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_spec0_product26.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 14:40:06,184 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 14:40:06,186 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 14:40:06,200 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 14:40:06,201 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 14:40:06,202 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 14:40:06,204 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 14:40:06,207 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 14:40:06,212 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 14:40:06,214 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 14:40:06,215 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 14:40:06,217 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 14:40:06,217 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 14:40:06,220 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 14:40:06,221 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 14:40:06,222 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 14:40:06,223 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 14:40:06,224 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 14:40:06,228 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 14:40:06,230 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 14:40:06,232 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 14:40:06,234 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 14:40:06,235 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 14:40:06,236 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 14:40:06,240 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 14:40:06,241 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 14:40:06,241 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 14:40:06,243 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 14:40:06,244 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 14:40:06,245 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 14:40:06,246 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 14:40:06,247 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 14:40:06,248 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 14:40:06,249 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 14:40:06,251 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 14:40:06,252 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 14:40:06,252 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 14:40:06,253 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 14:40:06,253 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 14:40:06,254 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 14:40:06,256 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 14:40:06,257 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 14:40:06,276 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 14:40:06,276 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 14:40:06,278 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 14:40:06,278 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 14:40:06,278 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 14:40:06,279 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 14:40:06,279 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 14:40:06,279 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 14:40:06,279 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 14:40:06,279 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 14:40:06,280 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 14:40:06,280 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 14:40:06,281 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 14:40:06,281 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 14:40:06,281 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 14:40:06,281 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 14:40:06,281 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 14:40:06,282 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 14:40:06,282 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 14:40:06,282 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 14:40:06,282 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 14:40:06,282 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 14:40:06,283 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 14:40:06,283 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 14:40:06,283 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 14:40:06,283 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 14:40:06,283 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 14:40:06,284 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 14:40:06,284 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 14:40:06,541 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 14:40:06,553 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 14:40:06,556 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 14:40:06,560 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 14:40:06,560 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 14:40:06,561 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec0_product26.cil.c [2019-10-07 14:40:06,619 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f6f1b6b3/72af701bebb24ae0bb9ada66bf025667/FLAGce9d7de8f [2019-10-07 14:40:07,188 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 14:40:07,188 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec0_product26.cil.c [2019-10-07 14:40:07,208 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f6f1b6b3/72af701bebb24ae0bb9ada66bf025667/FLAGce9d7de8f [2019-10-07 14:40:07,453 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f6f1b6b3/72af701bebb24ae0bb9ada66bf025667 [2019-10-07 14:40:07,461 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 14:40:07,462 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 14:40:07,463 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 14:40:07,463 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 14:40:07,466 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 14:40:07,467 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:40:07" (1/1) ... [2019-10-07 14:40:07,469 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a0eefb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:40:07, skipping insertion in model container [2019-10-07 14:40:07,469 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:40:07" (1/1) ... [2019-10-07 14:40:07,477 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 14:40:07,569 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 14:40:08,432 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:40:08,448 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 14:40:08,573 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:40:08,684 INFO L192 MainTranslator]: Completed translation [2019-10-07 14:40:08,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:40:08 WrapperNode [2019-10-07 14:40:08,685 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 14:40:08,687 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 14:40:08,687 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 14:40:08,687 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 14:40:08,702 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:40:08" (1/1) ... [2019-10-07 14:40:08,702 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:40:08" (1/1) ... [2019-10-07 14:40:08,751 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:40:08" (1/1) ... [2019-10-07 14:40:08,751 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:40:08" (1/1) ... [2019-10-07 14:40:08,810 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:40:08" (1/1) ... [2019-10-07 14:40:08,838 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:40:08" (1/1) ... [2019-10-07 14:40:08,867 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:40:08" (1/1) ... [2019-10-07 14:40:08,900 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 14:40:08,901 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 14:40:08,901 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 14:40:08,902 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 14:40:08,903 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:40:08" (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 14:40:08,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 14:40:08,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 14:40:08,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 14:40:08,987 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-07 14:40:08,987 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-07 14:40:08,988 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-10-07 14:40:08,989 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-07 14:40:08,989 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-07 14:40:08,990 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2019-10-07 14:40:08,990 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AddressBook [2019-10-07 14:40:08,991 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-10-07 14:40:08,992 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-07 14:40:08,992 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-07 14:40:08,992 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-07 14:40:08,992 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-07 14:40:08,993 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-07 14:40:08,995 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-07 14:40:08,995 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-07 14:40:08,995 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-07 14:40:08,996 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-07 14:40:08,996 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-07 14:40:08,996 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-07 14:40:08,996 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-07 14:40:08,997 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-07 14:40:08,997 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-07 14:40:08,997 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-07 14:40:08,997 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-07 14:40:08,997 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-07 14:40:08,998 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-07 14:40:08,998 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-07 14:40:08,998 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-07 14:40:08,999 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-07 14:40:08,999 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-07 14:40:08,999 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-07 14:40:08,999 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-07 14:40:08,999 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-07 14:40:09,000 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-07 14:40:09,000 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-07 14:40:09,000 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-07 14:40:09,000 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-07 14:40:09,000 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-07 14:40:09,000 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-07 14:40:09,000 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-07 14:40:09,000 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-07 14:40:09,001 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-07 14:40:09,001 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-07 14:40:09,001 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-07 14:40:09,001 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-07 14:40:09,001 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-07 14:40:09,001 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-07 14:40:09,001 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-07 14:40:09,002 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-07 14:40:09,002 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 14:40:09,002 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 14:40:09,002 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-07 14:40:09,002 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-07 14:40:09,002 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-07 14:40:09,002 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-07 14:40:09,003 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-07 14:40:09,003 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-07 14:40:09,003 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-07 14:40:09,003 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-07 14:40:09,004 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-07 14:40:09,004 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-07 14:40:09,004 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-07 14:40:09,004 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-07 14:40:09,004 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 14:40:09,004 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-07 14:40:09,004 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-07 14:40:09,005 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-07 14:40:09,005 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-07 14:40:09,005 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-07 14:40:09,005 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-07 14:40:09,006 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 14:40:09,006 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 14:40:09,006 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 14:40:09,007 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 14:40:09,007 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-07 14:40:09,007 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-07 14:40:09,007 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-07 14:40:09,008 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-07 14:40:09,008 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-07 14:40:09,008 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-07 14:40:09,008 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-07 14:40:09,008 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-07 14:40:09,009 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-07 14:40:09,009 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-07 14:40:09,009 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-07 14:40:09,010 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-07 14:40:09,010 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-07 14:40:09,010 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-07 14:40:09,010 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-07 14:40:09,010 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-07 14:40:09,010 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-07 14:40:09,010 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-07 14:40:09,011 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-07 14:40:09,011 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-07 14:40:09,011 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-07 14:40:09,011 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-07 14:40:09,011 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-07 14:40:09,011 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-07 14:40:09,012 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-07 14:40:09,012 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-07 14:40:09,012 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-07 14:40:09,012 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-07 14:40:09,012 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-07 14:40:09,012 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptForward_spec__1 [2019-10-07 14:40:09,012 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 14:40:09,013 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 14:40:09,013 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 14:40:09,013 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 14:40:09,013 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 14:40:09,013 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 14:40:09,013 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-07 14:40:09,013 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 14:40:09,014 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 14:40:09,014 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 14:40:09,014 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 14:40:09,014 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-07 14:40:09,015 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-07 14:40:09,015 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-07 14:40:09,015 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-07 14:40:09,015 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-07 14:40:09,016 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-07 14:40:09,017 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-07 14:40:09,017 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-07 14:40:09,017 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-07 14:40:09,017 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-07 14:40:09,017 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-07 14:40:09,017 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-07 14:40:09,017 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-07 14:40:09,018 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-07 14:40:09,018 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-07 14:40:09,019 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-07 14:40:09,022 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-07 14:40:09,022 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-07 14:40:09,022 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-07 14:40:09,022 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-07 14:40:09,023 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-07 14:40:09,023 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-07 14:40:09,023 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-07 14:40:09,023 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-07 14:40:09,024 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-07 14:40:09,024 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-07 14:40:09,031 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-07 14:40:09,032 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-07 14:40:09,032 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-07 14:40:09,032 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-07 14:40:09,032 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-07 14:40:09,033 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-07 14:40:09,033 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-07 14:40:09,033 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-07 14:40:09,033 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-07 14:40:09,033 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 14:40:09,034 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-07 14:40:09,034 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-10-07 14:40:09,034 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2019-10-07 14:40:09,034 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AddressBook [2019-10-07 14:40:09,034 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-10-07 14:40:09,034 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptForward_spec__1 [2019-10-07 14:40:09,034 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-07 14:40:09,035 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-07 14:40:09,035 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-07 14:40:09,035 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-07 14:40:09,035 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-07 14:40:09,035 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-07 14:40:09,035 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-07 14:40:09,035 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-07 14:40:09,035 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-07 14:40:09,036 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-07 14:40:09,036 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-07 14:40:09,036 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-07 14:40:09,036 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-07 14:40:09,036 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-07 14:40:09,036 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-07 14:40:09,036 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-07 14:40:09,037 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-07 14:40:09,037 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-07 14:40:09,037 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-07 14:40:09,037 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-07 14:40:09,037 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-07 14:40:09,037 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-07 14:40:09,037 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-07 14:40:09,037 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-07 14:40:09,037 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 14:40:09,038 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 14:40:09,038 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 14:40:09,038 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-07 14:40:09,038 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-07 14:40:09,038 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-07 14:40:09,039 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-07 14:40:09,039 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-07 14:40:09,039 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 14:40:09,039 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 14:40:09,039 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 14:40:09,039 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-07 14:40:09,039 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-07 14:40:09,039 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-07 14:40:09,040 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-07 14:40:09,040 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-07 14:40:09,040 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-07 14:40:09,040 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-07 14:40:09,040 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-07 14:40:09,040 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-07 14:40:09,040 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-07 14:40:09,040 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-07 14:40:09,041 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-07 14:40:09,041 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-07 14:40:09,041 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-07 14:40:09,041 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-07 14:40:09,041 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-07 14:40:09,041 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-07 14:40:09,041 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-07 14:40:09,041 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-07 14:40:09,042 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 14:40:09,042 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-07 14:40:09,042 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-07 14:40:09,042 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-07 14:40:09,042 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-07 14:40:09,042 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-07 14:40:09,043 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-07 14:40:09,043 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-07 