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_spec3_product33.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 14:55:14,153 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 14:55:14,156 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 14:55:14,175 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 14:55:14,175 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 14:55:14,177 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 14:55:14,179 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 14:55:14,185 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 14:55:14,189 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 14:55:14,190 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 14:55:14,191 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 14:55:14,192 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 14:55:14,192 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 14:55:14,193 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 14:55:14,194 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 14:55:14,195 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 14:55:14,196 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 14:55:14,197 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 14:55:14,199 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 14:55:14,200 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 14:55:14,202 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 14:55:14,203 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 14:55:14,204 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 14:55:14,205 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 14:55:14,207 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 14:55:14,207 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 14:55:14,207 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 14:55:14,208 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 14:55:14,209 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 14:55:14,209 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 14:55:14,210 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 14:55:14,211 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 14:55:14,211 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 14:55:14,212 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 14:55:14,213 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 14:55:14,213 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 14:55:14,214 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 14:55:14,214 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 14:55:14,214 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 14:55:14,215 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 14:55:14,216 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 14:55:14,217 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 14:55:14,231 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 14:55:14,231 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 14:55:14,232 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 14:55:14,233 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 14:55:14,233 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 14:55:14,233 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 14:55:14,233 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 14:55:14,233 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 14:55:14,234 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 14:55:14,234 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 14:55:14,234 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 14:55:14,234 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 14:55:14,234 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 14:55:14,235 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 14:55:14,235 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 14:55:14,235 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 14:55:14,235 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 14:55:14,235 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 14:55:14,236 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 14:55:14,236 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 14:55:14,236 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 14:55:14,236 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 14:55:14,237 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 14:55:14,237 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 14:55:14,237 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 14:55:14,237 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 14:55:14,237 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 14:55:14,238 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 14:55:14,238 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 14:55:14,530 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 14:55:14,543 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 14:55:14,547 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 14:55:14,548 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 14:55:14,549 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 14:55:14,550 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec3_product33.cil.c [2019-10-07 14:55:14,613 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0ae9e46c/9c3516f16954439b917afa38baf6840a/FLAGfddbfe87f [2019-10-07 14:55:15,250 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 14:55:15,251 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec3_product33.cil.c [2019-10-07 14:55:15,272 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0ae9e46c/9c3516f16954439b917afa38baf6840a/FLAGfddbfe87f [2019-10-07 14:55:15,437 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0ae9e46c/9c3516f16954439b917afa38baf6840a [2019-10-07 14:55:15,449 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 14:55:15,450 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 14:55:15,451 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 14:55:15,451 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 14:55:15,455 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 14:55:15,456 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:55:15" (1/1) ... [2019-10-07 14:55:15,459 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@191613fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:55:15, skipping insertion in model container [2019-10-07 14:55:15,459 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:55:15" (1/1) ... [2019-10-07 14:55:15,466 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 14:55:15,541 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 14:55:16,383 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:55:16,408 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 14:55:16,583 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:55:16,721 INFO L192 MainTranslator]: Completed translation [2019-10-07 14:55:16,721 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:55:16 WrapperNode [2019-10-07 14:55:16,722 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 14:55:16,723 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 14:55:16,723 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 14:55:16,724 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 14:55:16,739 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:55:16" (1/1) ... [2019-10-07 14:55:16,739 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:55:16" (1/1) ... [2019-10-07 14:55:16,775 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:55:16" (1/1) ... [2019-10-07 14:55:16,776 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:55:16" (1/1) ... [2019-10-07 14:55:16,859 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:55:16" (1/1) ... [2019-10-07 