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_spec1_product28.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 23:07:41,459 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 23:07:41,462 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 23:07:41,482 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 23:07:41,482 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 23:07:41,485 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 23:07:41,487 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 23:07:41,499 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 23:07:41,501 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 23:07:41,502 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 23:07:41,503 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 23:07:41,504 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 23:07:41,504 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 23:07:41,505 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 23:07:41,506 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 23:07:41,508 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 23:07:41,508 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 23:07:41,509 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 23:07:41,511 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 23:07:41,513 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 23:07:41,514 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 23:07:41,516 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 23:07:41,517 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 23:07:41,517 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 23:07:41,520 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 23:07:41,520 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 23:07:41,520 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 23:07:41,521 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 23:07:41,521 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 23:07:41,522 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 23:07:41,523 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 23:07:41,524 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 23:07:41,524 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 23:07:41,525 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 23:07:41,526 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 23:07:41,526 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 23:07:41,527 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 23:07:41,527 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 23:07:41,527 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 23:07:41,528 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 23:07:41,529 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 23:07:41,530 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 23:07:41,545 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 23:07:41,546 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 23:07:41,547 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 23:07:41,547 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 23:07:41,547 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 23:07:41,548 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 23:07:41,548 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 23:07:41,548 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 23:07:41,548 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 23:07:41,549 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 23:07:41,549 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 23:07:41,549 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 23:07:41,549 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 23:07:41,549 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 23:07:41,550 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 23:07:41,550 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 23:07:41,550 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 23:07:41,550 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 23:07:41,550 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 23:07:41,551 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 23:07:41,551 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 23:07:41,551 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 23:07:41,551 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 23:07:41,551 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 23:07:41,552 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 23:07:41,552 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 23:07:41,552 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 23:07:41,552 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 23:07:41,553 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 23:07:41,836 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 23:07:41,852 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 23:07:41,856 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 23:07:41,858 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 23:07:41,858 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 23:07:41,859 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec1_product28.cil.c [2019-10-13 23:07:41,941 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e39e6e58/85665e449dfb45a796ada7c636bbbf47/FLAG873f838b0 [2019-10-13 23:07:42,650 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 23:07:42,651 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec1_product28.cil.c [2019-10-13 23:07:42,684 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e39e6e58/85665e449dfb45a796ada7c636bbbf47/FLAG873f838b0 [2019-10-13 23:07:42,862 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e39e6e58/85665e449dfb45a796ada7c636bbbf47 [2019-10-13 23:07:42,873 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 23:07:42,875 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 23:07:42,877 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 23:07:42,877 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 23:07:42,880 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 23:07:42,881 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:07:42" (1/1) ... [2019-10-13 23:07:42,885 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@651415e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:07:42, skipping insertion in model container [2019-10-13 23:07:42,885 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:07:42" (1/1) ... [2019-10-13 23:07:42,894 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 23:07:42,981 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 23:07:43,782 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:07:43,801 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 23:07:43,927 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:07:44,028 INFO L192 MainTranslator]: Completed translation [2019-10-13 23:07:44,028 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:07:44 WrapperNode [2019-10-13 23:07:44,029 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 23:07:44,029 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 23:07:44,030 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 23:07:44,030 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 23:07:44,046 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:07:44" (1/1) ... [2019-10-13 23:07:44,046 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:07:44" (1/1) ... [2019-10-13 23:07:44,082 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:07:44" (1/1) ... [2019-10-13 23:07:44,083 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:07:44" (1/1) ... [2019-10-13 23:07:44,143 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:07:44" (1/1) ... [2019-10-13 23:07:44,169 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:07:44" (1/1) ... [2019-10-13 23:07:44,182 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:07:44" (1/1) ... [2019-10-13 23:07:44,200 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 23:07:44,201 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 23:07:44,201 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 23:07:44,201 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 23:07:44,205 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:07:44" (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 23:07:44,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 23:07:44,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 23:07:44,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 23:07:44,290 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-13 23:07:44,290 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-13 23:07:44,291 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-13 23:07:44,292 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-13 23:07:44,292 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-13 23:07:44,292 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-13 23:07:44,292 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-13 23:07:44,293 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-13 23:07:44,294 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-13 23:07:44,294 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-13 23:07:44,294 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-13 23:07:44,295 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-13 23:07:44,295 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-13 23:07:44,298 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-13 23:07:44,298 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-13 23:07:44,298 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-13 23:07:44,299 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-13 23:07:44,299 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-13 23:07:44,300 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-13 23:07:44,300 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-13 23:07:44,300 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-13 23:07:44,301 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-13 23:07:44,301 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-13 23:07:44,301 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-13 23:07:44,301 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-13 23:07:44,301 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-13 23:07:44,302 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-13 23:07:44,302 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-13 23:07:44,302 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-13 23:07:44,303 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 23:07:44,303 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 23:07:44,303 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 23:07:44,303 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 23:07:44,303 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 23:07:44,304 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 23:07:44,304 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-13 23:07:44,304 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 23:07:44,304 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 23:07:44,304 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 23:07:44,305 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 23:07:44,305 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__AddressBookEncrypt_spec__1 [2019-10-13 23:07:44,305 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-13 23:07:44,305 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Encrypt [2019-10-13 23:07:44,305 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2019-10-13 23:07:44,305 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-13 23:07:44,306 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-13 23:07:44,306 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-13 23:07:44,306 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-13 23:07:44,306 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-13 23:07:44,307 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-13 23:07:44,307 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-13 23:07:44,308 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-13 23:07:44,308 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-13 23:07:44,308 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-13 23:07:44,308 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-13 23:07:44,309 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-13 23:07:44,309 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-13 23:07:44,309 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 23:07:44,310 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 23:07:44,310 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-13 23:07:44,310 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-13 23:07:44,310 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-13 23:07:44,310 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-13 23:07:44,311 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-13 23:07:44,311 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-13 23:07:44,311 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-13 23:07:44,311 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-13 23:07:44,311 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-13 23:07:44,311 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 23:07:44,312 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 23:07:44,313 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-13 23:07:44,313 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-13 23:07:44,313 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-13 23:07:44,314 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-13 23:07:44,314 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-13 23:07:44,314 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-13 23:07:44,315 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-13 23:07:44,316 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-13 23:07:44,316 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-13 23:07:44,316 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-13 23:07:44,316 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-13 23:07:44,317 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-13 23:07:44,317 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-13 23:07:44,318 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-13 23:07:44,318 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-13 23:07:44,318 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-13 23:07:44,318 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-13 23:07:44,319 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-13 23:07:44,319 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-13 23:07:44,319 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-13 23:07:44,319 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-13 23:07:44,319 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-13 23:07:44,319 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-13 23:07:44,320 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2019-10-13 23:07:44,320 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-13 23:07:44,320 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-13 23:07:44,320 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-13 23:07:44,320 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-10-13 23:07:44,321 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-13 23:07:44,321 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-13 23:07:44,321 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-13 23:07:44,321 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-13 23:07:44,321 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-13 23:07:44,321 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-13 23:07:44,322 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-13 23:07:44,322 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-13 23:07:44,322 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-13 23:07:44,322 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-13 23:07:44,322 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-13 23:07:44,322 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 23:07:44,323 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 23:07:44,323 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-13 23:07:44,323 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-13 23:07:44,324 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-13 23:07:44,324 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-13 23:07:44,324 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-13 23:07:44,324 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-13 23:07:44,325 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-13 23:07:44,325 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-13 23:07:44,325 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-13 23:07:44,325 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-13 23:07:44,326 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-13 23:07:44,327 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-13 23:07:44,327 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-13 23:07:44,327 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-13 23:07:44,327 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-13 23:07:44,327 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-13 23:07:44,327 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-13 23:07:44,328 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-13 23:07:44,328 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-13 23:07:44,329 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-13 23:07:44,333 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-13 23:07:44,333 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-13 23:07:44,334 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-13 23:07:44,334 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-13 23:07:44,335 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-13 23:07:44,335 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-13 23:07:44,335 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-13 23:07:44,335 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-13 23:07:44,335 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-13 23:07:44,336 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 23:07:44,345 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 23:07:44,345 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 23:07:44,345 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 23:07:44,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 23:07:44,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 23:07:44,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 23:07:44,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 23:07:44,346 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 23:07:44,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 23:07:44,347 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 23:07:44,347 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 23:07:44,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 23:07:44,348 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 23:07:44,348 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 23:07:44,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 23:07:44,348 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 23:07:44,348 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 23:07:44,349 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-13 23:07:44,349 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 23:07:44,349 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 23:07:44,349 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 23:07:44,349 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 23:07:44,349 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 23:07:44,350 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-13 23:07:44,350 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-13 23:07:44,350 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__AddressBookEncrypt_spec__1 [2019-10-13 23:07:44,350 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-13 23:07:44,350 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-13 23:07:44,350 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-13 23:07:44,351 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-13 23:07:44,351 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-13 23:07:44,351 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-13 23:07:44,351 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-13 23:07:44,351 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-13 23:07:44,351 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-13 23:07:44,351 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-13 23:07:44,352 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-13 23:07:44,352 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-13 23:07:44,352 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-13 23:07:44,352 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-13 23:07:44,352 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Encrypt [2019-10-13 23:07:44,352 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2019-10-13 23:07:44,352 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-13 23:07:44,353 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-13 23:07:44,353 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-13 23:07:44,353 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-13 23:07:44,353 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-13 23:07:44,353 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-13 23:07:44,353 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-13 23:07:44,353 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-13 23:07:44,354 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-13 23:07:44,354 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-13 23:07:44,354 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-13 23:07:44,354 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-13 23:07:44,354 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 23:07:44,354 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 23:07:44,354 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 23:07:44,355 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-13 23:07:44,355 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-13 23:07:44,355 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-13 23:07:44,355 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-13 23:07:44,355 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-13 23:07:44,355 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-13 23:07:44,355 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-13 23:07:44,355 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-13 23:07:44,356 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-13 23:07:44,356 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-13 23:07:44,356 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-13 23:07:44,356 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-13 23:07:44,356 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-13 23:07:44,356 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-13 23:07:44,356 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-13 23:07:44,357 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-13 23:07:44,357 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-13 23:07:44,357 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-13 23:07:44,357 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-13 23:07:44,357 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-13 23:07:44,357 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-13 23:07:44,357 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-13 23:07:44,358 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-13 23:07:44,358 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-13 23:07:44,358 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-13 23:07:44,358 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-13 23:07:44,358 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-13 23:07:44,358 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-13 23:07:44,358 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-13 23:07:44,358 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-13 23:07:44,359 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-13 23:07:44,359 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-13 23:07:44,359 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2019-10-13 23:07:44,359 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-13 23:07:44,359 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-10-13 23:07:44,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 23:07:44,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 23:07:44,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 23:07:48,703 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 23:07:48,703 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-13 23:07:48,705 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:07:48 BoogieIcfgContainer [2019-10-13 23:07:48,705 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 23:07:48,707 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 23:07:48,707 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 23:07:48,710 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 23:07:48,710 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:07:42" (1/3) ... [2019-10-13 23:07:48,711 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fa0fc0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:07:48, skipping insertion in model container [2019-10-13 23:07:48,712 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:07:44" (2/3) ... [2019-10-13 23:07:48,712 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fa0fc0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:07:48, skipping insertion in model container [2019-10-13 23:07:48,712 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:07:48" (3/3) ... [2019-10-13 23:07:48,714 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec1_product28.cil.c [2019-10-13 23:07:48,724 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 23:07:48,734 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 23:07:48,747 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 23:07:48,777 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 23:07:48,777 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 23:07:48,777 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 23:07:48,778 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 23:07:48,778 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 23:07:48,778 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 23:07:48,778 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 23:07:48,778 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 23:07:48,810 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states. [2019-10-13 23:07:48,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2019-10-13 23:07:48,827 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:07:48,829 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-10-13 23:07:48,831 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:07:48,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:07:48,839 INFO L82 PathProgramCache]: Analyzing trace with hash -1218207390, now seen corresponding path program 1 times [2019-10-13 23:07:48,850 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:07:48,850 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948724931] [2019-10-13 23:07:48,851 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:07:48,851 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:07:48,851 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:07:49,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:07:49,609 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-13 23:07:49,609 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948724931] [2019-10-13 23:07:49,611 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:07:49,611 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 23:07:49,612 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716964353] [2019-10-13 23:07:49,619 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 23:07:49,620 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:07:49,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 23:07:49,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 23:07:49,637 INFO L87 Difference]: Start difference. First operand 373 states. Second operand 2 states. [2019-10-13 23:07:49,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:07:49,706 INFO L93 Difference]: Finished difference Result 519 states and 617 transitions. [2019-10-13 23:07:49,706 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 23:07:49,708 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 125 [2019-10-13 23:07:49,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:07:49,727 INFO L225 Difference]: With dead ends: 519 [2019-10-13 23:07:49,727 INFO L226 Difference]: Without dead ends: 331 [2019-10-13 23:07:49,733 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 23:07:49,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2019-10-13 23:07:49,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 331. [2019-10-13 23:07:49,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 331 states. [2019-10-13 23:07:49,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 393 transitions. [2019-10-13 23:07:49,816 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 393 transitions. Word has length 125 [2019-10-13 23:07:49,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:07:49,818 INFO L462 AbstractCegarLoop]: Abstraction has 331 states and 393 transitions. [2019-10-13 23:07:49,818 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 23:07:49,819 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 393 transitions. [2019-10-13 23:07:49,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2019-10-13 23:07:49,829 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:07:49,830 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-10-13 23:07:49,830 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:07:49,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:07:49,830 INFO L82 PathProgramCache]: Analyzing trace with hash -1842756144, now seen corresponding path program 1 times [2019-10-13 23:07:49,831 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:07:49,831 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468232734] [2019-10-13 23:07:49,831 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:07:49,831 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:07:49,831 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:07:49,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:07:50,024 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-13 23:07:50,024 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468232734] [2019-10-13 23:07:50,024 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:07:50,025 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:07:50,025 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716125699] [2019-10-13 23:07:50,028 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:07:50,028 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:07:50,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:07:50,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:07:50,031 INFO L87 Difference]: Start difference. First operand 331 states and 393 transitions. Second operand 3 states. [2019-10-13 23:07:50,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:07:50,124 INFO L93 Difference]: Finished difference Result 504 states and 588 transitions. [2019-10-13 23:07:50,128 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:07:50,129 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 126 [2019-10-13 23:07:50,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:07:50,136 INFO L225 Difference]: With dead ends: 504 [2019-10-13 23:07:50,137 INFO L226 Difference]: Without dead ends: 333 [2019-10-13 23:07:50,142 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 23:07:50,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2019-10-13 23:07:50,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 333. [2019-10-13 23:07:50,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 333 states. [2019-10-13 23:07:50,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 395 transitions. [2019-10-13 23:07:50,178 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 395 transitions. Word has length 126 [2019-10-13 23:07:50,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:07:50,179 INFO L462 AbstractCegarLoop]: Abstraction has 333 states and 395 transitions. [2019-10-13 23:07:50,179 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:07:50,179 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 395 transitions. [2019-10-13 23:07:50,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2019-10-13 23:07:50,182 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:07:50,182 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-10-13 23:07:50,183 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:07:50,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:07:50,183 INFO L82 PathProgramCache]: Analyzing trace with hash -937227407, now seen corresponding path program 1 times [2019-10-13 23:07:50,183 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:07:50,184 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754364418] [2019-10-13 23:07:50,184 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:07:50,184 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:07:50,184 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:07:50,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:07:50,406 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-13 23:07:50,406 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754364418] [2019-10-13 23:07:50,407 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:07:50,407 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:07:50,407 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538352671] [2019-10-13 23:07:50,410 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:07:50,410 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:07:50,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:07:50,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:07:50,411 INFO L87 Difference]: Start difference. First operand 333 states and 395 transitions. Second operand 3 states. [2019-10-13 23:07:50,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:07:50,467 INFO L93 Difference]: Finished difference Result 646 states and 794 transitions. [2019-10-13 23:07:50,467 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:07:50,468 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 131 [2019-10-13 23:07:50,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:07:50,478 INFO L225 Difference]: With dead ends: 646 [2019-10-13 23:07:50,478 INFO L226 Difference]: Without dead ends: 371 [2019-10-13 23:07:50,486 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 23:07:50,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2019-10-13 23:07:50,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 370. [2019-10-13 23:07:50,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 370 states. [2019-10-13 23:07:50,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 460 transitions. [2019-10-13 23:07:50,531 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 460 transitions. Word has length 131 [2019-10-13 23:07:50,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:07:50,532 INFO L462 AbstractCegarLoop]: Abstraction has 370 states and 460 transitions. [2019-10-13 23:07:50,532 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:07:50,532 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 460 transitions. [2019-10-13 23:07:50,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2019-10-13 23:07:50,535 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:07:50,535 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-10-13 23:07:50,536 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:07:50,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:07:50,536 INFO L82 PathProgramCache]: Analyzing trace with hash 513528392, now seen corresponding path program 1 times [2019-10-13 23:07:50,536 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:07:50,537 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117125902] [2019-10-13 23:07:50,537 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:07:50,537 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:07:50,537 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:07:50,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:07:51,046 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-13 23:07:51,046 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117125902] [2019-10-13 23:07:51,047 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [609899326] [2019-10-13 23:07:51,047 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 23:07:51,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:07:51,588 INFO L256 TraceCheckSpWp]: Trace formula consists of 2421 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-13 23:07:51,606 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 23:07:51,785 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-13 23:07:51,786 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 23:07:51,999 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-13 23:07:51,999 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [794943600] [2019-10-13 23:07:52,041 INFO L162 IcfgInterpreter]: Started Sifa with 121 locations of interest [2019-10-13 23:07:52,041 INFO L169 IcfgInterpreter]: Building call graph [2019-10-13 23:07:52,048 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-13 23:07:52,058 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-13 23:07:52,059 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs