 WARN L191 SmtUtils]: Spent 701.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:45:55,226 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 542 [2019-10-07 14:45:55,918 WARN L191 SmtUtils]: Spent 689.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:45:56,617 WARN L191 SmtUtils]: Spent 696.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:45:57,319 WARN L191 SmtUtils]: Spent 699.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:45:57,491 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 542 [2019-10-07 14:45:58,193 WARN L191 SmtUtils]: Spent 701.00 ms on a formula simplification that was a NOOP. DAG size: 1090 [2019-10-07 14:45:59,482 WARN L191 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 1096 DAG size of output: 1094 [2019-10-07 14:46:00,182 WARN L191 SmtUtils]: Spent 697.00 ms on a formula simplification that was a NOOP. DAG size: 1094 [2019-10-07 14:46:00,363 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 545 [2019-10-07 14:46:01,057 WARN L191 SmtUtils]: Spent 692.00 ms on a formula simplification that was a NOOP. DAG size: 1094 [2019-10-07 14:46:02,334 WARN L191 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 1096 DAG size of output: 1094 [2019-10-07 14:46:03,042 WARN L191 SmtUtils]: Spent 704.00 ms on a formula simplification that was a NOOP. DAG size: 1094 [2019-10-07 14:46:03,235 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 545 [2019-10-07 14:46:03,947 WARN L191 SmtUtils]: Spent 710.00 ms on a formula simplification that was a NOOP. DAG size: 1094 [2019-10-07 14:46:04,655 WARN L191 SmtUtils]: Spent 705.00 ms on a formula simplification that was a NOOP. DAG size: 1094 [2019-10-07 14:46:05,362 WARN L191 SmtUtils]: Spent 704.00 ms on a formula simplification that was a NOOP. DAG size: 1094 [2019-10-07 14:46:05,535 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 545 [2019-10-07 14:46:06,243 WARN L191 SmtUtils]: Spent 706.00 ms on a formula simplification that was a NOOP. DAG size: 1094 [2019-10-07 14:46:07,500 WARN L191 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 1099 DAG size of output: 1092 [2019-10-07 14:46:08,205 WARN L191 SmtUtils]: Spent 701.00 ms on a formula simplification that was a NOOP. DAG size: 1092 [2019-10-07 14:46:08,386 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 545 [2019-10-07 14:46:09,094 WARN L191 SmtUtils]: Spent 706.00 ms on a formula simplification that was a NOOP. DAG size: 1094 [2019-10-07 14:46:10,279 WARN L191 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 1101 DAG size of output: 1094 [2019-10-07 14:46:10,975 WARN L191 SmtUtils]: Spent 693.00 ms on a formula simplification that was a NOOP. DAG size: 1094 [2019-10-07 14:46:11,154 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 545 [2019-10-07 14:46:11,861 WARN L191 SmtUtils]: Spent 704.00 ms on a formula simplification that was a NOOP. DAG size: 1096 [2019-10-07 14:46:12,123 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 14:46:12,124 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.generateProof(TraceAbstractionRefinementEngine.java:177) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.executeStrategy(TraceAbstractionRefinementEngine.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.RefinementEngineFactory.runRefinementEngine(RefinementEngineFactory.java:133) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε at de.uni_freiburg.informatik.ultimate.lib.sifa.PriorityWorklist.add(PriorityWorklist.java:97) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.lambda$2(DagInterpreter.java:135) at java.lang.Iterable.forEach(Iterable.java:75) at java.util.Collections$UnmodifiableCollection.forEach(Collections.java:1080) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:135) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:139) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:287) ... 21 more [2019-10-07 14:46:12,131 INFO L168 Benchmark]: Toolchain (without parser) took 120890.37 ms. Allocated memory was 139.5 MB in the beginning and 868.2 MB in the end (delta: 728.8 MB). Free memory was 102.4 MB in the beginning and 475.2 MB in the end (delta: -372.8 MB). Peak memory consumption was 355.9 MB. Max. memory is 7.1 GB. [2019-10-07 14:46:12,132 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 139.5 MB. Free memory was 122.7 MB in the beginning and 122.5 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-10-07 14:46:12,132 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1010.23 ms. Allocated memory was 139.5 MB in the beginning and 205.0 MB in the end (delta: 65.5 MB). Free memory was 102.2 MB in the beginning and 145.8 MB in the end (delta: -43.6 MB). Peak memory consumption was 33.4 MB. Max. memory is 7.1 GB. [2019-10-07 14:46:12,133 INFO L168 Benchmark]: Boogie Preprocessor took 150.38 ms. Allocated memory is still 205.0 MB. Free memory was 145.8 MB in the beginning and 136.9 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. [2019-10-07 14:46:12,134 INFO L168 Benchmark]: RCFGBuilder took 4404.48 ms. Allocated memory was 205.0 MB in the beginning and 291.5 MB in the end (delta: 86.5 MB). Free memory was 136.9 MB in the beginning and 94.3 MB in the end (delta: 42.5 MB). Peak memory consumption was 129.0 MB. Max. memory is 7.1 GB. [2019-10-07 14:46:12,134 INFO L168 Benchmark]: TraceAbstraction took 115320.35 ms. Allocated memory was 291.5 MB in the beginning and 868.2 MB in the end (delta: 576.7 MB). Free memory was 94.3 MB in the beginning and 475.2 MB in the end (delta: -380.9 MB). Peak memory consumption was 195.9 MB. Max. memory is 7.1 GB. [2019-10-07 14:46:12,138 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 139.5 MB. Free memory was 122.7 MB in the beginning and 122.5 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1010.23 ms. Allocated memory was 139.5 MB in the beginning and 205.0 MB in the end (delta: 65.5 MB). Free memory was 102.2 MB in the beginning and 145.8 MB in the end (delta: -43.6 MB). Peak memory consumption was 33.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 150.38 ms. Allocated memory is still 205.0 MB. Free memory was 145.8 MB in the beginning and 136.9 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4404.48 ms. Allocated memory was 205.0 MB in the beginning and 291.5 MB in the end (delta: 86.5 MB). Free memory was 136.9 MB in the beginning and 94.3 MB in the end (delta: 42.5 MB). Peak memory consumption was 129.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 115320.35 ms. Allocated memory was 291.5 MB in the beginning and 868.2 MB in the end (delta: 576.7 MB). Free memory was 94.3 MB in the beginning and 475.2 MB in the end (delta: -380.9 MB). Peak memory consumption was 195.9 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...