java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/email_spec0_product34.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 03:10:44,422 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 03:10:44,425 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 03:10:44,441 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 03:10:44,441 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 03:10:44,443 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 03:10:44,444 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 03:10:44,447 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 03:10:44,452 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 03:10:44,454 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 03:10:44,457 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 03:10:44,458 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 03:10:44,459 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 03:10:44,461 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 03:10:44,462 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 03:10:44,463 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 03:10:44,465 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 03:10:44,466 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 03:10:44,468 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 03:10:44,473 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 03:10:44,477 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 03:10:44,478 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 03:10:44,480 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 03:10:44,481 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 03:10:44,485 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 03:10:44,486 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 03:10:44,486 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 03:10:44,488 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 03:10:44,489 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 03:10:44,492 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 03:10:44,492 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 03:10:44,494 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 03:10:44,495 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 03:10:44,496 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 03:10:44,500 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 03:10:44,501 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 03:10:44,501 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 03:10:44,502 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 03:10:44,502 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 03:10:44,504 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 03:10:44,508 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 03:10:44,509 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 03:10:44,535 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 03:10:44,535 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 03:10:44,537 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 03:10:44,537 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 03:10:44,537 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 03:10:44,537 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 03:10:44,538 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 03:10:44,538 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 03:10:44,538 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 03:10:44,538 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 03:10:44,538 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 03:10:44,539 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 03:10:44,539 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 03:10:44,539 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 03:10:44,539 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 03:10:44,539 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 03:10:44,539 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 03:10:44,540 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 03:10:44,540 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 03:10:44,540 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 03:10:44,540 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 03:10:44,541 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 03:10:44,541 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 03:10:44,541 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 03:10:44,541 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 03:10:44,541 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 03:10:44,541 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 03:10:44,542 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 03:10:44,542 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 03:10:44,864 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 03:10:44,877 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 03:10:44,881 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 03:10:44,883 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 03:10:44,883 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 03:10:44,884 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec0_product34.cil.c [2019-10-15 03:10:44,966 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04e997814/27c9b8f1f3404e3980da1937bfc3346b/FLAG62d3560fe [2019-10-15 03:10:45,630 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 03:10:45,631 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec0_product34.cil.c [2019-10-15 03:10:45,653 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04e997814/27c9b8f1f3404e3980da1937bfc3346b/FLAG62d3560fe [2019-10-15 03:10:45,862 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04e997814/27c9b8f1f3404e3980da1937bfc3346b [2019-10-15 03:10:45,873 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 03:10:45,875 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 03:10:45,876 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 03:10:45,876 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 03:10:45,879 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 03:10:45,880 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:10:45" (1/1) ... [2019-10-15 03:10:45,883 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a30decc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:10:45, skipping insertion in model container [2019-10-15 03:10:45,883 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:10:45" (1/1) ... [2019-10-15 03:10:45,889 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 03:10:45,962 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 03:10:46,836 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:10:46,868 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 03:10:47,003 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:10:47,168 INFO L192 MainTranslator]: Completed translation [2019-10-15 03:10:47,169 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:10:47 WrapperNode [2019-10-15 03:10:47,170 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 03:10:47,171 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 03:10:47,171 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 03:10:47,171 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 03:10:47,188 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:10:47" (1/1) ... [2019-10-15 03:10:47,189 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:10:47" (1/1) ... [2019-10-15 03:10:47,225 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:10:47" (1/1) ... [2019-10-15 03:10:47,226 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:10:47" (1/1) ... [2019-10-15 03:10:47,288 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:10:47" (1/1) ... [2019-10-15 03:10:47,317 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:10:47" (1/1) ... [2019-10-15 03:10:47,335 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:10:47" (1/1) ... [2019-10-15 03:10:47,354 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 03:10:47,355 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 03:10:47,355 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 03:10:47,356 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 03:10:47,357 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:10:47" (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 03:10:47,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 03:10:47,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 03:10:47,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 03:10:47,426 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-15 03:10:47,426 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-15 03:10:47,426 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-15 03:10:47,427 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-15 03:10:47,427 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-15 03:10:47,427 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-15 03:10:47,427 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-15 03:10:47,427 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-15 03:10:47,428 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 03:10:47,428 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 03:10:47,428 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-15 03:10:47,428 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-15 03:10:47,428 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-15 03:10:47,429 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-15 03:10:47,429 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-15 03:10:47,429 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-15 03:10:47,429 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-15 03:10:47,430 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-15 03:10:47,430 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-15 03:10:47,430 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-15 03:10:47,430 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-15 03:10:47,430 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 03:10:47,431 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 03:10:47,431 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 03:10:47,431 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 03:10:47,431 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 03:10:47,431 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 03:10:47,431 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-15 03:10:47,432 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-15 03:10:47,432 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-15 03:10:47,432 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-15 03:10:47,432 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-15 03:10:47,432 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-15 03:10:47,432 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-15 03:10:47,433 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-15 03:10:47,433 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-15 03:10:47,433 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-15 03:10:47,433 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-15 03:10:47,433 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-15 03:10:47,433 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-15 03:10:47,433 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-15 03:10:47,434 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-15 03:10:47,434 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-15 03:10:47,434 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-15 03:10:47,434 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-15 03:10:47,434 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-15 03:10:47,434 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-15 03:10:47,434 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-15 03:10:47,435 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-15 03:10:47,435 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-15 03:10:47,435 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-15 03:10:47,435 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-15 03:10:47,435 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-15 03:10:47,435 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-15 03:10:47,436 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-15 03:10:47,436 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-15 03:10:47,436 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 03:10:47,436 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 03:10:47,436 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 03:10:47,436 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 03:10:47,437 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 03:10:47,437 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 03:10:47,437 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-15 03:10:47,437 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2019-10-15 03:10:47,437 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2019-10-15 03:10:47,437 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-15 03:10:47,437 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-15 03:10:47,438 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-15 03:10:47,438 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-15 03:10:47,438 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-15 03:10:47,438 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-15 03:10:47,438 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-15 03:10:47,438 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-15 03:10:47,439 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-15 03:10:47,439 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-15 03:10:47,439 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-15 03:10:47,439 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-15 03:10:47,439 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-15 03:10:47,439 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-15 03:10:47,440 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-15 03:10:47,440 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-15 03:10:47,440 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-15 03:10:47,440 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-15 03:10:47,440 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-15 03:10:47,440 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-15 03:10:47,440 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-15 03:10:47,441 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-15 03:10:47,441 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-15 03:10:47,441 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-15 03:10:47,441 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-15 03:10:47,441 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-15 03:10:47,441 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptForward_spec__1 [2019-10-15 03:10:47,442 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-15 03:10:47,442 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-15 03:10:47,442 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-15 03:10:47,442 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2019-10-15 03:10:47,442 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2019-10-15 03:10:47,442 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-15 03:10:47,442 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-15 03:10:47,443 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-15 03:10:47,443 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-10-15 03:10:47,443 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-10-15 03:10:47,443 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-15 03:10:47,443 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-15 03:10:47,443 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-15 03:10:47,444 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-15 03:10:47,444 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-15 03:10:47,444 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-15 03:10:47,444 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-15 03:10:47,444 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-15 03:10:47,444 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-15 03:10:47,444 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-15 03:10:47,445 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-15 03:10:47,445 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-15 03:10:47,445 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-15 03:10:47,445 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 03:10:47,445 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 03:10:47,445 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 03:10:47,446 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-15 03:10:47,446 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-15 03:10:47,446 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-15 03:10:47,446 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-15 03:10:47,446 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-15 03:10:47,446 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-15 03:10:47,446 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-15 03:10:47,447 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-15 03:10:47,447 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-15 03:10:47,447 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-15 03:10:47,447 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-15 03:10:47,447 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-15 03:10:47,447 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 03:10:47,448 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 03:10:47,448 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 03:10:47,448 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-15 03:10:47,448 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-15 03:10:47,448 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-15 03:10:47,448 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-15 03:10:47,449 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-15 03:10:47,449 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-15 03:10:47,449 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-15 03:10:47,449 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-15 03:10:47,449 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-15 03:10:47,449 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-15 03:10:47,450 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-15 03:10:47,450 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 03:10:47,450 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 03:10:47,450 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 03:10:47,450 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-15 03:10:47,450 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-15 03:10:47,450 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-15 03:10:47,451 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-15 03:10:47,451 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-15 03:10:47,451 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-15 03:10:47,451 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-15 03:10:47,451 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-15 03:10:47,451 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-15 03:10:47,451 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-15 03:10:47,452 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-15 03:10:47,452 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-15 03:10:47,452 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-15 03:10:47,452 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-15 03:10:47,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 03:10:47,452 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 03:10:47,452 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 03:10:47,452 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-15 03:10:47,453 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-15 03:10:47,453 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-15 03:10:47,453 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-15 03:10:47,453 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-15 03:10:47,453 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-15 03:10:47,453 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-15 03:10:47,453 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-15 03:10:47,454 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-15 03:10:47,454 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-15 03:10:47,454 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-15 03:10:47,454 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-15 03:10:47,454 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-15 03:10:47,454 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-15 03:10:47,454 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-15 03:10:47,455 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-15 03:10:47,455 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-15 03:10:47,455 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-15 03:10:47,455 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 03:10:47,455 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 03:10:47,455 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 03:10:47,456 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 03:10:47,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 03:10:47,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 03:10:47,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 03:10:47,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 03:10:47,456 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 03:10:47,457 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 03:10:47,457 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 03:10:47,457 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 03:10:47,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 03:10:47,457 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 03:10:47,457 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 03:10:47,458 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 03:10:47,458 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-15 03:10:47,458 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-15 03:10:47,458 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-15 03:10:47,458 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-15 03:10:47,458 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-15 03:10:47,459 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-15 03:10:47,459 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-15 03:10:47,459 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-15 03:10:47,459 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-15 03:10:47,459 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-15 03:10:47,459 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-15 03:10:47,460 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-15 03:10:47,460 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-15 03:10:47,460 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-15 03:10:47,460 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-15 03:10:47,460 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2019-10-15 03:10:47,460 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2019-10-15 03:10:47,461 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-15 03:10:47,461 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-15 03:10:47,461 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-15 03:10:47,461 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-15 03:10:47,461 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-15 03:10:47,461 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-15 03:10:47,462 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-15 03:10:47,462 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-15 03:10:47,462 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-15 03:10:47,462 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-15 03:10:47,462 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-15 03:10:47,462 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-15 03:10:47,463 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptForward_spec__1 [2019-10-15 03:10:47,463 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-15 03:10:47,463 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-15 03:10:47,463 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-15 03:10:47,463 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-15 03:10:47,463 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-15 03:10:47,464 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-15 03:10:47,464 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-15 03:10:47,464 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-15 03:10:47,464 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-15 03:10:47,464 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-15 03:10:47,464 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-15 03:10:47,464 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-15 03:10:47,465 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2019-10-15 03:10:47,465 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2019-10-15 03:10:47,465 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-15 03:10:47,465 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-10-15 03:10:47,465 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-10-15 03:10:47,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 03:10:47,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 03:10:47,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 03:10:51,852 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 03:10:51,852 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-15 03:10:51,855 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:10:51 BoogieIcfgContainer [2019-10-15 03:10:51,856 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 03:10:51,857 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 03:10:51,857 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 03:10:51,860 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 03:10:51,860 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 03:10:45" (1/3) ... [2019-10-15 03:10:51,861 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@392d16d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:10:51, skipping insertion in model container [2019-10-15 03:10:51,861 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:10:47" (2/3) ... [2019-10-15 03:10:51,862 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@392d16d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:10:51, skipping insertion in model container [2019-10-15 03:10:51,865 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:10:51" (3/3) ... [2019-10-15 03:10:51,868 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec0_product34.cil.c [2019-10-15 03:10:51,878 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 03:10:51,890 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 03:10:51,899 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 03:10:51,930 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 03:10:51,930 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 03:10:51,930 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 03:10:51,930 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 03:10:51,930 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 03:10:51,931 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 03:10:51,931 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 03:10:51,931 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 03:10:51,963 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states. [2019-10-15 03:10:51,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2019-10-15 03:10:51,997 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:10:51,998 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 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] [2019-10-15 03:10:52,001 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:10:52,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:10:52,007 INFO L82 PathProgramCache]: Analyzing trace with hash 1799427517, now seen corresponding path program 1 times [2019-10-15 03:10:52,014 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:10:52,015 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211267967] [2019-10-15 03:10:52,015 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:10:52,015 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:10:52,015 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:10:52,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:10:52,688 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-15 03:10:52,689 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211267967] [2019-10-15 03:10:52,690 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:10:52,690 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 03:10:52,690 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305133764] [2019-10-15 03:10:52,695 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 03:10:52,696 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:10:52,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 03:10:52,711 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 03:10:52,713 INFO L87 Difference]: Start difference. First operand 452 states. Second operand 2 states. [2019-10-15 03:10:52,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:10:52,806 INFO L93 Difference]: Finished difference Result 686 states and 820 transitions. [2019-10-15 03:10:52,806 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 03:10:52,809 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 184 [2019-10-15 03:10:52,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:10:52,834 INFO L225 Difference]: With dead ends: 686 [2019-10-15 03:10:52,834 INFO L226 Difference]: Without dead ends: 425 [2019-10-15 03:10:52,841 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 03:10:52,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2019-10-15 03:10:52,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 425. [2019-10-15 03:10:52,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 425 states. [2019-10-15 03:10:52,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 502 transitions. [2019-10-15 03:10:52,992 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 502 transitions. Word has length 184 [2019-10-15 03:10:52,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:10:52,994 INFO L462 AbstractCegarLoop]: Abstraction has 425 states and 502 transitions. [2019-10-15 03:10:52,994 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 03:10:52,994 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 502 transitions. [2019-10-15 03:10:53,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2019-10-15 03:10:53,001 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:10:53,001 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 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] [2019-10-15 03:10:53,002 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:10:53,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:10:53,003 INFO L82 PathProgramCache]: Analyzing trace with hash -734008651, now seen corresponding path program 1 times [2019-10-15 03:10:53,003 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:10:53,003 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467711460] [2019-10-15 03:10:53,003 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:10:53,004 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:10:53,004 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:10:53,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:10:53,257 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-15 03:10:53,258 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467711460] [2019-10-15 03:10:53,258 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:10:53,258 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:10:53,259 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238968622] [2019-10-15 03:10:53,264 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:10:53,265 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:10:53,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:10:53,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:10:53,265 INFO L87 Difference]: Start difference. First operand 425 states and 502 transitions. Second operand 3 states. [2019-10-15 03:10:53,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:10:53,352 INFO L93 Difference]: Finished difference Result 671 states and 784 transitions. [2019-10-15 03:10:53,354 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:10:53,354 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 185 [2019-10-15 03:10:53,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:10:53,368 INFO L225 Difference]: With dead ends: 671 [2019-10-15 03:10:53,368 INFO L226 Difference]: Without dead ends: 427 [2019-10-15 03:10:53,374 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 03:10:53,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2019-10-15 03:10:53,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 427. [2019-10-15 03:10:53,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 427 states. [2019-10-15 03:10:53,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 504 transitions. [2019-10-15 03:10:53,436 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 504 transitions. Word has length 185 [2019-10-15 03:10:53,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:10:53,437 INFO L462 AbstractCegarLoop]: Abstraction has 427 states and 504 transitions. [2019-10-15 03:10:53,437 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:10:53,437 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 504 transitions. [2019-10-15 03:10:53,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2019-10-15 03:10:53,444 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:10:53,445 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 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] [2019-10-15 03:10:53,445 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:10:53,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:10:53,446 INFO L82 PathProgramCache]: Analyzing trace with hash -2046027777, now seen corresponding path program 1 times [2019-10-15 03:10:53,446 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:10:53,446 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719016805] [2019-10-15 03:10:53,447 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:10:53,447 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:10:53,447 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:10:53,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:10:53,661 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-15 03:10:53,661 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719016805] [2019-10-15 03:10:53,661 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:10:53,662 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:10:53,662 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150049702] [2019-10-15 03:10:53,663 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:10:53,663 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:10:53,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:10:53,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:10:53,664 INFO L87 Difference]: Start difference. First operand 427 states and 504 transitions. Second operand 3 states. [2019-10-15 03:10:53,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:10:53,702 INFO L93 Difference]: Finished difference Result 838 states and 1018 transitions. [2019-10-15 03:10:53,702 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:10:53,702 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 190 [2019-10-15 03:10:53,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:10:53,708 INFO L225 Difference]: With dead ends: 838 [2019-10-15 03:10:53,708 INFO L226 Difference]: Without dead ends: 469 [2019-10-15 03:10:53,710 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 [2019-10-15 03:10:53,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2019-10-15 03:10:53,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 468. [2019-10-15 03:10:53,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 468 states. [2019-10-15 03:10:53,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 575 transitions. [2019-10-15 03:10:53,737 INFO L78 Accepts]: Start accepts. Automaton has 468 states and 575 transitions. Word has length 190 [2019-10-15 03:10:53,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:10:53,738 INFO L462 AbstractCegarLoop]: Abstraction has 468 states and 575 transitions. [2019-10-15 03:10:53,738 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:10:53,738 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 575 transitions. [2019-10-15 03:10:53,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2019-10-15 03:10:53,742 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:10:53,743 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 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] [2019-10-15 03:10:53,743 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:10:53,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:10:53,744 INFO L82 PathProgramCache]: Analyzing trace with hash 1009745432, now seen corresponding path program 1 times [2019-10-15 03:10:53,744 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:10:53,744 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528206925] [2019-10-15 03:10:53,744 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:10:53,744 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:10:53,745 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:10:53,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:10:54,568 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-10-15 03:10:54,569 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528206925] [2019-10-15 03:10:54,569 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2011020962] [2019-10-15 03:10:54,569 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 03:10:55,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:10:55,235 INFO L256 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-15 03:10:55,254 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 03:10:55,378 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-15 03:10:55,378 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 03:10:55,709 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-15 03:10:55,710 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [864493566] [2019-10-15 03:10:55,750 INFO L162 IcfgInterpreter]: Started Sifa with 166 locations of interest [2019-10-15 03:10:55,750 INFO L169 IcfgInterpreter]: Building call graph [2019-10-15 03:10:55,767 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-15 03:10:55,776 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-15 03:10:55,777 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs