/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 EqDomain -i ../sv-benchmarks/c/product-lines/email_spec6_product15.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 11:53:49,766 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 11:53:49,768 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 11:53:49,810 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 11:53:49,811 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 11:53:49,813 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 11:53:49,816 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 11:53:49,819 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 11:53:49,820 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 11:53:49,826 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 11:53:49,827 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 11:53:49,828 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 11:53:49,828 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 11:53:49,828 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 11:53:49,829 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 11:53:49,830 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 11:53:49,831 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 11:53:49,831 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 11:53:49,832 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 11:53:49,834 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 11:53:49,835 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 11:53:49,839 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 11:53:49,841 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 11:53:49,843 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 11:53:49,853 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-01 11:53:49,853 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-01 11:53:49,853 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-01 11:53:49,854 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-01 11:53:49,854 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-01 11:53:49,855 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-01 11:53:49,855 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 11:53:49,856 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 11:53:49,857 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 11:53:49,857 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 11:53:49,858 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 11:53:49,858 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 11:53:49,859 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 11:53:49,859 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 11:53:49,859 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 11:53:49,860 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 11:53:49,860 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 11:53:49,861 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 [2023-04-01 11:53:49,881 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 11:53:49,881 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 11:53:49,882 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 11:53:49,882 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 11:53:49,883 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 11:53:49,883 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 11:53:49,883 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-01 11:53:49,883 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-01 11:53:49,883 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-01 11:53:49,883 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-01 11:53:49,884 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-01 11:53:49,884 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-01 11:53:49,884 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-01 11:53:49,884 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-01 11:53:49,884 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-01 11:53:49,884 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-01 11:53:49,884 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-01 11:53:49,885 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-01 11:53:49,885 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 11:53:49,885 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 11:53:49,885 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 11:53:49,885 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 11:53:49,886 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 11:53:49,886 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 11:53:49,886 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 11:53:49,886 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 11:53:49,886 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 11:53:49,886 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 11:53:49,886 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 11:53:49,886 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 11:53:49,887 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 11:53:49,887 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 11:53:49,887 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 11:53:49,887 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 11:53:49,887 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-01 11:53:49,887 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 11:53:49,887 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 11:53:49,887 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-01 11:53:49,888 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 11:53:49,888 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 11:53:49,888 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-01 11:53:49,888 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> EqDomain [2023-04-01 11:53:50,123 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 11:53:50,143 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 11:53:50,145 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 11:53:50,146 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 11:53:50,147 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 11:53:50,147 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec6_product15.cil.c [2023-04-01 11:53:51,353 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 11:53:51,647 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 11:53:51,648 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec6_product15.cil.c [2023-04-01 11:53:51,665 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba04e32d7/37a43a1abc7b491ebe7f7c627a794d81/FLAG0544dc8a6 [2023-04-01 11:53:51,680 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba04e32d7/37a43a1abc7b491ebe7f7c627a794d81 [2023-04-01 11:53:51,683 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 11:53:51,684 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 11:53:51,690 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 11:53:51,691 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 11:53:51,693 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 11:53:51,694 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 11:53:51" (1/1) ... [2023-04-01 11:53:51,695 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16e60ea1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:53:51, skipping insertion in model container [2023-04-01 11:53:51,696 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 11:53:51" (1/1) ... [2023-04-01 11:53:51,702 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 11:53:51,760 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 11:53:51,907 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_spec6_product15.cil.c[6819,6832] [2023-04-01 11:53:52,210 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 11:53:52,225 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 11:53:52,249 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_spec6_product15.cil.c[6819,6832] [2023-04-01 11:53:52,307 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 11:53:52,329 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-04-01 11:53:52,336 INFO L208 MainTranslator]: Completed translation [2023-04-01 11:53:52,338 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:53:52 WrapperNode [2023-04-01 11:53:52,338 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 11:53:52,340 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 11:53:52,340 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 11:53:52,340 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 11:53:52,351 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:53:52" (1/1) ... [2023-04-01 11:53:52,351 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:53:52" (1/1) ... [2023-04-01 11:53:52,379 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:53:52" (1/1) ... [2023-04-01 11:53:52,379 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:53:52" (1/1) ... [2023-04-01 11:53:52,431 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:53:52" (1/1) ... [2023-04-01 11:53:52,446 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:53:52" (1/1) ... [2023-04-01 11:53:52,454 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:53:52" (1/1) ... [2023-04-01 11:53:52,476 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:53:52" (1/1) ... [2023-04-01 11:53:52,488 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 11:53:52,505 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 11:53:52,505 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 11:53:52,506 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 11:53:52,507 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:53:52" (1/1) ... [2023-04-01 11:53:52,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 11:53:52,532 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 11:53:52,579 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) [2023-04-01 11:53:52,601 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 [2023-04-01 11:53:52,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 11:53:52,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 11:53:52,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-01 11:53:52,630 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 11:53:52,630 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-01 11:53:52,630 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-01 11:53:52,631 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-04-01 11:53:52,631 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2023-04-01 11:53:52,631 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-04-01 11:53:52,631 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-04-01 11:53:52,631 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2023-04-01 11:53:52,631 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AutoResponder [2023-04-01 11:53:52,631 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-04-01 11:53:52,632 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-04-01 11:53:52,632 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-04-01 11:53:52,632 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-04-01 11:53:52,632 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-04-01 11:53:52,632 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-04-01 11:53:52,632 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-04-01 11:53:52,674 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-04-01 11:53:52,674 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-04-01 11:53:52,674 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2023-04-01 11:53:52,675 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-04-01 11:53:52,675 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-04-01 11:53:52,675 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-04-01 11:53:52,675 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-04-01 11:53:52,675 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-04-01 11:53:52,675 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-04-01 11:53:52,675 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-04-01 11:53:52,675 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-04-01 11:53:52,675 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-04-01 11:53:52,675 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-04-01 11:53:52,676 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-04-01 11:53:52,676 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-04-01 11:53:52,676 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-04-01 11:53:52,676 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-04-01 11:53:52,676 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-04-01 11:53:52,676 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-04-01 11:53:52,676 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-04-01 11:53:52,676 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-04-01 11:53:52,676 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-04-01 11:53:52,677 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-04-01 11:53:52,677 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-04-01 11:53:52,677 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-04-01 11:53:52,677 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2023-04-01 11:53:52,677 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-04-01 11:53:52,677 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2023-04-01 11:53:52,677 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-04-01 11:53:52,677 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-04-01 11:53:52,677 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-04-01 11:53:52,678 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-04-01 11:53:52,678 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-04-01 11:53:52,678 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-04-01 11:53:52,678 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-04-01 11:53:52,678 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-04-01 11:53:52,678 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-04-01 11:53:52,678 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-04-01 11:53:52,678 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-04-01 11:53:52,679 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-04-01 11:53:52,679 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-04-01 11:53:52,679 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-04-01 11:53:52,679 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-04-01 11:53:52,679 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-04-01 11:53:52,679 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-04-01 11:53:52,679 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-04-01 11:53:52,679 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-04-01 11:53:52,679 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-04-01 11:53:52,679 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-04-01 11:53:52,680 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-04-01 11:53:52,680 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-04-01 11:53:52,680 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-04-01 11:53:52,680 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-04-01 11:53:52,680 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-04-01 11:53:52,680 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-04-01 11:53:52,680 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-04-01 11:53:52,680 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-04-01 11:53:52,684 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-04-01 11:53:52,684 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-04-01 11:53:52,685 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-04-01 11:53:52,685 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-01 11:53:52,685 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-01 11:53:52,685 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-01 11:53:52,685 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-01 11:53:52,685 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptDecrypt_spec__1 [2023-04-01 11:53:52,685 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptDecrypt_spec__2 [2023-04-01 11:53:52,685 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2023-04-01 11:53:52,685 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-04-01 11:53:52,685 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2023-04-01 11:53:52,686 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-04-01 11:53:52,686 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2023-04-01 11:53:52,686 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-04-01 11:53:52,686 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-04-01 11:53:52,686 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-04-01 11:53:52,686 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-01 11:53:52,689 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 11:53:52,689 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2023-04-01 11:53:52,689 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2023-04-01 11:53:52,689 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2023-04-01 11:53:52,689 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2023-04-01 11:53:52,689 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-04-01 11:53:52,689 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2023-04-01 11:53:52,689 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2023-04-01 11:53:52,689 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2023-04-01 11:53:52,689 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2023-04-01 11:53:52,689 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2023-04-01 11:53:52,689 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-01 11:53:52,689 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-01 11:53:52,690 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-01 11:53:52,690 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-01 11:53:52,690 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-01 11:53:52,690 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-01 11:53:52,690 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 11:53:52,690 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 11:53:52,690 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 11:53:52,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 11:53:52,690 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 11:53:52,690 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2023-04-01 11:53:52,690 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2023-04-01 11:53:52,691 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2023-04-01 11:53:52,691 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2023-04-01 11:53:52,691 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2023-04-01 11:53:52,691 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2023-04-01 11:53:52,691 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-04-01 11:53:52,691 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2023-04-01 11:53:52,691 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-04-01 11:53:52,691 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-01 11:53:52,691 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-01 11:53:52,691 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-01 11:53:52,692 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-04-01 11:53:52,692 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-04-01 11:53:52,692 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-04-01 11:53:52,692 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-04-01 11:53:52,692 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-04-01 11:53:52,692 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-04-01 11:53:52,692 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-04-01 11:53:52,692 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-04-01 11:53:52,692 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-04-01 11:53:52,694 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-04-01 11:53:52,695 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-04-01 11:53:52,695 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-04-01 11:53:52,695 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-04-01 11:53:52,695 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-04-01 11:53:52,695 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-04-01 11:53:52,695 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-04-01 11:53:52,695 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-04-01 11:53:52,695 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-04-01 11:53:52,695 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-04-01 11:53:52,695 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-04-01 11:53:52,695 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-04-01 11:53:52,695 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-04-01 11:53:52,695 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-04-01 11:53:52,695 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-04-01 11:53:52,696 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-04-01 11:53:52,696 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-04-01 11:53:52,696 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-04-01 11:53:52,696 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-04-01 11:53:52,696 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2023-04-01 11:53:52,696 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptDecrypt_spec__1 [2023-04-01 11:53:52,696 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2023-04-01 11:53:52,696 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2023-04-01 11:53:52,696 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AutoResponder [2023-04-01 11:53:52,696 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptDecrypt_spec__2 [2023-04-01 11:53:52,696 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-04-01 11:53:52,696 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-04-01 11:53:52,696 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-04-01 11:53:52,696 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-04-01 11:53:52,696 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-04-01 11:53:52,700 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-04-01 11:53:52,700 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-04-01 11:53:52,701 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-04-01 11:53:52,701 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-04-01 11:53:52,701 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-04-01 11:53:52,701 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-04-01 11:53:52,701 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-04-01 11:53:52,702 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-04-01 11:53:52,702 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-04-01 11:53:52,702 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-04-01 11:53:52,702 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-04-01 11:53:52,702 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-04-01 11:53:52,702 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2023-04-01 11:53:52,702 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2023-04-01 11:53:52,702 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-04-01 11:53:52,702 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-04-01 11:53:52,703 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-04-01 11:53:52,703 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-04-01 11:53:52,703 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-04-01 11:53:52,703 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-04-01 11:53:52,703 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-04-01 11:53:52,703 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-04-01 11:53:52,704 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-04-01 11:53:52,704 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-04-01 11:53:52,704 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-04-01 11:53:52,704 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-04-01 11:53:52,705 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-04-01 11:53:52,706 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-04-01 11:53:52,706 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-04-01 11:53:52,706 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-04-01 11:53:52,706 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-04-01 11:53:52,706 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-04-01 11:53:52,706 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-04-01 11:53:52,706 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-04-01 11:53:52,706 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-04-01 11:53:52,706 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-04-01 11:53:52,706 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-04-01 11:53:52,706 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-01 11:53:52,706 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-01 11:53:52,707 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-01 11:53:52,707 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-01 11:53:52,707 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-04-01 11:53:52,707 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-04-01 11:53:52,707 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-04-01 11:53:52,707 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-04-01 11:53:52,707 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-01 11:53:52,707 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 11:53:52,708 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2023-04-01 11:53:52,708 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2023-04-01 11:53:52,708 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2023-04-01 11:53:52,708 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2023-04-01 11:53:52,708 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2023-04-01 11:53:52,708 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-01 11:53:52,708 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-01 11:53:52,708 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-01 11:53:52,708 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-01 11:53:52,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-01 11:53:52,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 11:53:52,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-01 11:53:52,709 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-01 11:53:52,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 11:53:52,709 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-01 11:53:52,709 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-01 11:53:52,709 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 11:53:52,709 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-01 11:53:52,709 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-01 11:53:52,709 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-01 11:53:52,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 11:53:52,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 11:53:52,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 11:53:53,025 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 11:53:53,029 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 11:53:54,051 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 11:53:54,796 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 11:53:54,796 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-04-01 11:53:54,801 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 11:53:54 BoogieIcfgContainer [2023-04-01 11:53:54,801 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 11:53:54,804 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 11:53:54,804 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 11:53:54,807 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 11:53:54,807 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 11:53:51" (1/3) ... [2023-04-01 11:53:54,807 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@480e61d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 11:53:54, skipping insertion in model container [2023-04-01 11:53:54,809 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:53:52" (2/3) ... [2023-04-01 11:53:54,810 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@480e61d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 11:53:54, skipping insertion in model container [2023-04-01 11:53:54,814 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 11:53:54" (3/3) ... [2023-04-01 11:53:54,816 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec6_product15.cil.c [2023-04-01 11:53:54,832 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 11:53:54,833 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 11:53:54,896 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 11:53:54,904 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;@2db1b1a4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-01 11:53:54,905 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 11:53:54,912 INFO L276 IsEmpty]: Start isEmpty. Operand has 348 states, 176 states have (on average 1.2045454545454546) internal successors, (212), 183 states have internal predecessors, (212), 100 states have call successors, (100), 65 states have call predecessors, (100), 65 states have return successors, (100), 100 states have call predecessors, (100), 100 states have call successors, (100) [2023-04-01 11:53:54,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-04-01 11:53:54,938 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 11:53:54,939 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 11:53:54,940 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 11:53:54,946 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 11:53:54,947 INFO L85 PathProgramCache]: Analyzing trace with hash -617854469, now seen corresponding path program 1 times [2023-04-01 11:53:54,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 11:53:54,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280879240] [2023-04-01 11:53:54,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 11:53:54,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 11:53:55,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 11:53:55,483 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-04-01 11:53:55,483 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 11:53:55,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280879240] [2023-04-01 11:53:55,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1280879240] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 11:53:55,485 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 11:53:55,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-01 11:53:55,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938624366] [2023-04-01 11:53:55,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 11:53:55,491 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-01 11:53:55,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 11:53:55,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-01 11:53:55,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-01 11:53:55,531 INFO L87 Difference]: Start difference. First operand has 348 states, 176 states have (on average 1.2045454545454546) internal successors, (212), 183 states have internal predecessors, (212), 100 states have call successors, (100), 65 states have call predecessors, (100), 65 states have return successors, (100), 100 states have call predecessors, (100), 100 states have call successors, (100) Second operand has 2 states, 2 states have (on average 30.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-04-01 11:53:55,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 11:53:55,663 INFO L93 Difference]: Finished difference Result 462 states and 548 transitions. [2023-04-01 11:53:55,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-01 11:53:55,666 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 30.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 136 [2023-04-01 11:53:55,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 11:53:55,682 INFO L225 Difference]: With dead ends: 462 [2023-04-01 11:53:55,682 INFO L226 Difference]: Without dead ends: 306 [2023-04-01 11:53:55,687 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 [2023-04-01 11:53:55,695 INFO L413 NwaCegarLoop]: 337 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 337 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-01 11:53:55,696 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 337 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 11:53:55,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2023-04-01 11:53:55,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 306. [2023-04-01 11:53:55,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 156 states have (on average 1.1987179487179487) internal successors, (187), 160 states have internal predecessors, (187), 90 states have call successors, (90), 63 states have call predecessors, (90), 59 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2023-04-01 11:53:55,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 362 transitions. [2023-04-01 11:53:55,770 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 362 transitions. Word has length 136 [2023-04-01 11:53:55,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 11:53:55,771 INFO L495 AbstractCegarLoop]: Abstraction has 306 states and 362 transitions. [2023-04-01 11:53:55,772 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 30.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-04-01 11:53:55,772 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 362 transitions. [2023-04-01 11:53:55,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2023-04-01 11:53:55,783 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 11:53:55,784 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 11:53:55,784 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-01 11:53:55,784 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 11:53:55,785 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 11:53:55,785 INFO L85 PathProgramCache]: Analyzing trace with hash -1777235112, now seen corresponding path program 1 times [2023-04-01 11:53:55,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 11:53:55,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942746018] [2023-04-01 11:53:55,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 11:53:55,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 11:53:55,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 11:53:56,140 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-04-01 11:53:56,140 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 11:53:56,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942746018] [2023-04-01 11:53:56,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1942746018] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 11:53:56,141 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 11:53:56,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 11:53:56,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539274812] [2023-04-01 11:53:56,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 11:53:56,145 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 11:53:56,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 11:53:56,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 11:53:56,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 11:53:56,147 INFO L87 Difference]: Start difference. First operand 306 states and 362 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-04-01 11:53:56,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 11:53:56,249 INFO L93 Difference]: Finished difference Result 447 states and 519 transitions. [2023-04-01 11:53:56,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 11:53:56,249 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 137 [2023-04-01 11:53:56,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 11:53:56,252 INFO L225 Difference]: With dead ends: 447 [2023-04-01 11:53:56,252 INFO L226 Difference]: Without dead ends: 308 [2023-04-01 11:53:56,254 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 [2023-04-01 11:53:56,255 INFO L413 NwaCegarLoop]: 328 mSDtfsCounter, 0 mSDsluCounter, 326 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 654 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-01 11:53:56,255 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 654 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 11:53:56,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2023-04-01 11:53:56,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 308. [2023-04-01 11:53:56,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308 states, 158 states have (on average 1.1962025316455696) internal successors, (189), 162 states have internal predecessors, (189), 90 states have call successors, (90), 63 states have call predecessors, (90), 59 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2023-04-01 11:53:56,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 364 transitions. [2023-04-01 11:53:56,286 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 364 transitions. Word has length 137 [2023-04-01 11:53:56,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 11:53:56,286 INFO L495 AbstractCegarLoop]: Abstraction has 308 states and 364 transitions. [2023-04-01 11:53:56,287 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-04-01 11:53:56,287 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 364 transitions. [2023-04-01 11:53:56,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2023-04-01 11:53:56,289 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 11:53:56,289 INFO L195 NwaCegarLoop]: trace histogram [3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 11:53:56,289 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-01 11:53:56,290 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 11:53:56,290 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 11:53:56,290 INFO L85 PathProgramCache]: Analyzing trace with hash -139348310, now seen corresponding path program 1 times [2023-04-01 11:53:56,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 11:53:56,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667607999] [2023-04-01 11:53:56,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 11:53:56,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 11:53:56,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 11:53:56,497 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-04-01 11:53:56,497 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 11:53:56,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667607999] [2023-04-01 11:53:56,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [667607999] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 11:53:56,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 11:53:56,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 11:53:56,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252567239] [2023-04-01 11:53:56,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 11:53:56,500 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 11:53:56,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 11:53:56,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 11:53:56,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 11:53:56,502 INFO L87 Difference]: Start difference. First operand 308 states and 364 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-04-01 11:53:56,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 11:53:56,625 INFO L93 Difference]: Finished difference Result 598 states and 735 transitions. [2023-04-01 11:53:56,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 11:53:56,626 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 146 [2023-04-01 11:53:56,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 11:53:56,629 INFO L225 Difference]: With dead ends: 598 [2023-04-01 11:53:56,629 INFO L226 Difference]: Without dead ends: 348 [2023-04-01 11:53:56,630 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 [2023-04-01 11:53:56,631 INFO L413 NwaCegarLoop]: 331 mSDtfsCounter, 52 mSDsluCounter, 321 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 652 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-01 11:53:56,632 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 652 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 11:53:56,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2023-04-01 11:53:56,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 347. [2023-04-01 11:53:56,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 347 states, 189 states have (on average 1.2751322751322751) internal successors, (241), 193 states have internal predecessors, (241), 98 states have call successors, (98), 63 states have call predecessors, (98), 59 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2023-04-01 11:53:56,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 432 transitions. [2023-04-01 11:53:56,648 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 432 transitions. Word has length 146 [2023-04-01 11:53:56,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 11:53:56,649 INFO L495 AbstractCegarLoop]: Abstraction has 347 states and 432 transitions. [2023-04-01 11:53:56,649 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-04-01 11:53:56,649 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 432 transitions. [2023-04-01 11:53:56,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-04-01 11:53:56,651 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 11:53:56,652 INFO L195 NwaCegarLoop]: trace histogram [3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 11:53:56,652 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-01 11:53:56,652 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 11:53:56,652 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 11:53:56,652 INFO L85 PathProgramCache]: Analyzing trace with hash 1034597059, now seen corresponding path program 1 times [2023-04-01 11:53:56,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 11:53:56,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564085246] [2023-04-01 11:53:56,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 11:53:56,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 11:53:56,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 11:53:56,852 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-04-01 11:53:56,852 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 11:53:56,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564085246] [2023-04-01 11:53:56,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1564085246] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 11:53:56,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 11:53:56,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 11:53:56,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877104951] [2023-04-01 11:53:56,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 11:53:56,854 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 11:53:56,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 11:53:56,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 11:53:56,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 11:53:56,855 INFO L87 Difference]: Start difference. First operand 347 states and 432 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-04-01 11:53:56,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 11:53:56,941 INFO L93 Difference]: Finished difference Result 712 states and 934 transitions. [2023-04-01 11:53:56,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 11:53:56,941 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 147 [2023-04-01 11:53:56,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 11:53:56,948 INFO L225 Difference]: With dead ends: 712 [2023-04-01 11:53:56,948 INFO L226 Difference]: Without dead ends: 423 [2023-04-01 11:53:56,949 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 [2023-04-01 11:53:56,956 INFO L413 NwaCegarLoop]: 333 mSDtfsCounter, 50 mSDsluCounter, 321 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 654 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-01 11:53:56,957 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 654 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 11:53:56,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2023-04-01 11:53:56,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 422. [2023-04-01 11:53:56,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 422 states, 249 states have (on average 1.3694779116465863) internal successors, (341), 253 states have internal predecessors, (341), 113 states have call successors, (113), 63 states have call predecessors, (113), 59 states have return successors, (108), 108 states have call predecessors, (108), 108 states have call successors, (108) [2023-04-01 11:53:56,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 562 transitions. [2023-04-01 11:53:56,987 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 562 transitions. Word has length 147 [2023-04-01 11:53:56,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 11:53:56,988 INFO L495 AbstractCegarLoop]: Abstraction has 422 states and 562 transitions. [2023-04-01 11:53:56,988 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-04-01 11:53:56,989 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 562 transitions. [2023-04-01 11:53:56,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-04-01 11:53:56,992 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 11:53:56,993 INFO L195 NwaCegarLoop]: trace histogram [3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 11:53:56,993 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-01 11:53:56,993 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 11:53:56,993 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 11:53:56,993 INFO L85 PathProgramCache]: Analyzing trace with hash -470926875, now seen corresponding path program 1 times [2023-04-01 11:53:56,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 11:53:56,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402503928] [2023-04-01 11:53:56,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 11:53:56,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 11:53:57,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 11:53:57,258 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-04-01 11:53:57,258 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 11:53:57,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402503928] [2023-04-01 11:53:57,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1402503928] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 11:53:57,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [34889442] [2023-04-01 11:53:57,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 11:53:57,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 11:53:57,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 11:53:57,269 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) [2023-04-01 11:53:57,287 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-01 11:53:57,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 11:53:57,774 INFO L262 TraceCheckSpWp]: Trace formula consists of 2164 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-01 11:53:57,789 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 11:53:57,866 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-04-01 11:53:57,866 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 11:53:58,074 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-04-01 11:53:58,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [34889442] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 11:53:58,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1584319143] [2023-04-01 11:53:58,128 INFO L159 IcfgInterpreter]: Started Sifa with 137 locations of interest [2023-04-01 11:53:58,128 INFO L166 IcfgInterpreter]: Building call graph [2023-04-01 11:53:58,131 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-01 11:53:58,136 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-01 11:53:58,136 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-01 11:54:07,022 WARN L223 SmtUtils]: Spent 5.08s on a formula simplification. DAG size of input: 491 DAG size of output: 491 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-01 11:54:12,567 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 340 for LOIs [2023-04-01 11:54:13,099 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 570 for LOIs [2023-04-01 11:54:23,896 WARN L223 SmtUtils]: Spent 8.68s on a formula simplification. DAG size of input: 570 DAG size of output: 570 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-01 11:54:32,273 WARN L223 SmtUtils]: Spent 8.37s on a formula simplification. DAG size of input: 570 DAG size of output: 570 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-01 11:54:40,721 WARN L223 SmtUtils]: Spent 8.45s on a formula simplification. DAG size of input: 570 DAG size of output: 570 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-01 11:54:49,217 WARN L223 SmtUtils]: Spent 8.49s on a formula simplification. DAG size of input: 570 DAG size of output: 570 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-01 11:54:59,386 WARN L223 SmtUtils]: Spent 8.57s on a formula simplification. DAG size of input: 570 DAG size of output: 570 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm)