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_product25.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 14:40:06,221 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 14:40:06,223 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 14:40:06,236 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 14:40:06,237 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 14:40:06,238 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 14:40:06,239 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 14:40:06,241 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 14:40:06,243 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 14:40:06,244 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 14:40:06,245 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 14:40:06,246 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 14:40:06,246 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 14:40:06,247 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 14:40:06,248 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 14:40:06,249 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 14:40:06,250 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 14:40:06,251 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 14:40:06,253 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 14:40:06,255 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 14:40:06,256 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 14:40:06,258 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 14:40:06,259 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 14:40:06,260 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 14:40:06,262 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 14:40:06,262 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 14:40:06,262 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 14:40:06,263 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 14:40:06,264 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 14:40:06,265 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 14:40:06,265 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 14:40:06,266 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 14:40:06,266 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 14:40:06,267 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 14:40:06,268 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 14:40:06,268 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 14:40:06,269 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 14:40:06,269 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 14:40:06,270 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 14:40:06,271 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 14:40:06,271 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 14:40:06,272 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 14:40:06,287 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 14:40:06,287 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 14:40:06,288 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 14:40:06,289 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 14:40:06,289 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 14:40:06,289 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 14:40:06,289 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 14:40:06,289 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 14:40:06,290 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 14:40:06,290 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 14:40:06,290 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 14:40:06,290 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 14:40:06,290 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 14:40:06,291 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 14:40:06,291 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 14:40:06,291 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 14:40:06,291 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 14:40:06,291 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 14:40:06,292 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 14:40:06,292 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 14:40:06,292 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 14:40:06,292 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 14:40:06,293 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 14:40:06,293 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 14:40:06,293 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 14:40:06,293 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 14:40:06,293 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 14:40:06,294 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 14:40:06,294 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 14:40:06,600 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 14:40:06,614 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 14:40:06,618 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 14:40:06,619 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 14:40:06,620 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 14:40:06,621 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec0_product25.cil.c [2019-10-07 14:40:06,686 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e93f6e0d/dc3f46c679054e668d714d233eb98ec7/FLAG9860b1260 [2019-10-07 14:40:07,281 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 14:40:07,282 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec0_product25.cil.c [2019-10-07 14:40:07,315 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e93f6e0d/dc3f46c679054e668d714d233eb98ec7/FLAG9860b1260 [2019-10-07 14:40:07,572 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e93f6e0d/dc3f46c679054e668d714d233eb98ec7 [2019-10-07 14:40:07,583 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 14:40:07,584 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 14:40:07,585 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 14:40:07,586 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 14:40:07,589 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 14:40:07,590 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:40:07" (1/1) ... [2019-10-07 14:40:07,593 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67df4a77 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 14:40:07,594 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:40:07" (1/1) ... [2019-10-07 14:40:07,602 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 14:40:07,666 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 14:40:08,467 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:40:08,491 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 14:40:08,589 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:40:08,676 INFO L192 MainTranslator]: Completed translation [2019-10-07 14:40:08,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:40:08 WrapperNode [2019-10-07 14:40:08,677 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 14:40:08,678 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 14:40:08,678 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 14:40:08,678 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 14:40:08,693 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 14:40:08,693 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 14:40:08,732 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 14:40:08,733 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 14:40:08,819 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 14:40:08,860 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 14:40:08,883 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 14:40:08,902 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 14:40:08,903 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 14:40:08,903 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 14:40:08,903 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 14:40:08,904 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 14:40:08,985 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__AddressBook [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 14:40:08,989 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-07 14:40:08,990 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-10-07 14:40:08,990 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-07 14:40:08,991 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-07 14:40:08,991 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-07 14:40:08,991 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-07 14:40:08,992 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-07 14:40:08,992 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-07 14:40:08,994 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-07 14:40:08,994 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-07 14:40:08,994 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-07 14:40:08,995 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-07 14:40:08,995 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-07 14:40:08,995 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-07 14:40:08,995 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-07 14:40:08,996 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-07 14:40:08,996 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-07 14:40:08,996 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-07 14:40:08,996 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-07 14:40:08,996 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-07 14:40:08,997 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-07 14:40:08,997 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-07 14:40:08,997 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-07 14:40:08,997 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-07 14:40:08,998 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-07 14:40:08,998 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-07 14:40:08,998 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-07 14:40:08,998 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-07 14:40:08,999 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-07 14:40:08,999 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-07 14:40:09,000 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-07 14:40:09,000 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-07 14:40:09,000 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-07 14:40:09,001 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-07 14:40:09,001 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-07 14:40:09,001 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-07 14:40:09,001 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-07 14:40:09,002 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-07 14:40:09,002 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-07 14:40:09,002 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-07 14:40:09,002 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-07 14:40:09,003 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-07 14:40:09,003 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-07 14:40:09,003 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-07 14:40:09,003 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-07 14:40:09,003 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-07 14:40:09,004 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-07 14:40:09,004 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-07 14:40:09,004 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-07 14:40:09,004 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-07 14:40:09,005 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-07 14:40:09,005 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-07 14:40:09,006 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 14:40:09,006 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 14:40:09,007 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-07 14:40:09,007 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-07 14:40:09,007 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-07 14:40:09,007 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-07 14:40:09,007 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-07 14:40:09,008 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-07 14:40:09,008 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-07 14:40:09,008 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-07 14:40:09,008 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-07 14:40:09,008 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-07 14:40:09,009 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-07 14:40:09,009 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptForward_spec__1 [2019-10-07 14:40:09,010 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 14:40:09,010 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 14:40:09,010 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2019-10-07 14:40:09,010 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2019-10-07 14:40:09,011 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-07 14:40:09,011 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-07 14:40:09,012 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-07 14:40:09,012 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-07 14:40:09,012 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 14:40:09,012 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 14:40:09,012 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 14:40:09,012 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 14:40:09,012 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 14:40:09,014 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 14:40:09,014 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 14:40:09,014 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 14:40:09,014 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 14:40:09,015 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-07 14:40:09,015 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-07 14:40:09,015 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-07 14:40:09,015 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-07 14:40:09,015 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-07 14:40:09,016 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-07 14:40:09,016 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-07 14:40:09,016 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-07 14:40:09,016 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-07 14:40:09,016 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-07 14:40:09,017 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-07 14:40:09,017 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-07 14:40:09,017 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-07 14:40:09,017 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-07 14:40:09,017 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-07 14:40:09,018 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-07 14:40:09,018 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-07 14:40:09,018 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-07 14:40:09,018 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-07 14:40:09,018 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-07 14:40:09,019 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-07 14:40:09,019 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-07 14:40:09,019 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 14:40:09,020 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 14:40:09,020 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 14:40:09,020 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-07 14:40:09,020 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-07 14:40:09,021 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-07 14:40:09,021 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-07 14:40:09,025 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-07 14:40:09,025 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-07 14:40:09,026 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-07 14:40:09,027 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-07 14:40:09,027 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-07 14:40:09,027 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-07 14:40:09,027 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-07 14:40:09,027 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-07 14:40:09,028 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-07 14:40:09,028 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-07 14:40:09,028 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-07 14:40:09,029 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-07 14:40:09,029 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-07 14:40:09,032 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-07 14:40:09,032 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-07 14:40:09,033 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-07 14:40:09,033 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-07 14:40:09,033 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-07 14:40:09,034 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-07 14:40:09,034 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-07 14:40:09,034 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-07 14:40:09,034 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-07 14:40:09,035 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-07 14:40:09,042 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-07 14:40:09,043 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-07 14:40:09,043 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-07 14:40:09,043 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-07 14:40:09,043 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-07 14:40:09,044 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-07 14:40:09,044 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-07 14:40:09,044 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-07 14:40:09,045 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-07 14:40:09,045 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-07 14:40:09,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 14:40:09,046 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-07 14:40:09,046 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2019-10-07 14:40:09,046 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-07 14:40:09,046 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-10-07 14:40:09,046 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptForward_spec__1 [2019-10-07 14:40:09,047 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-07 14:40:09,047 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-07 14:40:09,047 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-07 14:40:09,047 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-07 14:40:09,047 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-07 14:40:09,047 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-07 14:40:09,047 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-07 14:40:09,048 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-07 14:40:09,048 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-07 14:40:09,048 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-07 14:40:09,048 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-07 14:40:09,048 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-07 14:40:09,048 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-07 14:40:09,048 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-07 14:40:09,049 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-07 14:40:09,049 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-07 14:40:09,049 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-07 14:40:09,049 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-07 14:40:09,049 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-07 14:40:09,050 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-07 14:40:09,050 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-07 14:40:09,050 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 14:40:09,050 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 14:40:09,050 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 14:40:09,050 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-07 14:40:09,050 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-07 14:40:09,050 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-07 14:40:09,051 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-07 14:40:09,051 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-07 14:40:09,051 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 14:40:09,051 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 14:40:09,051 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 14:40:09,052 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-07 14:40:09,052 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-07 14:40:09,052 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-07 14:40:09,052 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-07 14:40:09,052 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-07 14:40:09,052 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-07 14:40:09,052 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-07 14:40:09,052 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-07 14:40:09,053 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-07 14:40:09,053 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-07 14:40:09,053 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-07 14:40:09,053 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-07 14:40:09,053 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-07 14:40:09,053 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-07 14:40:09,054 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 14:40:09,054 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-07 14:40:09,054 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-07 14:40:09,054 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-07 14:40:09,054 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2019-10-07 14:40:09,055 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2019-10-07 14:40:09,055 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 14:40:09,055 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 14:40:09,055 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 14:40:09,055 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 14:40:09,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 14:40:09,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 14:40:09,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 14:40:09,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 14:40:09,056 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 14:40:09,057 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 14:40:09,057 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 14:40:09,057 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 14:40:09,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 14:40:09,057 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 14:40:09,058 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 14:40:09,058 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 14:40:09,058 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 14:40:09,058 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-07 14:40:09,058 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-07 14:40:09,059 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-07 14:40:09,059 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-07 14:40:09,059 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-07 14:40:09,059 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-07 14:40:09,060 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-07 14:40:09,060 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-07 14:40:09,060 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-07 14:40:09,060 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-07 14:40:09,061 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-07 14:40:09,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 14:40:09,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 14:40:09,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 14:40:13,971 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 14:40:13,971 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-07 14:40:13,975 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:40:13 BoogieIcfgContainer [2019-10-07 14:40:13,975 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 14:40:13,976 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 14:40:13,976 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 14:40:13,980 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 14:40:13,980 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 02:40:07" (1/3) ... [2019-10-07 14:40:13,981 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48060d83 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 14:40:13,981 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 14:40:13,982 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48060d83 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 14:40:13,982 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 14:40:13,984 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec0_product25.cil.c [2019-10-07 14:40:13,995 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 14:40:14,006 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 14:40:14,019 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 14:40:14,064 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 14:40:14,065 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 14:40:14,070 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 14:40:14,070 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 14:40:14,071 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 14:40:14,071 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 14:40:14,071 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 14:40:14,071 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 14:40:14,111 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states. [2019-10-07 14:40:14,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2019-10-07 14:40:14,146 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:40:14,148 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] [2019-10-07 14:40:14,150 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:40:14,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:40:14,156 INFO L82 PathProgramCache]: Analyzing trace with hash 1160413277, now seen corresponding path program 1 times [2019-10-07 14:40:14,164 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:40:14,165 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:40:14,165 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:40:14,165 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:40:14,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:40:14,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:40:14,897 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 14:40:14,898 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:40:14,899 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:40:14,899 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 14:40:14,904 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 14:40:14,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 14:40:14,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 14:40:14,921 INFO L87 Difference]: Start difference. First operand 401 states. Second operand 2 states. [2019-10-07 14:40:14,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:40:14,987 INFO L93 Difference]: Finished difference Result 584 states and 688 transitions. [2019-10-07 14:40:14,987 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 14:40:14,989 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 154 [2019-10-07 14:40:14,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:40:15,008 INFO L225 Difference]: With dead ends: 584 [2019-10-07 14:40:15,008 INFO L226 Difference]: Without dead ends: 374 [2019-10-07 14:40:15,014 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 14:40:15,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2019-10-07 14:40:15,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 374. [2019-10-07 14:40:15,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 374 states. [2019-10-07 14:40:15,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 437 transitions. [2019-10-07 14:40:15,097 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 437 transitions. Word has length 154 [2019-10-07 14:40:15,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:40:15,100 INFO L462 AbstractCegarLoop]: Abstraction has 374 states and 437 transitions. [2019-10-07 14:40:15,100 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 14:40:15,100 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 437 transitions. [2019-10-07 14:40:15,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-10-07 14:40:15,105 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:40:15,105 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] [2019-10-07 14:40:15,106 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:40:15,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:40:15,106 INFO L82 PathProgramCache]: Analyzing trace with hash 89801268, now seen corresponding path program 1 times [2019-10-07 14:40:15,107 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:40:15,107 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:40:15,107 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:40:15,107 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:40:15,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:40:15,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:40:15,412 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 14:40:15,412 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:40:15,413 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:40:15,413 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:40:15,415 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:40:15,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:40:15,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:40:15,416 INFO L87 Difference]: Start difference. First operand 374 states and 437 transitions. Second operand 3 states. [2019-10-07 14:40:15,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:40:15,485 INFO L93 Difference]: Finished difference Result 569 states and 654 transitions. [2019-10-07 14:40:15,485 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:40:15,486 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 155 [2019-10-07 14:40:15,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:40:15,493 INFO L225 Difference]: With dead ends: 569 [2019-10-07 14:40:15,498 INFO L226 Difference]: Without dead ends: 376 [2019-10-07 14:40:15,500 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 14:40:15,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2019-10-07 14:40:15,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 376. [2019-10-07 14:40:15,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 376 states. [2019-10-07 14:40:15,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 439 transitions. [2019-10-07 14:40:15,537 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 439 transitions. Word has length 155 [2019-10-07 14:40:15,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:40:15,538 INFO L462 AbstractCegarLoop]: Abstraction has 376 states and 439 transitions. [2019-10-07 14:40:15,538 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:40:15,538 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 439 transitions. [2019-10-07 14:40:15,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2019-10-07 14:40:15,542 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:40:15,543 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] [2019-10-07 14:40:15,543 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:40:15,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:40:15,544 INFO L82 PathProgramCache]: Analyzing trace with hash 1609698968, now seen corresponding path program 1 times [2019-10-07 14:40:15,545 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:40:15,545 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:40:15,545 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:40:15,545 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:40:15,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:40:15,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:40:15,838 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 14:40:15,838 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:40:15,838 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:40:15,839 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:40:15,841 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:40:15,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:40:15,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:40:15,841 INFO L87 Difference]: Start difference. First operand 376 states and 439 transitions. Second operand 3 states. [2019-10-07 14:40:15,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:40:15,903 INFO L93 Difference]: Finished difference Result 736 states and 888 transitions. [2019-10-07 14:40:15,904 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:40:15,904 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 160 [2019-10-07 14:40:15,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:40:15,913 INFO L225 Difference]: With dead ends: 736 [2019-10-07 14:40:15,914 INFO L226 Difference]: Without dead ends: 418 [2019-10-07 14:40:15,917 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 14:40:15,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2019-10-07 14:40:15,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 417. [2019-10-07 14:40:15,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 417 states. [2019-10-07 14:40:15,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 510 transitions. [2019-10-07 14:40:15,969 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 510 transitions. Word has length 160 [2019-10-07 14:40:15,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:40:15,970 INFO L462 AbstractCegarLoop]: Abstraction has 417 states and 510 transitions. [2019-10-07 14:40:15,970 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:40:15,970 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 510 transitions. [2019-10-07 14:40:15,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2019-10-07 14:40:15,974 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:40:15,975 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] [2019-10-07 14:40:15,975 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:40:15,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:40:15,976 INFO L82 PathProgramCache]: Analyzing trace with hash -1192696255, now seen corresponding path program 1 times [2019-10-07 14:40:15,976 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:40:15,976 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:40:15,976 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:40:15,976 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:40:15,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:40:16,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:40:16,269 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-10-07 14:40:16,269 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:40:16,270 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 14:40:16,270 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 14:40:16,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:40:16,959 INFO L256 TraceCheckSpWp]: Trace formula consists of 2759 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-07 14:40:16,976 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 14:40:17,065 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 14:40:17,065 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 14:40:17,312 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 14:40:17,313 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 14:40:17,343 INFO L162 IcfgInterpreter]: Started Sifa with 146 locations of interest [2019-10-07 14:40:17,343 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 14:40:17,350 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 14:40:17,360 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 14:40:17,361 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 14:41:09,795 WARN L191 SmtUtils]: Spent 470.00 ms on a formula simplification that was a NOOP. DAG size: 675 [2019-10-07 14:41:13,725 WARN L191 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 309 DAG size of output: 251 [2019-10-07 14:41:14,074 WARN L191 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 717 [2019-10-07 14:41:14,363 WARN L191 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 717 [2019-10-07 14:41:14,636 WARN L191 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 717 [2019-10-07 14:41:14,781 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 444 [2019-10-07 14:41:15,381 WARN L191 SmtUtils]: Spent 598.00 ms on a formula simplification that was a NOOP. DAG size: 1011 [2019-10-07 14:41:16,058 WARN L191 SmtUtils]: Spent 655.00 ms on a formula simplification that was a NOOP. DAG size: 1011 [2019-10-07 14:41:16,665 WARN L191 SmtUtils]: Spent 603.00 ms on a formula simplification that was a NOOP. DAG size: 1011 [2019-10-07 14:41:16,822 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 444 [2019-10-07 14:41:17,438 WARN L191 SmtUtils]: Spent 614.00 ms on a formula simplification that was a NOOP. DAG size: 1011 [2019-10-07 14:41:18,647 WARN L191 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 1013 DAG size of output: 1011 [2019-10-07 14:41:19,242 WARN L191 SmtUtils]: Spent 592.00 ms on a formula simplification that was a NOOP. DAG size: 1011 [2019-10-07 14:41:19,414 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 444 [2019-10-07 14:41:19,992 WARN L191 SmtUtils]: Spent 576.00 ms on a formula simplification that was a NOOP. DAG size: 1011 [2019-10-07 14:41:20,644 WARN L191 SmtUtils]: Spent 649.00 ms on a formula simplification that was a NOOP. DAG size: 1011 [2019-10-07 14:41:21,252 WARN L191 SmtUtils]: Spent 605.00 ms on a formula simplification that was a NOOP. DAG size: 1011 [2019-10-07 14:41:21,384 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 444 [2019-10-07 14:41:21,961 WARN L191 SmtUtils]: Spent 575.00 ms on a formula simplification that was a NOOP. DAG size: 1011 [2019-10-07 14:41:21,990 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 553 for LOIs [2019-10-07 14:41:22,314 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 642 [2019-10-07 14:41:22,448 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 642 [2019-10-07 14:41:22,571 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 444 [2019-10-07 14:41:23,009 WARN L191 SmtUtils]: Spent 436.00 ms on a formula simplification that was a NOOP. DAG size: 936 [2019-10-07 14:41:23,011 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1067 for LOIs [2019-10-07 14:41:23,595 WARN L191 SmtUtils]: Spent 583.00 ms on a formula simplification that was a NOOP. DAG size: 1067 [2019-10-07 14:41:24,166 WARN L191 SmtUtils]: Spent 566.00 ms on a formula simplification that was a NOOP. DAG size: 1067 [2019-10-07 14:41:24,410 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 627 [2019-10-07 14:41:25,371 WARN L191 SmtUtils]: Spent 959.00 ms on a formula simplification that was a NOOP. DAG size: 1255 [2019-10-07 14:41:25,974 WARN L191 SmtUtils]: Spent 585.00 ms on a formula simplification that was a NOOP. DAG size: 1073 [2019-10-07 14:41:26,563 WARN L191 SmtUtils]: Spent 584.00 ms on a formula simplification that was a NOOP. DAG size: 1073 [2019-10-07 14:41:26,883 WARN L191 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 633 [2019-10-07 14:41:27,852 WARN L191 SmtUtils]: Spent 968.00 ms on a formula simplification that was a NOOP. DAG size: 1261 [2019-10-07 14:41:28,492 WARN L191 SmtUtils]: Spent 598.00 ms on a formula simplification that was a NOOP. DAG size: 1073 [2019-10-07 14:41:29,074 WARN L191 SmtUtils]: Spent 578.00 ms on a formula simplification that was a NOOP. DAG size: 1073 [2019-10-07 14:41:29,321 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 633 [2019-10-07 14:41:30,283 WARN L191 SmtUtils]: Spent 960.00 ms on a formula simplification that was a NOOP. DAG size: 1261 [2019-10-07 14:41:31,183 WARN L191 SmtUtils]: Spent 871.00 ms on a formula simplification. DAG size of input: 1263 DAG size of output: 1073 [2019-10-07 14:41:31,769 WARN L191 SmtUtils]: Spent 582.00 ms on a formula simplification that was a NOOP. DAG size: 1073 [2019-10-07 14:41:32,097 WARN L191 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 633 [2019-10-07 14:41:33,068 WARN L191 SmtUtils]: Spent 969.00 ms on a formula simplification that was a NOOP. DAG size: 1261 [2019-10-07 14:41:33,720 WARN L191 SmtUtils]: Spent 630.00 ms on a formula simplification that was a NOOP. DAG size: 1073 [2019-10-07 14:41:34,300 WARN L191 SmtUtils]: Spent 577.00 ms on a formula simplification that was a NOOP. DAG size: 1073 [2019-10-07 14:41:34,542 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 633 [2019-10-07 14:41:35,513 WARN L191 SmtUtils]: Spent 970.00 ms on a formula simplification that was a NOOP. DAG size: 1261 [2019-10-07 14:41:36,096 WARN L191 SmtUtils]: Spent 579.00 ms on a formula simplification that was a NOOP. DAG size: 1073 [2019-10-07 14:41:36,689 WARN L191 SmtUtils]: Spent 590.00 ms on a formula simplification that was a NOOP. DAG size: 1073 [2019-10-07 14:41:36,942 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 633 [2019-10-07 14:41:37,936 WARN L191 SmtUtils]: Spent 992.00 ms on a formula simplification that was a NOOP. DAG size: 1261 [2019-10-07 14:41:38,520 WARN L191 SmtUtils]: Spent 580.00 ms on a formula simplification that was a NOOP. DAG size: 1073 [2019-10-07 14:41:39,104 WARN L191 SmtUtils]: Spent 581.00 ms on a formula simplification that was a NOOP. DAG size: 1073 [2019-10-07 14:41:39,353 WARN L191 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 633 [2019-10-07 14:41:40,309 WARN L191 SmtUtils]: Spent 954.00 ms on a formula simplification that was a NOOP. DAG size: 1261 [2019-10-07 14:41:40,928 WARN L191 SmtUtils]: Spent 615.00 ms on a formula simplification that was a NOOP. DAG size: 1073 [2019-10-07 14:41:41,530 WARN L191 SmtUtils]: Spent 598.00 ms on a formula simplification that was a NOOP. DAG size: 1073 [2019-10-07 14:41:41,792 WARN L191 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 633 [2019-10-07 14:41:42,769 WARN L191 SmtUtils]: Spent 975.00 ms on a formula simplification that was a NOOP. DAG size: 1261 [2019-10-07 14:41:43,359 WARN L191 SmtUtils]: Spent 586.00 ms on a formula simplification that was a NOOP. DAG size: 1073 [2019-10-07 14:41:43,955 WARN L191 SmtUtils]: Spent 592.00 ms on a formula simplification that was a NOOP. DAG size: 1073 [2019-10-07 14:41:44,200 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 633 [2019-10-07 14:41:45,167 WARN L191 SmtUtils]: Spent 965.00 ms on a formula simplification that was a NOOP. DAG size: 1261 [2019-10-07 14:41:45,754 WARN L191 SmtUtils]: Spent 584.00 ms on a formula simplification that was a NOOP. DAG size: 1073 [2019-10-07 14:41:46,346 WARN L191 SmtUtils]: Spent 589.00 ms on a formula simplification that was a NOOP. DAG size: 1073 [2019-10-07 14:41:46,595 WARN L191 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 633 [2019-10-07 14:41:47,580 WARN L191 SmtUtils]: Spent 983.00 ms on a formula simplification that was a NOOP. DAG size: 1261 [2019-10-07 14:41:48,172 WARN L191 SmtUtils]: Spent 589.00 ms on a formula simplification that was a NOOP. DAG size: 1073 [2019-10-07 14:41:48,767 WARN L191 SmtUtils]: Spent 591.00 ms on a formula simplification that was a NOOP. DAG size: 1073 [2019-10-07 14:41:49,011 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 633 [2019-10-07 14:41:49,984 WARN L191 SmtUtils]: Spent 971.00 ms on a formula simplification that was a NOOP. DAG size: 1261 [2019-10-07 14:41:50,574 WARN L191 SmtUtils]: Spent 586.00 ms on a formula simplification that was a NOOP. DAG size: 1073 [2019-10-07 14:41:51,165 WARN L191 SmtUtils]: Spent 588.00 ms on a formula simplification that was a NOOP. DAG size: 1073 [2019-10-07 14:41:51,421 WARN L191 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 633 [2019-10-07 14:41:52,397 WARN L191 SmtUtils]: Spent 974.00 ms on a formula simplification that was a NOOP. DAG size: 1261 [2019-10-07 14:41:52,991 WARN L191 SmtUtils]: Spent 591.00 ms on a formula simplification that was a NOOP. DAG size: 1073 [2019-10-07 14:41:53,595 WARN L191 SmtUtils]: Spent 600.00 ms on a formula simplification that was a NOOP. DAG size: 1073 [2019-10-07 14:41:53,840 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 633 [2019-10-07 14:41:54,842 WARN L191 SmtUtils]: Spent 1000.00 ms on a formula simplification that was a NOOP. DAG size: 1261 [2019-10-07 14:41:55,913 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 1261 [2019-10-07 14:41:56,895 WARN L191 SmtUtils]: Spent 978.00 ms on a formula simplification that was a NOOP. DAG size: 1261 [2019-10-07 14:41:57,180 WARN L191 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 633 [2019-10-07 14:41:58,149 WARN L191 SmtUtils]: Spent 967.00 ms on a formula simplification that was a NOOP. DAG size: 1261 [2019-10-07 14:42:00,048 WARN L191 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 1263 DAG size of output: 1261 [2019-10-07 14:42:01,040 WARN L191 SmtUtils]: Spent 988.00 ms on a formula simplification that was a NOOP. DAG size: 1261 [2019-10-07 14:42:01,305 WARN L191 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 633 [2019-10-07 14:42:02,299 WARN L191 SmtUtils]: Spent 991.00 ms on a formula simplification that was a NOOP. DAG size: 1261 [2019-10-07 14:42:03,297 WARN L191 SmtUtils]: Spent 994.00 ms on a formula simplification that was a NOOP. DAG size: 1261 [2019-10-07 14:42:04,314 WARN L191 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 1261 [2019-10-07 14:42:04,561 WARN L191 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 633 [2019-10-07 14:42:05,580 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 1261 [2019-10-07 14:42:06,633 WARN L191 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 1263 [2019-10-07 14:42:07,628 WARN L191 SmtUtils]: Spent 991.00 ms on a formula simplification that was a NOOP. DAG size: 1263 [2019-10-07 14:42:07,888 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 636 [2019-10-07 14:42:08,888 WARN L191 SmtUtils]: Spent 997.00 ms on a formula simplification that was a NOOP. DAG size: 1265 [2019-10-07 14:42:10,580 WARN L191 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 1267 DAG size of output: 1263 [2019-10-07 14:42:11,586 WARN L191 SmtUtils]: Spent 1.00 s on a formula simplification that was a NOOP. DAG size: 1263 [2019-10-07 14:42:11,853 WARN L191 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 636 [2019-10-07 14:42:12,864 WARN L191 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 1265 [2019-10-07 14:42:13,868 WARN L191 SmtUtils]: Spent 1000.00 ms on a formula simplification that was a NOOP. DAG size: 1263 [2019-10-07 14:42:14,854 WARN L191 SmtUtils]: Spent 981.00 ms on a formula simplification that was a NOOP. DAG size: 1263 [2019-10-07 14:42:15,113 WARN L191 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 636 [2019-10-07 14:42:16,104 WARN L191 SmtUtils]: Spent 988.00 ms on a formula simplification that was a NOOP. DAG size: 1265 [2019-10-07 14:42:17,722 WARN L191 SmtUtils]: Spent 1.61 s on a formula simplification that was a NOOP. DAG size: 1268 [2019-10-07 14:42:18,716 WARN L191 SmtUtils]: Spent 990.00 ms on a formula simplification that was a NOOP. DAG size: 1268 [2019-10-07 14:42:18,977 WARN L191 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 636 [2019-10-07 14:42:19,978 WARN L191 SmtUtils]: Spent 999.00 ms on a formula simplification that was a NOOP. DAG size: 1268 [2019-10-07 14:42:20,982 WARN L191 SmtUtils]: Spent 1000.00 ms on a formula simplification that was a NOOP. DAG size: 1270 [2019-10-07 14:42:21,990 WARN L191 SmtUtils]: Spent 1.00 s on a formula simplification that was a NOOP. DAG size: 1270 [2019-10-07 14:42:22,242 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 636 [2019-10-07 14:42:23,243 WARN L191 SmtUtils]: Spent 999.00 ms on a formula simplification that was a NOOP. DAG size: 1270 [2019-10-07 14:42:25,855 WARN L191 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 1263 DAG size of output: 1261 [2019-10-07 14:42:26,842 WARN L191 SmtUtils]: Spent 983.00 ms on a formula simplification that was a NOOP. DAG size: 1261 [2019-10-07 14:42:27,103 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 633 [2019-10-07 14:42:28,098 WARN L191 SmtUtils]: Spent 993.00 ms on a formula simplification that was a NOOP. DAG size: 1261 [2019-10-07 14:42:29,901 WARN L191 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 1263 DAG size of output: 1261 [2019-10-07 14:42:30,903 WARN L191 SmtUtils]: Spent 997.00 ms on a formula simplification that was a NOOP. DAG size: 1261 [2019-10-07 14:42:31,170 WARN L191 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 633 [2019-10-07 14:42:32,158 WARN L191 SmtUtils]: Spent 986.00 ms on a formula simplification that was a NOOP. DAG size: 1261 [2019-10-07 14:42:33,142 WARN L191 SmtUtils]: Spent 979.00 ms on a formula simplification that was a NOOP. DAG size: 1261 [2019-10-07 14:42:34,113 WARN L191 SmtUtils]: Spent 967.00 ms on a formula simplification that was a NOOP. DAG size: 1261 [2019-10-07 14:42:34,362 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 633 [2019-10-07 14:42:35,348 WARN L191 SmtUtils]: Spent 983.00 ms on a formula simplification that was a NOOP. DAG size: 1261 [2019-10-07 14:42:37,192 WARN L191 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 1263 DAG size of output: 1261 [2019-10-07 14:42:38,190 WARN L191 SmtUtils]: Spent 993.00 ms on a formula simplification that was a NOOP. DAG size: 1261 [2019-10-07 14:42:38,446 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 633 [2019-10-07 14:42:39,430 WARN L191 SmtUtils]: Spent 981.00 ms on a formula simplification that was a NOOP. DAG size: 1261 [2019-10-07 14:42:41,231 WARN L191 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 1263 DAG size of output: 1261 [2019-10-07 14:42:42,231 WARN L191 SmtUtils]: Spent 997.00 ms on a formula simplification that was a NOOP. DAG size: 1261 [2019-10-07 14:42:42,494 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 633 [2019-10-07 14:42:43,479 WARN L191 SmtUtils]: Spent 983.00 ms on a formula simplification that was a NOOP. DAG size: 1261 [2019-10-07 14:42:44,468 WARN L191 SmtUtils]: Spent 985.00 ms on a formula simplification that was a NOOP. DAG size: 1261 [2019-10-07 14:42:45,453 WARN L191 SmtUtils]: Spent 981.00 ms on a formula simplification that was a NOOP. DAG size: 1261 [2019-10-07 14:42:45,699 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 633 [2019-10-07 14:42:46,678 WARN L191 SmtUtils]: Spent 977.00 ms on a formula simplification that was a NOOP. DAG size: 1261 [2019-10-07 14:42:48,420 WARN L191 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 1267 DAG size of output: 1263 [2019-10-07 14:42:49,399 WARN L191 SmtUtils]: Spent 975.00 ms on a formula simplification that was a NOOP. DAG size: 1263 [2019-10-07 14:42:49,656 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 636 [2019-10-07 14:42:50,660 WARN L191 SmtUtils]: Spent 1.00 s on a formula simplification that was a NOOP. DAG size: 1265 [2019-10-07 14:42:51,670 WARN L191 SmtUtils]: Spent 993.00 ms on a formula simplification that was a NOOP. DAG size: 1265 [2019-10-07 14:42:52,668 WARN L191 SmtUtils]: Spent 993.00 ms on a formula simplification that was a NOOP. DAG size: 1265 [2019-10-07 14:42:52,925 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 636 [2019-10-07 14:42:53,930 WARN L191 SmtUtils]: Spent 1.00 s on a formula simplification that was a NOOP. DAG size: 1265 [2019-10-07 14:42:55,590 WARN L191 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 1267 DAG size of output: 1263 [2019-10-07 14:42:56,570 WARN L191 SmtUtils]: Spent 976.00 ms on a formula simplification that was a NOOP. DAG size: 1263 [2019-10-07 14:42:56,826 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 636 [2019-10-07 14:42:57,828 WARN L191 SmtUtils]: Spent 1000.00 ms on a formula simplification that was a NOOP. DAG size: 1265 [2019-10-07 14:42:58,829 WARN L191 SmtUtils]: Spent 993.00 ms on a formula simplification that was a NOOP. DAG size: 1268 [2019-10-07 14:42:59,824 WARN L191 SmtUtils]: Spent 990.00 ms on a formula simplification that was a NOOP. DAG size: 1268 [2019-10-07 14:43:00,084 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 636 [2019-10-07 14:43:01,107 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 1268 [2019-10-07 14:43:02,110 WARN L191 SmtUtils]: Spent 999.00 ms on a formula simplification that was a NOOP. DAG size: 1270 [2019-10-07 14:43:03,124 WARN L191 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 1270 [2019-10-07 14:43:03,385 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 636 [2019-10-07 14:43:04,390 WARN L191 SmtUtils]: Spent 1.00 s on a formula simplification that was a NOOP. DAG size: 1270 [2019-10-07 14:43:04,651 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 14:43:04,652 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 14:43:04,659 INFO L168 Benchmark]: Toolchain (without parser) took 177074.69 ms. Allocated memory was 144.7 MB in the beginning and 737.1 MB in the end (delta: 592.4 MB). Free memory was 99.6 MB in the beginning and 619.7 MB in the end (delta: -520.1 MB). Peak memory consumption was 72.4 MB. Max. memory is 7.1 GB. [2019-10-07 14:43:04,659 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 144.7 MB. Free memory is still 120.7 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-10-07 14:43:04,660 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1091.72 ms. Allocated memory was 144.7 MB in the beginning and 203.4 MB in the end (delta: 58.7 MB). Free memory was 99.6 MB in the beginning and 136.2 MB in the end (delta: -36.6 MB). Peak memory consumption was 30.1 MB. Max. memory is 7.1 GB. [2019-10-07 14:43:04,661 INFO L168 Benchmark]: Boogie Preprocessor took 224.77 ms. Allocated memory is still 203.4 MB. Free memory was 136.2 MB in the beginning and 126.7 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2019-10-07 14:43:04,662 INFO L168 Benchmark]: RCFGBuilder took 5072.14 ms. Allocated memory was 203.4 MB in the beginning and 298.8 MB in the end (delta: 95.4 MB). Free memory was 126.7 MB in the beginning and 96.7 MB in the end (delta: 30.0 MB). Peak memory consumption was 125.4 MB. Max. memory is 7.1 GB. [2019-10-07 14:43:04,662 INFO L168 Benchmark]: TraceAbstraction took 170681.02 ms. Allocated memory was 298.8 MB in the beginning and 737.1 MB in the end (delta: 438.3 MB). Free memory was 96.7 MB in the beginning and 619.7 MB in the end (delta: -523.1 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-10-07 14:43:04,665 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 144.7 MB. Free memory is still 120.7 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1091.72 ms. Allocated memory was 144.7 MB in the beginning and 203.4 MB in the end (delta: 58.7 MB). Free memory was 99.6 MB in the beginning and 136.2 MB in the end (delta: -36.6 MB). Peak memory consumption was 30.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 224.77 ms. Allocated memory is still 203.4 MB. Free memory was 136.2 MB in the beginning and 126.7 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 5072.14 ms. Allocated memory was 203.4 MB in the beginning and 298.8 MB in the end (delta: 95.4 MB). Free memory was 126.7 MB in the beginning and 96.7 MB in the end (delta: 30.0 MB). Peak memory consumption was 125.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 170681.02 ms. Allocated memory was 298.8 MB in the beginning and 737.1 MB in the end (delta: 438.3 MB). Free memory was 96.7 MB in the beginning and 619.7 MB in the end (delta: -523.1 MB). There was no memory consumed. 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...