/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_spec0_product36.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 00:02:54,369 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 00:02:54,372 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 00:02:54,409 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 00:02:54,409 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 00:02:54,413 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 00:02:54,414 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 00:02:54,415 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 00:02:54,415 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 00:02:54,416 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 00:02:54,417 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 00:02:54,417 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 00:02:54,418 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 00:02:54,418 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 00:02:54,419 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 00:02:54,420 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 00:02:54,420 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 00:02:54,421 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 00:02:54,422 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 00:02:54,423 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 00:02:54,427 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 00:02:54,432 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 00:02:54,434 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 00:02:54,435 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 00:02:54,445 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 00:02:54,446 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 00:02:54,446 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 00:02:54,447 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 00:02:54,448 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 00:02:54,448 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 00:02:54,448 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 00:02:54,449 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 00:02:54,450 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 00:02:54,451 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 00:02:54,451 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 00:02:54,452 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 00:02:54,452 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 00:02:54,452 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 00:02:54,452 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 00:02:54,453 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 00:02:54,453 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 00:02:54,455 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 00:02:54,483 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 00:02:54,483 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 00:02:54,483 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 00:02:54,483 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 00:02:54,484 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 00:02:54,484 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 00:02:54,484 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 00:02:54,485 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 00:02:54,485 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 00:02:54,485 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 00:02:54,485 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 00:02:54,485 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 00:02:54,486 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 00:02:54,486 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 00:02:54,486 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 00:02:54,486 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 00:02:54,486 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 00:02:54,486 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 00:02:54,486 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 00:02:54,487 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 00:02:54,487 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 00:02:54,487 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 00:02:54,487 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 00:02:54,487 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 00:02:54,487 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 00:02:54,487 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 00:02:54,487 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 00:02:54,487 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 00:02:54,487 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 00:02:54,487 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 00:02:54,488 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 00:02:54,488 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 00:02:54,488 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 00:02:54,488 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 00:02:54,488 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 00:02:54,488 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 00:02:54,488 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 00:02:54,488 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 00:02:54,488 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 00:02:54,489 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 00:02:54,489 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 00:02:54,489 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 00:02:54,719 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 00:02:54,756 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 00:02:54,758 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 00:02:54,760 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 00:02:54,760 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 00:02:54,761 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec0_product36.cil.c [2023-04-03 00:02:56,273 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 00:02:56,761 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 00:02:56,762 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_product36.cil.c [2023-04-03 00:02:56,800 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d68770bf0/e9fb713ed26242998b4a846cd28464d1/FLAG49f155856 [2023-04-03 00:02:56,831 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d68770bf0/e9fb713ed26242998b4a846cd28464d1 [2023-04-03 00:02:56,833 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 00:02:56,836 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 00:02:56,838 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 00:02:56,838 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 00:02:56,842 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 00:02:56,843 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 12:02:56" (1/1) ... [2023-04-03 00:02:56,849 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@231ac69e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:02:56, skipping insertion in model container [2023-04-03 00:02:56,849 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 12:02:56" (1/1) ... [2023-04-03 00:02:56,855 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 00:02:56,969 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 00:02:57,291 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_spec0_product36.cil.c[12529,12542] [2023-04-03 00:02:57,526 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 00:02:57,546 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 00:02:57,598 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_spec0_product36.cil.c[12529,12542] [2023-04-03 00:02:57,639 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 00:02:57,658 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-04-03 00:02:57,673 INFO L208 MainTranslator]: Completed translation [2023-04-03 00:02:57,674 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:02:57 WrapperNode [2023-04-03 00:02:57,674 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 00:02:57,675 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 00:02:57,675 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 00:02:57,675 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 00:02:57,711 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:02:57" (1/1) ... [2023-04-03 00:02:57,712 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:02:57" (1/1) ... [2023-04-03 00:02:57,759 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:02:57" (1/1) ... [2023-04-03 00:02:57,773 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:02:57" (1/1) ... [2023-04-03 00:02:57,831 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:02:57" (1/1) ... [2023-04-03 00:02:57,839 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:02:57" (1/1) ... [2023-04-03 00:02:57,844 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:02:57" (1/1) ... [2023-04-03 00:02:57,848 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:02:57" (1/1) ... [2023-04-03 00:02:57,875 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 00:02:57,876 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 00:02:57,876 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 00:02:57,877 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 00:02:57,889 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:02:57" (1/1) ... [2023-04-03 00:02:57,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 00:02:57,907 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 00:02:57,939 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 00:02:57,959 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 00:02:57,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 00:02:57,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 00:02:57,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-03 00:02:57,982 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 00:02:57,982 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-03 00:02:57,982 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-03 00:02:57,982 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-03 00:02:57,982 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-03 00:02:57,982 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-03 00:02:57,982 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-03 00:02:57,982 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-03 00:02:57,982 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-03 00:02:57,982 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-03 00:02:57,983 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-03 00:02:57,983 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-04-03 00:02:57,983 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-03 00:02:57,983 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-04-03 00:02:57,983 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-04-03 00:02:57,983 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-04-03 00:02:57,983 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-04-03 00:02:57,983 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-04-03 00:02:57,983 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-04-03 00:02:57,983 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-04-03 00:02:57,983 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-04-03 00:02:57,983 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-04-03 00:02:57,983 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-04-03 00:02:57,984 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-04-03 00:02:57,984 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-04-03 00:02:57,984 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-04-03 00:02:57,984 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-04-03 00:02:57,984 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-04-03 00:02:57,984 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-04-03 00:02:57,984 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-04-03 00:02:57,984 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-04-03 00:02:57,984 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-04-03 00:02:57,985 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-04-03 00:02:57,985 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-04-03 00:02:57,985 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-04-03 00:02:57,985 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-04-03 00:02:57,985 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-04-03 00:02:57,986 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-04-03 00:02:57,986 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-04-03 00:02:57,986 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-04-03 00:02:57,986 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-04-03 00:02:57,987 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-04-03 00:02:57,987 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-04-03 00:02:57,987 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-04-03 00:02:57,987 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-04-03 00:02:57,988 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-04-03 00:02:57,988 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-04-03 00:02:57,988 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2023-04-03 00:02:57,988 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-04-03 00:02:57,988 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-04-03 00:02:57,989 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Base [2023-04-03 00:02:57,989 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AddressBook [2023-04-03 00:02:57,989 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-04-03 00:02:57,989 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-04-03 00:02:57,989 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-04-03 00:02:57,989 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-04-03 00:02:57,989 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-04-03 00:02:57,990 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-04-03 00:02:57,990 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-04-03 00:02:57,990 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2023-04-03 00:02:57,990 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2023-04-03 00:02:57,990 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2023-04-03 00:02:57,990 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-04-03 00:02:57,990 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-04-03 00:02:57,990 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-04-03 00:02:57,990 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-04-03 00:02:57,990 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-04-03 00:02:57,990 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-04-03 00:02:57,991 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-04-03 00:02:57,991 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-04-03 00:02:57,991 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-04-03 00:02:57,991 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-04-03 00:02:57,991 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-04-03 00:02:57,991 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-04-03 00:02:57,991 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-04-03 00:02:57,991 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-04-03 00:02:57,991 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-04-03 00:02:57,991 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-04-03 00:02:57,992 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-04-03 00:02:57,992 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-04-03 00:02:57,992 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-04-03 00:02:57,992 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-04-03 00:02:57,992 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-04-03 00:02:57,993 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptForward_spec__1 [2023-04-03 00:02:57,993 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-03 00:02:57,993 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-04-03 00:02:57,993 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-04-03 00:02:57,993 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-04-03 00:02:57,993 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-04-03 00:02:57,994 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-04-03 00:02:57,994 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-03 00:02:57,994 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 00:02:57,994 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2023-04-03 00:02:57,994 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2023-04-03 00:02:57,994 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2023-04-03 00:02:57,994 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 00:02:57,994 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 00:02:57,994 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 00:02:57,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 00:02:57,994 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 00:02:57,994 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-03 00:02:57,995 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-03 00:02:57,995 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-03 00:02:57,995 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-03 00:02:57,995 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 00:02:57,995 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 00:02:57,995 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-03 00:02:57,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 00:02:57,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 00:02:57,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 00:02:57,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 00:02:57,996 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-03 00:02:57,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 00:02:57,996 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-03 00:02:57,996 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-03 00:02:57,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 00:02:57,997 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-03 00:02:57,997 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-03 00:02:57,999 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-03 00:02:57,999 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-03 00:02:58,004 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-04-03 00:02:58,004 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-03 00:02:58,004 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-04-03 00:02:58,004 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-04-03 00:02:58,004 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-04-03 00:02:58,004 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-04-03 00:02:58,004 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-04-03 00:02:58,004 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-04-03 00:02:58,004 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-04-03 00:02:58,004 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-04-03 00:02:58,005 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-04-03 00:02:58,005 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-04-03 00:02:58,005 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-04-03 00:02:58,005 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-04-03 00:02:58,005 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-04-03 00:02:58,005 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-04-03 00:02:58,005 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-04-03 00:02:58,005 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-04-03 00:02:58,005 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-04-03 00:02:58,005 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-04-03 00:02:58,005 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-04-03 00:02:58,005 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-04-03 00:02:58,005 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-04-03 00:02:58,006 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-04-03 00:02:58,006 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-04-03 00:02:58,006 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-04-03 00:02:58,006 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-04-03 00:02:58,006 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-04-03 00:02:58,006 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-04-03 00:02:58,006 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-04-03 00:02:58,006 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-04-03 00:02:58,006 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-04-03 00:02:58,006 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-04-03 00:02:58,006 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-04-03 00:02:58,006 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-04-03 00:02:58,006 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-04-03 00:02:58,006 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-04-03 00:02:58,007 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-04-03 00:02:58,007 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-04-03 00:02:58,007 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-04-03 00:02:58,007 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-04-03 00:02:58,007 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-04-03 00:02:58,007 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-04-03 00:02:58,007 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-04-03 00:02:58,007 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-04-03 00:02:58,007 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-04-03 00:02:58,008 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-04-03 00:02:58,008 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-04-03 00:02:58,008 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-04-03 00:02:58,008 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-04-03 00:02:58,008 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-04-03 00:02:58,008 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2023-04-03 00:02:58,008 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2023-04-03 00:02:58,008 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2023-04-03 00:02:58,008 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2023-04-03 00:02:58,008 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Base [2023-04-03 00:02:58,008 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AddressBook [2023-04-03 00:02:58,008 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptForward_spec__1 [2023-04-03 00:02:58,009 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-04-03 00:02:58,009 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-04-03 00:02:58,009 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-04-03 00:02:58,009 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-04-03 00:02:58,009 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-04-03 00:02:58,009 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-04-03 00:02:58,010 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-04-03 00:02:58,010 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-04-03 00:02:58,010 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-04-03 00:02:58,010 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-04-03 00:02:58,010 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-04-03 00:02:58,010 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-04-03 00:02:58,011 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-04-03 00:02:58,011 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-04-03 00:02:58,011 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-04-03 00:02:58,011 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-04-03 00:02:58,011 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2023-04-03 00:02:58,011 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2023-04-03 00:02:58,011 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2023-04-03 00:02:58,011 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-04-03 00:02:58,011 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-03 00:02:58,011 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-04-03 00:02:58,011 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-04-03 00:02:58,011 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-04-03 00:02:58,011 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-04-03 00:02:58,011 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-03 00:02:58,011 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 00:02:58,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 00:02:58,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 00:02:58,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 00:02:58,279 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 00:02:58,282 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 00:02:59,619 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 00:03:00,605 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 00:03:00,605 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-04-03 00:03:00,610 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 12:03:00 BoogieIcfgContainer [2023-04-03 00:03:00,611 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 00:03:00,614 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 00:03:00,614 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 00:03:00,617 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 00:03:00,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 12:02:56" (1/3) ... [2023-04-03 00:03:00,618 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61d1b92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 12:03:00, skipping insertion in model container [2023-04-03 00:03:00,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:02:57" (2/3) ... [2023-04-03 00:03:00,618 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61d1b92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 12:03:00, skipping insertion in model container [2023-04-03 00:03:00,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 12:03:00" (3/3) ... [2023-04-03 00:03:00,620 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec0_product36.cil.c [2023-04-03 00:03:00,636 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 00:03:00,636 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-03 00:03:00,698 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 00:03:00,707 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;@d60d063, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 00:03:00,708 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-03 00:03:00,715 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 00:03:00,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-04-03 00:03:00,729 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:03:00,730 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, 1, 1, 1, 1, 1] [2023-04-03 00:03:00,731 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:03:00,737 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:03:00,737 INFO L85 PathProgramCache]: Analyzing trace with hash 938989242, now seen corresponding path program 1 times [2023-04-03 00:03:00,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:03:00,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043463536] [2023-04-03 00:03:00,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:03:00,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:03:01,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:03:01,231 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-04-03 00:03:01,231 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:03:01,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043463536] [2023-04-03 00:03:01,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2043463536] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:03:01,232 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:03:01,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-03 00:03:01,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194057888] [2023-04-03 00:03:01,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:03:01,237 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-03 00:03:01,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:03:01,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-03 00:03:01,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-03 00:03:01,275 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 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-04-03 00:03:01,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:03:01,387 INFO L93 Difference]: Finished difference Result 394 states and 470 transitions. [2023-04-03 00:03:01,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-03 00:03:01,389 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 120 [2023-04-03 00:03:01,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:03:01,401 INFO L225 Difference]: With dead ends: 394 [2023-04-03 00:03:01,401 INFO L226 Difference]: Without dead ends: 235 [2023-04-03 00:03:01,405 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 00:03:01,407 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, 0.0s IncrementalHoareTripleChecker+Time [2023-04-03 00:03:01,408 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 257 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-03 00:03:01,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2023-04-03 00:03:01,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 235. [2023-04-03 00:03:01,539 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 00:03:01,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 277 transitions. [2023-04-03 00:03:01,561 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 277 transitions. Word has length 120 [2023-04-03 00:03:01,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:03:01,563 INFO L495 AbstractCegarLoop]: Abstraction has 235 states and 277 transitions. [2023-04-03 00:03:01,563 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-04-03 00:03:01,565 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 277 transitions. [2023-04-03 00:03:01,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-04-03 00:03:01,572 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:03:01,573 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, 1, 1, 1, 1, 1, 1] [2023-04-03 00:03:01,573 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 00:03:01,573 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:03:01,574 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:03:01,574 INFO L85 PathProgramCache]: Analyzing trace with hash 655879627, now seen corresponding path program 1 times [2023-04-03 00:03:01,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:03:01,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36413512] [2023-04-03 00:03:01,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:03:01,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:03:01,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:03:01,899 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-04-03 00:03:01,899 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:03:01,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36413512] [2023-04-03 00:03:01,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [36413512] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:03:01,899 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:03:01,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 00:03:01,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807817358] [2023-04-03 00:03:01,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:03:01,901 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 00:03:01,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:03:01,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 00:03:01,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 00:03:01,902 INFO L87 Difference]: Start difference. First operand 235 states and 277 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-04-03 00:03:02,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:03:02,010 INFO L93 Difference]: Finished difference Result 379 states and 438 transitions. [2023-04-03 00:03:02,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 00:03:02,011 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 121 [2023-04-03 00:03:02,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:03:02,016 INFO L225 Difference]: With dead ends: 379 [2023-04-03 00:03:02,016 INFO L226 Difference]: Without dead ends: 237 [2023-04-03 00:03:02,017 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 00:03:02,018 INFO L413 NwaCegarLoop]: 248 mSDtfsCounter, 0 mSDsluCounter, 246 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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 00:03:02,018 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 00:03:02,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2023-04-03 00:03:02,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 237. [2023-04-03 00:03:02,039 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 00:03:02,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 279 transitions. [2023-04-03 00:03:02,041 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 279 transitions. Word has length 121 [2023-04-03 00:03:02,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:03:02,043 INFO L495 AbstractCegarLoop]: Abstraction has 237 states and 279 transitions. [2023-04-03 00:03:02,043 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-04-03 00:03:02,043 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 279 transitions. [2023-04-03 00:03:02,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-04-03 00:03:02,049 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:03:02,049 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 00:03:02,049 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 00:03:02,049 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:03:02,050 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:03:02,050 INFO L85 PathProgramCache]: Analyzing trace with hash 1592012271, now seen corresponding path program 1 times [2023-04-03 00:03:02,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:03:02,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421688058] [2023-04-03 00:03:02,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:03:02,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:03:02,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:03:02,353 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-04-03 00:03:02,353 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:03:02,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421688058] [2023-04-03 00:03:02,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1421688058] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 00:03:02,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [111864546] [2023-04-03 00:03:02,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:03:02,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 00:03:02,355 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 00:03:02,369 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 00:03:02,371 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 00:03:02,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:03:02,834 INFO L262 TraceCheckSpWp]: Trace formula consists of 1834 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-03 00:03:02,847 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 00:03:02,946 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-04-03 00:03:02,946 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 00:03:03,090 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-04-03 00:03:03,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [111864546] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-03 00:03:03,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [507647214] [2023-04-03 00:03:03,111 INFO L159 IcfgInterpreter]: Started Sifa with 116 locations of interest [2023-04-03 00:03:03,111 INFO L166 IcfgInterpreter]: Building call graph [2023-04-03 00:03:03,115 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-03 00:03:03,119 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-03 00:03:03,119 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-03 00:03:09,557 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 337 for LOIs [2023-04-03 00:03:10,467 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 309 for LOIs [2023-04-03 00:03:17,581 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 241 for LOIs [2023-04-03 00:03:20,782 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh with input of size 235 for LOIs [2023-04-03 00:03:22,073 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck with input of size 236 for LOIs [2023-04-03 00:03:23,356 INFO L197 IcfgInterpreter]: Interpreting procedure setup_bob with input of size 237 for LOIs