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_product35.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 23:09:54,450 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 23:09:54,453 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 23:09:54,469 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 23:09:54,469 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 23:09:54,471 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 23:09:54,472 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 23:09:54,474 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 23:09:54,476 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 23:09:54,477 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 23:09:54,480 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 23:09:54,481 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 23:09:54,482 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 23:09:54,487 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 23:09:54,489 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 23:09:54,491 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 23:09:54,492 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 23:09:54,494 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 23:09:54,498 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 23:09:54,500 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 23:09:54,501 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 23:09:54,502 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 23:09:54,503 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 23:09:54,504 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 23:09:54,506 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 23:09:54,507 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 23:09:54,507 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 23:09:54,508 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 23:09:54,508 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 23:09:54,511 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 23:09:54,511 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 23:09:54,512 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 23:09:54,513 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 23:09:54,514 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 23:09:54,515 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 23:09:54,516 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 23:09:54,516 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 23:09:54,516 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 23:09:54,517 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 23:09:54,520 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 23:09:54,521 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 23:09:54,522 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 [2019-10-13 23:09:54,543 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 23:09:54,544 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 23:09:54,546 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 23:09:54,546 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 23:09:54,546 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 23:09:54,547 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 23:09:54,547 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 23:09:54,547 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 23:09:54,547 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 23:09:54,547 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 23:09:54,549 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 23:09:54,549 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 23:09:54,549 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 23:09:54,549 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 23:09:54,550 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 23:09:54,550 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 23:09:54,550 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 23:09:54,550 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 23:09:54,551 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 23:09:54,551 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 23:09:54,551 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 23:09:54,551 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 23:09:54,552 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 23:09:54,552 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 23:09:54,552 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 23:09:54,552 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 23:09:54,552 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 23:09:54,552 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 23:09:54,552 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 [2019-10-13 23:09:54,830 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 23:09:54,843 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 23:09:54,847 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 23:09:54,848 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 23:09:54,849 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 23:09:54,850 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec3_product35.cil.c [2019-10-13 23:09:54,911 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3fb0087e/737b43679ad04be5be9764a597853edb/FLAG92fe7c0ee [2019-10-13 23:09:55,535 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 23:09:55,536 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec3_product35.cil.c [2019-10-13 23:09:55,574 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3fb0087e/737b43679ad04be5be9764a597853edb/FLAG92fe7c0ee [2019-10-13 23:09:55,751 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3fb0087e/737b43679ad04be5be9764a597853edb [2019-10-13 23:09:55,762 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 23:09:55,763 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 23:09:55,764 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 23:09:55,764 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 23:09:55,768 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 23:09:55,769 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:09:55" (1/1) ... [2019-10-13 23:09:55,772 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52d5ae8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:09:55, skipping insertion in model container [2019-10-13 23:09:55,772 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:09:55" (1/1) ... [2019-10-13 23:09:55,780 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 23:09:55,874 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 23:09:56,745 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:09:56,783 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 23:09:56,946 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:09:57,078 INFO L192 MainTranslator]: Completed translation [2019-10-13 23:09:57,078 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:09:57 WrapperNode [2019-10-13 23:09:57,079 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 23:09:57,080 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 23:09:57,080 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 23:09:57,080 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 23:09:57,097 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:09:57" (1/1) ... [2019-10-13 23:09:57,098 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:09:57" (1/1) ... [2019-10-13 23:09:57,144 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:09:57" (1/1) ... [2019-10-13 23:09:57,144 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:09:57" (1/1) ... [2019-10-13 23:09:57,239 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:09:57" (1/1) ... [2019-10-13 23:09:57,284 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:09:57" (1/1) ... [2019-10-13 23:09:57,308 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:09:57" (1/1) ... [2019-10-13 23:09:57,336 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 23:09:57,336 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 23:09:57,337 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 23:09:57,337 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 23:09:57,338 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:09:57" (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 [2019-10-13 23:09:57,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 23:09:57,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 23:09:57,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 23:09:57,402 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-13 23:09:57,402 