14:55:16,886 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:55:16" (1/1) ... [2019-10-07 14:55:16,901 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:55:16" (1/1) ... [2019-10-07 14:55:16,931 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 14:55:16,932 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 14:55:16,932 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 14:55:16,932 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 14:55:16,938 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:55:16" (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 14:55:17,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 14:55:17,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 14:55:17,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 14:55:17,042 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-07 14:55:17,043 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-07 14:55:17,043 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-07 14:55:17,043 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-07 14:55:17,043 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-07 14:55:17,043 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-07 14:55:17,044 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-07 14:55:17,044 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-07 14:55:17,044 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 14:55:17,044 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 14:55:17,044 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-07 14:55:17,045 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-07 14:55:17,045 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-07 14:55:17,045 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-07 14:55:17,045 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-07 14:55:17,046 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-07 14:55:17,046 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-07 14:55:17,046 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-07 14:55:17,046 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-07 14:55:17,047 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-07 14:55:17,047 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-07 14:55:17,047 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-07 14:55:17,047 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-07 14:55:17,047 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-07 14:55:17,048 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-07 14:55:17,048 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-07 14:55:17,048 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-07 14:55:17,048 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-07 14:55:17,048 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-07 14:55:17,048 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-07 14:55:17,049 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-07 14:55:17,049 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-07 14:55:17,049 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-07 14:55:17,049 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-07 14:55:17,049 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-07 14:55:17,049 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-07 14:55:17,049 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-07 14:55:17,050 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-07 14:55:17,050 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-07 14:55:17,050 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-07 14:55:17,050 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-07 14:55:17,050 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-07 14:55:17,050 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-07 14:55:17,051 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-07 14:55:17,051 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-07 14:55:17,051 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-07 14:55:17,051 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-07 14:55:17,051 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-07 14:55:17,051 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-07 14:55:17,052 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-07 14:55:17,052 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-07 14:55:17,052 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-07 14:55:17,052 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-07 14:55:17,052 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-07 14:55:17,052 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-07 14:55:17,053 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-07 14:55:17,053 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-07 14:55:17,053 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-07 14:55:17,053 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-07 14:55:17,053 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-07 14:55:17,054 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-07 14:55:17,054 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-07 14:55:17,054 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-07 14:55:17,054 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-07 14:55:17,054 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-07 14:55:17,054 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-07 14:55:17,055 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-07 14:55:17,055 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-07 14:55:17,055 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-07 14:55:17,055 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-07 14:55:17,055 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-07 14:55:17,055 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 14:55:17,055 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 14:55:17,056 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 14:55:17,056 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 14:55:17,056 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-07 14:55:17,056 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AutoResponder [2019-10-07 14:55:17,056 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2019-10-07 14:55:17,057 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-07 14:55:17,057 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-07 14:55:17,057 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-07 14:55:17,057 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-07 14:55:17,057 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-07 14:55:17,057 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 14:55:17,057 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 14:55:17,058 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 14:55:17,058 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 14:55:17,058 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 14:55:17,058 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 14:55:17,058 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 14:55:17,058 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-07 14:55:17,059 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-07 14:55:17,059 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-10-07 14:55:17,059 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-07 14:55:17,059 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-07 14:55:17,059 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2019-10-07 14:55:17,059 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-07 14:55:17,060 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-10-07 14:55:17,060 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-10-07 14:55:17,060 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-07 14:55:17,060 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-07 14:55:17,060 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-07 14:55:17,060 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-07 14:55:17,061 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-07 14:55:17,061 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-07 14:55:17,061 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-07 14:55:17,061 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-07 14:55:17,061 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-07 14:55:17,062 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-07 14:55:17,062 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-07 14:55:17,062 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-07 14:55:17,062 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-07 14:55:17,062 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-07 14:55:17,062 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignVerify_spec__1 [2019-10-07 14:55:17,062 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignVerify_spec__2 [2019-10-07 14:55:17,063 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 14:55:17,063 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 14:55:17,063 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 14:55:17,063 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 14:55:17,063 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-07 14:55:17,063 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-07 14:55:17,064 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-07 14:55:17,064 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-07 14:55:17,064 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-07 14:55:17,064 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-07 14:55:17,064 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-07 14:55:17,064 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-07 14:55:17,065 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-07 14:55:17,065 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-07 14:55:17,065 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 14:55:17,065 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 14:55:17,065 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 14:55:17,066 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-07 14:55:17,066 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-07 14:55:17,066 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-07 14:55:17,066 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-07 14:55:17,066 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-07 14:55:17,066 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-07 14:55:17,067 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-07 14:55:17,067 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-07 14:55:17,067 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-07 14:55:17,067 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-07 14:55:17,067 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-07 14:55:17,068 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 14:55:17,068 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 14:55:17,068 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 14:55:17,068 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-07 14:55:17,068 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-07 14:55:17,068 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-07 14:55:17,069 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-07 14:55:17,069 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-07 14:55:17,069 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-07 14:55:17,069 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-07 14:55:17,069 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-07 14:55:17,070 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-07 14:55:17,070 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-07 14:55:17,070 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-07 14:55:17,070 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-07 14:55:17,070 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-07 14:55:17,071 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-07 14:55:17,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 14:55:17,071 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-07 14:55:17,071 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-07 14:55:17,071 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-07 14:55:17,071 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-07 14:55:17,071 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-07 14:55:17,072 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-07 14:55:17,072 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-07 14:55:17,072 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-07 14:55:17,072 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-07 14:55:17,072 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-07 14:55:17,072 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-07 14:55:17,073 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-07 14:55:17,073 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-07 14:55:17,073 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-07 14:55:17,073 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-07 14:55:17,073 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-07 14:55:17,073 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-07 14:55:17,074 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-07 14:55:17,074 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-07 14:55:17,074 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-07 14:55:17,074 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-07 14:55:17,074 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-07 14:55:17,074 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-07 14:55:17,075 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-07 14:55:17,075 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-07 14:55:17,075 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-07 14:55:17,075 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-07 14:55:17,075 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-07 14:55:17,075 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-07 14:55:17,076 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-07 14:55:17,076 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-07 14:55:17,076 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-07 14:55:17,076 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-07 14:55:17,076 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-07 14:55:17,076 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-07 14:55:17,077 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-07 14:55:17,077 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-07 14:55:17,077 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-07 14:55:17,077 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-07 14:55:17,077 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-07 14:55:17,077 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-07 14:55:17,078 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 14:55:17,078 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-07 14:55:17,078 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-07 14:55:17,078 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-07 14:55:17,078 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-07 14:55:17,078 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-07 14:55:17,079 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AutoResponder [2019-10-07 14:55:17,079 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2019-10-07 14:55:17,079 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-07 14:55:17,079 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 14:55:17,079 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 14:55:17,079 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 14:55:17,080 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 14:55:17,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 14:55:17,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 14:55:17,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 14:55:17,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 14:55:17,080 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 14:55:17,081 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 14:55:17,081 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 14:55:17,081 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 14:55:17,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 14:55:17,081 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 14:55:17,081 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 14:55:17,082 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 14:55:17,082 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-07 14:55:17,082 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-07 14:55:17,082 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-07 14:55:17,082 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-07 14:55:17,082 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-07 14:55:17,082 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-07 14:55:17,083 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-07 14:55:17,083 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-07 14:55:17,083 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-07 14:55:17,083 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-07 14:55:17,083 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignVerify_spec__1 [2019-10-07 14:55:17,083 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-07 14:55:17,083 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-10-07 14:55:17,084 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2019-10-07 14:55:17,084 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-07 14:55:17,084 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-10-07 14:55:17,084 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-10-07 14:55:17,084 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignVerify_spec__2 [2019-10-07 14:55:17,084 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-07 14:55:17,085 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 14:55:17,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 14:55:17,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 14:55:17,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 14:55:22,303 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 14:55:22,304 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-07 14:55:22,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:55:22 BoogieIcfgContainer [2019-10-07 14:55:22,306 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 14:55:22,374 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 14:55:22,374 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 14:55:22,377 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 14:55:22,378 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 02:55:15" (1/3) ... [2019-10-07 14:55:22,379 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@282b41cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:55:22, skipping insertion in model container [2019-10-07 14:55:22,379 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:55:16" (2/3) ... [2019-10-07 14:55:22,379 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@282b41cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:55:22, skipping insertion in model container [2019-10-07 14:55:22,379 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:55:22" (3/3) ... [2019-10-07 14:55:22,381 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec3_product33.cil.c [2019-10-07 14:55:22,392 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 14:55:22,401 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 14:55:22,413 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 14:55:22,444 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 14:55:22,444 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 14:55:22,444 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 14:55:22,444 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 14:55:22,444 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 14:55:22,445 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 14:55:22,445 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 14:55:22,445 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 14:55:22,478 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states. [2019-10-07 14:55:22,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2019-10-07 14:55:22,496 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:55:22,498 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 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 14:55:22,502 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:55:22,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:55:22,508 INFO L82 PathProgramCache]: Analyzing trace with hash -1348113760, now seen corresponding path program 1 times [2019-10-07 14:55:22,516 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:55:22,516 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:55:22,516 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:55:22,517 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:55:22,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:55:22,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:55:23,187 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-07 14:55:23,188 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:55:23,189 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:55:23,189 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 14:55:23,195 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 14:55:23,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 14:55:23,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 14:55:23,212 INFO L87 Difference]: Start difference. First operand 445 states. Second operand 2 states. [2019-10-07 14:55:23,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:55:23,344 INFO L93 Difference]: Finished difference Result 691 states and 828 transitions. [2019-10-07 14:55:23,345 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 14:55:23,346 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 152 [2019-10-07 14:55:23,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:55:23,389 INFO L225 Difference]: With dead ends: 691 [2019-10-07 14:55:23,389 INFO L226 Difference]: Without dead ends: 424 [2019-10-07 14:55:23,401 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 14:55:23,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2019-10-07 14:55:23,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 424. [2019-10-07 14:55:23,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 424 states. [2019-10-07 14:55:23,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 503 transitions. [2019-10-07 14:55:23,551 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 503 transitions. Word has length 152 [2019-10-07 14:55:23,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:55:23,553 INFO L462 AbstractCegarLoop]: Abstraction has 424 states and 503 transitions. [2019-10-07 14:55:23,553 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 14:55:23,553 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 503 transitions. [2019-10-07 14:55:23,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2019-10-07 14:55:23,559 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:55:23,560 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 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] [2019-10-07 14:55:23,560 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:55:23,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:55:23,560 INFO L82 PathProgramCache]: Analyzing trace with hash -173875731, now seen corresponding path program 1 times [2019-10-07 14:55:23,561 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:55:23,561 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:55:23,561 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:55:23,561 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:55:23,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:55:23,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:55:23,797 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-07 14:55:23,798 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:55:23,798 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:55:23,798 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:55:23,806 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:55:23,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:55:23,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:55:23,807 INFO L87 Difference]: Start difference. First operand 424 states and 503 transitions. Second operand 3 states. [2019-10-07 14:55:23,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:55:23,846 INFO L93 Difference]: Finished difference Result 676 states and 794 transitions. [2019-10-07 14:55:23,847 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:55:23,847 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 153 [2019-10-07 14:55:23,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:55:23,851 INFO L225 Difference]: With dead ends: 676 [2019-10-07 14:55:23,851 INFO L226 Difference]: Without dead ends: 426 [2019-10-07 14:55:23,853 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 14:55:23,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2019-10-07 14:55:23,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 426. [2019-10-07 14:55:23,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 426 states. [2019-10-07 14:55:23,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 505 transitions. [2019-10-07 14:55:23,875 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 505 transitions. Word has length 153 [2019-10-07 14:55:23,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:55:23,875 INFO L462 AbstractCegarLoop]: Abstraction has 426 states and 505 transitions. [2019-10-07 14:55:23,876 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:55:23,876 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 505 transitions. [2019-10-07 14:55:23,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2019-10-07 14:55:23,879 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:55:23,880 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:55:23,880 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:55:23,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:55:23,880 INFO L82 PathProgramCache]: Analyzing trace with hash -306447211, now seen corresponding path program 1 times [2019-10-07 14:55:23,881 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:55:23,881 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:55:23,881 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:55:23,881 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:55:23,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:55:24,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:55:24,163 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-07 14:55:24,163 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:55:24,164 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:55:24,164 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:55:24,165 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:55:24,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:55:24,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:55:24,166 INFO L87 Difference]: Start difference. First operand 426 states and 505 transitions. Second operand 3 states. [2019-10-07 14:55:24,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:55:24,220 INFO L93 Difference]: Finished difference Result 836 states and 1020 transitions. [2019-10-07 14:55:24,221 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:55:24,221 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 165 [2019-10-07 14:55:24,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:55:24,228 INFO L225 Difference]: With dead ends: 836 [2019-10-07 14:55:24,228 INFO L226 Difference]: Without dead ends: 468 [2019-10-07 14:55:24,230 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 14:55:24,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 468 states. [2019-10-07 14:55:24,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 468 to 467. [2019-10-07 14:55:24,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 467 states. [2019-10-07 14:55:24,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 576 transitions. [2019-10-07 14:55:24,261 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 576 transitions. Word has length 165 [2019-10-07 14:55:24,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:55:24,262 INFO L462 AbstractCegarLoop]: Abstraction has 467 states and 576 transitions. [2019-10-07 14:55:24,262 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:55:24,262 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 576 transitions. [2019-10-07 14:55:24,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2019-10-07 14:55:24,270 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:55:24,272 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:55:24,274 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:55:24,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:55:24,275 INFO L82 PathProgramCache]: Analyzing trace with hash 463308901, now seen corresponding path program 1 times [2019-10-07 14:55:24,275 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:55:24,275 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:55:24,276 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:55:24,276 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:55:24,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:55:24,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:55:25,152 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-10-07 14:55:25,152 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:55:25,153 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:55:25,153 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2019-10-07 14:55:25,154 INFO L442 AbstractCegarLoop]: Interpolant automaton has 25 states [2019-10-07 14:55:25,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2019-10-07 14:55:25,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=538, Unknown=0, NotChecked=0, Total=600 [2019-10-07 14:55:25,156 INFO L87 Difference]: Start difference. First operand 467 states and 576 transitions. Second operand 25 states. [2019-10-07 14:55:42,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:55:42,038 INFO L93 Difference]: Finished difference Result 1343 states and 1597 transitions. [2019-10-07 14:55:42,038 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2019-10-07 14:55:42,039 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 166 [2019-10-07 14:55:42,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:55:42,047 INFO L225 Difference]: With dead ends: 1343 [2019-10-07 14:55:42,047 INFO L226 Difference]: Without dead ends: 969 [2019-10-07 14:55:42,050 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 681 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=381, Invalid=2811, Unknown=0, NotChecked=0, Total=3192 [2019-10-07 14:55:42,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 969 states. [2019-10-07 14:55:42,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 969 to 959. [2019-10-07 14:55:42,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 959 states. [2019-10-07 14:55:42,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 959 states to 959 states and 1136 transitions. [2019-10-07 14:55:42,110 INFO L78 Accepts]: Start accepts. Automaton has 959 states and 1136 transitions. Word has length 166 [2019-10-07 14:55:42,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:55:42,111 INFO L462 AbstractCegarLoop]: Abstraction has 959 states and 1136 transitions. [2019-10-07 14:55:42,112 INFO L463 AbstractCegarLoop]: Interpolant automaton has 25 states. [2019-10-07 14:55:42,112 INFO L276 IsEmpty]: Start isEmpty. Operand 959 states and 1136 transitions. [2019-10-07 14:55:42,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2019-10-07 14:55:42,115 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:55:42,116 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:55:42,116 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:55:42,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:55:42,117 INFO L82 PathProgramCache]: Analyzing trace with hash 1343406568, now seen corresponding path program 1 times [2019-10-07 14:55:42,117 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:55:42,117 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:55:42,117 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:55:42,117 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:55:42,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:55:42,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:55:43,208 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-10-07 14:55:43,209 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:55:43,209 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 14:55:43,209 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 14:55:43,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:55:43,914 INFO L256 TraceCheckSpWp]: Trace formula consists of 2925 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-07 14:55:43,933 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 14:55:44,051 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-07 14:55:44,051 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 14:55:44,325 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-07 14:55:44,326 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 14:55:44,365 INFO L162 IcfgInterpreter]: Started Sifa with 155 locations of interest [2019-10-07 14:55:44,365 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 14:55:44,373 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 14:55:44,381 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 14:55:44,382 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 14:57:11,815 WARN L191 SmtUtils]: Spent 520.00 ms on a formula simplification that was a NOOP. DAG size: 723 [2019-10-07 14:57:16,916 WARN L191 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 361 DAG size of output: 293 [2019-10-07 14:57:17,485 WARN L191 SmtUtils]: Spent 558.00 ms on a formula simplification that was a NOOP. DAG size: 775 [2019-10-07 14:57:17,911 WARN L191 SmtUtils]: Spent 420.00 ms on a formula simplification that was a NOOP. DAG size: 775 [2019-10-07 14:57:18,279 WARN L191 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 775 [2019-10-07 14:57:18,494 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 460 [2019-10-07 14:57:19,310 WARN L191 SmtUtils]: Spent 814.00 ms on a formula simplification that was a NOOP. DAG size: 1080 [2019-10-07 14:57:20,087 WARN L191 SmtUtils]: Spent 755.00 ms on a formula simplification that was a NOOP. DAG size: 1080 [2019-10-07 14:57:20,833 WARN L191 SmtUtils]: Spent 742.00 ms on a formula simplification that was a NOOP. DAG size: 1080 [2019-10-07 14:57:20,989 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 460 [2019-10-07 14:57:21,736 WARN L191 SmtUtils]: Spent 745.00 ms on a formula simplification that was a NOOP. DAG size: 1080 [2019-10-07 14:57:23,145 WARN L191 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 1082 DAG size of output: 1080 [2019-10-07 14:57:23,871 WARN L191 SmtUtils]: Spent 721.00 ms on a formula simplification that was a NOOP. DAG size: 1080 [2019-10-07 14:57:24,015 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 460 [2019-10-07 14:57:24,744 WARN L191 SmtUtils]: Spent 727.00 ms on a formula simplification that was a NOOP. DAG size: 1080 [2019-10-07 14:57:25,423 WARN L191 SmtUtils]: Spent 675.00 ms on a formula simplification that was a NOOP. DAG size: 1080 [2019-10-07 14:57:26,134 WARN L191 SmtUtils]: Spent 707.00 ms on a formula simplification that was a NOOP. DAG size: 1080 [2019-10-07 14:57:26,271 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 460 [2019-10-07 14:57:26,961 WARN L191 SmtUtils]: Spent 688.00 ms on a formula simplification that was a NOOP. DAG size: 1080 [2019-10-07 14:57:26,995 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 580 for LOIs [2019-10-07 14:57:27,135 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 580 [2019-10-07 14:57:27,544 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 686 [2019-10-07 14:57:27,695 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 686 [2019-10-07 14:57:27,823 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 460 [2019-10-07 14:57:28,369 WARN L191 SmtUtils]: Spent 543.00 ms on a formula simplification that was a NOOP. DAG size: 991 [2019-10-07 14:57:28,371 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1127 for LOIs [2019-10-07 14:57:29,068 WARN L191 SmtUtils]: Spent 696.00 ms on a formula simplification that was a NOOP. DAG size: 1127 [2019-10-07 14:57:29,741 WARN L191 SmtUtils]: Spent 669.00 ms on a formula simplification that was a NOOP. DAG size: 1127 [2019-10-07 14:57:29,983 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 605 [2019-10-07 14:57:30,987 WARN L191 SmtUtils]: Spent 1.00 s on a formula simplification that was a NOOP. DAG size: 1272 [2019-10-07 14:57:31,697 WARN L191 SmtUtils]: Spent 697.00 ms on a formula simplification that was a NOOP. DAG size: 1127 [2019-10-07 14:57:32,375 WARN L191 SmtUtils]: Spent 674.00 ms on a formula simplification that was a NOOP. DAG size: 1127 [2019-10-07 14:57:32,605 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 605 [2019-10-07 14:57:33,625 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 1272 [2019-10-07 14:57:34,408 WARN L191 SmtUtils]: Spent 751.00 ms on a formula simplification that was a NOOP. DAG size: 1127 [2019-10-07 14:57:35,090 WARN L191 SmtUtils]: Spent 678.00 ms on a formula simplification that was a NOOP. DAG size: 1127 [2019-10-07 14:57:35,420 WARN L191 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 605 [2019-10-07 14:57:36,381 WARN L191 SmtUtils]: Spent 959.00 ms on a formula simplification that was a NOOP. DAG size: 1272 [2019-10-07 14:57:37,577 WARN L191 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 1274 DAG size of output: 1127 [2019-10-07 14:57:38,265 WARN L191 SmtUtils]: Spent 684.00 ms on a formula simplification that was a NOOP. DAG size: 1127 [2019-10-07 14:57:38,704 WARN L191 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 607 DAG size of output: 605 [2019-10-07 14:57:39,694 WARN L191 SmtUtils]: Spent 988.00 ms on a formula simplification that was a NOOP. DAG size: 1272 [2019-10-07 14:57:40,399 WARN L191 SmtUtils]: Spent 688.00 ms on a formula simplification that was a NOOP. DAG size: 1127 [2019-10-07 14:57:41,074 WARN L191 SmtUtils]: Spent 671.00 ms on a formula simplification that was a NOOP. DAG size: 1127 [2019-10-07 14:57:41,293 WARN L191 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 605 [2019-10-07 14:57:42,269 WARN L191 SmtUtils]: Spent 973.00 ms on a formula simplification that was a NOOP. DAG size: 1272 [2019-10-07 14:57:42,941 WARN L191 SmtUtils]: Spent 669.00 ms on a formula simplification that was a NOOP. DAG size: 1127 [2019-10-07 14:57:43,645 WARN L191 SmtUtils]: Spent 701.00 ms on a formula simplification that was a NOOP. DAG size: 1127 [2019-10-07 14:57:43,894 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 605 [2019-10-07 14:57:44,861 WARN L191 SmtUtils]: Spent 964.00 ms on a formula simplification that was a NOOP. DAG size: 1272 [2019-10-07 14:57:45,537 WARN L191 SmtUtils]: Spent 672.00 ms on a formula simplification that was a NOOP. DAG size: 1127 [2019-10-07 14:57:46,210 WARN L191 SmtUtils]: Spent 669.00 ms on a formula simplification that was a NOOP. DAG size: 1127 [2019-10-07 14:57:46,432 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 605 [2019-10-07 14:57:47,402 WARN L191 SmtUtils]: Spent 968.00 ms on a formula simplification that was a NOOP. DAG size: 1272 [2019-10-07 14:57:48,075 WARN L191 SmtUtils]: Spent 669.00 ms on a formula simplification that was a NOOP. DAG size: 1127 [2019-10-07 14:57:48,771 WARN L191 SmtUtils]: Spent 692.00 ms on a formula simplification that was a NOOP. DAG size: 1127 [2019-10-07 14:57:48,991 WARN L191 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 605 [2019-10-07 14:57:49,953 WARN L191 SmtUtils]: Spent 959.00 ms on a formula simplification that was a NOOP. DAG size: 1272 [2019-10-07 14:57:50,625 WARN L191 SmtUtils]: Spent 670.00 ms on a formula simplification that was a NOOP. DAG size: 1127 [2019-10-07 14:57:51,291 WARN L191 SmtUtils]: Spent 662.00 ms on a formula simplification that was a NOOP. DAG size: 1127 [2019-10-07 14:57:51,508 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 605 [2019-10-07 14:57:52,474 WARN L191 SmtUtils]: Spent 964.00 ms on a formula simplification that was a NOOP. DAG size: 1272 [2019-10-07 14:57:53,141 WARN L191 SmtUtils]: Spent 664.00 ms on a formula simplification that was a NOOP. DAG size: 1127 [2019-10-07 14:57:53,822 WARN L191 SmtUtils]: Spent 677.00 ms on a formula simplification that was a NOOP. DAG size: 1127 [2019-10-07 14:57:54,044 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 605 [2019-10-07 14:57:55,001 WARN L191 SmtUtils]: Spent 954.00 ms on a formula simplification that was a NOOP. DAG size: 1272 [2019-10-07 14:57:55,671 WARN L191 SmtUtils]: Spent 667.00 ms on a formula simplification that was a NOOP. DAG size: 1127 [2019-10-07 14:57:56,344 WARN L191 SmtUtils]: Spent 670.00 ms on a formula simplification that was a NOOP. DAG size: 1127 [2019-10-07 14:57:56,563 WARN L191 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 605 [2019-10-07 14:57:57,529 WARN L191 SmtUtils]: Spent 963.00 ms on a formula simplification that was a NOOP. DAG size: 1272 [2019-10-07 14:57:58,185 WARN L191 SmtUtils]: Spent 653.00 ms on a formula simplification that was a NOOP. DAG size: 1127 [2019-10-07 14:57:58,836 WARN L191 SmtUtils]: Spent 648.00 ms on a formula simplification that was a NOOP. DAG size: 1127 [2019-10-07 14:57:59,070 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 605 [2019-10-07 14:58:00,025 WARN L191 SmtUtils]: Spent 953.00 ms on a formula simplification that was a NOOP. DAG size: 1272 [2019-10-07 14:58:00,691 WARN L191 SmtUtils]: Spent 663.00 ms on a formula simplification that was a NOOP. DAG size: 1127 [2019-10-07 14:58:01,353 WARN L191 SmtUtils]: Spent 657.00 ms on a formula simplification that was a NOOP. DAG size: 1127 [2019-10-07 14:58:01,570 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 605 [2019-10-07 14:58:02,523 WARN L191 SmtUtils]: Spent 951.00 ms on a formula simplification that was a NOOP. DAG size: 1272 [2019-10-07 14:58:03,678 WARN L191 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 1272 [2019-10-07 14:58:04,641 WARN L191 SmtUtils]: Spent 959.00 ms on a formula simplification that was a NOOP. DAG size: 1272 [2019-10-07 14:58:04,879 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 605 [2019-10-07 14:58:05,830 WARN L191 SmtUtils]: Spent 949.00 ms on a formula simplification that was a NOOP. DAG size: 1272 [2019-10-07 14:58:07,599 WARN L191 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 1274 DAG size of output: 1272 [2019-10-07 14:58:08,535 WARN L191 SmtUtils]: Spent 932.00 ms on a formula simplification that was a NOOP. DAG size: 1272 [2019-10-07 14:58:08,764 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 605 [2019-10-07 14:58:09,725 WARN L191 SmtUtils]: Spent 959.00 ms on a formula simplification that was a NOOP. DAG size: 1272 [2019-10-07 14:58:10,675 WARN L191 SmtUtils]: Spent 947.00 ms on a formula simplification that was a NOOP. DAG size: 1272 [2019-10-07 14:58:11,630 WARN L191 SmtUtils]: Spent 951.00 ms on a formula simplification that was a NOOP. DAG size: 1272 [2019-10-07 14:58:11,849 WARN L191 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 605 [2019-10-07 14:58:12,795 WARN L191 SmtUtils]: Spent 943.00 ms on a formula simplification that was a NOOP. DAG size: 1272 [2019-10-07 14:58:13,815 WARN L191 SmtUtils]: Spent 977.00 ms on a formula simplification that was a NOOP. DAG size: 1274 [2019-10-07 14:58:14,778 WARN L191 SmtUtils]: Spent 959.00 ms on a formula simplification that was a NOOP. DAG size: 1274 [2019-10-07 14:58:15,000 WARN L191 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 608 [2019-10-07 14:58:15,959 WARN L191 SmtUtils]: Spent 957.00 ms on a formula simplification that was a NOOP. DAG size: 1276 [2019-10-07 14:58:17,662 WARN L191 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 1278 DAG size of output: 1274 [2019-10-07 14:58:18,637 WARN L191 SmtUtils]: Spent 970.00 ms on a formula simplification that was a NOOP. DAG size: 1274 [2019-10-07 14:58:18,863 WARN L191 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 608 [2019-10-07 14:58:19,825 WARN L191 SmtUtils]: Spent 960.00 ms on a formula simplification that was a NOOP. DAG size: 1276 [2019-10-07 14:58:20,791 WARN L191 SmtUtils]: Spent 962.00 ms on a formula simplification that was a NOOP. DAG size: 1274 [2019-10-07 14:58:21,748 WARN L191 SmtUtils]: Spent 954.00 ms on a formula simplification that was a NOOP. DAG size: 1274 [2019-10-07 14:58:21,972 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 608 [2019-10-07 14:58:22,939 WARN L191 SmtUtils]: Spent 965.00 ms on a formula simplification that was a NOOP. DAG size: 1276 [2019-10-07 14:58:23,902 WARN L191 SmtUtils]: Spent 956.00 ms on a formula simplification that was a NOOP. DAG size: 1274 [2019-10-07 14:58:24,863 WARN L191 SmtUtils]: Spent 957.00 ms on a formula simplification that was a NOOP. DAG size: 1274 [2019-10-07 14:58:25,090 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 608 [2019-10-07 14:58:26,044 WARN L191 SmtUtils]: Spent 951.00 ms on a formula simplification that was a NOOP. DAG size: 1276 [2019-10-07 14:58:26,995 WARN L191 SmtUtils]: Spent 947.00 ms on a formula simplification that was a NOOP. DAG size: 1276 [2019-10-07 14:58:27,942 WARN L191 SmtUtils]: Spent 943.00 ms on a formula simplification that was a NOOP. DAG size: 1276 [2019-10-07 14:58:28,177 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 608 [2019-10-07 14:58:29,137 WARN L191 SmtUtils]: Spent 958.00 ms on a formula simplification that was a NOOP. DAG size: 1278 [2019-10-07 14:58:31,262 WARN L191 SmtUtils]: Spent 2.07 s on a formula simplification. DAG size of input: 1274 DAG size of output: 1272 [2019-10-07 14:58:32,219 WARN L191 SmtUtils]: Spent 954.00 ms on a formula simplification that was a NOOP. DAG size: 1272 [2019-10-07 14:58:32,460 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 605 [2019-10-07 14:58:33,429 WARN L191 SmtUtils]: Spent 966.00 ms on a formula simplification that was a NOOP. DAG size: 1272 [2019-10-07 14:58:35,227 WARN L191 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 1274 DAG size of output: 1272 [2019-10-07 14:58:36,188 WARN L191 SmtUtils]: Spent 957.00 ms on a formula simplification that was a NOOP. DAG size: 1272 [2019-10-07 14:58:36,428 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 605 [2019-10-07 14:58:37,380 WARN L191 SmtUtils]: Spent 950.00 ms on a formula simplification that was a NOOP. DAG size: 1272 [2019-10-07 14:58:38,331 WARN L191 SmtUtils]: Spent 948.00 ms on a formula simplification that was a NOOP. DAG size: 1272 [2019-10-07 14:58:39,290 WARN L191 SmtUtils]: Spent 955.00 ms on a formula simplification that was a NOOP. DAG size: 1272 [2019-10-07 14:58:39,506 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 605 [2019-10-07 14:58:40,461 WARN L191 SmtUtils]: Spent 953.00 ms on a formula simplification that was a NOOP. DAG size: 1272 [2019-10-07 14:58:42,212 WARN L191 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 1274 DAG size of output: 1272 [2019-10-07 14:58:43,164 WARN L191 SmtUtils]: Spent 948.00 ms on a formula simplification that was a NOOP. DAG size: 1272 [2019-10-07 14:58:43,401 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 605 [2019-10-07 14:58:44,359 WARN L191 SmtUtils]: Spent 956.00 ms on a formula simplification that was a NOOP. DAG size: 1272 [2019-10-07 14:58:46,120 WARN L191 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 1274 DAG size of output: 1272 [2019-10-07 14:58:47,080 WARN L191 SmtUtils]: Spent 955.00 ms on a formula simplification that was a NOOP. DAG size: 1272 [2019-10-07 14:58:47,305 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 605 [2019-10-07 14:58:48,267 WARN L191 SmtUtils]: Spent 959.00 ms on a formula simplification that was a NOOP. DAG size: 1272 [2019-10-07 14:58:49,225 WARN L191 SmtUtils]: Spent 955.00 ms on a formula simplification that was a NOOP. DAG size: 1272 [2019-10-07 14:58:50,208 WARN L191 SmtUtils]: Spent 979.00 ms on a formula simplification that was a NOOP. DAG size: 1272 [2019-10-07 14:58:50,426 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 605 [2019-10-07 14:58:51,396 WARN L191 SmtUtils]: Spent 967.00 ms on a formula simplification that was a NOOP. DAG size: 1272 [2019-10-07 14:58:52,397 WARN L191 SmtUtils]: Spent 972.00 ms on a formula simplification that was a NOOP. DAG size: 1276 [2019-10-07 14:58:53,365 WARN L191 SmtUtils]: Spent 964.00 ms on a formula simplification that was a NOOP. DAG size: 1276 [2019-10-07 14:58:53,596 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 608 [2019-10-07 14:58:54,562 WARN L191 SmtUtils]: Spent 964.00 ms on a formula simplification that was a NOOP. DAG size: 1276 [2019-10-07 14:58:55,563 WARN L191 SmtUtils]: Spent 987.00 ms on a formula simplification that was a NOOP. DAG size: 1276 [2019-10-07 14:58:56,538 WARN L191 SmtUtils]: Spent 970.00 ms on a formula simplification that was a NOOP. DAG size: 1276 [2019-10-07 14:58:56,764 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 608 [2019-10-07 14:58:57,731 WARN L191 SmtUtils]: Spent 965.00 ms on a formula simplification that was a NOOP. DAG size: 1276 [2019-10-07 14:58:58,692 WARN L191 SmtUtils]: Spent 956.00 ms on a formula simplification that was a NOOP. DAG size: 1276 [2019-10-07 14:58:59,656 WARN L191 SmtUtils]: Spent 960.00 ms on a formula simplification that was a NOOP. DAG size: 1276 [2019-10-07 14:58:59,879 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 608 [2019-10-07 14:59:00,855 WARN L191 SmtUtils]: Spent 973.00 ms on a formula simplification that was a NOOP. DAG size: 1276 [2019-10-07 14:59:02,511 WARN L191 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 1283 DAG size of output: 1276 [2019-10-07 14:59:03,475 WARN L191 SmtUtils]: Spent 960.00 ms on a formula simplification that was a NOOP. DAG size: 1276 [2019-10-07 14:59:03,731 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 608 [2019-10-07 14:59:04,690 WARN L191 SmtUtils]: Spent 957.00 ms on a formula simplification that was a NOOP. DAG size: 1276 [2019-10-07 14:59:06,337 WARN L191 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 1285 DAG size of output: 1278 [2019-10-07 14:59:07,312 WARN L191 SmtUtils]: Spent 971.00 ms on a formula simplification that was a NOOP. DAG size: 1278 [2019-10-07 14:59:07,541 WARN L191 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 608 [2019-10-07 14:59:08,497 WARN L191 SmtUtils]: Spent 954.00 ms on a formula simplification that was a NOOP. DAG size: 1278 [2019-10-07 14:59:08,770 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 14:59:08,771 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 14:59:08,778 INFO L168 Benchmark]: Toolchain (without parser) took 233327.61 ms. Allocated memory was 144.7 MB in the beginning and 653.8 MB in the end (delta: 509.1 MB). Free memory was 98.7 MB in the beginning and 417.4 MB in the end (delta: -318.7 MB). Peak memory consumption was 190.4 MB. Max. memory is 7.1 GB. [2019-10-07 14:59:08,781 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 144.7 MB. Free memory was 119.8 MB in the beginning and 119.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-07 14:59:08,782 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1271.49 ms. Allocated memory was 144.7 MB in the beginning and 203.4 MB in the end (delta: 58.7 MB). Free memory was 98.5 MB in the beginning and 130.7 MB in the end (delta: -32.2 MB). Peak memory consumption was 34.5 MB. Max. memory is 7.1 GB. [2019-10-07 14:59:08,782 INFO L168 Benchmark]: Boogie Preprocessor took 208.40 ms. Allocated memory is still 203.4 MB. Free memory was 130.7 MB in the beginning and 120.8 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2019-10-07 14:59:08,783 INFO L168 Benchmark]: RCFGBuilder took 5373.90 ms. Allocated memory was 203.4 MB in the beginning and 300.4 MB in the end (delta: 97.0 MB). Free memory was 120.8 MB in the beginning and 78.8 MB in the end (delta: 42.0 MB). Peak memory consumption was 139.0 MB. Max. memory is 7.1 GB. [2019-10-07 14:59:08,786 INFO L168 Benchmark]: TraceAbstraction took 226401.95 ms. Allocated memory was 301.5 MB in the beginning and 653.8 MB in the end (delta: 352.3 MB). Free memory was 251.7 MB in the beginning and 417.4 MB in the end (delta: -165.7 MB). Peak memory consumption was 186.6 MB. Max. memory is 7.1 GB. [2019-10-07 14:59:08,796 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 144.7 MB. Free memory was 119.8 MB in the beginning and 119.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1271.49 ms. Allocated memory was 144.7 MB in the beginning and 203.4 MB in the end (delta: 58.7 MB). Free memory was 98.5 MB in the beginning and 130.7 MB in the end (delta: -32.2 MB). Peak memory consumption was 34.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 208.40 ms. Allocated memory is still 203.4 MB. Free memory was 130.7 MB in the beginning and 120.8 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 5373.90 ms. Allocated memory was 203.4 MB in the beginning and 300.4 MB in the end (delta: 97.0 MB). Free memory was 120.8 MB in the beginning and 78.8 MB in the end (delta: 42.0 MB). Peak memory consumption was 139.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 226401.95 ms. Allocated memory was 301.5 MB in the beginning and 653.8 MB in the end (delta: 352.3 MB). Free memory was 251.7 MB in the beginning and 417.4 MB in the end (delta: -165.7 MB). Peak memory consumption was 186.6 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...