java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/email_spec3_product28.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 14:53:24,361 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 14:53:24,364 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 14:53:24,383 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 14:53:24,383 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 14:53:24,385 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 14:53:24,387 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 14:53:24,395 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 14:53:24,397 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 14:53:24,397 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 14:53:24,398 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 14:53:24,399 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 14:53:24,400 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 14:53:24,400 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 14:53:24,401 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 14:53:24,402 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 14:53:24,403 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 14:53:24,404 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 14:53:24,405 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 14:53:24,407 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 14:53:24,408 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 14:53:24,409 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 14:53:24,410 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 14:53:24,411 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 14:53:24,412 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 14:53:24,413 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 14:53:24,413 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 14:53:24,414 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 14:53:24,414 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 14:53:24,415 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 14:53:24,415 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 14:53:24,416 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 14:53:24,417 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 14:53:24,417 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 14:53:24,419 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 14:53:24,420 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 14:53:24,420 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 14:53:24,421 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 14:53:24,421 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 14:53:24,422 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 14:53:24,422 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 14:53:24,423 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 14:53:24,449 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 14:53:24,450 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 14:53:24,451 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 14:53:24,451 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 14:53:24,451 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 14:53:24,452 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 14:53:24,452 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 14:53:24,452 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 14:53:24,453 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 14:53:24,453 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 14:53:24,453 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 14:53:24,453 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 14:53:24,454 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 14:53:24,454 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 14:53:24,454 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 14:53:24,454 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 14:53:24,454 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 14:53:24,455 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 14:53:24,455 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 14:53:24,455 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 14:53:24,456 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 14:53:24,456 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 14:53:24,457 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 14:53:24,457 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 14:53:24,457 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 14:53:24,457 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 14:53:24,458 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 14:53:24,458 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 14:53:24,458 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 14:53:24,744 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 14:53:24,763 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 14:53:24,767 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 14:53:24,769 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 14:53:24,769 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 14:53:24,770 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec3_product28.cil.c [2019-10-07 14:53:24,833 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e953f1cb/f9504464cd5d4b209172307e1ac0e058/FLAGf8c171a4a [2019-10-07 14:53:25,451 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 14:53:25,452 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec3_product28.cil.c [2019-10-07 14:53:25,480 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e953f1cb/f9504464cd5d4b209172307e1ac0e058/FLAGf8c171a4a [2019-10-07 14:53:25,646 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e953f1cb/f9504464cd5d4b209172307e1ac0e058 [2019-10-07 14:53:25,655 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 14:53:25,657 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 14:53:25,657 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 14:53:25,658 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 14:53:25,660 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 14:53:25,661 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:53:25" (1/1) ... [2019-10-07 14:53:25,664 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56400103 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:53:25, skipping insertion in model container [2019-10-07 14:53:25,664 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:53:25" (1/1) ... [2019-10-07 14:53:25,671 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 14:53:25,745 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 14:53:26,513 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:53:26,546 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 14:53:26,665 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:53:26,750 INFO L192 MainTranslator]: Completed translation [2019-10-07 14:53:26,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:53:26 WrapperNode [2019-10-07 14:53:26,751 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 14:53:26,752 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 14:53:26,752 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 14:53:26,752 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 14:53:26,766 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:53:26" (1/1) ... [2019-10-07 14:53:26,767 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:53:26" (1/1) ... [2019-10-07 14:53:26,818 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:53:26" (1/1) ... [2019-10-07 14:53:26,819 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:53:26" (1/1) ... [2019-10-07 14:53:26,881 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:53:26" (1/1) ... [2019-10-07 14:53:26,904 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:53:26" (1/1) ... [2019-10-07 14:53:26,929 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:53:26" (1/1) ... [2019-10-07 14:53:26,963 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 14:53:26,964 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 14:53:26,964 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 14:53:26,965 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 14:53:26,971 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:53:26" (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 14:53:27,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 14:53:27,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 14:53:27,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 14:53:27,059 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-07 14:53:27,060 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Encrypt [2019-10-07 14:53:27,061 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2019-10-07 14:53:27,061 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-07 14:53:27,062 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-07 14:53:27,062 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-07 14:53:27,062 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-07 14:53:27,062 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-07 14:53:27,063 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignVerify_spec__1 [2019-10-07 14:53:27,063 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignVerify_spec__2 [2019-10-07 14:53:27,064 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 14:53:27,064 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 14:53:27,064 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 14:53:27,066 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 14:53:27,067 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 14:53:27,067 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 14:53:27,068 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 14:53:27,068 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-07 14:53:27,068 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-07 14:53:27,068 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-07 14:53:27,069 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-07 14:53:27,069 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-07 14:53:27,069 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-07 14:53:27,069 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-07 14:53:27,069 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-07 14:53:27,069 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-07 14:53:27,070 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-07 14:53:27,070 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-07 14:53:27,070 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-07 14:53:27,070 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-07 14:53:27,071 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-07 14:53:27,071 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-07 14:53:27,071 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-07 14:53:27,071 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-07 14:53:27,071 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-07 14:53:27,072 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-07 14:53:27,072 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-07 14:53:27,072 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-07 14:53:27,072 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-07 14:53:27,072 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-07 14:53:27,072 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-07 14:53:27,072 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-07 14:53:27,073 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-07 14:53:27,073 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-07 14:53:27,073 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-07 14:53:27,073 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-07 14:53:27,073 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-07 14:53:27,073 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-07 14:53:27,073 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-07 14:53:27,074 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-07 14:53:27,074 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-07 14:53:27,074 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-07 14:53:27,074 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-07 14:53:27,074 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-07 14:53:27,074 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 14:53:27,075 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 14:53:27,075 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-07 14:53:27,076 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-07 14:53:27,076 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-07 14:53:27,076 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-07 14:53:27,076 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-07 14:53:27,076 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-07 14:53:27,076 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-07 14:53:27,076 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-07 14:53:27,077 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-07 14:53:27,077 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-07 14:53:27,077 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-07 14:53:27,077 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-07 14:53:27,077 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-07 14:53:27,077 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-07 14:53:27,078 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-07 14:53:27,078 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-07 14:53:27,078 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-07 14:53:27,079 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-07 14:53:27,079 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-07 14:53:27,079 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-07 14:53:27,079 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-07 14:53:27,080 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-07 14:53:27,080 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-07 14:53:27,080 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-07 14:53:27,080 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-07 14:53:27,081 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-07 14:53:27,081 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-07 14:53:27,081 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-07 14:53:27,082 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-07 14:53:27,082 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-07 14:53:27,082 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 14:53:27,082 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-07 14:53:27,082 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 14:53:27,082 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 14:53:27,082 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 14:53:27,083 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 14:53:27,083 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-07 14:53:27,083 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-07 14:53:27,083 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2019-10-07 14:53:27,083 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-07 14:53:27,083 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-07 14:53:27,083 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-07 14:53:27,084 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-10-07 14:53:27,084 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-07 14:53:27,084 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-07 14:53:27,084 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-07 14:53:27,084 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-07 14:53:27,084 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-07 14:53:27,084 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-07 14:53:27,084 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-07 14:53:27,085 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-07 14:53:27,085 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-07 14:53:27,085 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-07 14:53:27,085 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-07 14:53:27,085 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 14:53:27,085 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 14:53:27,086 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 14:53:27,086 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-07 14:53:27,086 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-07 14:53:27,086 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-07 14:53:27,086 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-07 14:53:27,087 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-07 14:53:27,087 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-07 14:53:27,087 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-07 14:53:27,087 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-07 14:53:27,088 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-07 14:53:27,089 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-07 14:53:27,089 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-07 14:53:27,089 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-07 14:53:27,089 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-07 14:53:27,089 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-07 14:53:27,089 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-07 14:53:27,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 14:53:27,090 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Encrypt [2019-10-07 14:53:27,091 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2019-10-07 14:53:27,093 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-07 14:53:27,094 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 14:53:27,094 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-07 14:53:27,094 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-07 14:53:27,095 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-07 14:53:27,095 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignVerify_spec__1 [2019-10-07 14:53:27,095 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignVerify_spec__2 [2019-10-07 14:53:27,095 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 14:53:27,095 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 14:53:27,096 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 14:53:27,104 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 14:53:27,104 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 14:53:27,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 14:53:27,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 14:53:27,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 14:53:27,105 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 14:53:27,105 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 14:53:27,105 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 14:53:27,105 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 14:53:27,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 14:53:27,105 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 14:53:27,106 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 14:53:27,106 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 14:53:27,106 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-07 14:53:27,106 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-07 14:53:27,109 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-07 14:53:27,110 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-07 14:53:27,110 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-07 14:53:27,110 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-07 14:53:27,110 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-07 14:53:27,110 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-07 14:53:27,110 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-07 14:53:27,110 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-07 14:53:27,111 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-07 14:53:27,111 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-07 14:53:27,111 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-07 14:53:27,111 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-07 14:53:27,111 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-07 14:53:27,111 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-07 14:53:27,111 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-07 14:53:27,112 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-07 14:53:27,112 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-07 14:53:27,112 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-07 14:53:27,112 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-07 14:53:27,112 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-07 14:53:27,112 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-07 14:53:27,112 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-07 14:53:27,113 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-07 14:53:27,113 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-07 14:53:27,113 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-07 14:53:27,113 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-07 14:53:27,113 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 14:53:27,113 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 14:53:27,114 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 14:53:27,114 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-07 14:53:27,114 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-07 14:53:27,114 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-07 14:53:27,114 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-07 14:53:27,115 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-07 14:53:27,115 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-07 14:53:27,115 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-07 14:53:27,115 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-07 14:53:27,115 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-07 14:53:27,115 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-07 14:53:27,115 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-07 14:53:27,116 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 14:53:27,116 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 14:53:27,116 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 14:53:27,116 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-07 14:53:27,116 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-07 14:53:27,116 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-07 14:53:27,116 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-07 14:53:27,117 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-07 14:53:27,117 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-07 14:53:27,117 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-07 14:53:27,117 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-07 14:53:27,117 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-07 14:53:27,117 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-07 14:53:27,117 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-07 14:53:27,118 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-07 14:53:27,118 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-07 14:53:27,118 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-07 14:53:27,118 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-07 14:53:27,118 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-07 14:53:27,118 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-07 14:53:27,118 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-07 14:53:27,119 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-07 14:53:27,119 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-07 14:53:27,119 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-07 14:53:27,119 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-07 14:53:27,119 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-07 14:53:27,119 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-07 14:53:27,120 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 14:53:27,120 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-07 14:53:27,120 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-07 14:53:27,120 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-07 14:53:27,120 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-07 14:53:27,120 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-07 14:53:27,121 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-07 14:53:27,121 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-07 14:53:27,121 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-07 14:53:27,121 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2019-10-07 14:53:27,121 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-07 14:53:27,122 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-10-07 14:53:27,122 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 14:53:27,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 14:53:27,122 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 14:53:31,554 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 14:53:31,555 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-07 14:53:31,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:53:31 BoogieIcfgContainer [2019-10-07 14:53:31,556 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 14:53:31,558 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 14:53:31,558 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 14:53:31,561 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 14:53:31,561 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 02:53:25" (1/3) ... [2019-10-07 14:53:31,562 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a210c5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:53:31, skipping insertion in model container [2019-10-07 14:53:31,562 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:53:26" (2/3) ... [2019-10-07 14:53:31,563 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a210c5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:53:31, skipping insertion in model container [2019-10-07 14:53:31,563 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:53:31" (3/3) ... [2019-10-07 14:53:31,565 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec3_product28.cil.c [2019-10-07 14:53:31,575 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 14:53:31,584 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 14:53:31,596 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 14:53:31,624 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 14:53:31,625 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 14:53:31,625 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 14:53:31,625 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 14:53:31,625 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 14:53:31,625 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 14:53:31,625 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 14:53:31,626 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 14:53:31,653 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states. [2019-10-07 14:53:31,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2019-10-07 14:53:31,670 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:53:31,671 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:53:31,673 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:53:31,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:53:31,679 INFO L82 PathProgramCache]: Analyzing trace with hash 632998782, now seen corresponding path program 1 times [2019-10-07 14:53:31,687 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:53:31,687 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:53:31,688 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:53:31,688 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:53:31,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:53:32,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:53:32,355 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-07 14:53:32,356 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:53:32,356 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:53:32,357 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 14:53:32,363 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 14:53:32,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 14:53:32,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 14:53:32,379 INFO L87 Difference]: Start difference. First operand 384 states. Second operand 2 states. [2019-10-07 14:53:32,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:53:32,441 INFO L93 Difference]: Finished difference Result 541 states and 652 transitions. [2019-10-07 14:53:32,441 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 14:53:32,442 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 152 [2019-10-07 14:53:32,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:53:32,461 INFO L225 Difference]: With dead ends: 541 [2019-10-07 14:53:32,461 INFO L226 Difference]: Without dead ends: 342 [2019-10-07 14:53:32,467 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 14:53:32,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2019-10-07 14:53:32,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 342. [2019-10-07 14:53:32,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 342 states. [2019-10-07 14:53:32,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 408 transitions. [2019-10-07 14:53:32,587 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 408 transitions. Word has length 152 [2019-10-07 14:53:32,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:53:32,589 INFO L462 AbstractCegarLoop]: Abstraction has 342 states and 408 transitions. [2019-10-07 14:53:32,589 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 14:53:32,590 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 408 transitions. [2019-10-07 14:53:32,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2019-10-07 14:53:32,601 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:53:32,602 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:53:32,602 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:53:32,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:53:32,606 INFO L82 PathProgramCache]: Analyzing trace with hash 219187617, now seen corresponding path program 1 times [2019-10-07 14:53:32,606 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:53:32,606 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:53:32,607 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:53:32,607 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:53:32,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:53:32,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:53:32,849 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-07 14:53:32,850 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:53:32,851 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:53:32,851 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:53:32,857 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:53:32,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:53:32,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:53:32,858 INFO L87 Difference]: Start difference. First operand 342 states and 408 transitions. Second operand 3 states. [2019-10-07 14:53:32,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:53:32,923 INFO L93 Difference]: Finished difference Result 526 states and 618 transitions. [2019-10-07 14:53:32,924 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:53:32,924 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 153 [2019-10-07 14:53:32,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:53:32,934 INFO L225 Difference]: With dead ends: 526 [2019-10-07 14:53:32,935 INFO L226 Difference]: Without dead ends: 344 [2019-10-07 14:53:32,940 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 14:53:32,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2019-10-07 14:53:32,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 344. [2019-10-07 14:53:32,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 344 states. [2019-10-07 14:53:32,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 410 transitions. [2019-10-07 14:53:32,970 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 410 transitions. Word has length 153 [2019-10-07 14:53:32,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:53:32,971 INFO L462 AbstractCegarLoop]: Abstraction has 344 states and 410 transitions. [2019-10-07 14:53:32,971 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:53:32,971 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 410 transitions. [2019-10-07 14:53:32,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2019-10-07 14:53:32,974 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:53:32,974 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:53:32,974 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:53:32,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:53:32,975 INFO L82 PathProgramCache]: Analyzing trace with hash 1732661246, now seen corresponding path program 1 times [2019-10-07 14:53:32,975 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:53:32,975 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:53:32,975 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:53:32,976 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:53:32,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:53:33,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:53:33,220 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-07 14:53:33,220 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:53:33,221 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:53:33,221 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:53:33,221 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:53:33,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:53:33,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:53:33,222 INFO L87 Difference]: Start difference. First operand 344 states and 410 transitions. Second operand 3 states. [2019-10-07 14:53:33,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:53:33,270 INFO L93 Difference]: Finished difference Result 668 states and 824 transitions. [2019-10-07 14:53:33,273 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:53:33,273 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 158 [2019-10-07 14:53:33,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:53:33,279 INFO L225 Difference]: With dead ends: 668 [2019-10-07 14:53:33,279 INFO L226 Difference]: Without dead ends: 382 [2019-10-07 14:53:33,281 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 14:53:33,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2019-10-07 14:53:33,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 381. [2019-10-07 14:53:33,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 381 states. [2019-10-07 14:53:33,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 475 transitions. [2019-10-07 14:53:33,317 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 475 transitions. Word has length 158 [2019-10-07 14:53:33,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:53:33,317 INFO L462 AbstractCegarLoop]: Abstraction has 381 states and 475 transitions. [2019-10-07 14:53:33,317 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:53:33,318 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 475 transitions. [2019-10-07 14:53:33,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2019-10-07 14:53:33,321 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:53:33,321 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:53:33,321 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:53:33,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:53:33,322 INFO L82 PathProgramCache]: Analyzing trace with hash 1791054390, now seen corresponding path program 1 times [2019-10-07 14:53:33,322 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:53:33,322 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:53:33,322 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:53:33,322 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:53:33,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:53:33,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:53:33,975 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-10-07 14:53:33,976 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:53:33,976 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:53:33,976 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2019-10-07 14:53:33,977 INFO L442 AbstractCegarLoop]: Interpolant automaton has 25 states [2019-10-07 14:53:33,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2019-10-07 14:53:33,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=538, Unknown=0, NotChecked=0, Total=600 [2019-10-07 14:53:33,978 INFO L87 Difference]: Start difference. First operand 381 states and 475 transitions. Second operand 25 states. [2019-10-07 14:53:46,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:53:46,564 INFO L93 Difference]: Finished difference Result 975 states and 1167 transitions. [2019-10-07 14:53:46,564 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2019-10-07 14:53:46,565 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 159 [2019-10-07 14:53:46,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:53:46,571 INFO L225 Difference]: With dead ends: 975 [2019-10-07 14:53:46,571 INFO L226 Difference]: Without dead ends: 741 [2019-10-07 14:53:46,574 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 681 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=381, Invalid=2811, Unknown=0, NotChecked=0, Total=3192 [2019-10-07 14:53:46,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2019-10-07 14:53:46,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 731. [2019-10-07 14:53:46,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 731 states. [2019-10-07 14:53:46,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 731 states to 731 states and 870 transitions. [2019-10-07 14:53:46,619 INFO L78 Accepts]: Start accepts. Automaton has 731 states and 870 transitions. Word has length 159 [2019-10-07 14:53:46,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:53:46,620 INFO L462 AbstractCegarLoop]: Abstraction has 731 states and 870 transitions. [2019-10-07 14:53:46,620 INFO L463 AbstractCegarLoop]: Interpolant automaton has 25 states. [2019-10-07 14:53:46,620 INFO L276 IsEmpty]: Start isEmpty. Operand 731 states and 870 transitions. [2019-10-07 14:53:46,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2019-10-07 14:53:46,624 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:53:46,624 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:53:46,625 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:53:46,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:53:46,625 INFO L82 PathProgramCache]: Analyzing trace with hash 1078515411, now seen corresponding path program 1 times [2019-10-07 14:53:46,625 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:53:46,625 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:53:46,625 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:53:46,626 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:53:46,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:53:46,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:53:48,795 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-10-07 14:53:48,795 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:53:48,796 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 14:53:48,796 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 14:53:49,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:53:49,310 INFO L256 TraceCheckSpWp]: Trace formula consists of 2644 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-07 14:53:49,326 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 14:53:49,506 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-07 14:53:49,507 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 14:53:49,889 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-07 14:53:49,889 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 14:53:49,925 INFO L162 IcfgInterpreter]: Started Sifa with 148 locations of interest [2019-10-07 14:53:49,925 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 14:53:49,931 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 14:53:49,938 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 14:53:49,939 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 14:54:51,227 WARN L191 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 700 [2019-10-07 14:54:55,398 WARN L191 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 341 DAG size of output: 277 [2019-10-07 14:54:55,781 WARN L191 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 748 [2019-10-07 14:54:56,066 WARN L191 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 748 [2019-10-07 14:54:56,354 WARN L191 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 748 [2019-10-07 14:54:56,525 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 454 [2019-10-07 14:54:57,224 WARN L191 SmtUtils]: Spent 697.00 ms on a formula simplification that was a NOOP. DAG size: 1049 [2019-10-07 14:54:57,882 WARN L191 SmtUtils]: Spent 630.00 ms on a formula simplification that was a NOOP. DAG size: 1049 [2019-10-07 14:54:58,572 WARN L191 SmtUtils]: Spent 686.00 ms on a formula simplification that was a NOOP. DAG size: 1049 [2019-10-07 14:54:58,717 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 454 [2019-10-07 14:54:59,406 WARN L191 SmtUtils]: Spent 686.00 ms on a formula simplification that was a NOOP. DAG size: 1049 [2019-10-07 14:55:00,664 WARN L191 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 1051 DAG size of output: 1049 [2019-10-07 14:55:01,349 WARN L191 SmtUtils]: Spent 681.00 ms on a formula simplification that was a NOOP. DAG size: 1049 [2019-10-07 14:55:01,492 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 454 [2019-10-07 14:55:02,143 WARN L191 SmtUtils]: Spent 649.00 ms on a formula simplification that was a NOOP. DAG size: 1049 [2019-10-07 14:55:02,771 WARN L191 SmtUtils]: Spent 625.00 ms on a formula simplification that was a NOOP. DAG size: 1049 [2019-10-07 14:55:03,430 WARN L191 SmtUtils]: Spent 656.00 ms on a formula simplification that was a NOOP. DAG size: 1049 [2019-10-07 14:55:03,553 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 454 [2019-10-07 14:55:04,171 WARN L191 SmtUtils]: Spent 616.00 ms on a formula simplification that was a NOOP. DAG size: 1049 [2019-10-07 14:55:04,197 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 568 for LOIs [2019-10-07 14:55:04,567 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 665 [2019-10-07 14:55:04,674 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 665 [2019-10-07 14:55:04,810 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 454 [2019-10-07 14:55:05,271 WARN L191 SmtUtils]: Spent 459.00 ms on a formula simplification that was a NOOP. DAG size: 966 [2019-10-07 14:55:05,272 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1084 for LOIs [2019-10-07 14:55:05,927 WARN L191 SmtUtils]: Spent 653.00 ms on a formula simplification that was a NOOP. DAG size: 1084 [2019-10-07 14:55:06,548 WARN L191 SmtUtils]: Spent 617.00 ms on a formula simplification that was a NOOP. DAG size: 1084 [2019-10-07 14:55:06,847 WARN L191 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 572 [2019-10-07 14:55:07,714 WARN L191 SmtUtils]: Spent 865.00 ms on a formula simplification that was a NOOP. DAG size: 1205 [2019-10-07 14:55:08,341 WARN L191 SmtUtils]: Spent 615.00 ms on a formula simplification that was a NOOP. DAG size: 1084 [2019-10-07 14:55:09,000 WARN L191 SmtUtils]: Spent 655.00 ms on a formula simplification that was a NOOP. DAG size: 1084 [2019-10-07 14:55:09,202 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 572 [2019-10-07 14:55:10,040 WARN L191 SmtUtils]: Spent 836.00 ms on a formula simplification that was a NOOP. DAG size: 1205 [2019-10-07 14:55:10,746 WARN L191 SmtUtils]: Spent 677.00 ms on a formula simplification that was a NOOP. DAG size: 1084 [2019-10-07 14:55:11,368 WARN L191 SmtUtils]: Spent 619.00 ms on a formula simplification that was a NOOP. DAG size: 1084 [2019-10-07 14:55:11,589 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 572 [2019-10-07 14:55:12,472 WARN L191 SmtUtils]: Spent 881.00 ms on a formula simplification that was a NOOP. DAG size: 1205 [2019-10-07 14:55:13,486 WARN L191 SmtUtils]: Spent 976.00 ms on a formula simplification. DAG size of input: 1207 DAG size of output: 1084 [2019-10-07 14:55:14,109 WARN L191 SmtUtils]: Spent 620.00 ms on a formula simplification that was a NOOP. DAG size: 1084 [2019-10-07 14:55:14,486 WARN L191 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 574 DAG size of output: 572 [2019-10-07 14:55:15,349 WARN L191 SmtUtils]: Spent 861.00 ms on a formula simplification that was a NOOP. DAG size: 1205 [2019-10-07 14:55:15,975 WARN L191 SmtUtils]: Spent 611.00 ms on a formula simplification that was a NOOP. DAG size: 1084 [2019-10-07 14:55:16,590 WARN L191 SmtUtils]: Spent 612.00 ms on a formula simplification that was a NOOP. DAG size: 1084 [2019-10-07 14:55:16,787 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 572 [2019-10-07 14:55:17,630 WARN L191 SmtUtils]: Spent 841.00 ms on a formula simplification that was a NOOP. DAG size: 1205 [2019-10-07 14:55:18,240 WARN L191 SmtUtils]: Spent 607.00 ms on a formula simplification that was a NOOP. DAG size: 1084 [2019-10-07 14:55:18,872 WARN L191 SmtUtils]: Spent 628.00 ms on a formula simplification that was a NOOP. DAG size: 1084 [2019-10-07 14:55:19,069 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 572 [2019-10-07 14:55:19,906 WARN L191 SmtUtils]: Spent 835.00 ms on a formula simplification that was a NOOP. DAG size: 1205 [2019-10-07 14:55:20,526 WARN L191 SmtUtils]: Spent 618.00 ms on a formula simplification that was a NOOP. DAG size: 1084 [2019-10-07 14:55:21,138 WARN L191 SmtUtils]: Spent 609.00 ms on a formula simplification that was a NOOP. DAG size: 1084 [2019-10-07 14:55:21,339 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 572 [2019-10-07 14:55:22,176 WARN L191 SmtUtils]: Spent 835.00 ms on a formula simplification that was a NOOP. DAG size: 1205 [2019-10-07 14:55:22,805 WARN L191 SmtUtils]: Spent 626.00 ms on a formula simplification that was a NOOP. DAG size: 1084 [2019-10-07 14:55:23,421 WARN L191 SmtUtils]: Spent 612.00 ms on a formula simplification that was a NOOP. DAG size: 1084 [2019-10-07 14:55:23,615 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 572 [2019-10-07 14:55:24,463 WARN L191 SmtUtils]: Spent 846.00 ms on a formula simplification that was a NOOP. DAG size: 1205 [2019-10-07 14:55:25,076 WARN L191 SmtUtils]: Spent 610.00 ms on a formula simplification that was a NOOP. DAG size: 1084 [2019-10-07 14:55:25,698 WARN L191 SmtUtils]: Spent 619.00 ms on a formula simplification that was a NOOP. DAG size: 1084 [2019-10-07 14:55:25,892 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 572 [2019-10-07 14:55:26,742 WARN L191 SmtUtils]: Spent 849.00 ms on a formula simplification that was a NOOP. DAG size: 1205 [2019-10-07 14:55:27,354 WARN L191 SmtUtils]: Spent 609.00 ms on a formula simplification that was a NOOP. DAG size: 1084 [2019-10-07 14:55:27,973 WARN L191 SmtUtils]: Spent 616.00 ms on a formula simplification that was a NOOP. DAG size: 1084 [2019-10-07 14:55:28,168 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 572 [2019-10-07 14:55:29,009 WARN L191 SmtUtils]: Spent 838.00 ms on a formula simplification that was a NOOP. DAG size: 1205 [2019-10-07 14:55:29,628 WARN L191 SmtUtils]: Spent 617.00 ms on a formula simplification that was a NOOP. DAG size: 1084 [2019-10-07 14:55:30,245 WARN L191 SmtUtils]: Spent 613.00 ms on a formula simplification that was a NOOP. DAG size: 1084 [2019-10-07 14:55:30,443 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 572 [2019-10-07 14:55:31,286 WARN L191 SmtUtils]: Spent 841.00 ms on a formula simplification that was a NOOP. DAG size: 1205 [2019-10-07 14:55:31,905 WARN L191 SmtUtils]: Spent 616.00 ms on a formula simplification that was a NOOP. DAG size: 1084 [2019-10-07 14:55:32,522 WARN L191 SmtUtils]: Spent 613.00 ms on a formula simplification that was a NOOP. DAG size: 1084 [2019-10-07 14:55:32,724 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 572 [2019-10-07 14:55:33,561 WARN L191 SmtUtils]: Spent 836.00 ms on a formula simplification that was a NOOP. DAG size: 1205 [2019-10-07 14:55:34,180 WARN L191 SmtUtils]: Spent 616.00 ms on a formula simplification that was a NOOP. DAG size: 1084 [2019-10-07 14:55:34,794 WARN L191 SmtUtils]: Spent 610.00 ms on a formula simplification that was a NOOP. DAG size: 1084 [2019-10-07 14:55:34,990 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 572 [2019-10-07 14:55:35,839 WARN L191 SmtUtils]: Spent 847.00 ms on a formula simplification that was a NOOP. DAG size: 1205 [2019-10-07 14:55:36,823 WARN L191 SmtUtils]: Spent 936.00 ms on a formula simplification that was a NOOP. DAG size: 1205 [2019-10-07 14:55:37,665 WARN L191 SmtUtils]: Spent 839.00 ms on a formula simplification that was a NOOP. DAG size: 1205 [2019-10-07 14:55:37,873 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 572 [2019-10-07 14:55:38,719 WARN L191 SmtUtils]: Spent 844.00 ms on a formula simplification that was a NOOP. DAG size: 1205 [2019-10-07 14:55:40,305 WARN L191 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 1207 DAG size of output: 1205 [2019-10-07 14:55:41,148 WARN L191 SmtUtils]: Spent 839.00 ms on a formula simplification that was a NOOP. DAG size: 1205 [2019-10-07 14:55:41,355 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 572 [2019-10-07 14:55:42,194 WARN L191 SmtUtils]: Spent 838.00 ms on a formula simplification that was a NOOP. DAG size: 1205 [2019-10-07 14:55:43,034 WARN L191 SmtUtils]: Spent 837.00 ms on a formula simplification that was a NOOP. DAG size: 1205 [2019-10-07 14:55:43,885 WARN L191 SmtUtils]: Spent 847.00 ms on a formula simplification that was a NOOP. DAG size: 1205 [2019-10-07 14:55:44,080 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 572 [2019-10-07 14:55:44,921 WARN L191 SmtUtils]: Spent 839.00 ms on a formula simplification that was a NOOP. DAG size: 1205 [2019-10-07 14:55:45,812 WARN L191 SmtUtils]: Spent 858.00 ms on a formula simplification that was a NOOP. DAG size: 1209 [2019-10-07 14:55:46,669 WARN L191 SmtUtils]: Spent 853.00 ms on a formula simplification that was a NOOP. DAG size: 1209 [2019-10-07 14:55:46,870 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-07 14:55:47,720 WARN L191 SmtUtils]: Spent 848.00 ms on a formula simplification that was a NOOP. DAG size: 1209 [2019-10-07 14:55:48,578 WARN L191 SmtUtils]: Spent 845.00 ms on a formula simplification that was a NOOP. DAG size: 1209 [2019-10-07 14:55:49,425 WARN L191 SmtUtils]: Spent 843.00 ms on a formula simplification that was a NOOP. DAG size: 1209 [2019-10-07 14:55:49,635 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-07 14:55:50,486 WARN L191 SmtUtils]: Spent 849.00 ms on a formula simplification that was a NOOP. DAG size: 1209 [2019-10-07 14:55:51,342 WARN L191 SmtUtils]: Spent 853.00 ms on a formula simplification that was a NOOP. DAG size: 1209 [2019-10-07 14:55:52,196 WARN L191 SmtUtils]: Spent 851.00 ms on a formula simplification that was a NOOP. DAG size: 1209 [2019-10-07 14:55:52,394 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-07 14:55:53,246 WARN L191 SmtUtils]: Spent 850.00 ms on a formula simplification that was a NOOP. DAG size: 1209 [2019-10-07 14:55:55,064 WARN L191 SmtUtils]: Spent 1.81 s on a formula simplification that was a NOOP. DAG size: 1207 [2019-10-07 14:55:55,906 WARN L191 SmtUtils]: Spent 839.00 ms on a formula simplification that was a NOOP. DAG size: 1207 [2019-10-07 14:55:56,116 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-07 14:55:56,962 WARN L191 SmtUtils]: Spent 844.00 ms on a formula simplification that was a NOOP. DAG size: 1209 [2019-10-07 14:55:57,818 WARN L191 SmtUtils]: Spent 852.00 ms on a formula simplification that was a NOOP. DAG size: 1209 [2019-10-07 14:55:58,667 WARN L191 SmtUtils]: Spent 845.00 ms on a formula simplification that was a NOOP. DAG size: 1209 [2019-10-07 14:55:58,867 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-07 14:55:59,718 WARN L191 SmtUtils]: Spent 850.00 ms on a formula simplification that was a NOOP. DAG size: 1211 [2019-10-07 14:56:02,105 WARN L191 SmtUtils]: Spent 2.35 s on a formula simplification. DAG size of input: 1207 DAG size of output: 1205 [2019-10-07 14:56:02,946 WARN L191 SmtUtils]: Spent 837.00 ms on a formula simplification that was a NOOP. DAG size: 1205 [2019-10-07 14:56:03,165 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 572 [2019-10-07 14:56:04,001 WARN L191 SmtUtils]: Spent 834.00 ms on a formula simplification that was a NOOP. DAG size: 1205 [2019-10-07 14:56:05,538 WARN L191 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 1207 DAG size of output: 1205 [2019-10-07 14:56:06,381 WARN L191 SmtUtils]: Spent 840.00 ms on a formula simplification that was a NOOP. DAG size: 1205 [2019-10-07 14:56:06,593 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 572 [2019-10-07 14:56:07,431 WARN L191 SmtUtils]: Spent 836.00 ms on a formula simplification that was a NOOP. DAG size: 1205 [2019-10-07 14:56:08,272 WARN L191 SmtUtils]: Spent 838.00 ms on a formula simplification that was a NOOP. DAG size: 1205 [2019-10-07 14:56:09,108 WARN L191 SmtUtils]: Spent 833.00 ms on a formula simplification that was a NOOP. DAG size: 1205 [2019-10-07 14:56:09,302 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 572 [2019-10-07 14:56:10,137 WARN L191 SmtUtils]: Spent 832.00 ms on a formula simplification that was a NOOP. DAG size: 1205 [2019-10-07 14:56:11,690 WARN L191 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 1207 DAG size of output: 1205 [2019-10-07 14:56:12,535 WARN L191 SmtUtils]: Spent 841.00 ms on a formula simplification that was a NOOP. DAG size: 1205 [2019-10-07 14:56:12,736 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 572 [2019-10-07 14:56:13,574 WARN L191 SmtUtils]: Spent 836.00 ms on a formula simplification that was a NOOP. DAG size: 1205 [2019-10-07 14:56:15,099 WARN L191 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 1207 DAG size of output: 1205 [2019-10-07 14:56:15,934 WARN L191 SmtUtils]: Spent 830.00 ms on a formula simplification that was a NOOP. DAG size: 1205 [2019-10-07 14:56:16,143 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 572 [2019-10-07 14:56:16,989 WARN L191 SmtUtils]: Spent 843.00 ms on a formula simplification that was a NOOP. DAG size: 1205 [2019-10-07 14:56:17,832 WARN L191 SmtUtils]: Spent 840.00 ms on a formula simplification that was a NOOP. DAG size: 1205 [2019-10-07 14:56:18,675 WARN L191 SmtUtils]: Spent 840.00 ms on a formula simplification that was a NOOP. DAG size: 1205 [2019-10-07 14:56:18,870 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 572 [2019-10-07 14:56:19,712 WARN L191 SmtUtils]: Spent 840.00 ms on a formula simplification that was a NOOP. DAG size: 1205 [2019-10-07 14:56:20,584 WARN L191 SmtUtils]: Spent 845.00 ms on a formula simplification that was a NOOP. DAG size: 1209 [2019-10-07 14:56:21,428 WARN L191 SmtUtils]: Spent 840.00 ms on a formula simplification that was a NOOP. DAG size: 1209 [2019-10-07 14:56:21,645 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-07 14:56:22,496 WARN L191 SmtUtils]: Spent 849.00 ms on a formula simplification that was a NOOP. DAG size: 1209 [2019-10-07 14:56:24,014 WARN L191 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 1211 DAG size of output: 1207 [2019-10-07 14:56:24,854 WARN L191 SmtUtils]: Spent 836.00 ms on a formula simplification that was a NOOP. DAG size: 1207 [2019-10-07 14:56:25,055 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-07 14:56:25,902 WARN L191 SmtUtils]: Spent 844.00 ms on a formula simplification that was a NOOP. DAG size: 1209 [2019-10-07 14:56:27,446 WARN L191 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 1211 DAG size of output: 1207 [2019-10-07 14:56:28,288 WARN L191 SmtUtils]: Spent 838.00 ms on a formula simplification that was a NOOP. DAG size: 1207 [2019-10-07 14:56:28,482 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-07 14:56:29,332 WARN L191 SmtUtils]: Spent 848.00 ms on a formula simplification that was a NOOP. DAG size: 1209 [2019-10-07 14:56:30,786 WARN L191 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 1211 DAG size of output: 1207 [2019-10-07 14:56:31,634 WARN L191 SmtUtils]: Spent 843.00 ms on a formula simplification that was a NOOP. DAG size: 1207 [2019-10-07 14:56:31,870 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-07 14:56:32,714 WARN L191 SmtUtils]: Spent 842.00 ms on a formula simplification that was a NOOP. DAG size: 1209 [2019-10-07 14:56:34,236 WARN L191 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 1213 DAG size of output: 1209 [2019-10-07 14:56:35,079 WARN L191 SmtUtils]: Spent 839.00 ms on a formula simplification that was a NOOP. DAG size: 1209 [2019-10-07 14:56:35,283 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-07 14:56:36,136 WARN L191 SmtUtils]: Spent 851.00 ms on a formula simplification that was a NOOP. DAG size: 1211 [2019-10-07 14:56:36,389 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 14:56:36,390 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 14:56:36,396 INFO L168 Benchmark]: Toolchain (without parser) took 190739.88 ms. Allocated memory was 137.9 MB in the beginning and 1.2 GB in the end (delta: 1.0 GB). Free memory was 100.0 MB in the beginning and 790.8 MB in the end (delta: -690.7 MB). Peak memory consumption was 357.3 MB. Max. memory is 7.1 GB. [2019-10-07 14:56:36,397 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 137.9 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-07 14:56:36,398 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1093.93 ms. Allocated memory was 137.9 MB in the beginning and 202.9 MB in the end (delta: 65.0 MB). Free memory was 99.8 MB in the beginning and 135.2 MB in the end (delta: -35.4 MB). Peak memory consumption was 34.8 MB. Max. memory is 7.1 GB. [2019-10-07 14:56:36,398 INFO L168 Benchmark]: Boogie Preprocessor took 211.90 ms. Allocated memory is still 202.9 MB. Free memory was 135.2 MB in the beginning and 125.9 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2019-10-07 14:56:36,399 INFO L168 Benchmark]: RCFGBuilder took 4592.46 ms. Allocated memory was 202.9 MB in the beginning and 299.9 MB in the end (delta: 97.0 MB). Free memory was 125.9 MB in the beginning and 87.1 MB in the end (delta: 38.8 MB). Peak memory consumption was 135.8 MB. Max. memory is 7.1 GB. [2019-10-07 14:56:36,400 INFO L168 Benchmark]: TraceAbstraction took 184837.42 ms. Allocated memory was 299.9 MB in the beginning and 1.2 GB in the end (delta: 886.0 MB). Free memory was 87.1 MB in the beginning and 790.8 MB in the end (delta: -703.7 MB). Peak memory consumption was 182.4 MB. Max. memory is 7.1 GB. [2019-10-07 14:56:36,403 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 137.9 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1093.93 ms. Allocated memory was 137.9 MB in the beginning and 202.9 MB in the end (delta: 65.0 MB). Free memory was 99.8 MB in the beginning and 135.2 MB in the end (delta: -35.4 MB). Peak memory consumption was 34.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 211.90 ms. Allocated memory is still 202.9 MB. Free memory was 135.2 MB in the beginning and 125.9 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4592.46 ms. Allocated memory was 202.9 MB in the beginning and 299.9 MB in the end (delta: 97.0 MB). Free memory was 125.9 MB in the beginning and 87.1 MB in the end (delta: 38.8 MB). Peak memory consumption was 135.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 184837.42 ms. Allocated memory was 299.9 MB in the beginning and 1.2 GB in the end (delta: 886.0 MB). Free memory was 87.1 MB in the beginning and 790.8 MB in the end (delta: -703.7 MB). Peak memory consumption was 182.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:295) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...