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-13 23:09:57,402 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-13 23:09:57,403 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-13 23:09:57,403 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-13 23:09:57,403 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-13 23:09:57,403 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-13 23:09:57,404 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-13 23:09:57,404 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 23:09:57,404 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 23:09:57,404 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-13 23:09:57,405 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-13 23:09:57,405 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-13 23:09:57,405 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-13 23:09:57,405 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-13 23:09:57,405 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-13 23:09:57,405 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-13 23:09:57,406 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-13 23:09:57,406 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-13 23:09:57,406 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-13 23:09:57,406 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-13 23:09:57,406 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-13 23:09:57,407 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-13 23:09:57,407 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-13 23:09:57,407 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-10-13 23:09:57,407 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2019-10-13 23:09:57,407 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-13 23:09:57,407 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-13 23:09:57,408 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2019-10-13 23:09:57,408 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-13 23:09:57,408 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-10-13 23:09:57,408 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-10-13 23:09:57,408 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-13 23:09:57,408 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-13 23:09:57,409 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-13 23:09:57,409 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-13 23:09:57,409 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-13 23:09:57,409 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-13 23:09:57,409 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-13 23:09:57,409 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-13 23:09:57,409 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-13 23:09:57,410 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-13 23:09:57,410 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-13 23:09:57,410 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-13 23:09:57,410 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-13 23:09:57,410 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-13 23:09:57,410 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignVerify_spec__1 [2019-10-13 23:09:57,411 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignVerify_spec__2 [2019-10-13 23:09:57,411 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-13 23:09:57,411 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-13 23:09:57,411 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-13 23:09:57,411 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-13 23:09:57,411 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-13 23:09:57,411 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-13 23:09:57,412 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-13 23:09:57,412 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-13 23:09:57,412 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-13 23:09:57,412 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-13 23:09:57,412 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-13 23:09:57,412 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-13 23:09:57,413 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-13 23:09:57,413 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-13 23:09:57,413 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-13 23:09:57,413 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-13 23:09:57,413 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-13 23:09:57,413 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-13 23:09:57,414 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-13 23:09:57,414 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-13 23:09:57,414 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-13 23:09:57,414 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-13 23:09:57,414 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-13 23:09:57,414 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-13 23:09:57,415 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-13 23:09:57,415 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-13 23:09:57,415 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-13 23:09:57,415 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-13 23:09:57,415 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-13 23:09:57,415 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-13 23:09:57,416 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-13 23:09:57,416 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-13 23:09:57,416 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-13 23:09:57,416 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-13 23:09:57,416 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-13 23:09:57,416 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-13 23:09:57,417 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-13 23:09:57,417 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-13 23:09:57,417 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-13 23:09:57,417 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-13 23:09:57,417 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-13 23:09:57,417 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-13 23:09:57,418 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-13 23:09:57,418 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-13 23:09:57,418 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-13 23:09:57,418 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-13 23:09:57,418 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-13 23:09:57,419 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-13 23:09:57,419 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-13 23:09:57,419 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-13 23:09:57,419 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-13 23:09:57,419 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2019-10-13 23:09:57,419 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2019-10-13 23:09:57,420 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-13 23:09:57,420 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-13 23:09:57,420 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-13 23:09:57,420 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-13 23:09:57,421 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-13 23:09:57,421 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 23:09:57,421 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 23:09:57,421 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 23:09:57,421 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 23:09:57,421 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 23:09:57,422 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 23:09:57,422 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 23:09:57,422 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 23:09:57,422 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 23:09:57,422 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 23:09:57,423 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-13 23:09:57,423 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 23:09:57,423 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 23:09:57,423 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 23:09:57,423 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 23:09:57,424 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 23:09:57,424 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-13 23:09:57,424 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-13 23:09:57,424 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-13 23:09:57,424 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-13 23:09:57,425 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-13 23:09:57,425 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-13 23:09:57,425 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-13 23:09:57,425 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-13 23:09:57,425 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-13 23:09:57,426 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-13 23:09:57,426 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-13 23:09:57,426 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-13 23:09:57,426 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-13 23:09:57,426 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 23:09:57,427 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 23:09:57,427 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 23:09:57,427 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-13 23:09:57,427 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-13 23:09:57,427 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-13 23:09:57,428 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-13 23:09:57,428 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-13 23:09:57,428 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-13 23:09:57,428 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-13 23:09:57,428 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-13 23:09:57,429 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-13 23:09:57,429 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-13 23:09:57,429 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-13 23:09:57,429 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 23:09:57,429 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 23:09:57,429 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 23:09:57,430 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-13 23:09:57,430 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-13 23:09:57,430 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-13 23:09:57,430 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-13 23:09:57,430 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-13 23:09:57,430 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-13 23:09:57,431 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-13 23:09:57,431 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-13 23:09:57,431 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-13 23:09:57,431 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-13 23:09:57,431 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-13 23:09:57,431 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-13 23:09:57,432 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-13 23:09:57,432 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-13 23:09:57,432 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-13 23:09:57,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 23:09:57,432 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-13 23:09:57,432 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-13 23:09:57,433 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-13 23:09:57,433 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-13 23:09:57,433 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-13 23:09:57,433 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-13 23:09:57,433 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-13 23:09:57,434 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-13 23:09:57,434 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-13 23:09:57,434 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-13 23:09:57,434 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-13 23:09:57,434 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-13 23:09:57,434 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-13 23:09:57,435 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-13 23:09:57,435 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-13 23:09:57,435 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-13 23:09:57,435 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-13 23:09:57,435 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-13 23:09:57,435 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-13 23:09:57,436 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-13 23:09:57,436 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-13 23:09:57,436 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-13 23:09:57,436 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-13 23:09:57,436 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-13 23:09:57,437 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-13 23:09:57,437 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-13 23:09:57,437 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-13 23:09:57,437 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-13 23:09:57,437 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-13 23:09:57,437 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-13 23:09:57,438 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-13 23:09:57,438 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-13 23:09:57,438 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-13 23:09:57,438 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-13 23:09:57,438 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-13 23:09:57,438 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignVerify_spec__1 [2019-10-13 23:09:57,439 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-13 23:09:57,439 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-10-13 23:09:57,439 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2019-10-13 23:09:57,439 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2019-10-13 23:09:57,439 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-13 23:09:57,439 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-10-13 23:09:57,440 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-10-13 23:09:57,440 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignVerify_spec__2 [2019-10-13 23:09:57,440 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 23:09:57,440 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-13 23:09:57,440 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-13 23:09:57,441 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-13 23:09:57,441 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-13 23:09:57,441 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-13 23:09:57,441 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-13 23:09:57,441 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-13 23:09:57,441 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-13 23:09:57,442 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-13 23:09:57,442 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-13 23:09:57,442 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-13 23:09:57,442 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-13 23:09:57,442 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-13 23:09:57,442 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-13 23:09:57,443 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-13 23:09:57,443 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-13 23:09:57,443 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-13 23:09:57,443 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-13 23:09:57,443 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-13 23:09:57,443 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2019-10-13 23:09:57,443 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2019-10-13 23:09:57,444 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-13 23:09:57,444 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 23:09:57,444 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 23:09:57,444 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 23:09:57,444 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 23:09:57,445 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 23:09:57,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 23:09:57,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 23:09:57,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 23:09:57,445 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 23:09:57,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 23:09:57,446 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 23:09:57,446 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 23:09:57,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 23:09:57,446 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 23:09:57,446 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 23:09:57,446 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 23:09:57,447 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 23:09:57,447 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-13 23:09:57,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 23:09:57,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 23:09:57,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 23:10:02,465 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 23:10:02,465 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-13 23:10:02,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:10:02 BoogieIcfgContainer [2019-10-13 23:10:02,467 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 23:10:02,472 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 23:10:02,472 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 23:10:02,476 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 23:10:02,476 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:09:55" (1/3) ... [2019-10-13 23:10:02,477 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6acf2a32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:10:02, skipping insertion in model container [2019-10-13 23:10:02,477 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:09:57" (2/3) ... [2019-10-13 23:10:02,478 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6acf2a32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:10:02, skipping insertion in model container [2019-10-13 23:10:02,478 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:10:02" (3/3) ... [2019-10-13 23:10:02,480 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec3_product35.cil.c [2019-10-13 23:10:02,490 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 23:10:02,500 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 23:10:02,513 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 23:10:02,544 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 23:10:02,544 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 23:10:02,544 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 23:10:02,544 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 23:10:02,544 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 23:10:02,545 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 23:10:02,545 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 23:10:02,545 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 23:10:02,577 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states. [2019-10-13 23:10:02,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2019-10-13 23:10:02,595 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:10:02,597 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] [2019-10-13 23:10:02,599 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:10:02,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:10:02,605 INFO L82 PathProgramCache]: Analyzing trace with hash -2039203991, now seen corresponding path program 1 times [2019-10-13 23:10:02,614 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:10:02,614 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10839552] [2019-10-13 23:10:02,614 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:10:02,615 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:10:02,615 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:10:03,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:10:03,328 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-13 23:10:03,329 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10839552] [2019-10-13 23:10:03,330 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:10:03,331 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 23:10:03,331 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293096938] [2019-10-13 23:10:03,339 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 23:10:03,340 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:10:03,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 23:10:03,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 23:10:03,364 INFO L87 Difference]: Start difference. First operand 490 states. Second operand 2 states. [2019-10-13 23:10:03,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:10:03,500 INFO L93 Difference]: Finished difference Result 755 states and 910 transitions. [2019-10-13 23:10:03,500 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 23:10:03,502 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 159 [2019-10-13 23:10:03,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:10:03,538 INFO L225 Difference]: With dead ends: 755 [2019-10-13 23:10:03,538 INFO L226 Difference]: Without dead ends: 463 [2019-10-13 23:10:03,553 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 [2019-10-13 23:10:03,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 463 states. [2019-10-13 23:10:03,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 463 to 463. [2019-10-13 23:10:03,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 463 states. [2019-10-13 23:10:03,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 463 states and 550 transitions. [2019-10-13 23:10:03,650 INFO L78 Accepts]: Start accepts. Automaton has 463 states and 550 transitions. Word has length 159 [2019-10-13 23:10:03,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:10:03,653 INFO L462 AbstractCegarLoop]: Abstraction has 463 states and 550 transitions. [2019-10-13 23:10:03,653 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 23:10:03,653 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 550 transitions. [2019-10-13 23:10:03,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2019-10-13 23:10:03,665 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:10:03,666 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] [2019-10-13 23:10:03,666 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:10:03,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:10:03,667 INFO L82 PathProgramCache]: Analyzing trace with hash -812168554, now seen corresponding path program 1 times [2019-10-13 23:10:03,667 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:10:03,668 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389420993] [2019-10-13 23:10:03,668 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:10:03,668 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:10:03,668 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:10:03,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:10:04,098 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-13 23:10:04,099 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389420993] [2019-10-13 23:10:04,099 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:10:04,099 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:10:04,099 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092668931] [2019-10-13 23:10:04,103 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:10:04,103 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:10:04,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:10:04,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:10:04,104 INFO L87 Difference]: Start difference. First operand 463 states and 550 transitions. Second operand 3 states. [2019-10-13 23:10:04,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:10:04,192 INFO L93 Difference]: Finished difference Result 740 states and 873 transitions. [2019-10-13 23:10:04,193 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:10:04,193 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 160 [2019-10-13 23:10:04,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:10:04,204 INFO L225 Difference]: With dead ends: 740 [2019-10-13 23:10:04,204 INFO L226 Difference]: Without dead ends: 465 [2019-10-13 23:10:04,207 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 [2019-10-13 23:10:04,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2019-10-13 23:10:04,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 465. [2019-10-13 23:10:04,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 465 states. [2019-10-13 23:10:04,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 552 transitions. [2019-10-13 23:10:04,289 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 552 transitions. Word has length 160 [2019-10-13 23:10:04,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:10:04,290 INFO L462 AbstractCegarLoop]: Abstraction has 465 states and 552 transitions. [2019-10-13 23:10:04,291 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:10:04,291 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 552 transitions. [2019-10-13 23:10:04,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2019-10-13 23:10:04,299 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:10:04,300 INFO L380 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, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:10:04,300 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:10:04,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:10:04,301 INFO L82 PathProgramCache]: Analyzing trace with hash -675886756, now seen corresponding path program 1 times [2019-10-13 23:10:04,301 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:10:04,301 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952587623] [2019-10-13 23:10:04,301 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:10:04,301 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:10:04,302 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:10:04,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:10:04,650 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-13 23:10:04,650 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952587623] [2019-10-13 23:10:04,651 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:10:04,651 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:10:04,651 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353860911] [2019-10-13 23:10:04,652 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:10:04,652 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:10:04,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:10:04,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:10:04,653 INFO L87 Difference]: Start difference. First operand 465 states and 552 transitions. Second operand 3 states. [2019-10-13 23:10:04,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:10:04,700 INFO L93 Difference]: Finished difference Result 916 states and 1117 transitions. [2019-10-13 23:10:04,700 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:10:04,701 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 172 [2019-10-13 23:10:04,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:10:04,706 INFO L225 Difference]: With dead ends: 916 [2019-10-13 23:10:04,707 INFO L226 Difference]: Without dead ends: 509 [2019-10-13 23:10:04,710 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 [2019-10-13 23:10:04,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 509 states. [2019-10-13 23:10:04,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 509 to 508. [2019-10-13 23:10:04,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 508 states. [2019-10-13 23:10:04,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 508 states and 626 transitions. [2019-10-13 23:10:04,744 INFO L78 Accepts]: Start accepts. Automaton has 508 states and 626 transitions. Word has length 172 [2019-10-13 23:10:04,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:10:04,745 INFO L462 AbstractCegarLoop]: Abstraction has 508 states and 626 transitions. [2019-10-13 23:10:04,745 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:10:04,748 INFO L276 IsEmpty]: Start isEmpty. Operand 508 states and 626 transitions. [2019-10-13 23:10:04,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2019-10-13 23:10:04,754 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:10:04,754 INFO L380 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, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:10:04,754 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:10:04,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:10:04,755 INFO L82 PathProgramCache]: Analyzing trace with hash 1028250174, now seen corresponding path program 1 times [2019-10-13 23:10:04,755 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:10:04,755 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195541746] [2019-10-13 23:10:04,756 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:10:04,756 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:10:04,756 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:10:04,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:10:05,384 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2019-10-13 23:10:05,798 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-10-13 23:10:05,799 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195541746] [2019-10-13 23:10:05,799 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:10:05,799 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2019-10-13 23:10:05,799 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398040428] [2019-10-13 23:10:05,801 INFO L442 AbstractCegarLoop]: Interpolant automaton has 27 states [2019-10-13 23:10:05,801 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:10:05,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2019-10-13 23:10:05,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=634, Unknown=0, NotChecked=0, Total=702 [2019-10-13 23:10:05,802 INFO L87 Difference]: Start difference. First operand 508 states and 626 transitions. Second operand 27 states. [2019-10-13 23:10:24,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:10:24,371 INFO L93 Difference]: Finished difference Result 1509 states and 1828 transitions. [2019-10-13 23:10:24,372 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2019-10-13 23:10:24,372 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 173 [2019-10-13 23:10:24,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:10:24,390 INFO L225 Difference]: With dead ends: 1509 [2019-10-13 23:10:24,391 INFO L226 Difference]: Without dead ends: 1234 [2019-10-13 23:10:24,397 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 839 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=434, Invalid=3472, Unknown=0, NotChecked=0, Total=3906 [2019-10-13 23:10:24,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1234 states. [2019-10-13 23:10:24,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1234 to 1223. [2019-10-13 23:10:24,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1223 states. [2019-10-13 23:10:24,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1223 states to 1223 states and 1474 transitions. [2019-10-13 23:10:24,505 INFO L78 Accepts]: Start accepts. Automaton has 1223 states and 1474 transitions. Word has length 173 [2019-10-13 23:10:24,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:10:24,507 INFO L462 AbstractCegarLoop]: Abstraction has 1223 states and 1474 transitions. [2019-10-13 23:10:24,507 INFO L463 AbstractCegarLoop]: Interpolant automaton has 27 states. [2019-10-13 23:10:24,507 INFO L276 IsEmpty]: Start isEmpty. Operand 1223 states and 1474 transitions. [2019-10-13 23:10:24,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2019-10-13 23:10:24,511 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:10:24,511 INFO L380 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:10:24,512 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:10:24,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:10:24,513 INFO L82 PathProgramCache]: Analyzing trace with hash -2009297062, now seen corresponding path program 1 times [2019-10-13 23:10:24,513 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:10:24,513 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021922350] [2019-10-13 23:10:24,513 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:10:24,514 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:10:24,514 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:10:24,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:10:25,795 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-10-13 23:10:25,796 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021922350] [2019-10-13 23:10:25,796 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1236596984] [2019-10-13 23:10:25,796 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 [2019-10-13 23:10:26,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:10:26,440 INFO L256 TraceCheckSpWp]: Trace formula consists of 3202 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-13 23:10:26,459 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 23:10:26,600 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-13 23:10:26,600 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 23:10:26,882 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-13 23:10:26,882 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [195204874] [2019-10-13 23:10:26,913 INFO L162 IcfgInterpreter]: Started Sifa with 162 locations of interest [2019-10-13 23:10:26,913 INFO L169 IcfgInterpreter]: Building call graph [2019-10-13 23:10:26,920 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-13 23:10:26,927 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-13 23:10:26,927 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs