/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain OctagonDomain -i ../sv-benchmarks/c/product-lines/email_spec0_product11.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-02 23:58:06,096 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-02 23:58:06,097 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-02 23:58:06,135 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-02 23:58:06,135 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-02 23:58:06,139 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-02 23:58:06,141 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-02 23:58:06,143 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-02 23:58:06,144 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-02 23:58:06,148 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-02 23:58:06,149 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-02 23:58:06,150 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-02 23:58:06,150 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-02 23:58:06,152 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-02 23:58:06,153 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-02 23:58:06,153 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-02 23:58:06,154 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-02 23:58:06,154 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-02 23:58:06,156 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-02 23:58:06,159 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-02 23:58:06,160 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-02 23:58:06,161 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-02 23:58:06,162 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-02 23:58:06,163 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-02 23:58:06,168 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-02 23:58:06,169 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-02 23:58:06,169 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-02 23:58:06,170 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-02 23:58:06,170 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-02 23:58:06,171 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-02 23:58:06,171 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-02 23:58:06,171 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-02 23:58:06,172 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-02 23:58:06,173 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-02 23:58:06,173 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-02 23:58:06,174 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-02 23:58:06,174 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-02 23:58:06,174 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-02 23:58:06,174 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-02 23:58:06,175 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-02 23:58:06,175 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-02 23:58:06,176 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 [2023-04-02 23:58:06,199 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-02 23:58:06,199 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-02 23:58:06,200 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-02 23:58:06,200 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-02 23:58:06,200 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-02 23:58:06,200 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-02 23:58:06,200 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-02 23:58:06,201 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-02 23:58:06,201 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-02 23:58:06,201 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-02 23:58:06,201 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-02 23:58:06,201 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-02 23:58:06,201 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-02 23:58:06,202 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-02 23:58:06,202 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-02 23:58:06,202 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-02 23:58:06,202 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-02 23:58:06,202 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-02 23:58:06,202 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-02 23:58:06,202 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-02 23:58:06,203 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-02 23:58:06,203 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-02 23:58:06,203 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-02 23:58:06,203 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-02 23:58:06,203 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-02 23:58:06,203 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-02 23:58:06,203 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-02 23:58:06,203 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-02 23:58:06,203 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-02 23:58:06,204 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-02 23:58:06,204 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-02 23:58:06,204 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-02 23:58:06,204 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 23:58:06,204 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-02 23:58:06,204 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-02 23:58:06,204 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-02 23:58:06,204 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-02 23:58:06,204 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-02 23:58:06,204 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-02 23:58:06,204 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-02 23:58:06,205 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-02 23:58:06,205 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-02 23:58:06,399 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-02 23:58:06,416 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-02 23:58:06,417 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-02 23:58:06,418 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-02 23:58:06,419 INFO L275 PluginConnector]: CDTParser initialized [2023-04-02 23:58:06,419 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec0_product11.cil.c [2023-04-02 23:58:07,499 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-02 23:58:07,753 INFO L351 CDTParser]: Found 1 translation units. [2023-04-02 23:58:07,753 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_product11.cil.c [2023-04-02 23:58:07,764 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/659d34481/2b1e788f007c48749fa1f7969f80353e/FLAG33ef82e88 [2023-04-02 23:58:07,776 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/659d34481/2b1e788f007c48749fa1f7969f80353e [2023-04-02 23:58:07,777 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-02 23:58:07,778 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-02 23:58:07,780 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-02 23:58:07,781 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-02 23:58:07,783 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-02 23:58:07,783 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 11:58:07" (1/1) ... [2023-04-02 23:58:07,784 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53e73e05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 11:58:07, skipping insertion in model container [2023-04-02 23:58:07,784 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 