/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_spec7_product19.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 00:41:13,714 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 00:41:13,715 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 00:41:13,733 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 00:41:13,734 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 00:41:13,734 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 00:41:13,735 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 00:41:13,736 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 00:41:13,737 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 00:41:13,738 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 00:41:13,738 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 00:41:13,739 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 00:41:13,739 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 00:41:13,740 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 00:41:13,740 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 00:41:13,741 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 00:41:13,741 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 00:41:13,742 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 00:41:13,743 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 00:41:13,744 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 00:41:13,745 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 00:41:13,761 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 00:41:13,762 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 00:41:13,762 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 00:41:13,764 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 00:41:13,764 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 00:41:13,764 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 00:41:13,765 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 00:41:13,765 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 00:41:13,766 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 00:41:13,766 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 00:41:13,766 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 00:41:13,767 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 00:41:13,768 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 00:41:13,769 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 00:41:13,769 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 00:41:13,769 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 00:41:13,770 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 00:41:13,770 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 00:41:13,772 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 00:41:13,772 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 00:41:13,773 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 00:41:13,810 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 00:41:13,811 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 00:41:13,811 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 00:41:13,811 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 00:41:13,812 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 00:41:13,812 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 00:41:13,812 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 00:41:13,812 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 00:41:13,812 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 00:41:13,812 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 00:41:13,813 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 00:41:13,813 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 00:41:13,813 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 00:41:13,813 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 00:41:13,813 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 00:41:13,813 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 00:41:13,814 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 00:41:13,814 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 00:41:13,814 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 00:41:13,814 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 00:41:13,814 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 00:41:13,814 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 00:41:13,815 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 00:41:13,815 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 00:41:13,815 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 00:41:13,815 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 00:41:13,815 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 00:41:13,815 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 00:41:13,815 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 00:41:13,816 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 00:41:13,816 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 00:41:13,816 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 00:41:13,816 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 00:41:13,816 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 00:41:13,816 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 00:41:13,816 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 00:41:13,816 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 00:41:13,816 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 00:41:13,817 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 00:41:13,817 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 00:41:13,817 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 00:41:13,817 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 00:41:14,026 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 00:41:14,047 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 00:41:14,049 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 00:41:14,050 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 00:41:14,050 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 00:41:14,051 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec7_product19.cil.c [2023-04-03 00:41:15,148 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 00:41:15,336 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 00:41:15,336 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec7_product19.cil.c [2023-04-03 00:41:15,368 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c00492852/d3603d21f93343599de9e4d38e7ab6ba/FLAGf905b6285 [2023-04-03 00:41:15,381 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c00492852/d3603d21f93343599de9e4d38e7ab6ba [2023-04-03 00:41:15,383 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 00:41:15,384 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 00:41:15,384 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 00:41:15,384 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 00:41:15,402 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 00:41:15,403 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 12:41:15" (1/1) ... [2023-04-03 00:41:15,404 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6dbebd1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:41:15, skipping insertion in model container [2023-04-03 00:41:15,404 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 12:41:15" (1/1) ... [2023-04-03 00:41:15,410 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 00:41:15,470 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 00:41:15,885 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_spec7_product19.cil.c[37206,37219] [2023-04-03 00:41:15,943 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 00:41:15,958 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 00:41:16,034 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_spec7_product19.cil.c[37206,37219] [2023-04-03 00:41:16,050 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 00:41:16,071 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-04-03 00:41:16,076 INFO L208 MainTranslator]: Completed translation [2023-04-03 00:41:16,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:41:16 WrapperNode [2023-04-03 00:41:16,076 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 00:41:16,077 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 00:41:16,077 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 00:41:16,077 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 00:41:16,085 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:41:16" (1/1) ... [2023-04-03 00:41:16,086 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:41:16" (1/1) ... [2023-04-03 00:41:16,115 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:41:16" (1/1) ... [2023-04-03 00:41:16,115 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:41:16" (1/1) ... [2023-04-03 00:41:16,153 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:41:16" (1/1) ... [2023-04-03 00:41:16,164 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:41:16" (1/1) ... [2023-04-03 00:41:16,187 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:41:16" (1/1) ... [2023-04-03 00:41:16,191 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:41:16" (1/1) ... [2023-04-03 00:41:16,200 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 00:41:16,207 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 00:41:16,207 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 00:41:16,207 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 00:41:16,208 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:41:16" (1/1) ... [2023-04-03 00:41:16,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 00:41:16,226 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 00:41:16,249 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 00:41:16,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 00:41:16,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 00:41:16,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-03 00:41:16,299 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 00:41:16,299 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptVerify_spec__1 [2023-04-03 00:41:16,299 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-04-03 00:41:16,299 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-04-03 00:41:16,299 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-04-03 00:41:16,299 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-04-03 00:41:16,299 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-04-03 00:41:16,299 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-04-03 00:41:16,300 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-04-03 00:41:16,300 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-04-03 00:41:16,300 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-04-03 00:41:16,300 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-04-03 00:41:16,300 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-04-03 00:41:16,300 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-04-03 00:41:16,300 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-04-03 00:41:16,300 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-04-03 00:41:16,300 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-04-03 00:41:16,300 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-04-03 00:41:16,300 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-04-03 00:41:16,300 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-04-03 00:41:16,285 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 00:41:16,301 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-04-03 00:41:16,301 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-04-03 00:41:16,301 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-04-03 00:41:16,301 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-04-03 00:41:16,302 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-03 00:41:16,302 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-03 00:41:16,302 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-03 00:41:16,302 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-03 00:41:16,302 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-03 00:41:16,302 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-03 00:41:16,302 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-03 00:41:16,302 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-03 00:41:16,302 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-03 00:41:16,302 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-03 00:41:16,302 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-03 00:41:16,302 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2023-04-03 00:41:16,302 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2023-04-03 00:41:16,303 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-04-03 00:41:16,303 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-04-03 00:41:16,303 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-04-03 00:41:16,303 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-04-03 00:41:16,304 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-04-03 00:41:16,304 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2023-04-03 00:41:16,304 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-04-03 00:41:16,304 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-04-03 00:41:16,304 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2023-04-03 00:41:16,305 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2023-04-03 00:41:16,305 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-04-03 00:41:16,305 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-04-03 00:41:16,305 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-04-03 00:41:16,305 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-04-03 00:41:16,306 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-04-03 00:41:16,306 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-04-03 00:41:16,306 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-04-03 00:41:16,306 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-04-03 00:41:16,307 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-04-03 00:41:16,307 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2023-04-03 00:41:16,307 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2023-04-03 00:41:16,307 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2023-04-03 00:41:16,307 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2023-04-03 00:41:16,307 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-04-03 00:41:16,307 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2023-04-03 00:41:16,307 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-04-03 00:41:16,307 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2023-04-03 00:41:16,307 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-04-03 00:41:16,307 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-04-03 00:41:16,308 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-04-03 00:41:16,308 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-03 00:41:16,308 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 00:41:16,308 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2023-04-03 00:41:16,308 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2023-04-03 00:41:16,308 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2023-04-03 00:41:16,308 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2023-04-03 00:41:16,308 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-04-03 00:41:16,308 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2023-04-03 00:41:16,308 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2023-04-03 00:41:16,308 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2023-04-03 00:41:16,340 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2023-04-03 00:41:16,340 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2023-04-03 00:41:16,340 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-03 00:41:16,341 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-04-03 00:41:16,341 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-04-03 00:41:16,341 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-04-03 00:41:16,341 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-04-03 00:41:16,341 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-04-03 00:41:16,341 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-04-03 00:41:16,341 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-04-03 00:41:16,341 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-04-03 00:41:16,341 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-04-03 00:41:16,341 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-04-03 00:41:16,341 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-04-03 00:41:16,341 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-04-03 00:41:16,341 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-04-03 00:41:16,341 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-04-03 00:41:16,341 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-04-03 00:41:16,342 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-04-03 00:41:16,342 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-04-03 00:41:16,342 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-04-03 00:41:16,342 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-04-03 00:41:16,342 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-04-03 00:41:16,342 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-04-03 00:41:16,342 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-04-03 00:41:16,342 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-04-03 00:41:16,342 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-04-03 00:41:16,342 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-04-03 00:41:16,342 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-04-03 00:41:16,342 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-04-03 00:41:16,342 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-04-03 00:41:16,342 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-04-03 00:41:16,342 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 00:41:16,343 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 00:41:16,343 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 00:41:16,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 00:41:16,343 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 00:41:16,343 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-03 00:41:16,343 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-04-03 00:41:16,343 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptVerify_spec__1 [2023-04-03 00:41:16,343 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-03 00:41:16,343 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-04-03 00:41:16,343 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-04-03 00:41:16,343 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-04-03 00:41:16,343 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-04-03 00:41:16,343 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-04-03 00:41:16,343 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-04-03 00:41:16,343 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-04-03 00:41:16,344 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-04-03 00:41:16,344 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-04-03 00:41:16,344 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-04-03 00:41:16,344 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-04-03 00:41:16,344 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-04-03 00:41:16,344 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-04-03 00:41:16,344 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-04-03 00:41:16,344 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-04-03 00:41:16,344 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-04-03 00:41:16,344 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-04-03 00:41:16,344 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-04-03 00:41:16,344 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-04-03 00:41:16,344 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-04-03 00:41:16,344 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-04-03 00:41:16,344 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-04-03 00:41:16,344 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-03 00:41:16,345 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-03 00:41:16,345 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-03 00:41:16,345 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-03 00:41:16,345 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 00:41:16,345 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 00:41:16,345 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-03 00:41:16,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 00:41:16,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 00:41:16,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 00:41:16,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 00:41:16,345 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-03 00:41:16,345 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 00:41:16,345 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-03 00:41:16,345 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-03 00:41:16,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 00:41:16,345 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-03 00:41:16,345 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-03 00:41:16,346 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-03 00:41:16,346 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2023-04-03 00:41:16,346 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2023-04-03 00:41:16,346 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2023-04-03 00:41:16,346 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2023-04-03 00:41:16,346 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2023-04-03 00:41:16,346 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2023-04-03 00:41:16,346 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-04-03 00:41:16,346 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2023-04-03 00:41:16,346 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-04-03 00:41:16,346 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-03 00:41:16,346 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-04-03 00:41:16,346 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-04-03 00:41:16,346 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-04-03 00:41:16,346 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2023-04-03 00:41:16,347 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2023-04-03 00:41:16,347 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-04-03 00:41:16,347 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-04-03 00:41:16,347 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-04-03 00:41:16,347 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-04-03 00:41:16,347 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-04-03 00:41:16,347 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-04-03 00:41:16,347 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-04-03 00:41:16,347 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-04-03 00:41:16,347 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-04-03 00:41:16,347 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-04-03 00:41:16,347 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-04-03 00:41:16,347 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-04-03 00:41:16,347 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-04-03 00:41:16,347 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-04-03 00:41:16,347 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-04-03 00:41:16,348 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-04-03 00:41:16,348 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-04-03 00:41:16,348 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-04-03 00:41:16,348 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-04-03 00:41:16,348 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2023-04-03 00:41:16,348 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2023-04-03 00:41:16,348 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2023-04-03 00:41:16,348 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2023-04-03 00:41:16,348 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2023-04-03 00:41:16,348 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2023-04-03 00:41:16,348 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-04-03 00:41:16,348 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-04-03 00:41:16,348 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-04-03 00:41:16,352 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-04-03 00:41:16,352 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-04-03 00:41:16,352 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-04-03 00:41:16,352 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-04-03 00:41:16,358 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-04-03 00:41:16,358 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-04-03 00:41:16,358 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-04-03 00:41:16,359 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-04-03 00:41:16,359 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-03 00:41:16,359 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 00:41:16,360 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2023-04-03 00:41:16,360 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2023-04-03 00:41:16,360 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2023-04-03 00:41:16,360 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2023-04-03 00:41:16,360 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2023-04-03 00:41:16,360 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-04-03 00:41:16,360 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-04-03 00:41:16,360 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-04-03 00:41:16,360 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-04-03 00:41:16,360 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-04-03 00:41:16,360 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-04-03 00:41:16,360 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-04-03 00:41:16,360 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-04-03 00:41:16,361 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-04-03 00:41:16,361 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-04-03 00:41:16,361 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-04-03 00:41:16,361 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-04-03 00:41:16,361 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-04-03 00:41:16,361 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-04-03 00:41:16,361 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-04-03 00:41:16,361 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-04-03 00:41:16,361 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 00:41:16,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 00:41:16,361 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 00:41:16,595 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 00:41:16,597 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 00:41:17,348 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 00:41:17,896 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 00:41:17,896 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-04-03 00:41:17,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 12:41:17 BoogieIcfgContainer [2023-04-03 00:41:17,900 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 00:41:17,902 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 00:41:17,902 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 00:41:17,904 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 00:41:17,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 12:41:15" (1/3) ... [2023-04-03 00:41:17,906 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f41bd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 12:41:17, skipping insertion in model container [2023-04-03 00:41:17,910 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:41:16" (2/3) ... [2023-04-03 00:41:17,910 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f41bd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 12:41:17, skipping insertion in model container [2023-04-03 00:41:17,910 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 12:41:17" (3/3) ... [2023-04-03 00:41:17,911 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec7_product19.cil.c [2023-04-03 00:41:17,924 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 00:41:17,924 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-03 00:41:17,963 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 00:41:17,968 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;@5f1b9969, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 00:41:17,968 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-03 00:41:17,975 INFO L276 IsEmpty]: Start isEmpty. Operand has 355 states, 178 states have (on average 1.196629213483146) internal successors, (213), 185 states have internal predecessors, (213), 101 states have call successors, (101), 71 states have call predecessors, (101), 71 states have return successors, (101), 101 states have call predecessors, (101), 101 states have call successors, (101) [2023-04-03 00:41:17,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-04-03 00:41:17,992 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:41:17,992 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, 1, 1, 1, 1, 1, 1] [2023-04-03 00:41:17,993 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:41:17,996 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:41:17,996 INFO L85 PathProgramCache]: Analyzing trace with hash 1807828695, now seen corresponding path program 1 times [2023-04-03 00:41:18,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:41:18,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969938139] [2023-04-03 00:41:18,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:41:18,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:41:18,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:41:18,392 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 00:41:18,392 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:41:18,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969938139] [2023-04-03 00:41:18,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1969938139] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:41:18,396 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:41:18,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-03 00:41:18,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733316187] [2023-04-03 00:41:18,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:41:18,401 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-03 00:41:18,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:41:18,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-03 00:41:18,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-03 00:41:18,437 INFO L87 Difference]: Start difference. First operand has 355 states, 178 states have (on average 1.196629213483146) internal successors, (213), 185 states have internal predecessors, (213), 101 states have call successors, (101), 71 states have call predecessors, (101), 71 states have return successors, (101), 101 states have call predecessors, (101), 101 states have call successors, (101) Second operand has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-04-03 00:41:18,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:41:18,566 INFO L93 Difference]: Finished difference Result 518 states and 603 transitions. [2023-04-03 00:41:18,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-03 00:41:18,568 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 121 [2023-04-03 00:41:18,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:41:18,578 INFO L225 Difference]: With dead ends: 518 [2023-04-03 00:41:18,579 INFO L226 Difference]: Without dead ends: 334 [2023-04-03 00:41:18,582 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 00:41:18,584 INFO L413 NwaCegarLoop]: 358 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 00:41:18,585 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 358 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 00:41:18,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2023-04-03 00:41:18,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 334. [2023-04-03 00:41:18,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 334 states, 169 states have (on average 1.183431952662722) internal successors, (200), 173 states have internal predecessors, (200), 97 states have call successors, (97), 71 states have call predecessors, (97), 67 states have return successors, (92), 92 states have call predecessors, (92), 92 states have call successors, (92) [2023-04-03 00:41:18,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 389 transitions. [2023-04-03 00:41:18,629 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 389 transitions. Word has length 121 [2023-04-03 00:41:18,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:41:18,630 INFO L495 AbstractCegarLoop]: Abstraction has 334 states and 389 transitions. [2023-04-03 00:41:18,631 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-04-03 00:41:18,631 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 389 transitions. [2023-04-03 00:41:18,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-04-03 00:41:18,634 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:41:18,634 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, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 00:41:18,634 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 00:41:18,634 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:41:18,635 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:41:18,635 INFO L85 PathProgramCache]: Analyzing trace with hash 1255710828, now seen corresponding path program 1 times [2023-04-03 00:41:18,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:41:18,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300026957] [2023-04-03 00:41:18,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:41:18,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:41:18,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:41:18,856 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 00:41:18,858 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:41:18,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300026957] [2023-04-03 00:41:18,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1300026957] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:41:18,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:41:18,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 00:41:18,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87835110] [2023-04-03 00:41:18,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:41:18,859 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 00:41:18,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:41:18,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 00:41:18,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 00:41:18,860 INFO L87 Difference]: Start difference. First operand 334 states and 389 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-04-03 00:41:18,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:41:18,972 INFO L93 Difference]: Finished difference Result 503 states and 573 transitions. [2023-04-03 00:41:18,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 00:41:18,973 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 122 [2023-04-03 00:41:18,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:41:18,976 INFO L225 Difference]: With dead ends: 503 [2023-04-03 00:41:18,977 INFO L226 Difference]: Without dead ends: 336 [2023-04-03 00:41:18,978 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 00:41:18,979 INFO L413 NwaCegarLoop]: 349 mSDtfsCounter, 0 mSDsluCounter, 347 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 696 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 00:41:18,979 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 696 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 00:41:18,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2023-04-03 00:41:19,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 336. [2023-04-03 00:41:19,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 336 states, 171 states have (on average 1.1812865497076024) internal successors, (202), 175 states have internal predecessors, (202), 97 states have call successors, (97), 71 states have call predecessors, (97), 67 states have return successors, (92), 92 states have call predecessors, (92), 92 states have call successors, (92) [2023-04-03 00:41:19,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 391 transitions. [2023-04-03 00:41:19,004 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 391 transitions. Word has length 122 [2023-04-03 00:41:19,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:41:19,004 INFO L495 AbstractCegarLoop]: Abstraction has 336 states and 391 transitions. [2023-04-03 00:41:19,005 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-04-03 00:41:19,005 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 391 transitions. [2023-04-03 00:41:19,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-04-03 00:41:19,006 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:41:19,006 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] [2023-04-03 00:41:19,006 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 00:41:19,007 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:41:19,007 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:41:19,007 INFO L85 PathProgramCache]: Analyzing trace with hash -147249986, now seen corresponding path program 1 times [2023-04-03 00:41:19,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:41:19,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169023043] [2023-04-03 00:41:19,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:41:19,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:41:19,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:41:19,139 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 00:41:19,139 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:41:19,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169023043] [2023-04-03 00:41:19,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1169023043] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:41:19,140 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:41:19,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 00:41:19,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713019663] [2023-04-03 00:41:19,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:41:19,141 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 00:41:19,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:41:19,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 00:41:19,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 00:41:19,142 INFO L87 Difference]: Start difference. First operand 336 states and 391 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-04-03 00:41:19,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:41:19,215 INFO L93 Difference]: Finished difference Result 654 states and 789 transitions. [2023-04-03 00:41:19,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 00:41:19,216 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 127 [2023-04-03 00:41:19,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:41:19,218 INFO L225 Difference]: With dead ends: 654 [2023-04-03 00:41:19,218 INFO L226 Difference]: Without dead ends: 376 [2023-04-03 00:41:19,219 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 00:41:19,220 INFO L413 NwaCegarLoop]: 354 mSDtfsCounter, 52 mSDsluCounter, 342 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 696 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 00:41:19,220 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 696 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 00:41:19,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2023-04-03 00:41:19,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 375. [2023-04-03 00:41:19,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 375 states, 202 states have (on average 1.2574257425742574) internal successors, (254), 206 states have internal predecessors, (254), 105 states have call successors, (105), 71 states have call predecessors, (105), 67 states have return successors, (100), 100 states have call predecessors, (100), 100 states have call successors, (100) [2023-04-03 00:41:19,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 459 transitions. [2023-04-03 00:41:19,236 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 459 transitions. Word has length 127 [2023-04-03 00:41:19,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:41:19,237 INFO L495 AbstractCegarLoop]: Abstraction has 375 states and 459 transitions. [2023-04-03 00:41:19,237 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-04-03 00:41:19,237 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 459 transitions. [2023-04-03 00:41:19,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-04-03 00:41:19,239 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:41:19,239 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] [2023-04-03 00:41:19,239 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-03 00:41:19,239 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:41:19,239 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:41:19,240 INFO L85 PathProgramCache]: Analyzing trace with hash -446172302, now seen corresponding path program 1 times [2023-04-03 00:41:19,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:41:19,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785069152] [2023-04-03 00:41:19,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:41:19,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:41:19,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:41:19,418 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 00:41:19,418 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:41:19,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785069152] [2023-04-03 00:41:19,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785069152] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 00:41:19,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1376561449] [2023-04-03 00:41:19,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:41:19,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 00:41:19,419 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 00:41:19,429 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 00:41:19,458 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 00:41:19,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:41:19,896 INFO L262 TraceCheckSpWp]: Trace formula consists of 2048 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-03 00:41:19,906 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 00:41:19,996 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 00:41:19,997 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 00:41:20,156 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 00:41:20,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1376561449] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-03 00:41:20,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1173758452] [2023-04-03 00:41:20,173 INFO L159 IcfgInterpreter]: Started Sifa with 117 locations of interest [2023-04-03 00:41:20,173 INFO L166 IcfgInterpreter]: Building call graph [2023-04-03 00:41:20,176 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-03 00:41:20,179 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-03 00:41:20,180 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-03 00:41:23,869 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 337 for LOIs [2023-04-03 00:41:24,419 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 309 for LOIs [2023-04-03 00:41:29,829 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 247 for LOIs [2023-04-03 00:41:32,360 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh with input of size 238 for LOIs [2023-04-03 00:41:33,830 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh__wrappee__Base with input of size 229 for LOIs [2023-04-03 00:41:34,596 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck with input of size 239 for LOIs [2023-04-03 00:41:36,040 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck__wrappee__Base with input of size 230 for LOIs [2023-04-03 00:41:37,025 INFO L197 IcfgInterpreter]: Interpreting procedure setup_bob with input of size 243 for LOIs [2023-04-03 00:45:36,575 WARN L223 SmtUtils]: Spent 3.96m on a formula simplification. DAG size of input: 19281 DAG size of output: 300 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-03 00:45:36,735 INFO L197 IcfgInterpreter]: Interpreting procedure setup_bob__wrappee__Base with input of size 237 for LOIs