14:40:09,043 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-07 14:40:09,043 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-07 14:40:09,043 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 14:40:09,043 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 14:40:09,043 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 14:40:09,044 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 14:40:09,044 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 14:40:09,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 14:40:09,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 14:40:09,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 14:40:09,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 14:40:09,045 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 14:40:09,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 14:40:09,045 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 14:40:09,045 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 14:40:09,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 14:40:09,045 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 14:40:09,045 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 14:40:09,046 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 14:40:09,046 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-07 14:40:09,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 14:40:09,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 14:40:09,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 14:40:13,421 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 14:40:13,422 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-07 14:40:13,423 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:40:13 BoogieIcfgContainer [2019-10-07 14:40:13,424 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 14:40:13,425 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 14:40:13,425 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 14:40:13,427 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 14:40:13,428 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 02:40:07" (1/3) ... [2019-10-07 14:40:13,428 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@486e661f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:40:13, skipping insertion in model container [2019-10-07 14:40:13,429 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:40:08" (2/3) ... [2019-10-07 14:40:13,429 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@486e661f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:40:13, skipping insertion in model container [2019-10-07 14:40:13,429 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:40:13" (3/3) ... [2019-10-07 14:40:13,431 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec0_product26.cil.c [2019-10-07 14:40:13,441 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 14:40:13,450 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 14:40:13,461 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 14:40:13,491 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 14:40:13,491 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 14:40:13,492 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 14:40:13,492 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 14:40:13,492 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 14:40:13,492 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 14:40:13,492 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 14:40:13,492 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 14:40:13,577 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states. [2019-10-07 14:40:13,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2019-10-07 14:40:13,599 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:40:13,600 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:40:13,602 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:40:13,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:40:13,609 INFO L82 PathProgramCache]: Analyzing trace with hash -1874479211, now seen corresponding path program 1 times [2019-10-07 14:40:13,618 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:40:13,618 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:40:13,619 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:40:13,619 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:40:13,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:40:13,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:40:14,264 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-07 14:40:14,266 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:40:14,267 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:40:14,267 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 14:40:14,273 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 14:40:14,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 14:40:14,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 14:40:14,290 INFO L87 Difference]: Start difference. First operand 414 states. Second operand 2 states. [2019-10-07 14:40:14,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:40:14,400 INFO L93 Difference]: Finished difference Result 603 states and 719 transitions. [2019-10-07 14:40:14,401 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 14:40:14,403 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 165 [2019-10-07 14:40:14,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:40:14,432 INFO L225 Difference]: With dead ends: 603 [2019-10-07 14:40:14,432 INFO L226 Difference]: Without dead ends: 387 [2019-10-07 14:40:14,443 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 14:40:14,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2019-10-07 14:40:14,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 387. [2019-10-07 14:40:14,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 387 states. [2019-10-07 14:40:14,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 456 transitions. [2019-10-07 14:40:14,549 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 456 transitions. Word has length 165 [2019-10-07 14:40:14,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:40:14,551 INFO L462 AbstractCegarLoop]: Abstraction has 387 states and 456 transitions. [2019-10-07 14:40:14,553 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 14:40:14,553 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 456 transitions. [2019-10-07 14:40:14,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2019-10-07 14:40:14,559 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:40:14,560 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:40:14,560 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:40:14,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:40:14,560 INFO L82 PathProgramCache]: Analyzing trace with hash 390326315, now seen corresponding path program 1 times [2019-10-07 14:40:14,561 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:40:14,561 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:40:14,561 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:40:14,561 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:40:14,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:40:14,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:40:14,828 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-07 14:40:14,828 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:40:14,829 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:40:14,829 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:40:14,835 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:40:14,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:40:14,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:40:14,835 INFO L87 Difference]: Start difference. First operand 387 states and 456 transitions. Second operand 3 states. [2019-10-07 14:40:14,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:40:14,903 INFO L93 Difference]: Finished difference Result 588 states and 685 transitions. [2019-10-07 14:40:14,903 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:40:14,904 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 166 [2019-10-07 14:40:14,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:40:14,910 INFO L225 Difference]: With dead ends: 588 [2019-10-07 14:40:14,911 INFO L226 Difference]: Without dead ends: 389 [2019-10-07 14:40:14,913 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 14:40:14,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2019-10-07 14:40:14,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 389. [2019-10-07 14:40:14,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 389 states. [2019-10-07 14:40:14,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 458 transitions. [2019-10-07 14:40:14,963 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 458 transitions. Word has length 166 [2019-10-07 14:40:14,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:40:14,963 INFO L462 AbstractCegarLoop]: Abstraction has 389 states and 458 transitions. [2019-10-07 14:40:14,964 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:40:14,964 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 458 transitions. [2019-10-07 14:40:14,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2019-10-07 14:40:14,971 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:40:14,973 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:40:14,973 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:40:14,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:40:14,973 INFO L82 PathProgramCache]: Analyzing trace with hash -2141486130, now seen corresponding path program 1 times [2019-10-07 14:40:14,974 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:40:14,974 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:40:14,974 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:40:14,974 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:40:14,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:40:15,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:40:15,215 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-07 14:40:15,216 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:40:15,216 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:40:15,216 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:40:15,219 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:40:15,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:40:15,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:40:15,220 INFO L87 Difference]: Start difference. First operand 389 states and 458 transitions. Second operand 3 states. [2019-10-07 14:40:15,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:40:15,257 INFO L93 Difference]: Finished difference Result 764 states and 929 transitions. [2019-10-07 14:40:15,258 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:40:15,258 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 178 [2019-10-07 14:40:15,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:40:15,263 INFO L225 Difference]: With dead ends: 764 [2019-10-07 14:40:15,263 INFO L226 Difference]: Without dead ends: 433 [2019-10-07 14:40:15,264 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 14:40:15,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2019-10-07 14:40:15,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 432. [2019-10-07 14:40:15,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 432 states. [2019-10-07 14:40:15,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 532 transitions. [2019-10-07 14:40:15,292 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 532 transitions. Word has length 178 [2019-10-07 14:40:15,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:40:15,293 INFO L462 AbstractCegarLoop]: Abstraction has 432 states and 532 transitions. [2019-10-07 14:40:15,293 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:40:15,293 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 532 transitions. [2019-10-07 14:40:15,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2019-10-07 14:40:15,299 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:40:15,299 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:40:15,300 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:40:15,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:40:15,300 INFO L82 PathProgramCache]: Analyzing trace with hash -1592944077, now seen corresponding path program 1 times [2019-10-07 14:40:15,300 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:40:15,301 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:40:15,302 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:40:15,302 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:40:15,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:40:15,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:40:16,308 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-07 14:40:16,309 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:40:16,309 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:40:16,309 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2019-10-07 14:40:16,310 INFO L442 AbstractCegarLoop]: Interpolant automaton has 28 states [2019-10-07 14:40:16,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2019-10-07 14:40:16,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=685, Unknown=0, NotChecked=0, Total=756 [2019-10-07 14:40:16,311 INFO L87 Difference]: Start difference. First operand 432 states and 532 transitions. Second operand 28 states. [2019-10-07 14:40:24,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:40:24,514 INFO L93 Difference]: Finished difference Result 890 states and 1097 transitions. [2019-10-07 14:40:24,514 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2019-10-07 14:40:24,514 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 179 [2019-10-07 14:40:24,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:40:24,519 INFO L225 Difference]: With dead ends: 890 [2019-10-07 14:40:24,520 INFO L226 Difference]: Without dead ends: 701 [2019-10-07 14:40:24,522 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 285 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=170, Invalid=1900, Unknown=0, NotChecked=0, Total=2070 [2019-10-07 14:40:24,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 701 states. [2019-10-07 14:40:24,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 701 to 689. [2019-10-07 14:40:24,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 689 states. [2019-10-07 14:40:24,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 689 states and 852 transitions. [2019-10-07 14:40:24,560 INFO L78 Accepts]: Start accepts. Automaton has 689 states and 852 transitions. Word has length 179 [2019-10-07 14:40:24,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:40:24,561 INFO L462 AbstractCegarLoop]: Abstraction has 689 states and 852 transitions. [2019-10-07 14:40:24,561 INFO L463 AbstractCegarLoop]: Interpolant automaton has 28 states. [2019-10-07 14:40:24,561 INFO L276 IsEmpty]: Start isEmpty. Operand 689 states and 852 transitions. [2019-10-07 14:40:24,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2019-10-07 14:40:24,565 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:40:24,565 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:40:24,566 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:40:24,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:40:24,566 INFO L82 PathProgramCache]: Analyzing trace with hash 649300421, now seen corresponding path program 1 times [2019-10-07 14:40:24,566 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:40:24,566 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:40:24,567 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:40:24,567 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:40:24,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:40:24,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:40:24,861 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-07 14:40:24,862 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:40:24,862 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:40:24,862 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-07 14:40:24,863 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-07 14:40:24,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-07 14:40:24,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-10-07 14:40:24,864 INFO L87 Difference]: Start difference. First operand 689 states and 852 transitions. Second operand 10 states. [2019-10-07 14:40:24,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:40:24,937 INFO L93 Difference]: Finished difference Result 698 states and 863 transitions. [2019-10-07 14:40:24,937 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-07 14:40:24,937 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 183 [2019-10-07 14:40:24,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:40:24,943 INFO L225 Difference]: With dead ends: 698 [2019-10-07 14:40:24,943 INFO L226 Difference]: Without dead ends: 695 [2019-10-07 14:40:24,945 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-10-07 14:40:24,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 695 states. [2019-10-07 14:40:24,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 695 to 695. [2019-10-07 14:40:24,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 695 states. [2019-10-07 14:40:24,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 695 states and 858 transitions. [2019-10-07 14:40:24,982 INFO L78 Accepts]: Start accepts. Automaton has 695 states and 858 transitions. Word has length 183 [2019-10-07 14:40:24,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:40:24,983 INFO L462 AbstractCegarLoop]: Abstraction has 695 states and 858 transitions. [2019-10-07 14:40:24,983 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-07 14:40:24,984 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 858 transitions. [2019-10-07 14:40:24,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2019-10-07 14:40:24,987 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:40:24,988 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:40:24,988 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:40:24,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:40:24,988 INFO L82 PathProgramCache]: Analyzing trace with hash -1003657644, now seen corresponding path program 1 times [2019-10-07 14:40:24,988 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:40:24,989 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:40:24,989 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:40:24,989 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:40:24,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:40:25,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:40:26,673 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-07 14:40:26,674 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:40:26,674 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 14:40:26,675 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 14:40:27,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:40:27,215 INFO L256 TraceCheckSpWp]: Trace formula consists of 2878 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-07 14:40:27,235 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 14:40:27,411 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-07 14:40:27,411 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 14:40:27,720 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-07 14:40:27,720 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 14:40:27,761 INFO L162 IcfgInterpreter]: Started Sifa with 170 locations of interest [2019-10-07 14:40:27,761 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 14:40:27,773 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 14:40:27,783 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 14:40:27,784 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 14:41:14,805 WARN L191 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 675 [2019-10-07 14:41:18,365 WARN L191 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 314 DAG size of output: 255 [2019-10-07 14:41:18,743 WARN L191 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 719 [2019-10-07 14:41:19,011 WARN L191 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 719 [2019-10-07 14:41:19,203 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 719 [2019-10-07 14:41:19,375 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 444 [2019-10-07 14:41:20,000 WARN L191 SmtUtils]: Spent 623.00 ms on a formula simplification that was a NOOP. DAG size: 1013 [2019-10-07 14:41:20,719 WARN L191 SmtUtils]: Spent 680.00 ms on a formula simplification that was a NOOP. DAG size: 1013 [2019-10-07 14:41:21,352 WARN L191 SmtUtils]: Spent 630.00 ms on a formula simplification that was a NOOP. DAG size: 1013 [2019-10-07 14:41:21,492 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 444 [2019-10-07 14:41:22,125 WARN L191 SmtUtils]: Spent 631.00 ms on a formula simplification that was a NOOP. DAG size: 1013 [2019-10-07 14:41:23,291 WARN L191 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 1015 DAG size of output: 1013 [2019-10-07 14:41:23,890 WARN L191 SmtUtils]: Spent 595.00 ms on a formula simplification that was a NOOP. DAG size: 1013 [2019-10-07 14:41:24,028 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 444 [2019-10-07 14:41:24,595 WARN L191 SmtUtils]: Spent 565.00 ms on a formula simplification that was a NOOP. DAG size: 1013 [2019-10-07 14:41:25,219 WARN L191 SmtUtils]: Spent 621.00 ms on a formula simplification that was a NOOP. DAG size: 1013 [2019-10-07 14:41:25,795 WARN L191 SmtUtils]: Spent 572.00 ms on a formula simplification that was a NOOP. DAG size: 1013 [2019-10-07 14:41:25,913 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 444 [2019-10-07 14:41:26,476 WARN L191 SmtUtils]: Spent 561.00 ms on a formula simplification that was a NOOP. DAG size: 1013 [2019-10-07 14:41:26,502 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 553 for LOIs [2019-10-07 14:41:26,839 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 642 [2019-10-07 14:41:27,052 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 444 [2019-10-07 14:41:27,513 WARN L191 SmtUtils]: Spent 460.00 ms on a formula simplification that was a NOOP. DAG size: 936 [2019-10-07 14:41:27,515 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1069 for LOIs [2019-10-07 14:41:28,069 WARN L191 SmtUtils]: Spent 553.00 ms on a formula simplification that was a NOOP. DAG size: 1069 [2019-10-07 14:41:28,639 WARN L191 SmtUtils]: Spent 567.00 ms on a formula simplification that was a NOOP. DAG size: 1069 [2019-10-07 14:41:28,875 WARN L191 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 630 [2019-10-07 14:41:29,806 WARN L191 SmtUtils]: Spent 929.00 ms on a formula simplification that was a NOOP. DAG size: 1261 [2019-10-07 14:41:30,378 WARN L191 SmtUtils]: Spent 558.00 ms on a formula simplification that was a NOOP. DAG size: 1069 [2019-10-07 14:41:30,947 WARN L191 SmtUtils]: Spent 566.00 ms on a formula simplification that was a NOOP. DAG size: 1069 [2019-10-07 14:41:31,265 WARN L191 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 630 [2019-10-07 14:41:32,175 WARN L191 SmtUtils]: Spent 908.00 ms on a formula simplification that was a NOOP. DAG size: 1261 [2019-10-07 14:41:32,791 WARN L191 SmtUtils]: Spent 587.00 ms on a formula simplification that was a NOOP. DAG size: 1069 [2019-10-07 14:41:33,346 WARN L191 SmtUtils]: Spent 551.00 ms on a formula simplification that was a NOOP. DAG size: 1069 [2019-10-07 14:41:33,583 WARN L191 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 630 [2019-10-07 14:41:34,493 WARN L191 SmtUtils]: Spent 909.00 ms on a formula simplification that was a NOOP. DAG size: 1261 [2019-10-07 14:41:35,416 WARN L191 SmtUtils]: Spent 892.00 ms on a formula simplification. DAG size of input: 1263 DAG size of output: 1069 [2019-10-07 14:41:35,991 WARN L191 SmtUtils]: Spent 572.00 ms on a formula simplification that was a NOOP. DAG size: 1069 [2019-10-07 14:41:36,262 WARN L191 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 630 [2019-10-07 14:41:37,169 WARN L191 SmtUtils]: Spent 905.00 ms on a formula simplification that was a NOOP. DAG size: 1261 [2019-10-07 14:41:37,737 WARN L191 SmtUtils]: Spent 549.00 ms on a formula simplification that was a NOOP. DAG size: 1069 [2019-10-07 14:41:38,289 WARN L191 SmtUtils]: Spent 549.00 ms on a formula simplification that was a NOOP. DAG size: 1069 [2019-10-07 14:41:38,541 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 630 [2019-10-07 14:41:39,461 WARN L191 SmtUtils]: Spent 918.00 ms on a formula simplification that was a NOOP. DAG size: 1261 [2019-10-07 14:41:40,018 WARN L191 SmtUtils]: Spent 554.00 ms on a formula simplification that was a NOOP. DAG size: 1069 [2019-10-07 14:41:40,571 WARN L191 SmtUtils]: Spent 550.00 ms on a formula simplification that was a NOOP. DAG size: 1069 [2019-10-07 14:41:40,807 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 630 [2019-10-07 14:41:41,719 WARN L191 SmtUtils]: Spent 910.00 ms on a formula simplification that was a NOOP. DAG size: 1261 [2019-10-07 14:41:42,277 WARN L191 SmtUtils]: Spent 555.00 ms on a formula simplification that was a NOOP. DAG size: 1069 [2019-10-07 14:41:42,824 WARN L191 SmtUtils]: Spent 544.00 ms on a formula simplification that was a NOOP. DAG size: 1069 [2019-10-07 14:41:43,051 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 630 [2019-10-07 14:41:43,959 WARN L191 SmtUtils]: Spent 906.00 ms on a formula simplification that was a NOOP. DAG size: 1261 [2019-10-07 14:41:44,510 WARN L191 SmtUtils]: Spent 548.00 ms on a formula simplification that was a NOOP. DAG size: 1069 [2019-10-07 14:41:45,057 WARN L191 SmtUtils]: Spent 543.00 ms on a formula simplification that was a NOOP. DAG size: 1069 [2019-10-07 14:41:45,297 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 630 [2019-10-07 14:41:46,208 WARN L191 SmtUtils]: Spent 909.00 ms on a formula simplification that was a NOOP. DAG size: 1261 [2019-10-07 14:41:46,754 WARN L191 SmtUtils]: Spent 543.00 ms on a formula simplification that was a NOOP. DAG size: 1069 [2019-10-07 14:41:47,299 WARN L191 SmtUtils]: Spent 542.00 ms on a formula simplification that was a NOOP. DAG size: 1069 [2019-10-07 14:41:47,527 WARN L191 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 630 [2019-10-07 14:41:48,429 WARN L191 SmtUtils]: Spent 901.00 ms on a formula simplification that was a NOOP. DAG size: 1261 [2019-10-07 14:41:48,981 WARN L191 SmtUtils]: Spent 549.00 ms on a formula simplification that was a NOOP. DAG size: 1069 [2019-10-07 14:41:49,528 WARN L191 SmtUtils]: Spent 544.00 ms on a formula simplification that was a NOOP. DAG size: 1069 [2019-10-07 14:41:49,757 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 630 [2019-10-07 14:41:50,666 WARN L191 SmtUtils]: Spent 907.00 ms on a formula simplification that was a NOOP. DAG size: 1261 [2019-10-07 14:41:51,217 WARN L191 SmtUtils]: Spent 549.00 ms on a formula simplification that was a NOOP. DAG size: 1069 [2019-10-07 14:41:51,770 WARN L191 SmtUtils]: Spent 550.00 ms on a formula simplification that was a NOOP. DAG size: 1069 [2019-10-07 14:41:52,012 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 630 [2019-10-07 14:41:52,920 WARN L191 SmtUtils]: Spent 906.00 ms on a formula simplification that was a NOOP. DAG size: 1261 [2019-10-07 14:41:53,472 WARN L191 SmtUtils]: Spent 550.00 ms on a formula simplification that was a NOOP. DAG size: 1069 [2019-10-07 14:41:54,021 WARN L191 SmtUtils]: Spent 545.00 ms on a formula simplification that was a NOOP. DAG size: 1069 [2019-10-07 14:41:54,252 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 630 [2019-10-07 14:41:55,159 WARN L191 SmtUtils]: Spent 904.00 ms on a formula simplification that was a NOOP. DAG size: 1261 [2019-10-07 14:41:55,703 WARN L191 SmtUtils]: Spent 542.00 ms on a formula simplification that was a NOOP. DAG size: 1069 [2019-10-07 14:41:56,253 WARN L191 SmtUtils]: Spent 546.00 ms on a formula simplification that was a NOOP. DAG size: 1069 [2019-10-07 14:41:56,489 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 630 [2019-10-07 14:41:57,392 WARN L191 SmtUtils]: Spent 901.00 ms on a formula simplification that was a NOOP. DAG size: 1261 [2019-10-07 14:41:58,388 WARN L191 SmtUtils]: Spent 945.00 ms on a formula simplification that was a NOOP. DAG size: 1261 [2019-10-07 14:41:59,293 WARN L191 SmtUtils]: Spent 902.00 ms on a formula simplification that was a NOOP. DAG size: 1261 [2019-10-07 14:41:59,537 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 630 [2019-10-07 14:42:00,439 WARN L191 SmtUtils]: Spent 900.00 ms on a formula simplification that was a NOOP. DAG size: 1261 [2019-10-07 14:42:02,134 WARN L191 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 1263 DAG size of output: 1261 [2019-10-07 14:42:03,042 WARN L191 SmtUtils]: Spent 904.00 ms on a formula simplification that was a NOOP. DAG size: 1261 [2019-10-07 14:42:03,284 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 630 [2019-10-07 14:42:04,191 WARN L191 SmtUtils]: Spent 905.00 ms on a formula simplification that was a NOOP. DAG size: 1261 [2019-10-07 14:42:05,099 WARN L191 SmtUtils]: Spent 905.00 ms on a formula simplification that was a NOOP. DAG size: 1261 [2019-10-07 14:42:05,994 WARN L191 SmtUtils]: Spent 890.00 ms on a formula simplification that was a NOOP. DAG size: 1261 [2019-10-07 14:42:06,227 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 630 [2019-10-07 14:42:07,137 WARN L191 SmtUtils]: Spent 907.00 ms on a formula simplification that was a NOOP. DAG size: 1261 [2019-10-07 14:42:08,089 WARN L191 SmtUtils]: Spent 917.00 ms on a formula simplification that was a NOOP. DAG size: 1263 [2019-10-07 14:42:09,003 WARN L191 SmtUtils]: Spent 910.00 ms on a formula simplification that was a NOOP. DAG size: 1263 [2019-10-07 14:42:09,236 WARN L191 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 633 [2019-10-07 14:42:10,150 WARN L191 SmtUtils]: Spent 912.00 ms on a formula simplification that was a NOOP. DAG size: 1265 [2019-10-07 14:42:12,710 WARN L191 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 1267 DAG size of output: 1263 [2019-10-07 14:42:13,615 WARN L191 SmtUtils]: Spent 901.00 ms on a formula simplification that was a NOOP. DAG size: 1263 [2019-10-07 14:42:13,855 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 633 [2019-10-07 14:42:14,765 WARN L191 SmtUtils]: Spent 908.00 ms on a formula simplification that was a NOOP. DAG size: 1265 [2019-10-07 14:42:15,674 WARN L191 SmtUtils]: Spent 906.00 ms on a formula simplification that was a NOOP. DAG size: 1263 [2019-10-07 14:42:16,582 WARN L191 SmtUtils]: Spent 904.00 ms on a formula simplification that was a NOOP. DAG size: 1263 [2019-10-07 14:42:16,820 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 633 [2019-10-07 14:42:17,725 WARN L191 SmtUtils]: Spent 903.00 ms on a formula simplification that was a NOOP. DAG size: 1265 [2019-10-07 14:42:18,657 WARN L191 SmtUtils]: Spent 923.00 ms on a formula simplification that was a NOOP. DAG size: 1270 [2019-10-07 14:42:19,574 WARN L191 SmtUtils]: Spent 913.00 ms on a formula simplification that was a NOOP. DAG size: 1270 [2019-10-07 14:42:19,831 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 633 [2019-10-07 14:42:20,755 WARN L191 SmtUtils]: Spent 921.00 ms on a formula simplification that was a NOOP. DAG size: 1270 [2019-10-07 14:42:21,681 WARN L191 SmtUtils]: Spent 922.00 ms on a formula simplification that was a NOOP. DAG size: 1272 [2019-10-07 14:42:22,608 WARN L191 SmtUtils]: Spent 923.00 ms on a formula simplification that was a NOOP. DAG size: 1272 [2019-10-07 14:42:22,849 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 633 [2019-10-07 14:42:23,764 WARN L191 SmtUtils]: Spent 913.00 ms on a formula simplification that was a NOOP. DAG size: 1272 [2019-10-07 14:42:26,227 WARN L191 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 1263 DAG size of output: 1261 [2019-10-07 14:42:27,138 WARN L191 SmtUtils]: Spent 907.00 ms on a formula simplification that was a NOOP. DAG size: 1261 [2019-10-07 14:42:27,420 WARN L191 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 630 [2019-10-07 14:42:28,331 WARN L191 SmtUtils]: Spent 909.00 ms on a formula simplification that was a NOOP. DAG size: 1261 [2019-10-07 14:42:30,004 WARN L191 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 1263 DAG size of output: 1261 [2019-10-07 14:42:30,914 WARN L191 SmtUtils]: Spent 906.00 ms on a formula simplification that was a NOOP. DAG size: 1261 [2019-10-07 14:42:31,151 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 630 [2019-10-07 14:42:32,054 WARN L191 SmtUtils]: Spent 901.00 ms on a formula simplification that was a NOOP. DAG size: 1261 [2019-10-07 14:42:32,962 WARN L191 SmtUtils]: Spent 905.00 ms on a formula simplification that was a NOOP. DAG size: 1261 [2019-10-07 14:42:33,866 WARN L191 SmtUtils]: Spent 900.00 ms on a formula simplification that was a NOOP. DAG size: 1261 [2019-10-07 14:42:34,094 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 630 [2019-10-07 14:42:35,003 WARN L191 SmtUtils]: Spent 907.00 ms on a formula simplification that was a NOOP. DAG size: 1261 [2019-10-07 14:42:36,685 WARN L191 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 1263 DAG size of output: 1261 [2019-10-07 14:42:37,595 WARN L191 SmtUtils]: Spent 906.00 ms on a formula simplification that was a NOOP. DAG size: 1261 [2019-10-07 14:42:37,836 WARN L191 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 630 [2019-10-07 14:42:38,745 WARN L191 SmtUtils]: Spent 907.00 ms on a formula simplification that was a NOOP. DAG size: 1261 [2019-10-07 14:42:40,414 WARN L191 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 1263 DAG size of output: 1261 [2019-10-07 14:42:41,317 WARN L191 SmtUtils]: Spent 899.00 ms on a formula simplification that was a NOOP. DAG size: 1261 [2019-10-07 14:42:41,554 WARN L191 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 630 [2019-10-07 14:42:42,467 WARN L191 SmtUtils]: Spent 910.00 ms on a formula simplification that was a NOOP. DAG size: 1261 [2019-10-07 14:42:43,377 WARN L191 SmtUtils]: Spent 907.00 ms on a formula simplification that was a NOOP. DAG size: 1261 [2019-10-07 14:42:44,285 WARN L191 SmtUtils]: Spent 904.00 ms on a formula simplification that was a NOOP. DAG size: 1261 [2019-10-07 14:42:44,518 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 630 [2019-10-07 14:42:45,434 WARN L191 SmtUtils]: Spent 914.00 ms on a formula simplification that was a NOOP. DAG size: 1261 [2019-10-07 14:42:46,380 WARN L191 SmtUtils]: Spent 916.00 ms on a formula simplification that was a NOOP. DAG size: 1265 [2019-10-07 14:42:47,300 WARN L191 SmtUtils]: Spent 915.00 ms on a formula simplification that was a NOOP. DAG size: 1265 [2019-10-07 14:42:47,549 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 633 [2019-10-07 14:42:48,469 WARN L191 SmtUtils]: Spent 918.00 ms on a formula simplification that was a NOOP. DAG size: 1265 [2019-10-07 14:42:49,394 WARN L191 SmtUtils]: Spent 911.00 ms on a formula simplification that was a NOOP. DAG size: 1265 [2019-10-07 14:42:50,314 WARN L191 SmtUtils]: Spent 916.00 ms on a formula simplification that was a NOOP. DAG size: 1265 [2019-10-07 14:42:50,553 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 633 [2019-10-07 14:42:51,472 WARN L191 SmtUtils]: Spent 917.00 ms on a formula simplification that was a NOOP. DAG size: 1265 [2019-10-07 14:42:52,388 WARN L191 SmtUtils]: Spent 913.00 ms on a formula simplification that was a NOOP. DAG size: 1265 [2019-10-07 14:42:53,312 WARN L191 SmtUtils]: Spent 920.00 ms on a formula simplification that was a NOOP. DAG size: 1265 [2019-10-07 14:42:53,544 WARN L191 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 633 [2019-10-07 14:42:54,459 WARN L191 SmtUtils]: Spent 913.00 ms on a formula simplification that was a NOOP. DAG size: 1265 [2019-10-07 14:42:55,381 WARN L191 SmtUtils]: Spent 915.00 ms on a formula simplification that was a NOOP. DAG size: 1270 [2019-10-07 14:42:56,305 WARN L191 SmtUtils]: Spent 920.00 ms on a formula simplification that was a NOOP. DAG size: 1270 [2019-10-07 14:42:56,569 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 633 [2019-10-07 14:42:57,494 WARN L191 SmtUtils]: Spent 923.00 ms on a formula simplification that was a NOOP. DAG size: 1270 [2019-10-07 14:42:58,429 WARN L191 SmtUtils]: Spent 930.00 ms on a formula simplification that was a NOOP. DAG size: 1272 [2019-10-07 14:42:59,358 WARN L191 SmtUtils]: Spent 925.00 ms on a formula simplification that was a NOOP. DAG size: 1272 [2019-10-07 14:42:59,596 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 633 [2019-10-07 14:43:00,519 WARN L191 SmtUtils]: Spent 921.00 ms on a formula simplification that was a NOOP. DAG size: 1272 [2019-10-07 14:43:00,795 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 14:43:00,796 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 14:43:00,804 INFO L168 Benchmark]: Toolchain (without parser) took 173341.23 ms. Allocated memory was 138.9 MB in the beginning and 548.9 MB in the end (delta: 410.0 MB). Free memory was 100.6 MB in the beginning and 217.4 MB in the end (delta: -116.8 MB). Peak memory consumption was 293.2 MB. Max. memory is 7.1 GB. [2019-10-07 14:43:00,805 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 138.9 MB. Free memory is still 121.8 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-10-07 14:43:00,805 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1222.77 ms. Allocated memory was 138.9 MB in the beginning and 203.4 MB in the end (delta: 64.5 MB). Free memory was 100.6 MB in the beginning and 134.9 MB in the end (delta: -34.2 MB). Peak memory consumption was 35.5 MB. Max. memory is 7.1 GB. [2019-10-07 14:43:00,806 INFO L168 Benchmark]: Boogie Preprocessor took 214.19 ms. Allocated memory is still 203.4 MB. Free memory was 134.9 MB in the beginning and 125.8 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. [2019-10-07 14:43:00,807 INFO L168 Benchmark]: RCFGBuilder took 4522.39 ms. Allocated memory was 203.4 MB in the beginning and 299.9 MB in the end (delta: 96.5 MB). Free memory was 125.8 MB in the beginning and 87.0 MB in the end (delta: 38.8 MB). Peak memory consumption was 135.3 MB. Max. memory is 7.1 GB. [2019-10-07 14:43:00,807 INFO L168 Benchmark]: TraceAbstraction took 167377.36 ms. Allocated memory was 299.9 MB in the beginning and 548.9 MB in the end (delta: 249.0 MB). Free memory was 87.0 MB in the beginning and 217.4 MB in the end (delta: -130.4 MB). Peak memory consumption was 118.6 MB. Max. memory is 7.1 GB. [2019-10-07 14:43:00,810 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 138.9 MB. Free memory is still 121.8 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1222.77 ms. Allocated memory was 138.9 MB in the beginning and 203.4 MB in the end (delta: 64.5 MB). Free memory was 100.6 MB in the beginning and 134.9 MB in the end (delta: -34.2 MB). Peak memory consumption was 35.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 214.19 ms. Allocated memory is still 203.4 MB. Free memory was 134.9 MB in the beginning and 125.8 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4522.39 ms. Allocated memory was 203.4 MB in the beginning and 299.9 MB in the end (delta: 96.5 MB). Free memory was 125.8 MB in the beginning and 87.0 MB in the end (delta: 38.8 MB). Peak memory consumption was 135.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 167377.36 ms. Allocated memory was 299.9 MB in the beginning and 548.9 MB in the end (delta: 249.0 MB). Free memory was 87.0 MB in the beginning and 217.4 MB in the end (delta: -130.4 MB). Peak memory consumption was 118.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:295) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...