11:58:07" (1/1) ... [2023-04-02 23:58:07,788 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-02 23:58:07,834 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-02 23:58:08,158 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_product11.cil.c[59717,59730] [2023-04-02 23:58:08,163 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 23:58:08,182 INFO L203 MainTranslator]: Completed pre-run [2023-04-02 23:58:08,251 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_product11.cil.c[59717,59730] [2023-04-02 23:58:08,252 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 23:58:08,269 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-04-02 23:58:08,274 INFO L208 MainTranslator]: Completed translation [2023-04-02 23:58:08,274 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 11:58:08 WrapperNode [2023-04-02 23:58:08,274 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-02 23:58:08,275 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-02 23:58:08,275 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-02 23:58:08,275 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-02 23:58:08,283 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 11:58:08" (1/1) ... [2023-04-02 23:58:08,283 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 11:58:08" (1/1) ... [2023-04-02 23:58:08,299 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 11:58:08" (1/1) ... [2023-04-02 23:58:08,299 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 11:58:08" (1/1) ... [2023-04-02 23:58:08,332 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 11:58:08" (1/1) ... [2023-04-02 23:58:08,342 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 11:58:08" (1/1) ... [2023-04-02 23:58:08,356 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 11:58:08" (1/1) ... [2023-04-02 23:58:08,361 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 11:58:08" (1/1) ... [2023-04-02 23:58:08,378 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-02 23:58:08,379 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-02 23:58:08,379 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-02 23:58:08,379 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-02 23:58:08,380 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 11:58:08" (1/1) ... [2023-04-02 23:58:08,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 23:58:08,391 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 23:58:08,434 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) [2023-04-02 23:58:08,478 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 [2023-04-02 23:58:08,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-02 23:58:08,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-02 23:58:08,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-02 23:58:08,502 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-02 23:58:08,502 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-04-02 23:58:08,502 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-04-02 23:58:08,502 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-04-02 23:58:08,502 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-04-02 23:58:08,502 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-04-02 23:58:08,502 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-04-02 23:58:08,502 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-04-02 23:58:08,502 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-04-02 23:58:08,503 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-04-02 23:58:08,503 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-04-02 23:58:08,503 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-04-02 23:58:08,503 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-04-02 23:58:08,503 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-04-02 23:58:08,503 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-04-02 23:58:08,503 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-04-02 23:58:08,503 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-04-02 23:58:08,503 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-04-02 23:58:08,503 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-04-02 23:58:08,503 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-04-02 23:58:08,503 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-04-02 23:58:08,503 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-04-02 23:58:08,503 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-02 23:58:08,504 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-02 23:58:08,504 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-02 23:58:08,504 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-02 23:58:08,504 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-04-02 23:58:08,504 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-04-02 23:58:08,504 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-04-02 23:58:08,504 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-04-02 23:58:08,504 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2023-04-02 23:58:08,504 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-04-02 23:58:08,504 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2023-04-02 23:58:08,504 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-04-02 23:58:08,504 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2023-04-02 23:58:08,504 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-04-02 23:58:08,504 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-04-02 23:58:08,505 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-04-02 23:58:08,505 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-02 23:58:08,505 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-02 23:58:08,505 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2023-04-02 23:58:08,506 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2023-04-02 23:58:08,506 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2023-04-02 23:58:08,506 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2023-04-02 23:58:08,506 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-04-02 23:58:08,506 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2023-04-02 23:58:08,506 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2023-04-02 23:58:08,506 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2023-04-02 23:58:08,507 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2023-04-02 23:58:08,507 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2023-04-02 23:58:08,507 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptForward_spec__1 [2023-04-02 23:58:08,507 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-02 23:58:08,507 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-02 23:58:08,507 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-02 23:58:08,507 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-02 23:58:08,508 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-02 23:58:08,508 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-02 23:58:08,508 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-02 23:58:08,508 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-04-02 23:58:08,508 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-04-02 23:58:08,509 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-04-02 23:58:08,509 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Keys [2023-04-02 23:58:08,509 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-04-02 23:58:08,509 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-04-02 23:58:08,509 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-04-02 23:58:08,509 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-04-02 23:58:08,509 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-04-02 23:58:08,509 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-04-02 23:58:08,509 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-04-02 23:58:08,509 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-04-02 23:58:08,509 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-04-02 23:58:08,509 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2023-04-02 23:58:08,509 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-04-02 23:58:08,509 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-04-02 23:58:08,509 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-04-02 23:58:08,510 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-04-02 23:58:08,510 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-04-02 23:58:08,510 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-04-02 23:58:08,510 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-04-02 23:58:08,511 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-04-02 23:58:08,511 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-04-02 23:58:08,511 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-04-02 23:58:08,511 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-04-02 23:58:08,511 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-04-02 23:58:08,511 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-04-02 23:58:08,511 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-04-02 23:58:08,511 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-04-02 23:58:08,512 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-04-02 23:58:08,512 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-04-02 23:58:08,512 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-04-02 23:58:08,512 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-04-02 23:58:08,512 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-04-02 23:58:08,512 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-04-02 23:58:08,512 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-04-02 23:58:08,512 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-04-02 23:58:08,512 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-04-02 23:58:08,512 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-04-02 23:58:08,512 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-04-02 23:58:08,512 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-04-02 23:58:08,512 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-04-02 23:58:08,512 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-04-02 23:58:08,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-02 23:58:08,513 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-04-02 23:58:08,513 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-02 23:58:08,513 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-02 23:58:08,513 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-02 23:58:08,513 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-02 23:58:08,513 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-02 23:58:08,513 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-04-02 23:58:08,513 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-04-02 23:58:08,513 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-04-02 23:58:08,513 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-04-02 23:58:08,514 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-04-02 23:58:08,514 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-04-02 23:58:08,514 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-04-02 23:58:08,514 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-04-02 23:58:08,514 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-04-02 23:58:08,515 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-04-02 23:58:08,516 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-04-02 23:58:08,516 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-04-02 23:58:08,520 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-04-02 23:58:08,520 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-04-02 23:58:08,520 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-04-02 23:58:08,520 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-04-02 23:58:08,520 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-04-02 23:58:08,520 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-04-02 23:58:08,520 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-04-02 23:58:08,520 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-04-02 23:58:08,521 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-04-02 23:58:08,521 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-02 23:58:08,521 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-02 23:58:08,521 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-02 23:58:08,521 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-02 23:58:08,521 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-02 23:58:08,521 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-04-02 23:58:08,521 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-04-02 23:58:08,521 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-04-02 23:58:08,521 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-04-02 23:58:08,521 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-04-02 23:58:08,521 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-04-02 23:58:08,521 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-04-02 23:58:08,522 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-04-02 23:58:08,522 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-04-02 23:58:08,522 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-04-02 23:58:08,522 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-04-02 23:58:08,522 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-04-02 23:58:08,522 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-04-02 23:58:08,522 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-04-02 23:58:08,522 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-04-02 23:58:08,522 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-04-02 23:58:08,522 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-04-02 23:58:08,522 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-04-02 23:58:08,522 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-04-02 23:58:08,522 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-04-02 23:58:08,522 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-04-02 23:58:08,522 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-04-02 23:58:08,522 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-04-02 23:58:08,522 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-04-02 23:58:08,522 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-02 23:58:08,523 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-02 23:58:08,523 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-02 23:58:08,523 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2023-04-02 23:58:08,523 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2023-04-02 23:58:08,523 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2023-04-02 23:58:08,523 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2023-04-02 23:58:08,523 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-04-02 23:58:08,523 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2023-04-02 23:58:08,523 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2023-04-02 23:58:08,523 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2023-04-02 23:58:08,523 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2023-04-02 23:58:08,523 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2023-04-02 23:58:08,523 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2023-04-02 23:58:08,523 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2023-04-02 23:58:08,524 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2023-04-02 23:58:08,524 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-02 23:58:08,524 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptForward_spec__1 [2023-04-02 23:58:08,524 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-02 23:58:08,524 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-02 23:58:08,524 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-02 23:58:08,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-02 23:58:08,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-02 23:58:08,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-02 23:58:08,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-02 23:58:08,524 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-02 23:58:08,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-02 23:58:08,525 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-02 23:58:08,525 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-02 23:58:08,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-02 23:58:08,526 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-02 23:58:08,526 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-02 23:58:08,526 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-02 23:58:08,526 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-04-02 23:58:08,526 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-04-02 23:58:08,526 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-04-02 23:58:08,526 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-04-02 23:58:08,526 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-04-02 23:58:08,526 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-04-02 23:58:08,526 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-04-02 23:58:08,526 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-04-02 23:58:08,526 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-04-02 23:58:08,526 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2023-04-02 23:58:08,526 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Keys [2023-04-02 23:58:08,526 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-04-02 23:58:08,526 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-04-02 23:58:08,526 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-04-02 23:58:08,526 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-04-02 23:58:08,527 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-04-02 23:58:08,527 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-04-02 23:58:08,527 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-04-02 23:58:08,527 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-04-02 23:58:08,527 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-04-02 23:58:08,527 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-04-02 23:58:08,527 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-04-02 23:58:08,527 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-04-02 23:58:08,527 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-04-02 23:58:08,527 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-04-02 23:58:08,527 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-04-02 23:58:08,527 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-04-02 23:58:08,527 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-04-02 23:58:08,527 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-04-02 23:58:08,527 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-04-02 23:58:08,527 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-02 23:58:08,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-02 23:58:08,527 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-02 23:58:08,819 INFO L236 CfgBuilder]: Building ICFG [2023-04-02 23:58:08,822 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-02 23:58:09,658 INFO L277 CfgBuilder]: Performing block encoding [2023-04-02 23:58:10,145 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-02 23:58:10,145 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-04-02 23:58:10,148 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 11:58:10 BoogieIcfgContainer [2023-04-02 23:58:10,148 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-02 23:58:10,149 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-02 23:58:10,149 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-02 23:58:10,151 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-02 23:58:10,152 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.04 11:58:07" (1/3) ... [2023-04-02 23:58:10,152 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41e9e1c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 11:58:10, skipping insertion in model container [2023-04-02 23:58:10,152 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 11:58:08" (2/3) ... [2023-04-02 23:58:10,152 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41e9e1c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 11:58:10, skipping insertion in model container [2023-04-02 23:58:10,152 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 11:58:10" (3/3) ... [2023-04-02 23:58:10,153 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec0_product11.cil.c [2023-04-02 23:58:10,165 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-02 23:58:10,165 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-02 23:58:10,211 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-02 23:58:10,217 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;@6c8f4862, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-02 23:58:10,218 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-02 23:58:10,225 INFO L276 IsEmpty]: Start isEmpty. Operand has 288 states, 145 states have (on average 1.206896551724138) internal successors, (175), 150 states have internal predecessors, (175), 82 states have call successors, (82), 56 states have call predecessors, (82), 56 states have return successors, (82), 82 states have call predecessors, (82), 82 states have call successors, (82) [2023-04-02 23:58:10,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-04-02 23:58:10,245 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 23:58:10,246 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] [2023-04-02 23:58:10,247 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 23:58:10,252 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 23:58:10,252 INFO L85 PathProgramCache]: Analyzing trace with hash -323386163, now seen corresponding path program 1 times [2023-04-02 23:58:10,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-02 23:58:10,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435809248] [2023-04-02 23:58:10,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 23:58:10,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 23:58:10,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 23:58:10,620 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-04-02 23:58:10,621 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-02 23:58:10,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435809248] [2023-04-02 23:58:10,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [435809248] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 23:58:10,621 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 23:58:10,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-02 23:58:10,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113768105] [2023-04-02 23:58:10,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 23:58:10,626 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-02 23:58:10,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-02 23:58:10,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-02 23:58:10,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-02 23:58:10,661 INFO L87 Difference]: Start difference. First operand has 288 states, 145 states have (on average 1.206896551724138) internal successors, (175), 150 states have internal predecessors, (175), 82 states have call successors, (82), 56 states have call predecessors, (82), 56 states have return successors, (82), 82 states have call predecessors, (82), 82 states have call successors, (82) 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, (38), 2 states have call predecessors, (38), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-04-02 23:58:10,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 23:58:10,751 INFO L93 Difference]: Finished difference Result 384 states and 450 transitions. [2023-04-02 23:58:10,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-02 23:58:10,753 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, (38), 2 states have call predecessors, (38), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 125 [2023-04-02 23:58:10,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 23:58:10,766 INFO L225 Difference]: With dead ends: 384 [2023-04-02 23:58:10,766 INFO L226 Difference]: Without dead ends: 267 [2023-04-02 23:58:10,769 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 [2023-04-02 23:58:10,772 INFO L413 NwaCegarLoop]: 293 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 293 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-02 23:58:10,773 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 293 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-02 23:58:10,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2023-04-02 23:58:10,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 267. [2023-04-02 23:58:10,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 267 states, 136 states have (on average 1.1911764705882353) internal successors, (162), 138 states have internal predecessors, (162), 78 states have call successors, (78), 56 states have call predecessors, (78), 52 states have return successors, (73), 73 states have call predecessors, (73), 73 states have call successors, (73) [2023-04-02 23:58:10,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 313 transitions. [2023-04-02 23:58:10,837 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 313 transitions. Word has length 125 [2023-04-02 23:58:10,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 23:58:10,839 INFO L495 AbstractCegarLoop]: Abstraction has 267 states and 313 transitions. [2023-04-02 23:58:10,839 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, (38), 2 states have call predecessors, (38), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-04-02 23:58:10,840 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 313 transitions. [2023-04-02 23:58:10,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2023-04-02 23:58:10,843 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 23:58:10,843 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] [2023-04-02 23:58:10,844 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-02 23:58:10,844 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 23:58:10,844 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 23:58:10,844 INFO L85 PathProgramCache]: Analyzing trace with hash 1409506224, now seen corresponding path program 1 times [2023-04-02 23:58:10,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-02 23:58:10,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200107142] [2023-04-02 23:58:10,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 23:58:10,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 23:58:10,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 23:58:11,032 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-04-02 23:58:11,032 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-02 23:58:11,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200107142] [2023-04-02 23:58:11,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200107142] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 23:58:11,033 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 23:58:11,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-02 23:58:11,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009461411] [2023-04-02 23:58:11,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 23:58:11,034 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-02 23:58:11,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-02 23:58:11,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-02 23:58:11,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-02 23:58:11,035 INFO L87 Difference]: Start difference. First operand 267 states and 313 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, (38), 2 states have call predecessors, (38), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-04-02 23:58:11,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 23:58:11,085 INFO L93 Difference]: Finished difference Result 369 states and 421 transitions. [2023-04-02 23:58:11,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-02 23:58:11,085 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, (38), 2 states have call predecessors, (38), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 126 [2023-04-02 23:58:11,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 23:58:11,087 INFO L225 Difference]: With dead ends: 369 [2023-04-02 23:58:11,087 INFO L226 Difference]: Without dead ends: 269 [2023-04-02 23:58:11,088 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 [2023-04-02 23:58:11,089 INFO L413 NwaCegarLoop]: 284 mSDtfsCounter, 0 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 566 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-02 23:58:11,089 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 566 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-02 23:58:11,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2023-04-02 23:58:11,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 269. [2023-04-02 23:58:11,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 269 states, 138 states have (on average 1.1884057971014492) internal successors, (164), 140 states have internal predecessors, (164), 78 states have call successors, (78), 56 states have call predecessors, (78), 52 states have return successors, (73), 73 states have call predecessors, (73), 73 states have call successors, (73) [2023-04-02 23:58:11,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 315 transitions. [2023-04-02 23:58:11,099 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 315 transitions. Word has length 126 [2023-04-02 23:58:11,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 23:58:11,100 INFO L495 AbstractCegarLoop]: Abstraction has 269 states and 315 transitions. [2023-04-02 23:58:11,100 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, (38), 2 states have call predecessors, (38), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-04-02 23:58:11,100 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 315 transitions. [2023-04-02 23:58:11,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-04-02 23:58:11,101 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 23:58:11,101 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] [2023-04-02 23:58:11,102 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-02 23:58:11,102 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 23:58:11,102 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 23:58:11,102 INFO L85 PathProgramCache]: Analyzing trace with hash 771805442, now seen corresponding path program 1 times [2023-04-02 23:58:11,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-02 23:58:11,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390455457] [2023-04-02 23:58:11,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 23:58:11,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 23:58:11,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 23:58:11,193 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-04-02 23:58:11,193 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-02 23:58:11,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390455457] [2023-04-02 23:58:11,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390455457] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 23:58:11,194 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 23:58:11,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-02 23:58:11,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853061069] [2023-04-02 23:58:11,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 23:58:11,194 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-02 23:58:11,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-02 23:58:11,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-02 23:58:11,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-02 23:58:11,195 INFO L87 Difference]: Start difference. First operand 269 states and 315 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, (38), 2 states have call predecessors, (38), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-04-02 23:58:11,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 23:58:11,245 INFO L93 Difference]: Finished difference Result 520 states and 637 transitions. [2023-04-02 23:58:11,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-02 23:58:11,245 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, (38), 2 states have call predecessors, (38), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 131 [2023-04-02 23:58:11,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 23:58:11,247 INFO L225 Difference]: With dead ends: 520 [2023-04-02 23:58:11,247 INFO L226 Difference]: Without dead ends: 309 [2023-04-02 23:58:11,248 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 [2023-04-02 23:58:11,248 INFO L413 NwaCegarLoop]: 289 mSDtfsCounter, 52 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 566 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-02 23:58:11,249 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 566 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-02 23:58:11,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2023-04-02 23:58:11,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 308. [2023-04-02 23:58:11,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308 states, 169 states have (on average 1.2781065088757397) internal successors, (216), 171 states have internal predecessors, (216), 86 states have call successors, (86), 56 states have call predecessors, (86), 52 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2023-04-02 23:58:11,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 383 transitions. [2023-04-02 23:58:11,258 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 383 transitions. Word has length 131 [2023-04-02 23:58:11,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 23:58:11,258 INFO L495 AbstractCegarLoop]: Abstraction has 308 states and 383 transitions. [2023-04-02 23:58:11,258 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, (38), 2 states have call predecessors, (38), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-04-02 23:58:11,258 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 383 transitions. [2023-04-02 23:58:11,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-04-02 23:58:11,259 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 23:58:11,259 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] [2023-04-02 23:58:11,260 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-02 23:58:11,260 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 23:58:11,260 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 23:58:11,260 INFO L85 PathProgramCache]: Analyzing trace with hash -605102574, now seen corresponding path program 1 times [2023-04-02 23:58:11,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-02 23:58:11,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369311320] [2023-04-02 23:58:11,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 23:58:11,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 23:58:11,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 23:58:11,378 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-04-02 23:58:11,379 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-02 23:58:11,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369311320] [2023-04-02 23:58:11,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [369311320] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 23:58:11,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1989886714] [2023-04-02 23:58:11,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 23:58:11,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 23:58:11,379 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 23:58:11,382 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) [2023-04-02 23:58:11,415 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-02 23:58:11,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 23:58:11,742 INFO L262 TraceCheckSpWp]: Trace formula consists of 1882 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-02 23:58:11,750 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 23:58:11,830 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-04-02 23:58:11,830 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-02 23:58:11,958 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-04-02 23:58:11,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1989886714] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-02 23:58:11,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [627689516] [2023-04-02 23:58:11,986 INFO L159 IcfgInterpreter]: Started Sifa with 119 locations of interest [2023-04-02 23:58:11,986 INFO L166 IcfgInterpreter]: Building call graph [2023-04-02 23:58:11,988 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-02 23:58:11,994 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-02 23:58:11,995 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-02 23:58:14,991 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 337 for LOIs [2023-04-02 23:58:15,456 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 297 for LOIs [2023-04-02 23:58:20,030 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 247 for LOIs [2023-04-02 23:58:22,327 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh with input of size 238 for LOIs [2023-04-02 23:58:23,789 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh__wrappee__Base with input of size 229 for LOIs [2023-04-02 23:58:24,503 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck with input of size 239 for LOIs [2023-04-02 23:58:25,958 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck__wrappee__Base with input of size 230 for LOIs [2023-04-02 23:58:26,782 INFO L197 IcfgInterpreter]: Interpreting procedure setup_bob with input of size 243 for LOIs [2023-04-03 00:01:59,705 WARN L223 SmtUtils]: Spent 3.52m 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 00:01:59,897 INFO L197 IcfgInterpreter]: Interpreting procedure setup_bob__wrappee__Base with input of size 237 for LOIs