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_spec7_product29.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 03:16:34,350 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 03:16:34,352 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 03:16:34,372 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 03:16:34,372 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 03:16:34,374 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 03:16:34,376 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 03:16:34,389 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 03:16:34,391 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 03:16:34,394 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 03:16:34,396 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 03:16:34,397 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 03:16:34,397 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 03:16:34,401 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 03:16:34,404 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 03:16:34,406 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 03:16:34,408 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 03:16:34,410 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 03:16:34,411 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 03:16:34,418 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 03:16:34,423 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 03:16:34,426 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 03:16:34,429 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 03:16:34,430 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 03:16:34,433 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 03:16:34,434 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 03:16:34,434 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 03:16:34,436 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 03:16:34,438 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 03:16:34,439 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 03:16:34,439 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 03:16:34,441 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 03:16:34,442 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 03:16:34,443 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 03:16:34,445 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 03:16:34,445 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 03:16:34,446 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 03:16:34,446 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 03:16:34,446 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 03:16:34,447 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 03:16:34,449 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 03:16:34,450 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 [2019-10-15 03:16:34,470 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 03:16:34,470 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 03:16:34,475 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 03:16:34,475 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 03:16:34,476 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 03:16:34,476 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 03:16:34,476 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 03:16:34,476 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 03:16:34,477 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 03:16:34,477 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 03:16:34,478 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 03:16:34,478 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 03:16:34,479 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 03:16:34,479 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 03:16:34,479 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 03:16:34,480 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 03:16:34,480 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 03:16:34,480 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 03:16:34,480 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 03:16:34,481 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 03:16:34,481 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 03:16:34,481 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 03:16:34,481 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 03:16:34,481 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 03:16:34,482 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 03:16:34,482 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 03:16:34,482 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 03:16:34,482 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 03:16:34,483 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 [2019-10-15 03:16:34,791 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 03:16:34,804 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 03:16:34,807 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 03:16:34,809 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 03:16:34,809 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 03:16:34,810 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec7_product29.cil.c [2019-10-15 03:16:34,871 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7be552f4a/521530f5f29b4a839063a66143f7067a/FLAGa887cba7a [2019-10-15 03:16:35,547 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 03:16:35,550 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec7_product29.cil.c [2019-10-15 03:16:35,572 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7be552f4a/521530f5f29b4a839063a66143f7067a/FLAGa887cba7a [2019-10-15 03:16:35,866 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7be552f4a/521530f5f29b4a839063a66143f7067a [2019-10-15 03:16:35,877 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 03:16:35,878 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 03:16:35,879 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 03:16:35,880 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 03:16:35,883 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 03:16:35,884 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:16:35" (1/1) ... [2019-10-15 03:16:35,887 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9515a38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:16:35, skipping insertion in model container [2019-10-15 03:16:35,887 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:16:35" (1/1) ... [2019-10-15 03:16:35,895 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 03:16:35,971 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 03:16:36,731 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:16:36,751 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 03:16:36,860 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:16:36,958 INFO L192 MainTranslator]: Completed translation [2019-10-15 03:16:36,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:16:36 WrapperNode [2019-10-15 03:16:36,960 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 03:16:36,960 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 03:16:36,961 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 03:16:36,961 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 03:16:36,975 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:16:36" (1/1) ... [2019-10-15 03:16:36,976 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:16:36" (1/1) ... [2019-10-15 03:16:37,019 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:16:36" (1/1) ... [2019-10-15 03:16:37,020 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:16:36" (1/1) ... [2019-10-15 03:16:37,077 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:16:36" (1/1) ... [2019-10-15 03:16:37,109 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:16:36" (1/1) ... [2019-10-15 03:16:37,133 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:16:36" (1/1) ... [2019-10-15 03:16:37,162 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 03:16:37,163 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 03:16:37,163 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 03:16:37,164 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 03:16:37,167 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:16:36" (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 [2019-10-15 03:16:37,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 03:16:37,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 03:16:37,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 03:16:37,264 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-15 03:16:37,264 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-15 03:16:37,265 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-15 03:16:37,266 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-15 03:16:37,266 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-15 03:16:37,267 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-15 03:16:37,267 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-15 03:16:37,267 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-15 03:16:37,268 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 03:16:37,268 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 03:16:37,269 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-15 03:16:37,269 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-15 03:16:37,269 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-15 03:16:37,272 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-15 03:16:37,272 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-15 03:16:37,272 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-15 03:16:37,273 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-15 03:16:37,273 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-15 03:16:37,273 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-15 03:16:37,273 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-15 03:16:37,274 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 03:16:37,274 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 03:16:37,274 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 03:16:37,274 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 03:16:37,274 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 03:16:37,274 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 03:16:37,275 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 03:16:37,275 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 03:16:37,275 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptVerify_spec__1 [2019-10-15 03:16:37,275 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-15 03:16:37,275 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-15 03:16:37,276 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2019-10-15 03:16:37,276 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2019-10-15 03:16:37,276 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-15 03:16:37,276 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-15 03:16:37,277 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-15 03:16:37,277 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-10-15 03:16:37,277 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-15 03:16:37,277 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-15 03:16:37,277 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-15 03:16:37,277 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-15 03:16:37,278 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-15 03:16:37,278 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-15 03:16:37,278 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-15 03:16:37,278 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-15 03:16:37,278 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-15 03:16:37,279 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-15 03:16:37,279 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-15 03:16:37,279 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-15 03:16:37,279 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-15 03:16:37,279 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-15 03:16:37,279 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-15 03:16:37,280 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-15 03:16:37,280 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-15 03:16:37,280 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-15 03:16:37,280 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-15 03:16:37,281 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-15 03:16:37,281 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-15 03:16:37,281 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-15 03:16:37,281 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-15 03:16:37,282 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-15 03:16:37,282 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-15 03:16:37,282 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-15 03:16:37,282 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-15 03:16:37,282 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-15 03:16:37,283 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-15 03:16:37,283 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-15 03:16:37,283 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-15 03:16:37,283 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-15 03:16:37,283 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-15 03:16:37,284 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-15 03:16:37,285 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-15 03:16:37,285 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-15 03:16:37,286 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-15 03:16:37,286 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-15 03:16:37,286 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-15 03:16:37,286 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-15 03:16:37,287 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-15 03:16:37,287 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-15 03:16:37,288 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2019-10-15 03:16:37,288 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2019-10-15 03:16:37,288 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-15 03:16:37,288 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-15 03:16:37,288 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-15 03:16:37,289 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-15 03:16:37,290 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-15 03:16:37,290 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-15 03:16:37,290 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-15 03:16:37,290 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-15 03:16:37,290 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-15 03:16:37,290 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-15 03:16:37,290 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-15 03:16:37,291 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-15 03:16:37,291 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-15 03:16:37,291 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-15 03:16:37,291 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-15 03:16:37,291 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-15 03:16:37,291 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-15 03:16:37,291 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-15 03:16:37,292 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-15 03:16:37,292 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-15 03:16:37,292 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-15 03:16:37,292 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-15 03:16:37,292 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-15 03:16:37,292 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-15 03:16:37,293 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-15 03:16:37,293 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-15 03:16:37,293 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-15 03:16:37,293 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 03:16:37,293 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 03:16:37,293 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 03:16:37,293 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 03:16:37,294 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 03:16:37,294 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 03:16:37,294 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 03:16:37,295 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-15 03:16:37,295 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-15 03:16:37,295 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-15 03:16:37,295 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-15 03:16:37,296 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-15 03:16:37,296 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-15 03:16:37,297 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-15 03:16:37,297 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-15 03:16:37,297 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-15 03:16:37,297 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-15 03:16:37,297 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-15 03:16:37,298 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 03:16:37,298 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 03:16:37,299 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 03:16:37,299 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-15 03:16:37,300 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-15 03:16:37,303 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-15 03:16:37,303 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-15 03:16:37,303 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-15 03:16:37,304 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-15 03:16:37,304 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-15 03:16:37,304 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-15 03:16:37,305 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-15 03:16:37,305 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-15 03:16:37,305 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-15 03:16:37,306 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 03:16:37,313 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 03:16:37,313 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 03:16:37,313 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-15 03:16:37,313 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-15 03:16:37,313 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-15 03:16:37,313 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-15 03:16:37,313 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-15 03:16:37,314 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-15 03:16:37,314 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-15 03:16:37,314 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-15 03:16:37,314 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-15 03:16:37,314 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-15 03:16:37,314 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-15 03:16:37,314 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-15 03:16:37,315 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-15 03:16:37,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 03:16:37,315 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 03:16:37,315 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 03:16:37,315 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 03:16:37,316 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 03:16:37,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 03:16:37,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 03:16:37,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 03:16:37,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 03:16:37,316 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 03:16:37,316 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 03:16:37,317 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 03:16:37,317 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 03:16:37,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 03:16:37,317 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 03:16:37,317 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 03:16:37,317 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 03:16:37,317 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 03:16:37,317 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-15 03:16:37,318 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptVerify_spec__1 [2019-10-15 03:16:37,318 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-15 03:16:37,318 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-15 03:16:37,318 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-15 03:16:37,318 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-15 03:16:37,318 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-15 03:16:37,318 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-15 03:16:37,318 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-15 03:16:37,319 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-15 03:16:37,319 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-15 03:16:37,319 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-15 03:16:37,319 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-15 03:16:37,319 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-15 03:16:37,320 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-15 03:16:37,320 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-15 03:16:37,320 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-15 03:16:37,320 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-15 03:16:37,320 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-15 03:16:37,320 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-15 03:16:37,320 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-15 03:16:37,320 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-15 03:16:37,321 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-15 03:16:37,321 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-15 03:16:37,321 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-15 03:16:37,321 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-15 03:16:37,321 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-15 03:16:37,321 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-15 03:16:37,321 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-15 03:16:37,321 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-15 03:16:37,322 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-15 03:16:37,322 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-15 03:16:37,322 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2019-10-15 03:16:37,322 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2019-10-15 03:16:37,322 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-15 03:16:37,322 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-10-15 03:16:37,322 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-15 03:16:37,322 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-15 03:16:37,323 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-15 03:16:37,323 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-15 03:16:37,323 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-15 03:16:37,323 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-15 03:16:37,323 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-15 03:16:37,323 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-15 03:16:37,323 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-15 03:16:37,323 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-15 03:16:37,324 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-15 03:16:37,324 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-15 03:16:37,324 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-15 03:16:37,324 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-15 03:16:37,324 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-15 03:16:37,324 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-15 03:16:37,324 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-15 03:16:37,324 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-15 03:16:37,325 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2019-10-15 03:16:37,325 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2019-10-15 03:16:37,325 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-15 03:16:37,325 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-15 03:16:37,325 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-15 03:16:37,325 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-15 03:16:37,325 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-15 03:16:37,326 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-15 03:16:37,326 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-15 03:16:37,326 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-15 03:16:37,326 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 03:16:37,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 03:16:37,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 03:16:37,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 03:16:42,391 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 03:16:42,391 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-15 03:16:42,393 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:16:42 BoogieIcfgContainer [2019-10-15 03:16:42,393 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 03:16:42,394 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 03:16:42,395 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 03:16:42,398 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 03:16:42,398 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 03:16:35" (1/3) ... [2019-10-15 03:16:42,399 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b06c92a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:16:42, skipping insertion in model container [2019-10-15 03:16:42,399 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:16:36" (2/3) ... [2019-10-15 03:16:42,400 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b06c92a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:16:42, skipping insertion in model container [2019-10-15 03:16:42,400 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:16:42" (3/3) ... [2019-10-15 03:16:42,401 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec7_product29.cil.c [2019-10-15 03:16:42,412 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 03:16:42,421 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 03:16:42,433 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 03:16:42,476 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 03:16:42,476 