/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_spec9_product12.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 00:51:22,793 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 00:51:22,795 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 00:51:22,841 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 00:51:22,841 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 00:51:22,844 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 00:51:22,846 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 00:51:22,849 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 00:51:22,850 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 00:51:22,854 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 00:51:22,856 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 00:51:22,857 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 00:51:22,858 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 00:51:22,860 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 00:51:22,861 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 00:51:22,862 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 00:51:22,863 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 00:51:22,863 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 00:51:22,866 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 00:51:22,870 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 00:51:22,871 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 00:51:22,874 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 00:51:22,875 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 00:51:22,876 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 00:51:22,883 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 00:51:22,883 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 00:51:22,883 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 00:51:22,884 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 00:51:22,884 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 00:51:22,885 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 00:51:22,885 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 00:51:22,886 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 00:51:22,886 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 00:51:22,887 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 00:51:22,887 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 00:51:22,888 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 00:51:22,888 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 00:51:22,888 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 00:51:22,889 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 00:51:22,889 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 00:51:22,890 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 00:51:22,893 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 00:51:22,919 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 00:51:22,919 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 00:51:22,919 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 00:51:22,920 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 00:51:22,920 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 00:51:22,921 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 00:51:22,921 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 00:51:22,921 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 00:51:22,921 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 00:51:22,921 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 00:51:22,922 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 00:51:22,922 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 00:51:22,922 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 00:51:22,922 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 00:51:22,922 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 00:51:22,922 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 00:51:22,923 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 00:51:22,923 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 00:51:22,923 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 00:51:22,923 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 00:51:22,923 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 00:51:22,923 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 00:51:22,924 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 00:51:22,924 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 00:51:22,924 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 00:51:22,924 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 00:51:22,924 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 00:51:22,924 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 00:51:22,925 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 00:51:22,925 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 00:51:22,925 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 00:51:22,925 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 00:51:22,925 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 00:51:22,925 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 00:51:22,925 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 00:51:22,926 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 00:51:22,926 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 00:51:22,926 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 00:51:22,926 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 00:51:22,926 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 00:51:22,926 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 00:51:22,926 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 00:51:23,138 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 00:51:23,160 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 00:51:23,162 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 00:51:23,163 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 00:51:23,167 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 00:51:23,168 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec9_product12.cil.c [2023-04-03 00:51:24,402 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 00:51:24,660 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 00:51:24,660 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec9_product12.cil.c [2023-04-03 00:51:24,682 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0bd3219b/8310f3a8290d4c7499c0d4f5962a88eb/FLAG01b20277e [2023-04-03 00:51:24,698 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0bd3219b/8310f3a8290d4c7499c0d4f5962a88eb [2023-04-03 00:51:24,701 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 00:51:24,702 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 00:51:24,703 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 00:51:24,703 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 00:51:24,710 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 00:51:24,711 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 12:51:24" (1/1) ... [2023-04-03 00:51:24,711 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d7c071b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:51:24, skipping insertion in model container [2023-04-03 00:51:24,711 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 12:51:24" (1/1) ... [2023-04-03 00:51:24,717 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 00:51:24,771 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 00:51:25,142 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_spec9_product12.cil.c[29763,29776] [2023-04-03 00:51:25,212 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 00:51:25,231 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 00:51:25,293 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_spec9_product12.cil.c[29763,29776] [2023-04-03 00:51:25,358 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 00:51:25,383 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-04-03 00:51:25,390 INFO L208 MainTranslator]: Completed translation [2023-04-03 00:51:25,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:51:25 WrapperNode [2023-04-03 00:51:25,391 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 00:51:25,392 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 00:51:25,392 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 00:51:25,392 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 00:51:25,406 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:51:25" (1/1) ... [2023-04-03 00:51:25,406 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:51:25" (1/1) ... [2023-04-03 00:51:25,429 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:51:25" (1/1) ... [2023-04-03 00:51:25,429 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:51:25" (1/1) ... [2023-04-03 00:51:25,465 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:51:25" (1/1) ... [2023-04-03 00:51:25,481 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:51:25" (1/1) ... [2023-04-03 00:51:25,499 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:51:25" (1/1) ... [2023-04-03 00:51:25,506 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:51:25" (1/1) ... [2023-04-03 00:51:25,516 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 00:51:25,517 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 00:51:25,518 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 00:51:25,518 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 00:51:25,518 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:51:25" (1/1) ... [2023-04-03 00:51:25,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 00:51:25,534 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 00:51:25,547 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 00:51:25,572 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 00:51:25,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 00:51:25,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 00:51:25,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-03 00:51:25,589 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 00:51:25,589 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptForward_spec__1 [2023-04-03 00:51:25,589 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptForward_spec__2 [2023-04-03 00:51:25,589 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-04-03 00:51:25,589 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-03 00:51:25,590 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-03 00:51:25,590 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-03 00:51:25,590 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-03 00:51:25,590 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-04-03 00:51:25,590 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2023-04-03 00:51:25,590 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-04-03 00:51:25,590 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-04-03 00:51:25,590 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2023-04-03 00:51:25,590 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-04-03 00:51:25,590 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-04-03 00:51:25,590 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-04-03 00:51:25,590 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-04-03 00:51:25,591 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-04-03 00:51:25,591 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-04-03 00:51:25,591 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-04-03 00:51:25,591 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-04-03 00:51:25,591 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-04-03 00:51:25,591 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-04-03 00:51:25,591 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-04-03 00:51:25,591 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-04-03 00:51:25,591 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-04-03 00:51:25,591 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-04-03 00:51:25,591 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-04-03 00:51:25,591 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-04-03 00:51:25,591 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-04-03 00:51:25,592 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-04-03 00:51:25,592 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-04-03 00:51:25,592 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-04-03 00:51:25,592 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-04-03 00:51:25,592 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-04-03 00:51:25,592 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-04-03 00:51:25,592 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-04-03 00:51:25,592 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-04-03 00:51:25,593 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-04-03 00:51:25,593 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-04-03 00:51:25,593 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-04-03 00:51:25,594 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-04-03 00:51:25,594 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-04-03 00:51:25,594 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2023-04-03 00:51:25,594 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-04-03 00:51:25,595 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2023-04-03 00:51:25,595 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-04-03 00:51:25,595 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2023-04-03 00:51:25,595 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-04-03 00:51:25,595 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-04-03 00:51:25,596 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-04-03 00:51:25,596 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-03 00:51:25,596 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 00:51:25,596 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2023-04-03 00:51:25,596 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2023-04-03 00:51:25,597 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2023-04-03 00:51:25,597 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2023-04-03 00:51:25,597 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-04-03 00:51:25,598 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2023-04-03 00:51:25,598 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2023-04-03 00:51:25,598 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2023-04-03 00:51:25,598 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2023-04-03 00:51:25,598 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-03 00:51:25,598 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-03 00:51:25,598 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-03 00:51:25,599 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-03 00:51:25,599 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-03 00:51:25,599 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-03 00:51:25,599 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-03 00:51:25,599 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2023-04-03 00:51:25,599 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-04-03 00:51:25,599 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2023-04-03 00:51:25,599 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-04-03 00:51:25,599 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-04-03 00:51:25,599 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-04-03 00:51:25,599 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-04-03 00:51:25,599 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-04-03 00:51:25,599 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-04-03 00:51:25,600 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-04-03 00:51:25,600 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-04-03 00:51:25,600 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-04-03 00:51:25,600 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-04-03 00:51:25,600 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-04-03 00:51:25,600 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-04-03 00:51:25,601 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-04-03 00:51:25,601 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-04-03 00:51:25,601 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-04-03 00:51:25,601 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-04-03 00:51:25,601 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-04-03 00:51:25,601 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-04-03 00:51:25,602 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-04-03 00:51:25,602 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-04-03 00:51:25,602 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-04-03 00:51:25,602 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-04-03 00:51:25,602 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-04-03 00:51:25,602 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-04-03 00:51:25,602 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-04-03 00:51:25,602 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-04-03 00:51:25,602 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-04-03 00:51:25,602 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-04-03 00:51:25,602 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-04-03 00:51:25,602 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-04-03 00:51:25,603 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-04-03 00:51:25,603 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-04-03 00:51:25,603 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-03 00:51:25,603 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 00:51:25,603 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 00:51:25,603 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 00:51:25,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 00:51:25,603 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 00:51:25,603 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-03 00:51:25,603 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-04-03 00:51:25,604 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-03 00:51:25,604 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-04-03 00:51:25,604 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptForward_spec__1 [2023-04-03 00:51:25,604 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptForward_spec__2 [2023-04-03 00:51:25,605 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-04-03 00:51:25,605 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-03 00:51:25,607 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-03 00:51:25,607 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-03 00:51:25,611 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-03 00:51:25,611 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-04-03 00:51:25,611 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-04-03 00:51:25,611 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-04-03 00:51:25,612 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-04-03 00:51:25,612 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-04-03 00:51:25,612 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-04-03 00:51:25,612 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-04-03 00:51:25,612 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-04-03 00:51:25,613 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-04-03 00:51:25,613 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-04-03 00:51:25,613 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-04-03 00:51:25,613 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-04-03 00:51:25,613 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-04-03 00:51:25,613 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-04-03 00:51:25,613 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-04-03 00:51:25,613 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-04-03 00:51:25,613 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-04-03 00:51:25,613 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-04-03 00:51:25,613 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-04-03 00:51:25,613 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-04-03 00:51:25,613 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-04-03 00:51:25,613 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-04-03 00:51:25,613 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-04-03 00:51:25,613 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2023-04-03 00:51:25,614 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2023-04-03 00:51:25,614 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-04-03 00:51:25,614 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-04-03 00:51:25,614 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-04-03 00:51:25,614 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-04-03 00:51:25,614 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-04-03 00:51:25,614 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-04-03 00:51:25,614 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-04-03 00:51:25,614 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-04-03 00:51:25,614 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-04-03 00:51:25,614 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-04-03 00:51:25,614 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-04-03 00:51:25,614 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-04-03 00:51:25,614 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-04-03 00:51:25,614 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-04-03 00:51:25,615 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-04-03 00:51:25,615 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-04-03 00:51:25,615 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-04-03 00:51:25,615 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-04-03 00:51:25,615 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-04-03 00:51:25,615 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-04-03 00:51:25,615 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-04-03 00:51:25,616 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-04-03 00:51:25,616 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-04-03 00:51:25,616 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-04-03 00:51:25,616 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-04-03 00:51:25,616 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-04-03 00:51:25,616 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-03 00:51:25,616 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-03 00:51:25,616 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 00:51:25,616 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2023-04-03 00:51:25,616 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2023-04-03 00:51:25,616 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2023-04-03 00:51:25,616 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2023-04-03 00:51:25,616 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-04-03 00:51:25,616 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2023-04-03 00:51:25,616 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2023-04-03 00:51:25,617 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2023-04-03 00:51:25,617 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2023-04-03 00:51:25,618 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2023-04-03 00:51:25,618 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2023-04-03 00:51:25,618 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2023-04-03 00:51:25,618 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 00:51:25,619 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 00:51:25,619 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-03 00:51:25,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 00:51:25,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 00:51:25,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 00:51:25,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 00:51:25,619 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-03 00:51:25,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 00:51:25,619 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-03 00:51:25,619 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-03 00:51:25,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 00:51:25,619 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-03 00:51:25,619 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-03 00:51:25,619 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-03 00:51:25,619 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-04-03 00:51:25,619 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-04-03 00:51:25,620 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-04-03 00:51:25,620 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2023-04-03 00:51:25,620 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2023-04-03 00:51:25,620 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-04-03 00:51:25,620 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-04-03 00:51:25,620 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-04-03 00:51:25,620 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-04-03 00:51:25,620 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-04-03 00:51:25,620 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-04-03 00:51:25,620 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-04-03 00:51:25,620 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-04-03 00:51:25,620 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-04-03 00:51:25,620 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-04-03 00:51:25,620 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-04-03 00:51:25,621 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-04-03 00:51:25,621 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-04-03 00:51:25,621 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-04-03 00:51:25,621 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-04-03 00:51:25,621 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-04-03 00:51:25,621 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-04-03 00:51:25,621 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-04-03 00:51:25,621 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 00:51:25,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 00:51:25,621 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 00:51:25,941 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 00:51:25,948 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 00:51:27,003 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 00:51:27,703 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 00:51:27,703 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-04-03 00:51:27,708 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 12:51:27 BoogieIcfgContainer [2023-04-03 00:51:27,709 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 00:51:27,712 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 00:51:27,712 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 00:51:27,715 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 00:51:27,715 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 12:51:24" (1/3) ... [2023-04-03 00:51:27,716 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@100d33bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 12:51:27, skipping insertion in model container [2023-04-03 00:51:27,716 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:51:25" (2/3) ... [2023-04-03 00:51:27,716 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@100d33bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 12:51:27, skipping insertion in model container [2023-04-03 00:51:27,716 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 12:51:27" (3/3) ... [2023-04-03 00:51:27,717 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec9_product12.cil.c [2023-04-03 00:51:27,735 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 00:51:27,738 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-03 00:51:27,805 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 00:51:27,813 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;@3dc99fb4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 00:51:27,813 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-03 00:51:27,820 INFO L276 IsEmpty]: Start isEmpty. Operand has 314 states, 160 states have (on average 1.21875) internal successors, (195), 166 states have internal predecessors, (195), 89 states have call successors, (89), 58 states have call predecessors, (89), 58 states have return successors, (89), 89 states have call predecessors, (89), 89 states have call successors, (89) [2023-04-03 00:51:27,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-04-03 00:51:27,844 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:51:27,846 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 00:51:27,847 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:51:27,853 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:51:27,853 INFO L85 PathProgramCache]: Analyzing trace with hash 911458974, now seen corresponding path program 1 times [2023-04-03 00:51:27,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:51:27,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069079261] [2023-04-03 00:51:27,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:51:27,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:51:28,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:51:28,318 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-03 00:51:28,318 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:51:28,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069079261] [2023-04-03 00:51:28,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1069079261] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:51:28,319 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:51:28,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-03 00:51:28,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732292423] [2023-04-03 00:51:28,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:51:28,326 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-03 00:51:28,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:51:28,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-03 00:51:28,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-03 00:51:28,368 INFO L87 Difference]: Start difference. First operand has 314 states, 160 states have (on average 1.21875) internal successors, (195), 166 states have internal predecessors, (195), 89 states have call successors, (89), 58 states have call predecessors, (89), 58 states have return successors, (89), 89 states have call predecessors, (89), 89 states have call successors, (89) Second operand has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-04-03 00:51:28,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:51:28,499 INFO L93 Difference]: Finished difference Result 405 states and 482 transitions. [2023-04-03 00:51:28,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-03 00:51:28,502 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 114 [2023-04-03 00:51:28,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:51:28,520 INFO L225 Difference]: With dead ends: 405 [2023-04-03 00:51:28,520 INFO L226 Difference]: Without dead ends: 274 [2023-04-03 00:51:28,524 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 00:51:28,528 INFO L413 NwaCegarLoop]: 305 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 00:51:28,528 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 305 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 00:51:28,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2023-04-03 00:51:28,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 274. [2023-04-03 00:51:28,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 141 states have (on average 1.2127659574468086) internal successors, (171), 144 states have internal predecessors, (171), 80 states have call successors, (80), 56 states have call predecessors, (80), 52 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2023-04-03 00:51:28,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 326 transitions. [2023-04-03 00:51:28,655 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 326 transitions. Word has length 114 [2023-04-03 00:51:28,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:51:28,656 INFO L495 AbstractCegarLoop]: Abstraction has 274 states and 326 transitions. [2023-04-03 00:51:28,656 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-04-03 00:51:28,657 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 326 transitions. [2023-04-03 00:51:28,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-04-03 00:51:28,660 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:51:28,661 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 00:51:28,661 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 00:51:28,661 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:51:28,662 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:51:28,662 INFO L85 PathProgramCache]: Analyzing trace with hash -1882118238, now seen corresponding path program 1 times [2023-04-03 00:51:28,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:51:28,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105941075] [2023-04-03 00:51:28,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:51:28,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:51:28,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:51:28,982 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-03 00:51:28,982 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:51:28,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105941075] [2023-04-03 00:51:28,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2105941075] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:51:28,983 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:51:28,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 00:51:28,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058102219] [2023-04-03 00:51:28,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:51:28,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 00:51:28,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:51:28,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 00:51:28,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 00:51:28,986 INFO L87 Difference]: Start difference. First operand 274 states and 326 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-04-03 00:51:29,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:51:29,064 INFO L93 Difference]: Finished difference Result 390 states and 454 transitions. [2023-04-03 00:51:29,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 00:51:29,065 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 115 [2023-04-03 00:51:29,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:51:29,068 INFO L225 Difference]: With dead ends: 390 [2023-04-03 00:51:29,068 INFO L226 Difference]: Without dead ends: 276 [2023-04-03 00:51:29,069 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 00:51:29,070 INFO L413 NwaCegarLoop]: 296 mSDtfsCounter, 0 mSDsluCounter, 294 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 590 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 00:51:29,070 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 590 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 00:51:29,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2023-04-03 00:51:29,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 276. [2023-04-03 00:51:29,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 276 states, 143 states have (on average 1.2097902097902098) internal successors, (173), 146 states have internal predecessors, (173), 80 states have call successors, (80), 56 states have call predecessors, (80), 52 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2023-04-03 00:51:29,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 328 transitions. [2023-04-03 00:51:29,086 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 328 transitions. Word has length 115 [2023-04-03 00:51:29,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:51:29,087 INFO L495 AbstractCegarLoop]: Abstraction has 276 states and 328 transitions. [2023-04-03 00:51:29,087 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-04-03 00:51:29,087 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 328 transitions. [2023-04-03 00:51:29,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-04-03 00:51:29,093 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:51:29,094 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 00:51:29,094 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 00:51:29,094 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:51:29,094 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:51:29,095 INFO L85 PathProgramCache]: Analyzing trace with hash 1110111326, now seen corresponding path program 1 times [2023-04-03 00:51:29,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:51:29,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583845406] [2023-04-03 00:51:29,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:51:29,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:51:29,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:51:29,288 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-03 00:51:29,288 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:51:29,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583845406] [2023-04-03 00:51:29,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [583845406] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:51:29,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:51:29,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 00:51:29,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741083604] [2023-04-03 00:51:29,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:51:29,291 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 00:51:29,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:51:29,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 00:51:29,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 00:51:29,293 INFO L87 Difference]: Start difference. First operand 276 states and 328 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, (34), 2 states have call predecessors, (34), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-04-03 00:51:29,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:51:29,411 INFO L93 Difference]: Finished difference Result 532 states and 660 transitions. [2023-04-03 00:51:29,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 00:51:29,411 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, (34), 2 states have call predecessors, (34), 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 00:51:29,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:51:29,414 INFO L225 Difference]: With dead ends: 532 [2023-04-03 00:51:29,414 INFO L226 Difference]: Without dead ends: 314 [2023-04-03 00:51:29,416 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 00:51:29,417 INFO L413 NwaCegarLoop]: 299 mSDtfsCounter, 51 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 588 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 00:51:29,417 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 588 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 00:51:29,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2023-04-03 00:51:29,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 313. [2023-04-03 00:51:29,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 173 states have (on average 1.2947976878612717) internal successors, (224), 176 states have internal predecessors, (224), 87 states have call successors, (87), 56 states have call predecessors, (87), 52 states have return successors, (82), 82 states have call predecessors, (82), 82 states have call successors, (82) [2023-04-03 00:51:29,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 393 transitions. [2023-04-03 00:51:29,431 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 393 transitions. Word has length 120 [2023-04-03 00:51:29,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:51:29,432 INFO L495 AbstractCegarLoop]: Abstraction has 313 states and 393 transitions. [2023-04-03 00:51:29,432 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, (34), 2 states have call predecessors, (34), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-04-03 00:51:29,432 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 393 transitions. [2023-04-03 00:51:29,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-04-03 00:51:29,434 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:51:29,434 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 00:51:29,434 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-03 00:51:29,435 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:51:29,435 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:51:29,435 INFO L85 PathProgramCache]: Analyzing trace with hash 1692716472, now seen corresponding path program 1 times [2023-04-03 00:51:29,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:51:29,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058361347] [2023-04-03 00:51:29,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:51:29,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:51:29,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:51:29,777 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-03 00:51:29,778 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:51:29,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058361347] [2023-04-03 00:51:29,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2058361347] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 00:51:29,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2135119970] [2023-04-03 00:51:29,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:51:29,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 00:51:29,779 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 00:51:29,783 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 00:51:29,806 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 00:51:30,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:51:30,266 INFO L262 TraceCheckSpWp]: Trace formula consists of 1864 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-03 00:51:30,277 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 00:51:30,330 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-03 00:51:30,330 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 00:51:30,485 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-03 00:51:30,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2135119970] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-03 00:51:30,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1083195669] [2023-04-03 00:51:30,505 INFO L159 IcfgInterpreter]: Started Sifa with 110 locations of interest [2023-04-03 00:51:30,506 INFO L166 IcfgInterpreter]: Building call graph [2023-04-03 00:51:30,509 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-03 00:51:30,513 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-03 00:51:30,514 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-03 00:51:34,925 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 340 for LOIs [2023-04-03 00:51:35,554 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 297 for LOIs [2023-04-03 00:51:41,233 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 249 for LOIs [2023-04-03 00:51:44,117 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh with input of size 240 for LOIs [2023-04-03 00:51:45,869 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh__wrappee__Base with input of size 231 for LOIs [2023-04-03 00:51:46,655 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck with input of size 241 for LOIs [2023-04-03 00:51:48,157 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck__wrappee__Base with input of size 232 for LOIs [2023-04-03 00:51:49,025 INFO L197 IcfgInterpreter]: Interpreting procedure setup_bob with input of size 245 for LOIs [2023-04-03 00:55:32,504 WARN L223 SmtUtils]: Spent 3.69m on a formula simplification. DAG size of input: 19623 DAG size of output: 302 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-03 00:55:32,720 INFO L197 IcfgInterpreter]: Interpreting procedure setup_bob__wrappee__Base with input of size 239 for LOIs