/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain OctagonDomain -i ../sv-benchmarks/c/product-lines/email_spec11_product36.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 00:09:32,342 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 00:09:32,344 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 00:09:32,371 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 00:09:32,371 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 00:09:32,372 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 00:09:32,373 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 00:09:32,375 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 00:09:32,376 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 00:09:32,376 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 00:09:32,377 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 00:09:32,378 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 00:09:32,378 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 00:09:32,379 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 00:09:32,380 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 00:09:32,381 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 00:09:32,382 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 00:09:32,383 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 00:09:32,384 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 00:09:32,386 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 00:09:32,387 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 00:09:32,388 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 00:09:32,389 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 00:09:32,390 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 00:09:32,393 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 00:09:32,393 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 00:09:32,394 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 00:09:32,394 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 00:09:32,395 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 00:09:32,395 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 00:09:32,396 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 00:09:32,396 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 00:09:32,397 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 00:09:32,398 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 00:09:32,399 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 00:09:32,399 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 00:09:32,400 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 00:09:32,400 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 00:09:32,400 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 00:09:32,401 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 00:09:32,401 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 00:09:32,402 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-04-03 00:09:32,422 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 00:09:32,423 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 00:09:32,423 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 00:09:32,423 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 00:09:32,424 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 00:09:32,424 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 00:09:32,424 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 00:09:32,424 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 00:09:32,424 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 00:09:32,424 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 00:09:32,424 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 00:09:32,425 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 00:09:32,425 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 00:09:32,425 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 00:09:32,425 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 00:09:32,425 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 00:09:32,425 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 00:09:32,425 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 00:09:32,426 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 00:09:32,426 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 00:09:32,426 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 00:09:32,426 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 00:09:32,426 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 00:09:32,426 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 00:09:32,427 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 00:09:32,427 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 00:09:32,427 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 00:09:32,427 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 00:09:32,427 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 00:09:32,427 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 00:09:32,427 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 00:09:32,427 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 00:09:32,428 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 00:09:32,428 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 00:09:32,428 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 00:09:32,428 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 00:09:32,428 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 00:09:32,428 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 00:09:32,428 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 00:09:32,429 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 00:09:32,429 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 00:09:32,429 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 00:09:32,658 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 00:09:32,682 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 00:09:32,685 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 00:09:32,685 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 00:09:32,686 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 00:09:32,687 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec11_product36.cil.c [2023-04-03 00:09:34,093 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 00:09:34,373 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 00:09:34,373 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec11_product36.cil.c [2023-04-03 00:09:34,393 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8a1bbbd1/944cec4b33264a53aaef5dde9b22772e/FLAG1e3092612 [2023-04-03 00:09:34,407 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8a1bbbd1/944cec4b33264a53aaef5dde9b22772e [2023-04-03 00:09:34,409 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 00:09:34,410 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 00:09:34,412 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 00:09:34,412 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 00:09:34,415 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 00:09:34,416 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 12:09:34" (1/1) ... [2023-04-03 00:09:34,417 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e1b8d2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:09:34, skipping insertion in model container [2023-04-03 00:09:34,417 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 12:09:34" (1/1) ... [2023-04-03 00:09:34,423 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 00:09:34,500 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 00:09:34,787 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec11_product36.cil.c[27504,27517] [2023-04-03 00:09:34,871 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 00:09:34,884 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 00:09:34,974 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec11_product36.cil.c[27504,27517] [2023-04-03 00:09:35,028 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 00:09:35,048 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-04-03 00:09:35,055 INFO L208 MainTranslator]: Completed translation [2023-04-03 00:09:35,055 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:09:35 WrapperNode [2023-04-03 00:09:35,056 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 00:09:35,057 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 00:09:35,057 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 00:09:35,057 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 00:09:35,079 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:09:35" (1/1) ... [2023-04-03 00:09:35,079 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:09:35" (1/1) ... [2023-04-03 00:09:35,110 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:09:35" (1/1) ... [2023-04-03 00:09:35,111 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:09:35" (1/1) ... [2023-04-03 00:09:35,187 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:09:35" (1/1) ... [2023-04-03 00:09:35,200 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:09:35" (1/1) ... [2023-04-03 00:09:35,207 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:09:35" (1/1) ... [2023-04-03 00:09:35,229 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:09:35" (1/1) ... [2023-04-03 00:09:35,248 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 00:09:35,249 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 00:09:35,250 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 00:09:35,250 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 00:09:35,251 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:09:35" (1/1) ... [2023-04-03 00:09:35,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 00:09:35,273 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 00:09:35,295 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-03 00:09:35,324 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-03 00:09:35,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 00:09:35,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 00:09:35,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-03 00:09:35,346 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 00:09:35,346 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-04-03 00:09:35,346 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-04-03 00:09:35,347 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-04-03 00:09:35,347 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-04-03 00:09:35,347 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-04-03 00:09:35,347 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-04-03 00:09:35,347 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-04-03 00:09:35,347 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-04-03 00:09:35,347 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-04-03 00:09:35,348 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-04-03 00:09:35,348 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-04-03 00:09:35,348 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-04-03 00:09:35,348 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-04-03 00:09:35,348 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-04-03 00:09:35,348 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-04-03 00:09:35,348 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-04-03 00:09:35,348 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-04-03 00:09:35,348 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-04-03 00:09:35,348 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-04-03 00:09:35,349 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-04-03 00:09:35,349 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-04-03 00:09:35,349 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-03 00:09:35,349 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-03 00:09:35,349 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-03 00:09:35,349 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-03 00:09:35,349 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-03 00:09:35,349 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-03 00:09:35,349 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-03 00:09:35,350 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-03 00:09:35,350 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-03 00:09:35,350 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-03 00:09:35,350 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-04-03 00:09:35,350 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-04-03 00:09:35,350 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-04-03 00:09:35,350 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-04-03 00:09:35,350 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-04-03 00:09:35,350 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-03 00:09:35,351 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 00:09:35,351 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2023-04-03 00:09:35,352 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2023-04-03 00:09:35,352 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2023-04-03 00:09:35,352 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-03 00:09:35,353 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-03 00:09:35,353 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-04-03 00:09:35,353 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-04-03 00:09:35,353 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-04-03 00:09:35,353 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-04-03 00:09:35,353 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-04-03 00:09:35,353 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-04-03 00:09:35,354 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-04-03 00:09:35,354 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-04-03 00:09:35,354 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-04-03 00:09:35,355 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-04-03 00:09:35,355 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-04-03 00:09:35,355 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-04-03 00:09:35,356 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-04-03 00:09:35,356 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-04-03 00:09:35,356 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-04-03 00:09:35,356 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-04-03 00:09:35,356 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-04-03 00:09:35,356 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-04-03 00:09:35,356 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-04-03 00:09:35,357 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-04-03 00:09:35,357 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-04-03 00:09:35,357 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-04-03 00:09:35,357 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-04-03 00:09:35,357 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-04-03 00:09:35,357 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-04-03 00:09:35,357 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-04-03 00:09:35,357 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-04-03 00:09:35,357 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-04-03 00:09:35,357 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-04-03 00:09:35,358 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-04-03 00:09:35,358 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-04-03 00:09:35,358 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2023-04-03 00:09:35,358 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-04-03 00:09:35,359 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-04-03 00:09:35,359 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Base [2023-04-03 00:09:35,359 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AddressBook [2023-04-03 00:09:35,359 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-04-03 00:09:35,359 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-04-03 00:09:35,360 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-04-03 00:09:35,360 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-04-03 00:09:35,360 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-04-03 00:09:35,360 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-04-03 00:09:35,361 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-04-03 00:09:35,361 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2023-04-03 00:09:35,361 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2023-04-03 00:09:35,361 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2023-04-03 00:09:35,361 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptAutoResponder_spec__1 [2023-04-03 00:09:35,361 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-04-03 00:09:35,361 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-04-03 00:09:35,361 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-04-03 00:09:35,361 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-04-03 00:09:35,362 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 00:09:35,362 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 00:09:35,362 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 00:09:35,362 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 00:09:35,362 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 00:09:35,362 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-04-03 00:09:35,362 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-04-03 00:09:35,362 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-04-03 00:09:35,363 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-04-03 00:09:35,363 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-04-03 00:09:35,363 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-04-03 00:09:35,363 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-04-03 00:09:35,363 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-04-03 00:09:35,363 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-04-03 00:09:35,363 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-04-03 00:09:35,364 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-04-03 00:09:35,364 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-04-03 00:09:35,364 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-04-03 00:09:35,365 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-04-03 00:09:35,365 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-04-03 00:09:35,365 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-04-03 00:09:35,366 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-04-03 00:09:35,366 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-04-03 00:09:35,368 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-04-03 00:09:35,368 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-04-03 00:09:35,373 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-04-03 00:09:35,374 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 00:09:35,374 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 00:09:35,374 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-03 00:09:35,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 00:09:35,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 00:09:35,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 00:09:35,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 00:09:35,375 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-03 00:09:35,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 00:09:35,376 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-03 00:09:35,376 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-03 00:09:35,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 00:09:35,376 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-03 00:09:35,376 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-03 00:09:35,376 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-03 00:09:35,376 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-03 00:09:35,376 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-03 00:09:35,377 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-03 00:09:35,377 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-03 00:09:35,377 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-03 00:09:35,377 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-04-03 00:09:35,377 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-04-03 00:09:35,377 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-04-03 00:09:35,377 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-04-03 00:09:35,377 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-04-03 00:09:35,377 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-04-03 00:09:35,377 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-04-03 00:09:35,378 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-04-03 00:09:35,378 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-04-03 00:09:35,378 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-04-03 00:09:35,378 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-04-03 00:09:35,378 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-04-03 00:09:35,378 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-04-03 00:09:35,378 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-04-03 00:09:35,378 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-04-03 00:09:35,378 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-04-03 00:09:35,378 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-04-03 00:09:35,379 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-03 00:09:35,379 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-03 00:09:35,379 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 00:09:35,379 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2023-04-03 00:09:35,379 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2023-04-03 00:09:35,379 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2023-04-03 00:09:35,379 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-03 00:09:35,379 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-04-03 00:09:35,379 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-04-03 00:09:35,379 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-04-03 00:09:35,379 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-04-03 00:09:35,379 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-04-03 00:09:35,380 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-04-03 00:09:35,380 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-04-03 00:09:35,380 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-04-03 00:09:35,380 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-04-03 00:09:35,380 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-04-03 00:09:35,380 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-04-03 00:09:35,380 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-04-03 00:09:35,380 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-04-03 00:09:35,380 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-04-03 00:09:35,380 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-04-03 00:09:35,381 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-04-03 00:09:35,381 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-04-03 00:09:35,381 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-04-03 00:09:35,381 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-04-03 00:09:35,383 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-04-03 00:09:35,383 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-04-03 00:09:35,383 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-04-03 00:09:35,383 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-04-03 00:09:35,383 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-04-03 00:09:35,383 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-04-03 00:09:35,383 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-04-03 00:09:35,384 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-04-03 00:09:35,384 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-04-03 00:09:35,384 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-04-03 00:09:35,384 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-04-03 00:09:35,384 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-04-03 00:09:35,384 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2023-04-03 00:09:35,384 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2023-04-03 00:09:35,384 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2023-04-03 00:09:35,384 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2023-04-03 00:09:35,384 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Base [2023-04-03 00:09:35,384 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AddressBook [2023-04-03 00:09:35,385 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptAutoResponder_spec__1 [2023-04-03 00:09:35,385 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-04-03 00:09:35,385 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-04-03 00:09:35,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 00:09:35,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 00:09:35,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 00:09:35,717 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 00:09:35,722 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 00:09:36,827 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 00:09:37,681 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 00:09:37,682 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-04-03 00:09:37,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 12:09:37 BoogieIcfgContainer [2023-04-03 00:09:37,689 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 00:09:37,693 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 00:09:37,693 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 00:09:37,696 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 00:09:37,696 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 12:09:34" (1/3) ... [2023-04-03 00:09:37,697 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@629dca00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 12:09:37, skipping insertion in model container [2023-04-03 00:09:37,697 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:09:35" (2/3) ... [2023-04-03 00:09:37,697 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@629dca00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 12:09:37, skipping insertion in model container [2023-04-03 00:09:37,697 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 12:09:37" (3/3) ... [2023-04-03 00:09:37,698 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec11_product36.cil.c [2023-04-03 00:09:37,716 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 00:09:37,717 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-03 00:09:37,781 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 00:09:37,788 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@656ceee2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 00:09:37,788 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-03 00:09:37,796 INFO L276 IsEmpty]: Start isEmpty. Operand has 252 states, 130 states have (on average 1.2461538461538462) internal successors, (162), 137 states have internal predecessors, (162), 68 states have call successors, (68), 50 states have call predecessors, (68), 50 states have return successors, (68), 67 states have call predecessors, (68), 68 states have call successors, (68) [2023-04-03 00:09:37,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-04-03 00:09:37,811 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:09:37,812 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-04-03 00:09:37,813 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:09:37,820 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:09:37,821 INFO L85 PathProgramCache]: Analyzing trace with hash 1938924086, now seen corresponding path program 1 times [2023-04-03 00:09:37,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:09:37,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831186358] [2023-04-03 00:09:37,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:09:37,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:09:38,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:09:38,294 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-04-03 00:09:38,295 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:09:38,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831186358] [2023-04-03 00:09:38,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [831186358] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:09:38,299 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:09:38,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-03 00:09:38,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913268922] [2023-04-03 00:09:38,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:09:38,307 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-03 00:09:38,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:09:38,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-03 00:09:38,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-03 00:09:38,346 INFO L87 Difference]: Start difference. First operand has 252 states, 130 states have (on average 1.2461538461538462) internal successors, (162), 137 states have internal predecessors, (162), 68 states have call successors, (68), 50 states have call predecessors, (68), 50 states have return successors, (68), 67 states have call predecessors, (68), 68 states have call successors, (68) Second operand has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-04-03 00:09:38,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:09:38,466 INFO L93 Difference]: Finished difference Result 394 states and 471 transitions. [2023-04-03 00:09:38,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-03 00:09:38,470 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 110 [2023-04-03 00:09:38,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:09:38,485 INFO L225 Difference]: With dead ends: 394 [2023-04-03 00:09:38,485 INFO L226 Difference]: Without dead ends: 235 [2023-04-03 00:09:38,494 INFO L412 NwaCegarLoop]: 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 [2023-04-03 00:09:38,499 INFO L413 NwaCegarLoop]: 257 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 257 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 00:09:38,500 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 257 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 00:09:38,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2023-04-03 00:09:38,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 235. [2023-04-03 00:09:38,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 121 states have (on average 1.2231404958677685) internal successors, (148), 125 states have internal predecessors, (148), 67 states have call successors, (67), 50 states have call predecessors, (67), 46 states have return successors, (62), 61 states have call predecessors, (62), 62 states have call successors, (62) [2023-04-03 00:09:38,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 277 transitions. [2023-04-03 00:09:38,579 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 277 transitions. Word has length 110 [2023-04-03 00:09:38,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:09:38,581 INFO L495 AbstractCegarLoop]: Abstraction has 235 states and 277 transitions. [2023-04-03 00:09:38,582 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-04-03 00:09:38,583 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 277 transitions. [2023-04-03 00:09:38,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-04-03 00:09:38,591 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:09:38,592 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-04-03 00:09:38,592 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 00:09:38,592 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:09:38,593 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:09:38,593 INFO L85 PathProgramCache]: Analyzing trace with hash -1573867294, now seen corresponding path program 1 times [2023-04-03 00:09:38,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:09:38,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405273204] [2023-04-03 00:09:38,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:09:38,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:09:38,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:09:39,039 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-04-03 00:09:39,040 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:09:39,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405273204] [2023-04-03 00:09:39,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [405273204] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:09:39,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:09:39,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 00:09:39,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674278937] [2023-04-03 00:09:39,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:09:39,043 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 00:09:39,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:09:39,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 00:09:39,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 00:09:39,045 INFO L87 Difference]: Start difference. First operand 235 states and 277 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-04-03 00:09:39,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:09:39,146 INFO L93 Difference]: Finished difference Result 379 states and 438 transitions. [2023-04-03 00:09:39,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 00:09:39,147 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 111 [2023-04-03 00:09:39,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:09:39,153 INFO L225 Difference]: With dead ends: 379 [2023-04-03 00:09:39,153 INFO L226 Difference]: Without dead ends: 237 [2023-04-03 00:09:39,158 INFO L412 NwaCegarLoop]: 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 [2023-04-03 00:09:39,160 INFO L413 NwaCegarLoop]: 248 mSDtfsCounter, 0 mSDsluCounter, 246 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 494 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 00:09:39,160 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 494 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 00:09:39,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2023-04-03 00:09:39,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 237. [2023-04-03 00:09:39,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 237 states, 123 states have (on average 1.2195121951219512) internal successors, (150), 127 states have internal predecessors, (150), 67 states have call successors, (67), 50 states have call predecessors, (67), 46 states have return successors, (62), 61 states have call predecessors, (62), 62 states have call successors, (62) [2023-04-03 00:09:39,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 279 transitions. [2023-04-03 00:09:39,189 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 279 transitions. Word has length 111 [2023-04-03 00:09:39,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:09:39,190 INFO L495 AbstractCegarLoop]: Abstraction has 237 states and 279 transitions. [2023-04-03 00:09:39,191 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-04-03 00:09:39,191 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 279 transitions. [2023-04-03 00:09:39,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-04-03 00:09:39,194 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:09:39,194 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-04-03 00:09:39,194 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 00:09:39,194 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:09:39,195 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:09:39,195 INFO L85 PathProgramCache]: Analyzing trace with hash 321694716, now seen corresponding path program 1 times [2023-04-03 00:09:39,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:09:39,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295309233] [2023-04-03 00:09:39,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:09:39,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:09:39,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:09:39,498 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-04-03 00:09:39,499 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:09:39,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295309233] [2023-04-03 00:09:39,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1295309233] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 00:09:39,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1856999410] [2023-04-03 00:09:39,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:09:39,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 00:09:39,500 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 00:09:39,509 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-03 00:09:39,532 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-03 00:09:39,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:09:40,001 INFO L262 TraceCheckSpWp]: Trace formula consists of 1811 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-03 00:09:40,016 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 00:09:40,098 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-04-03 00:09:40,098 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 00:09:40,236 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-04-03 00:09:40,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1856999410] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-03 00:09:40,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1316830598] [2023-04-03 00:09:40,265 INFO L159 IcfgInterpreter]: Started Sifa with 108 locations of interest [2023-04-03 00:09:40,265 INFO L166 IcfgInterpreter]: Building call graph [2023-04-03 00:09:40,276 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-03 00:09:40,281 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-03 00:09:40,282 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-03 00:09:45,279 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 337 for LOIs [2023-04-03 00:09:45,876 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 309 for LOIs [2023-04-03 00:09:52,107 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 241 for LOIs [2023-04-03 00:09:54,630 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh with input of size 235 for LOIs [2023-04-03 00:09:55,639 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck with input of size 236 for LOIs [2023-04-03 00:09:56,620 INFO L197 IcfgInterpreter]: Interpreting procedure setup_bob with input of size 237 for LOIs [2023-04-03 00:13:48,994 WARN L223 SmtUtils]: Spent 3.85m on a formula simplification. DAG size of input: 20084 DAG size of output: 289 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-03 00:13:48,999 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 289 for LOIs [2023-04-03 00:13:49,263 INFO L197 IcfgInterpreter]: Interpreting procedure select_features with input of size 229 for LOIs [2023-04-03 00:13:49,328 INFO L197 IcfgInterpreter]: Interpreting procedure test with input of size 293 for LOIs