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 03:16:42,477 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 03:16:42,477 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 03:16:42,477 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 03:16:42,477 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 03:16:42,477 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 03:16:42,477 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 03:16:42,508 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states. [2019-10-15 03:16:42,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2019-10-15 03:16:42,527 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:16:42,529 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:16:42,531 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:16:42,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:16:42,538 INFO L82 PathProgramCache]: Analyzing trace with hash 1326101475, now seen corresponding path program 1 times [2019-10-15 03:16:42,548 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:16:42,548 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694067401] [2019-10-15 03:16:42,549 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:16:42,549 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:16:42,549 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:16:42,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:16:43,290 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-15 03:16:43,291 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694067401] [2019-10-15 03:16:43,292 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:16:43,293 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 03:16:43,293 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117940889] [2019-10-15 03:16:43,302 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 03:16:43,302 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:16:43,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 03:16:43,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 03:16:43,319 INFO L87 Difference]: Start difference. First operand 414 states. Second operand 2 states. [2019-10-15 03:16:43,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:16:43,421 INFO L93 Difference]: Finished difference Result 575 states and 690 transitions. [2019-10-15 03:16:43,421 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 03:16:43,422 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 152 [2019-10-15 03:16:43,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:16:43,456 INFO L225 Difference]: With dead ends: 575 [2019-10-15 03:16:43,457 INFO L226 Difference]: Without dead ends: 366 [2019-10-15 03:16:43,470 INFO L600 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 [2019-10-15 03:16:43,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2019-10-15 03:16:43,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 366. [2019-10-15 03:16:43,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 366 states. [2019-10-15 03:16:43,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 434 transitions. [2019-10-15 03:16:43,588 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 434 transitions. Word has length 152 [2019-10-15 03:16:43,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:16:43,591 INFO L462 AbstractCegarLoop]: Abstraction has 366 states and 434 transitions. [2019-10-15 03:16:43,591 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 03:16:43,592 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 434 transitions. [2019-10-15 03:16:43,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2019-10-15 03:16:43,605 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:16:43,605 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:16:43,605 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:16:43,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:16:43,606 INFO L82 PathProgramCache]: Analyzing trace with hash -131016408, now seen corresponding path program 1 times [2019-10-15 03:16:43,606 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:16:43,607 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408762763] [2019-10-15 03:16:43,607 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:16:43,607 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:16:43,607 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:16:43,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:16:43,895 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-15 03:16:43,896 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408762763] [2019-10-15 03:16:43,896 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:16:43,896 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:16:43,896 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949659446] [2019-10-15 03:16:43,900 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:16:43,901 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:16:43,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:16:43,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:16:43,901 INFO L87 Difference]: Start difference. First operand 366 states and 434 transitions. Second operand 3 states. [2019-10-15 03:16:43,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:16:43,981 INFO L93 Difference]: Finished difference Result 560 states and 655 transitions. [2019-10-15 03:16:43,981 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:16:43,981 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 153 [2019-10-15 03:16:43,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:16:43,992 INFO L225 Difference]: With dead ends: 560 [2019-10-15 03:16:43,993 INFO L226 Difference]: Without dead ends: 368 [2019-10-15 03:16:43,998 INFO L600 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 [2019-10-15 03:16:44,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2019-10-15 03:16:44,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 368. [2019-10-15 03:16:44,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 368 states. [2019-10-15 03:16:44,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 436 transitions. [2019-10-15 03:16:44,046 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 436 transitions. Word has length 153 [2019-10-15 03:16:44,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:16:44,046 INFO L462 AbstractCegarLoop]: Abstraction has 368 states and 436 transitions. [2019-10-15 03:16:44,046 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:16:44,047 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 436 transitions. [2019-10-15 03:16:44,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2019-10-15 03:16:44,052 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:16:44,052 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:16:44,053 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:16:44,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:16:44,053 INFO L82 PathProgramCache]: Analyzing trace with hash -2140150762, now seen corresponding path program 1 times [2019-10-15 03:16:44,053 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:16:44,053 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361242229] [2019-10-15 03:16:44,054 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:16:44,054 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:16:44,054 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:16:44,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:16:44,288 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-15 03:16:44,289 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361242229] [2019-10-15 03:16:44,289 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:16:44,289 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:16:44,289 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696095418] [2019-10-15 03:16:44,291 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:16:44,291 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:16:44,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:16:44,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:16:44,292 INFO L87 Difference]: Start difference. First operand 368 states and 436 transitions. Second operand 3 states. [2019-10-15 03:16:44,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:16:44,367 INFO L93 Difference]: Finished difference Result 718 states and 879 transitions. [2019-10-15 03:16:44,367 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:16:44,368 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 158 [2019-10-15 03:16:44,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:16:44,375 INFO L225 Difference]: With dead ends: 718 [2019-10-15 03:16:44,376 INFO L226 Difference]: Without dead ends: 408 [2019-10-15 03:16:44,378 INFO L600 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 [2019-10-15 03:16:44,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2019-10-15 03:16:44,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 407. [2019-10-15 03:16:44,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 407 states. [2019-10-15 03:16:44,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 504 transitions. [2019-10-15 03:16:44,432 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 504 transitions. Word has length 158 [2019-10-15 03:16:44,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:16:44,434 INFO L462 AbstractCegarLoop]: Abstraction has 407 states and 504 transitions. [2019-10-15 03:16:44,434 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:16:44,434 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 504 transitions. [2019-10-15 03:16:44,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2019-10-15 03:16:44,444 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:16:44,445 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:16:44,445 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:16:44,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:16:44,446 INFO L82 PathProgramCache]: Analyzing trace with hash 257946119, now seen corresponding path program 1 times [2019-10-15 03:16:44,446 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:16:44,446 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442983801] [2019-10-15 03:16:44,447 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:16:44,447 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:16:44,447 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:16:44,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:16:45,449 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-15 03:16:45,451 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442983801] [2019-10-15 03:16:45,451 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:16:45,452 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2019-10-15 03:16:45,452 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782089403] [2019-10-15 03:16:45,453 INFO L442 AbstractCegarLoop]: Interpolant automaton has 30 states [2019-10-15 03:16:45,453 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:16:45,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2019-10-15 03:16:45,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=793, Unknown=0, NotChecked=0, Total=870 [2019-10-15 03:16:45,455 INFO L87 Difference]: Start difference. First operand 407 states and 504 transitions. Second operand 30 states. [2019-10-15 03:16:55,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:16:55,562 INFO L93 Difference]: Finished difference Result 866 states and 1079 transitions. [2019-10-15 03:16:55,563 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2019-10-15 03:16:55,563 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 159 [2019-10-15 03:16:55,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:16:55,572 INFO L225 Difference]: With dead ends: 866 [2019-10-15 03:16:55,572 INFO L226 Difference]: Without dead ends: 682 [2019-10-15 03:16:55,574 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 319 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=181, Invalid=2171, Unknown=0, NotChecked=0, Total=2352 [2019-10-15 03:16:55,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 682 states. [2019-10-15 03:16:55,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 682 to 670. [2019-10-15 03:16:55,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 670 states. [2019-10-15 03:16:55,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 670 states and 837 transitions. [2019-10-15 03:16:55,633 INFO L78 Accepts]: Start accepts. Automaton has 670 states and 837 transitions. Word has length 159 [2019-10-15 03:16:55,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:16:55,636 INFO L462 AbstractCegarLoop]: Abstraction has 670 states and 837 transitions. [2019-10-15 03:16:55,637 INFO L463 AbstractCegarLoop]: Interpolant automaton has 30 states. [2019-10-15 03:16:55,637 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 837 transitions. [2019-10-15 03:16:55,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2019-10-15 03:16:55,642 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:16:55,642 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:16:55,642 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:16:55,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:16:55,643 INFO L82 PathProgramCache]: Analyzing trace with hash -1976822384, now seen corresponding path program 1 times [2019-10-15 03:16:55,643 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:16:55,644 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732514980] [2019-10-15 03:16:55,644 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:16:55,644 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:16:55,644 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:16:55,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:16:55,905 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-15 03:16:55,905 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732514980] [2019-10-15 03:16:55,906 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:16:55,906 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-15 03:16:55,906 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191535917] [2019-10-15 03:16:55,907 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-15 03:16:55,907 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:16:55,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-15 03:16:55,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-10-15 03:16:55,908 INFO L87 Difference]: Start difference. First operand 670 states and 837 transitions. Second operand 10 states. [2019-10-15 03:16:56,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:16:56,053 INFO L93 Difference]: Finished difference Result 679 states and 848 transitions. [2019-10-15 03:16:56,053 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-15 03:16:56,053 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 163 [2019-10-15 03:16:56,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:16:56,060 INFO L225 Difference]: With dead ends: 679 [2019-10-15 03:16:56,060 INFO L226 Difference]: Without dead ends: 676 [2019-10-15 03:16:56,061 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-10-15 03:16:56,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 676 states. [2019-10-15 03:16:56,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 676 to 676. [2019-10-15 03:16:56,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 676 states. [2019-10-15 03:16:56,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 676 states and 843 transitions. [2019-10-15 03:16:56,095 INFO L78 Accepts]: Start accepts. Automaton has 676 states and 843 transitions. Word has length 163 [2019-10-15 03:16:56,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:16:56,097 INFO L462 AbstractCegarLoop]: Abstraction has 676 states and 843 transitions. [2019-10-15 03:16:56,097 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-15 03:16:56,097 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 843 transitions. [2019-10-15 03:16:56,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2019-10-15 03:16:56,100 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:16:56,100 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:16:56,100 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:16:56,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:16:56,101 INFO L82 PathProgramCache]: Analyzing trace with hash 1790335500, now seen corresponding path program 1 times [2019-10-15 03:16:56,101 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:16:56,101 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264704718] [2019-10-15 03:16:56,101 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:16:56,101 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:16:56,101 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:16:56,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:16:56,895 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-10-15 03:16:56,895 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264704718] [2019-10-15 03:16:56,896 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1317566316] [2019-10-15 03:16:56,896 INFO L94 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 [2019-10-15 03:16:57,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:16:57,492 INFO L256 TraceCheckSpWp]: Trace formula consists of 2774 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-15 03:16:57,512 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 03:16:57,717 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-15 03:16:57,718 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 03:16:57,961 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-15 03:16:57,961 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1878902136] [2019-10-15 03:16:57,993 INFO L162 IcfgInterpreter]: Started Sifa with 150 locations of interest [2019-10-15 03:16:57,993 INFO L169 IcfgInterpreter]: Building call graph [2019-10-15 03:16:58,001 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-15 03:16:58,009 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-15 03:16:58,010 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs