java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/email_spec11_product30.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 14:43:20,172 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 14:43:20,175 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 14:43:20,187 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 14:43:20,188 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 14:43:20,189 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 14:43:20,190 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 14:43:20,192 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 14:43:20,193 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 14:43:20,194 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 14:43:20,195 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 14:43:20,201 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 14:43:20,201 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 14:43:20,204 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 14:43:20,206 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 14:43:20,208 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 14:43:20,209 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 14:43:20,210 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 14:43:20,215 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 14:43:20,216 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 14:43:20,220 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 14:43:20,222 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 14:43:20,223 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 14:43:20,223 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 14:43:20,227 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 14:43:20,228 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 14:43:20,228 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 14:43:20,229 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 14:43:20,231 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 14:43:20,233 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 14:43:20,234 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 14:43:20,235 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 14:43:20,236 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 14:43:20,237 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 14:43:20,241 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 14:43:20,242 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 14:43:20,242 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 14:43:20,243 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 14:43:20,243 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 14:43:20,244 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 14:43:20,248 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 14:43:20,249 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-07 14:43:20,268 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 14:43:20,269 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 14:43:20,270 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 14:43:20,270 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 14:43:20,270 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 14:43:20,271 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 14:43:20,271 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 14:43:20,271 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 14:43:20,271 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 14:43:20,271 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 14:43:20,272 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 14:43:20,272 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 14:43:20,272 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 14:43:20,272 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 14:43:20,272 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 14:43:20,272 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 14:43:20,273 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 14:43:20,273 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 14:43:20,273 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 14:43:20,273 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 14:43:20,274 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 14:43:20,274 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 14:43:20,274 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 14:43:20,274 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 14:43:20,274 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 14:43:20,275 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 14:43:20,275 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 14:43:20,275 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 14:43:20,275 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-07 14:43:20,634 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 14:43:20,651 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 14:43:20,655 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 14:43:20,657 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 14:43:20,657 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 14:43:20,658 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec11_product30.cil.c [2019-10-07 14:43:20,724 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0ff149b2/308fdd39514f4eb6a32a8718200eadb5/FLAG2c1ab4735 [2019-10-07 14:43:21,360 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 14:43:21,361 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec11_product30.cil.c [2019-10-07 14:43:21,388 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0ff149b2/308fdd39514f4eb6a32a8718200eadb5/FLAG2c1ab4735 [2019-10-07 14:43:21,601 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0ff149b2/308fdd39514f4eb6a32a8718200eadb5 [2019-10-07 14:43:21,612 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 14:43:21,614 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 14:43:21,615 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 14:43:21,615 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 14:43:21,618 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 14:43:21,619 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:43:21" (1/1) ... [2019-10-07 14:43:21,621 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15fb5a7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:43:21, skipping insertion in model container [2019-10-07 14:43:21,622 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:43:21" (1/1) ... [2019-10-07 14:43:21,629 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 14:43:21,703 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 14:43:22,471 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:43:22,493 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 14:43:22,666 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:43:22,760 INFO L192 MainTranslator]: Completed translation [2019-10-07 14:43:22,761 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:43:22 WrapperNode [2019-10-07 14:43:22,761 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 14:43:22,762 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 14:43:22,762 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 14:43:22,762 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 14:43:22,777 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:43:22" (1/1) ... [2019-10-07 14:43:22,778 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:43:22" (1/1) ... [2019-10-07 14:43:22,824 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:43:22" (1/1) ... [2019-10-07 14:43:22,829 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:43:22" (1/1) ... [2019-10-07 14:43:22,897 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:43:22" (1/1) ... [2019-10-07 14:43:22,927 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:43:22" (1/1) ... [2019-10-07 14:43:22,939 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:43:22" (1/1) ... [2019-10-07 14:43:22,958 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 14:43:22,959 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 14:43:22,959 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 14:43:22,959 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 14:43:22,960 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:43:22" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 14:43:23,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 14:43:23,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 14:43:23,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 14:43:23,065 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-07 14:43:23,065 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-07 14:43:23,065 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-10-07 14:43:23,066 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-07 14:43:23,066 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-07 14:43:23,066 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2019-10-07 14:43:23,066 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-07 14:43:23,067 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-10-07 14:43:23,067 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-07 14:43:23,067 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-07 14:43:23,067 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-07 14:43:23,067 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-07 14:43:23,068 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-07 14:43:23,068 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-07 14:43:23,068 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-07 14:43:23,068 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-07 14:43:23,069 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-07 14:43:23,069 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-07 14:43:23,069 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-07 14:43:23,070 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-07 14:43:23,070 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 14:43:23,070 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-07 14:43:23,070 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptAutoResponder_spec__1 [2019-10-07 14:43:23,070 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-07 14:43:23,071 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-07 14:43:23,071 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-07 14:43:23,071 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-07 14:43:23,071 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-07 14:43:23,072 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-07 14:43:23,072 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-07 14:43:23,072 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-07 14:43:23,072 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-07 14:43:23,073 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-07 14:43:23,073 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-07 14:43:23,073 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-07 14:43:23,073 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-07 14:43:23,074 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-07 14:43:23,074 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-07 14:43:23,074 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-07 14:43:23,074 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-07 14:43:23,075 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-07 14:43:23,075 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-07 14:43:23,075 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-07 14:43:23,075 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-07 14:43:23,076 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-07 14:43:23,076 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AutoResponder [2019-10-07 14:43:23,076 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2019-10-07 14:43:23,076 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-07 14:43:23,077 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-07 14:43:23,077 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-07 14:43:23,077 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-07 14:43:23,077 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-07 14:43:23,077 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 14:43:23,078 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 14:43:23,078 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 14:43:23,078 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 14:43:23,078 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-07 14:43:23,078 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-07 14:43:23,078 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-07 14:43:23,079 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-07 14:43:23,079 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-07 14:43:23,079 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-07 14:43:23,079 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-07 14:43:23,079 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-07 14:43:23,079 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 14:43:23,080 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 14:43:23,080 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-07 14:43:23,080 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-07 14:43:23,080 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-07 14:43:23,080 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-07 14:43:23,080 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-07 14:43:23,081 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-07 14:43:23,081 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-07 14:43:23,081 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-07 14:43:23,081 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-07 14:43:23,081 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-07 14:43:23,081 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 14:43:23,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 14:43:23,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 14:43:23,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 14:43:23,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 14:43:23,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 14:43:23,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 14:43:23,083 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-07 14:43:23,083 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-07 14:43:23,083 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-07 14:43:23,083 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-07 14:43:23,083 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-07 14:43:23,083 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-07 14:43:23,083 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-07 14:43:23,084 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-07 14:43:23,084 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-07 14:43:23,084 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-07 14:43:23,084 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-07 14:43:23,084 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-07 14:43:23,085 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-07 14:43:23,085 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-07 14:43:23,085 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-07 14:43:23,085 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-07 14:43:23,085 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-07 14:43:23,085 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-07 14:43:23,085 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-07 14:43:23,086 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-07 14:43:23,086 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-07 14:43:23,086 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-07 14:43:23,086 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-07 14:43:23,086 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-07 14:43:23,086 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-07 14:43:23,087 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-07 14:43:23,087 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-07 14:43:23,087 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-07 14:43:23,087 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-07 14:43:23,087 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 14:43:23,087 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 14:43:23,088 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 14:43:23,088 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-07 14:43:23,088 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-07 14:43:23,088 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-07 14:43:23,088 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-07 14:43:23,088 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-07 14:43:23,089 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-07 14:43:23,089 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-07 14:43:23,089 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-07 14:43:23,089 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-07 14:43:23,089 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-07 14:43:23,089 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-07 14:43:23,089 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-07 14:43:23,090 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-07 14:43:23,090 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-07 14:43:23,090 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-07 14:43:23,090 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-07 14:43:23,090 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-07 14:43:23,091 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-07 14:43:23,091 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-07 14:43:23,091 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-07 14:43:23,091 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-07 14:43:23,092 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-07 14:43:23,093 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-07 14:43:23,093 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-07 14:43:23,093 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-07 14:43:23,093 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-07 14:43:23,103 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-07 14:43:23,103 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-07 14:43:23,103 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-07 14:43:23,103 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-07 14:43:23,104 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-07 14:43:23,104 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-07 14:43:23,104 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-07 14:43:23,104 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-07 14:43:23,104 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-07 14:43:23,104 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-07 14:43:23,105 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-07 14:43:23,105 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 14:43:23,105 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-07 14:43:23,105 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-10-07 14:43:23,106 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2019-10-07 14:43:23,106 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-07 14:43:23,106 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-10-07 14:43:23,107 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptAutoResponder_spec__1 [2019-10-07 14:43:23,107 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-07 14:43:23,107 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-07 14:43:23,107 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-07 14:43:23,107 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-07 14:43:23,107 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-07 14:43:23,108 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-07 14:43:23,108 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-07 14:43:23,108 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-07 14:43:23,108 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-07 14:43:23,108 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 14:43:23,108 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-07 14:43:23,108 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 14:43:23,108 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-07 14:43:23,109 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-07 14:43:23,109 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-07 14:43:23,109 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-07 14:43:23,109 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-07 14:43:23,109 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-07 14:43:23,109 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-07 14:43:23,109 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-07 14:43:23,110 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-07 14:43:23,110 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-07 14:43:23,110 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-07 14:43:23,110 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AutoResponder [2019-10-07 14:43:23,110 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2019-10-07 14:43:23,110 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-07 14:43:23,110 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 14:43:23,111 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 14:43:23,111 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 14:43:23,111 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 14:43:23,111 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-07 14:43:23,111 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-07 14:43:23,112 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-07 14:43:23,112 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-07 14:43:23,112 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-07 14:43:23,112 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-07 14:43:23,112 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-07 14:43:23,113 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-07 14:43:23,113 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-07 14:43:23,113 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-07 14:43:23,113 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-07 14:43:23,113 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 14:43:23,114 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 14:43:23,114 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-07 14:43:23,114 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-07 14:43:23,114 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-07 14:43:23,114 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-07 14:43:23,117 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-07 14:43:23,117 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 14:43:23,117 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 14:43:23,117 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 14:43:23,117 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 14:43:23,117 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 14:43:23,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 14:43:23,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 14:43:23,118 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 14:43:23,118 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 14:43:23,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 14:43:23,118 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 14:43:23,118 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 14:43:23,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 14:43:23,119 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 14:43:23,119 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 14:43:23,119 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 14:43:23,119 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-07 14:43:23,119 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-07 14:43:23,119 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-07 14:43:23,119 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-07 14:43:23,120 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-07 14:43:23,120 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-07 14:43:23,120 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-07 14:43:23,120 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-07 14:43:23,120 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-07 14:43:23,120 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-07 14:43:23,120 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-07 14:43:23,121 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-07 14:43:23,121 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-07 14:43:23,121 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-07 14:43:23,121 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-07 14:43:23,121 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-07 14:43:23,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 14:43:23,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 14:43:23,122 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 14:43:28,191 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 14:43:28,192 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-07 14:43:28,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:43:28 BoogieIcfgContainer [2019-10-07 14:43:28,196 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 14:43:28,198 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 14:43:28,198 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 14:43:28,202 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 14:43:28,202 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 02:43:21" (1/3) ... [2019-10-07 14:43:28,203 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dfa7d27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:43:28, skipping insertion in model container [2019-10-07 14:43:28,204 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:43:22" (2/3) ... [2019-10-07 14:43:28,204 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dfa7d27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:43:28, skipping insertion in model container [2019-10-07 14:43:28,205 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:43:28" (3/3) ... [2019-10-07 14:43:28,207 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec11_product30.cil.c [2019-10-07 14:43:28,220 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 14:43:28,233 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 14:43:28,246 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 14:43:28,290 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 14:43:28,294 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 14:43:28,294 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 14:43:28,294 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 14:43:28,295 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 14:43:28,295 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 14:43:28,295 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 14:43:28,295 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 14:43:28,336 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states. [2019-10-07 14:43:28,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2019-10-07 14:43:28,373 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:43:28,377 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 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] [2019-10-07 14:43:28,381 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:43:28,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:43:28,390 INFO L82 PathProgramCache]: Analyzing trace with hash -1754397526, now seen corresponding path program 1 times [2019-10-07 14:43:28,401 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:43:28,402 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:43:28,402 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:43:28,403 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:43:28,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:43:28,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:43:29,167 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-10-07 14:43:29,168 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:43:29,168 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:43:29,169 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 14:43:29,173 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 14:43:29,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 14:43:29,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 14:43:29,191 INFO L87 Difference]: Start difference. First operand 396 states. Second operand 2 states. [2019-10-07 14:43:29,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:43:29,267 INFO L93 Difference]: Finished difference Result 558 states and 662 transitions. [2019-10-07 14:43:29,267 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 14:43:29,269 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 174 [2019-10-07 14:43:29,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:43:29,304 INFO L225 Difference]: With dead ends: 558 [2019-10-07 14:43:29,304 INFO L226 Difference]: Without dead ends: 354 [2019-10-07 14:43:29,311 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 14:43:29,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2019-10-07 14:43:29,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 354. [2019-10-07 14:43:29,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 354 states. [2019-10-07 14:43:29,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 417 transitions. [2019-10-07 14:43:29,442 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 417 transitions. Word has length 174 [2019-10-07 14:43:29,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:43:29,446 INFO L462 AbstractCegarLoop]: Abstraction has 354 states and 417 transitions. [2019-10-07 14:43:29,446 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 14:43:29,447 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 417 transitions. [2019-10-07 14:43:29,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2019-10-07 14:43:29,458 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:43:29,462 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 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 14:43:29,462 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:43:29,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:43:29,463 INFO L82 PathProgramCache]: Analyzing trace with hash -885264877, now seen corresponding path program 1 times [2019-10-07 14:43:29,463 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:43:29,463 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:43:29,464 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:43:29,464 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:43:29,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:43:29,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:43:29,795 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-10-07 14:43:29,795 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:43:29,795 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:43:29,796 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:43:29,798 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:43:29,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:43:29,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:43:29,799 INFO L87 Difference]: Start difference. First operand 354 states and 417 transitions. Second operand 3 states. [2019-10-07 14:43:29,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:43:29,840 INFO L93 Difference]: Finished difference Result 543 states and 629 transitions. [2019-10-07 14:43:29,840 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:43:29,840 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 175 [2019-10-07 14:43:29,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:43:29,845 INFO L225 Difference]: With dead ends: 543 [2019-10-07 14:43:29,845 INFO L226 Difference]: Without dead ends: 356 [2019-10-07 14:43:29,847 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:43:29,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2019-10-07 14:43:29,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 356. [2019-10-07 14:43:29,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 356 states. [2019-10-07 14:43:29,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 419 transitions. [2019-10-07 14:43:29,876 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 419 transitions. Word has length 175 [2019-10-07 14:43:29,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:43:29,877 INFO L462 AbstractCegarLoop]: Abstraction has 356 states and 419 transitions. [2019-10-07 14:43:29,877 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:43:29,877 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 419 transitions. [2019-10-07 14:43:29,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2019-10-07 14:43:29,883 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:43:29,883 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 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 14:43:29,884 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:43:29,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:43:29,884 INFO L82 PathProgramCache]: Analyzing trace with hash 1310280288, now seen corresponding path program 1 times [2019-10-07 14:43:29,884 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:43:29,885 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:43:29,885 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:43:29,885 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:43:29,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:43:29,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:43:30,180 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-10-07 14:43:30,181 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:43:30,181 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:43:30,181 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:43:30,182 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:43:30,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:43:30,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:43:30,183 INFO L87 Difference]: Start difference. First operand 356 states and 419 transitions. Second operand 3 states. [2019-10-07 14:43:30,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:43:30,230 INFO L93 Difference]: Finished difference Result 694 states and 845 transitions. [2019-10-07 14:43:30,230 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:43:30,230 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 184 [2019-10-07 14:43:30,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:43:30,235 INFO L225 Difference]: With dead ends: 694 [2019-10-07 14:43:30,235 INFO L226 Difference]: Without dead ends: 396 [2019-10-07 14:43:30,237 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:43:30,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2019-10-07 14:43:30,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 395. [2019-10-07 14:43:30,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 395 states. [2019-10-07 14:43:30,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 487 transitions. [2019-10-07 14:43:30,279 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 487 transitions. Word has length 184 [2019-10-07 14:43:30,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:43:30,280 INFO L462 AbstractCegarLoop]: Abstraction has 395 states and 487 transitions. [2019-10-07 14:43:30,280 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:43:30,281 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 487 transitions. [2019-10-07 14:43:30,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2019-10-07 14:43:30,288 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:43:30,288 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 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, 1] [2019-10-07 14:43:30,288 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:43:30,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:43:30,289 INFO L82 PathProgramCache]: Analyzing trace with hash 1908063291, now seen corresponding path program 1 times [2019-10-07 14:43:30,289 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:43:30,290 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:43:30,292 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:43:30,292 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:43:30,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:43:30,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:43:30,480 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-10-07 14:43:30,481 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:43:30,481 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:43:30,482 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:43:30,483 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:43:30,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:43:30,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:43:30,485 INFO L87 Difference]: Start difference. First operand 395 states and 487 transitions. Second operand 3 states. [2019-10-07 14:43:30,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:43:30,546 INFO L93 Difference]: Finished difference Result 808 states and 1044 transitions. [2019-10-07 14:43:30,547 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:43:30,547 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 185 [2019-10-07 14:43:30,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:43:30,557 INFO L225 Difference]: With dead ends: 808 [2019-10-07 14:43:30,558 INFO L226 Difference]: Without dead ends: 471 [2019-10-07 14:43:30,560 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:43:30,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2019-10-07 14:43:30,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 470. [2019-10-07 14:43:30,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 470 states. [2019-10-07 14:43:30,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 470 states and 617 transitions. [2019-10-07 14:43:30,604 INFO L78 Accepts]: Start accepts. Automaton has 470 states and 617 transitions. Word has length 185 [2019-10-07 14:43:30,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:43:30,604 INFO L462 AbstractCegarLoop]: Abstraction has 470 states and 617 transitions. [2019-10-07 14:43:30,604 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:43:30,605 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 617 transitions. [2019-10-07 14:43:30,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2019-10-07 14:43:30,612 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:43:30,613 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 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, 1, 1] [2019-10-07 14:43:30,613 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:43:30,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:43:30,614 INFO L82 PathProgramCache]: Analyzing trace with hash -818260960, now seen corresponding path program 1 times [2019-10-07 14:43:30,614 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:43:30,614 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:43:30,615 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:43:30,615 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:43:30,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:43:30,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:43:30,861 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-10-07 14:43:30,861 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:43:30,862 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:43:30,862 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:43:30,863 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:43:30,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:43:30,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:43:30,864 INFO L87 Difference]: Start difference. First operand 470 states and 617 transitions. Second operand 3 states. [2019-10-07 14:43:30,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:43:30,901 INFO L93 Difference]: Finished difference Result 1027 states and 1424 transitions. [2019-10-07 14:43:30,901 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:43:30,901 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 186 [2019-10-07 14:43:30,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:43:30,907 INFO L225 Difference]: With dead ends: 1027 [2019-10-07 14:43:30,907 INFO L226 Difference]: Without dead ends: 615 [2019-10-07 14:43:30,910 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:43:30,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 615 states. [2019-10-07 14:43:30,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 615 to 614. [2019-10-07 14:43:30,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 614 states. [2019-10-07 14:43:30,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 614 states and 865 transitions. [2019-10-07 14:43:30,952 INFO L78 Accepts]: Start accepts. Automaton has 614 states and 865 transitions. Word has length 186 [2019-10-07 14:43:30,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:43:30,953 INFO L462 AbstractCegarLoop]: Abstraction has 614 states and 865 transitions. [2019-10-07 14:43:30,953 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:43:30,953 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 865 transitions. [2019-10-07 14:43:30,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2019-10-07 14:43:30,958 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:43:30,958 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1] [2019-10-07 14:43:30,959 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:43:30,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:43:30,959 INFO L82 PathProgramCache]: Analyzing trace with hash -932633085, now seen corresponding path program 1 times [2019-10-07 14:43:30,959 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:43:30,960 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:43:30,960 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:43:30,960 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:43:30,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:43:31,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:43:31,799 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-10-07 14:43:31,799 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:43:31,800 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 14:43:31,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 14:43:32,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:43:32,507 INFO L256 TraceCheckSpWp]: Trace formula consists of 2865 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-07 14:43:32,528 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 14:43:32,692 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-10-07 14:43:32,692 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 14:43:33,018 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-10-07 14:43:33,019 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 14:43:33,072 INFO L162 IcfgInterpreter]: Started Sifa with 165 locations of interest [2019-10-07 14:43:33,072 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 14:43:33,080 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 14:43:33,088 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 14:43:33,089 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 14:44:29,181 WARN L191 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 675 [2019-10-07 14:44:33,101 WARN L191 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 296 DAG size of output: 241 [2019-10-07 14:44:33,532 WARN L191 SmtUtils]: Spent 421.00 ms on a formula simplification that was a NOOP. DAG size: 711 [2019-10-07 14:44:33,897 WARN L191 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 711 [2019-10-07 14:44:34,190 WARN L191 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 711 [2019-10-07 14:44:34,482 WARN L191 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 444 [2019-10-07 14:44:35,170 WARN L191 SmtUtils]: Spent 686.00 ms on a formula simplification that was a NOOP. DAG size: 1005 [2019-10-07 14:44:35,834 WARN L191 SmtUtils]: Spent 641.00 ms on a formula simplification that was a NOOP. DAG size: 1005 [2019-10-07 14:44:36,443 WARN L191 SmtUtils]: Spent 605.00 ms on a formula simplification that was a NOOP. DAG size: 1005 [2019-10-07 14:44:36,596 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 444 [2019-10-07 14:44:37,229 WARN L191 SmtUtils]: Spent 631.00 ms on a formula simplification that was a NOOP. DAG size: 1005 [2019-10-07 14:44:38,541 WARN L191 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 1007 DAG size of output: 1005 [2019-10-07 14:44:39,162 WARN L191 SmtUtils]: Spent 617.00 ms on a formula simplification that was a NOOP. DAG size: 1005 [2019-10-07 14:44:39,313 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 444 [2019-10-07 14:44:39,914 WARN L191 SmtUtils]: Spent 599.00 ms on a formula simplification that was a NOOP. DAG size: 1005 [2019-10-07 14:44:40,501 WARN L191 SmtUtils]: Spent 583.00 ms on a formula simplification that was a NOOP. DAG size: 1005 [2019-10-07 14:44:41,133 WARN L191 SmtUtils]: Spent 629.00 ms on a formula simplification that was a NOOP. DAG size: 1005 [2019-10-07 14:44:41,253 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 444 [2019-10-07 14:44:41,854 WARN L191 SmtUtils]: Spent 599.00 ms on a formula simplification that was a NOOP. DAG size: 1005 [2019-10-07 14:44:41,879 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 553 for LOIs [2019-10-07 14:44:42,091 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 14:44:42,245 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 642 [2019-10-07 14:44:42,471 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 444 [2019-10-07 14:44:42,907 WARN L191 SmtUtils]: Spent 435.00 ms on a formula simplification that was a NOOP. DAG size: 936 [2019-10-07 14:44:42,909 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1045 for LOIs [2019-10-07 14:44:43,506 WARN L191 SmtUtils]: Spent 596.00 ms on a formula simplification that was a NOOP. DAG size: 1045 [2019-10-07 14:44:44,064 WARN L191 SmtUtils]: Spent 554.00 ms on a formula simplification that was a NOOP. DAG size: 1045 [2019-10-07 14:44:44,280 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2019-10-07 14:44:45,128 WARN L191 SmtUtils]: Spent 846.00 ms on a formula simplification that was a NOOP. DAG size: 1181 [2019-10-07 14:44:45,708 WARN L191 SmtUtils]: Spent 564.00 ms on a formula simplification that was a NOOP. DAG size: 1045 [2019-10-07 14:44:46,313 WARN L191 SmtUtils]: Spent 602.00 ms on a formula simplification that was a NOOP. DAG size: 1045 [2019-10-07 14:44:46,515 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2019-10-07 14:44:47,331 WARN L191 SmtUtils]: Spent 814.00 ms on a formula simplification that was a NOOP. DAG size: 1181 [2019-10-07 14:44:47,949 WARN L191 SmtUtils]: Spent 589.00 ms on a formula simplification that was a NOOP. DAG size: 1045 [2019-10-07 14:44:48,520 WARN L191 SmtUtils]: Spent 567.00 ms on a formula simplification that was a NOOP. DAG size: 1045 [2019-10-07 14:44:48,732 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2019-10-07 14:44:49,575 WARN L191 SmtUtils]: Spent 840.00 ms on a formula simplification that was a NOOP. DAG size: 1181 [2019-10-07 14:44:50,706 WARN L191 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 1183 DAG size of output: 1045 [2019-10-07 14:44:51,284 WARN L191 SmtUtils]: Spent 574.00 ms on a formula simplification that was a NOOP. DAG size: 1045 [2019-10-07 14:44:51,597 WARN L191 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2019-10-07 14:44:52,451 WARN L191 SmtUtils]: Spent 852.00 ms on a formula simplification that was a NOOP. DAG size: 1181 [2019-10-07 14:44:53,024 WARN L191 SmtUtils]: Spent 558.00 ms on a formula simplification that was a NOOP. DAG size: 1045 [2019-10-07 14:44:53,589 WARN L191 SmtUtils]: Spent 562.00 ms on a formula simplification that was a NOOP. DAG size: 1045 [2019-10-07 14:44:53,795 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2019-10-07 14:44:54,634 WARN L191 SmtUtils]: Spent 837.00 ms on a formula simplification that was a NOOP. DAG size: 1181 [2019-10-07 14:44:55,211 WARN L191 SmtUtils]: Spent 574.00 ms on a formula simplification that was a NOOP. DAG size: 1045 [2019-10-07 14:44:55,802 WARN L191 SmtUtils]: Spent 587.00 ms on a formula simplification that was a NOOP. DAG size: 1045 [2019-10-07 14:44:56,002 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2019-10-07 14:44:56,828 WARN L191 SmtUtils]: Spent 825.00 ms on a formula simplification that was a NOOP. DAG size: 1181 [2019-10-07 14:44:57,393 WARN L191 SmtUtils]: Spent 562.00 ms on a formula simplification that was a NOOP. DAG size: 1045 [2019-10-07 14:44:57,951 WARN L191 SmtUtils]: Spent 555.00 ms on a formula simplification that was a NOOP. DAG size: 1045 [2019-10-07 14:44:58,185 WARN L191 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2019-10-07 14:44:59,026 WARN L191 SmtUtils]: Spent 839.00 ms on a formula simplification that was a NOOP. DAG size: 1181 [2019-10-07 14:44:59,588 WARN L191 SmtUtils]: Spent 558.00 ms on a formula simplification that was a NOOP. DAG size: 1045 [2019-10-07 14:45:00,143 WARN L191 SmtUtils]: Spent 552.00 ms on a formula simplification that was a NOOP. DAG size: 1045 [2019-10-07 14:45:00,338 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2019-10-07 14:45:01,171 WARN L191 SmtUtils]: Spent 831.00 ms on a formula simplification that was a NOOP. DAG size: 1181 [2019-10-07 14:45:01,738 WARN L191 SmtUtils]: Spent 564.00 ms on a formula simplification that was a NOOP. DAG size: 1045 [2019-10-07 14:45:02,310 WARN L191 SmtUtils]: Spent 568.00 ms on a formula simplification that was a NOOP. DAG size: 1045 [2019-10-07 14:45:02,512 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2019-10-07 14:45:03,330 WARN L191 SmtUtils]: Spent 816.00 ms on a formula simplification that was a NOOP. DAG size: 1181 [2019-10-07 14:45:03,887 WARN L191 SmtUtils]: Spent 554.00 ms on a formula simplification that was a NOOP. DAG size: 1045 [2019-10-07 14:45:04,452 WARN L191 SmtUtils]: Spent 562.00 ms on a formula simplification that was a NOOP. DAG size: 1045 [2019-10-07 14:45:04,650 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2019-10-07 14:45:05,478 WARN L191 SmtUtils]: Spent 826.00 ms on a formula simplification that was a NOOP. DAG size: 1181 [2019-10-07 14:45:06,050 WARN L191 SmtUtils]: Spent 570.00 ms on a formula simplification that was a NOOP. DAG size: 1045 [2019-10-07 14:45:06,611 WARN L191 SmtUtils]: Spent 557.00 ms on a formula simplification that was a NOOP. DAG size: 1045 [2019-10-07 14:45:06,803 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2019-10-07 14:45:07,637 WARN L191 SmtUtils]: Spent 832.00 ms on a formula simplification that was a NOOP. DAG size: 1181 [2019-10-07 14:45:08,193 WARN L191 SmtUtils]: Spent 553.00 ms on a formula simplification that was a NOOP. DAG size: 1045 [2019-10-07 14:45:08,749 WARN L191 SmtUtils]: Spent 552.00 ms on a formula simplification that was a NOOP. DAG size: 1045 [2019-10-07 14:45:08,944 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2019-10-07 14:45:09,766 WARN L191 SmtUtils]: Spent 820.00 ms on a formula simplification that was a NOOP. DAG size: 1181 [2019-10-07 14:45:10,325 WARN L191 SmtUtils]: Spent 556.00 ms on a formula simplification that was a NOOP. DAG size: 1045 [2019-10-07 14:45:10,892 WARN L191 SmtUtils]: Spent 564.00 ms on a formula simplification that was a NOOP. DAG size: 1045 [2019-10-07 14:45:11,089 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2019-10-07 14:45:11,908 WARN L191 SmtUtils]: Spent 817.00 ms on a formula simplification that was a NOOP. DAG size: 1181 [2019-10-07 14:45:12,811 WARN L191 SmtUtils]: Spent 846.00 ms on a formula simplification that was a NOOP. DAG size: 1181 [2019-10-07 14:45:13,633 WARN L191 SmtUtils]: Spent 818.00 ms on a formula simplification that was a NOOP. DAG size: 1181 [2019-10-07 14:45:13,856 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2019-10-07 14:45:14,678 WARN L191 SmtUtils]: Spent 820.00 ms on a formula simplification that was a NOOP. DAG size: 1181 [2019-10-07 14:45:16,166 WARN L191 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 1183 DAG size of output: 1181 [2019-10-07 14:45:17,013 WARN L191 SmtUtils]: Spent 844.00 ms on a formula simplification that was a NOOP. DAG size: 1181 [2019-10-07 14:45:17,230 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2019-10-07 14:45:18,063 WARN L191 SmtUtils]: Spent 831.00 ms on a formula simplification that was a NOOP. DAG size: 1181 [2019-10-07 14:45:18,885 WARN L191 SmtUtils]: Spent 819.00 ms on a formula simplification that was a NOOP. DAG size: 1181 [2019-10-07 14:45:19,716 WARN L191 SmtUtils]: Spent 827.00 ms on a formula simplification that was a NOOP. DAG size: 1181 [2019-10-07 14:45:19,926 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2019-10-07 14:45:20,757 WARN L191 SmtUtils]: Spent 829.00 ms on a formula simplification that was a NOOP. DAG size: 1181 [2019-10-07 14:45:21,660 WARN L191 SmtUtils]: Spent 854.00 ms on a formula simplification that was a NOOP. DAG size: 1183 [2019-10-07 14:45:22,484 WARN L191 SmtUtils]: Spent 820.00 ms on a formula simplification that was a NOOP. DAG size: 1183 [2019-10-07 14:45:22,688 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 579 [2019-10-07 14:45:23,516 WARN L191 SmtUtils]: Spent 825.00 ms on a formula simplification that was a NOOP. DAG size: 1185 [2019-10-07 14:45:25,071 WARN L191 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 1187 DAG size of output: 1183 [2019-10-07 14:45:25,920 WARN L191 SmtUtils]: Spent 845.00 ms on a formula simplification that was a NOOP. DAG size: 1183 [2019-10-07 14:45:26,128 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 579 [2019-10-07 14:45:26,979 WARN L191 SmtUtils]: Spent 849.00 ms on a formula simplification that was a NOOP. DAG size: 1185 [2019-10-07 14:45:28,483 WARN L191 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 1185 DAG size of output: 1183 [2019-10-07 14:45:29,314 WARN L191 SmtUtils]: Spent 827.00 ms on a formula simplification that was a NOOP. DAG size: 1183 [2019-10-07 14:45:29,511 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 579 [2019-10-07 14:45:30,342 WARN L191 SmtUtils]: Spent 829.00 ms on a formula simplification that was a NOOP. DAG size: 1185 [2019-10-07 14:45:32,033 WARN L191 SmtUtils]: Spent 1.68 s on a formula simplification that was a NOOP. DAG size: 1183 [2019-10-07 14:45:32,870 WARN L191 SmtUtils]: Spent 833.00 ms on a formula simplification that was a NOOP. DAG size: 1183 [2019-10-07 14:45:33,069 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 579 [2019-10-07 14:45:33,912 WARN L191 SmtUtils]: Spent 840.00 ms on a formula simplification that was a NOOP. DAG size: 1185 [2019-10-07 14:45:34,750 WARN L191 SmtUtils]: Spent 834.00 ms on a formula simplification that was a NOOP. DAG size: 1185 [2019-10-07 14:45:35,606 WARN L191 SmtUtils]: Spent 852.00 ms on a formula simplification that was a NOOP. DAG size: 1185 [2019-10-07 14:45:35,813 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 579 [2019-10-07 14:45:36,668 WARN L191 SmtUtils]: Spent 853.00 ms on a formula simplification that was a NOOP. DAG size: 1187 [2019-10-07 14:45:38,208 WARN L191 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 1183 DAG size of output: 1181 [2019-10-07 14:45:39,048 WARN L191 SmtUtils]: Spent 837.00 ms on a formula simplification that was a NOOP. DAG size: 1181 [2019-10-07 14:45:39,257 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2019-10-07 14:45:40,087 WARN L191 SmtUtils]: Spent 828.00 ms on a formula simplification that was a NOOP. DAG size: 1181 [2019-10-07 14:45:42,495 WARN L191 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 1183 DAG size of output: 1181 [2019-10-07 14:45:43,339 WARN L191 SmtUtils]: Spent 840.00 ms on a formula simplification that was a NOOP. DAG size: 1181 [2019-10-07 14:45:43,551 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2019-10-07 14:45:44,387 WARN L191 SmtUtils]: Spent 834.00 ms on a formula simplification that was a NOOP. DAG size: 1181 [2019-10-07 14:45:45,224 WARN L191 SmtUtils]: Spent 834.00 ms on a formula simplification that was a NOOP. DAG size: 1181 [2019-10-07 14:45:46,066 WARN L191 SmtUtils]: Spent 838.00 ms on a formula simplification that was a NOOP. DAG size: 1181 [2019-10-07 14:45:46,267 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2019-10-07 14:45:47,117 WARN L191 SmtUtils]: Spent 848.00 ms on a formula simplification that was a NOOP. DAG size: 1181 [2019-10-07 14:45:48,651 WARN L191 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 1183 DAG size of output: 1181 [2019-10-07 14:45:49,490 WARN L191 SmtUtils]: Spent 835.00 ms on a formula simplification that was a NOOP. DAG size: 1181 [2019-10-07 14:45:49,696 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2019-10-07 14:45:50,547 WARN L191 SmtUtils]: Spent 849.00 ms on a formula simplification that was a NOOP. DAG size: 1181 [2019-10-07 14:45:52,073 WARN L191 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 1183 DAG size of output: 1181 [2019-10-07 14:45:52,918 WARN L191 SmtUtils]: Spent 841.00 ms on a formula simplification that was a NOOP. DAG size: 1181 [2019-10-07 14:45:53,122 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2019-10-07 14:45:53,968 WARN L191 SmtUtils]: Spent 844.00 ms on a formula simplification that was a NOOP. DAG size: 1181 [2019-10-07 14:45:54,818 WARN L191 SmtUtils]: Spent 847.00 ms on a formula simplification that was a NOOP. DAG size: 1181 [2019-10-07 14:45:55,656 WARN L191 SmtUtils]: Spent 834.00 ms on a formula simplification that was a NOOP. DAG size: 1181 [2019-10-07 14:45:55,854 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2019-10-07 14:45:56,700 WARN L191 SmtUtils]: Spent 843.00 ms on a formula simplification that was a NOOP. DAG size: 1181 [2019-10-07 14:45:58,279 WARN L191 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 1187 DAG size of output: 1185 [2019-10-07 14:45:59,121 WARN L191 SmtUtils]: Spent 836.00 ms on a formula simplification that was a NOOP. DAG size: 1185 [2019-10-07 14:45:59,331 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 579 [2019-10-07 14:46:00,180 WARN L191 SmtUtils]: Spent 847.00 ms on a formula simplification that was a NOOP. DAG size: 1185 [2019-10-07 14:46:01,717 WARN L191 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 1187 DAG size of output: 1183 [2019-10-07 14:46:02,573 WARN L191 SmtUtils]: Spent 852.00 ms on a formula simplification that was a NOOP. DAG size: 1183 [2019-10-07 14:46:02,791 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 579 [2019-10-07 14:46:03,635 WARN L191 SmtUtils]: Spent 842.00 ms on a formula simplification that was a NOOP. DAG size: 1185 [2019-10-07 14:46:05,155 WARN L191 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 1187 DAG size of output: 1183 [2019-10-07 14:46:06,000 WARN L191 SmtUtils]: Spent 841.00 ms on a formula simplification that was a NOOP. DAG size: 1183 [2019-10-07 14:46:06,205 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 579 [2019-10-07 14:46:07,057 WARN L191 SmtUtils]: Spent 849.00 ms on a formula simplification that was a NOOP. DAG size: 1185 [2019-10-07 14:46:08,509 WARN L191 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 1192 DAG size of output: 1185 [2019-10-07 14:46:09,368 WARN L191 SmtUtils]: Spent 856.00 ms on a formula simplification that was a NOOP. DAG size: 1185 [2019-10-07 14:46:09,637 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 579 [2019-10-07 14:46:10,503 WARN L191 SmtUtils]: Spent 863.00 ms on a formula simplification that was a NOOP. DAG size: 1185 [2019-10-07 14:46:11,939 WARN L191 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 1194 DAG size of output: 1187 [2019-10-07 14:46:12,797 WARN L191 SmtUtils]: Spent 854.00 ms on a formula simplification that was a NOOP. DAG size: 1187 [2019-10-07 14:46:13,003 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 579 [2019-10-07 14:46:13,885 WARN L191 SmtUtils]: Spent 880.00 ms on a formula simplification that was a NOOP. DAG size: 1187 [2019-10-07 14:46:14,149 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 14:46:14,150 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.generateProof(TraceAbstractionRefinementEngine.java:177) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.executeStrategy(TraceAbstractionRefinementEngine.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.RefinementEngineFactory.runRefinementEngine(RefinementEngineFactory.java:133) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε at de.uni_freiburg.informatik.ultimate.lib.sifa.PriorityWorklist.add(PriorityWorklist.java:97) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.lambda$2(DagInterpreter.java:135) at java.lang.Iterable.forEach(Iterable.java:75) at java.util.Collections$UnmodifiableCollection.forEach(Collections.java:1080) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:135) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:139) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:287) ... 21 more [2019-10-07 14:46:14,158 INFO L168 Benchmark]: Toolchain (without parser) took 172544.49 ms. Allocated memory was 137.9 MB in the beginning and 679.0 MB in the end (delta: 541.1 MB). Free memory was 100.1 MB in the beginning and 158.9 MB in the end (delta: -58.8 MB). Peak memory consumption was 482.3 MB. Max. memory is 7.1 GB. [2019-10-07 14:46:14,159 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 137.9 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-07 14:46:14,160 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1146.51 ms. Allocated memory was 137.9 MB in the beginning and 202.4 MB in the end (delta: 64.5 MB). Free memory was 99.7 MB in the beginning and 135.6 MB in the end (delta: -35.9 MB). Peak memory consumption was 33.8 MB. Max. memory is 7.1 GB. [2019-10-07 14:46:14,160 INFO L168 Benchmark]: Boogie Preprocessor took 196.41 ms. Allocated memory is still 202.4 MB. Free memory was 135.6 MB in the beginning and 126.3 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2019-10-07 14:46:14,161 INFO L168 Benchmark]: RCFGBuilder took 5237.65 ms. Allocated memory was 202.4 MB in the beginning and 308.3 MB in the end (delta: 105.9 MB). Free memory was 126.3 MB in the beginning and 109.3 MB in the end (delta: 17.1 MB). Peak memory consumption was 123.0 MB. Max. memory is 7.1 GB. [2019-10-07 14:46:14,162 INFO L168 Benchmark]: TraceAbstraction took 165958.74 ms. Allocated memory was 308.3 MB in the beginning and 679.0 MB in the end (delta: 370.7 MB). Free memory was 105.9 MB in the beginning and 158.9 MB in the end (delta: -53.0 MB). Peak memory consumption was 317.7 MB. Max. memory is 7.1 GB. [2019-10-07 14:46:14,165 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 137.9 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1146.51 ms. Allocated memory was 137.9 MB in the beginning and 202.4 MB in the end (delta: 64.5 MB). Free memory was 99.7 MB in the beginning and 135.6 MB in the end (delta: -35.9 MB). Peak memory consumption was 33.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 196.41 ms. Allocated memory is still 202.4 MB. Free memory was 135.6 MB in the beginning and 126.3 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 5237.65 ms. Allocated memory was 202.4 MB in the beginning and 308.3 MB in the end (delta: 105.9 MB). Free memory was 126.3 MB in the beginning and 109.3 MB in the end (delta: 17.1 MB). Peak memory consumption was 123.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 165958.74 ms. Allocated memory was 308.3 MB in the beginning and 679.0 MB in the end (delta: 370.7 MB). Free memory was 105.9 MB in the beginning and 158.9 MB in the end (delta: -53.0 MB). Peak memory consumption was 317.7 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...