/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_spec8_product12.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 00:45:58,545 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 00:45:58,548 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 00:45:58,588 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 00:45:58,588 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 00:45:58,591 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 00:45:58,597 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 00:45:58,598 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 00:45:58,599 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 00:45:58,600 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 00:45:58,600 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 00:45:58,617 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 00:45:58,617 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 00:45:58,618 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 00:45:58,619 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 00:45:58,619 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 00:45:58,620 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 00:45:58,620 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 00:45:58,621 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 00:45:58,622 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 00:45:58,623 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 00:45:58,625 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 00:45:58,626 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 00:45:58,626 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 00:45:58,628 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 00:45:58,629 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 00:45:58,629 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 00:45:58,629 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 00:45:58,630 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 00:45:58,630 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 00:45:58,631 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 00:45:58,631 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 00:45:58,631 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 00:45:58,632 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 00:45:58,632 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 00:45:58,633 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 00:45:58,633 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 00:45:58,633 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 00:45:58,633 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 00:45:58,634 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 00:45:58,634 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 00:45:58,641 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 00:45:58,657 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 00:45:58,657 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 00:45:58,657 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 00:45:58,657 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 00:45:58,658 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 00:45:58,658 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 00:45:58,658 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 00:45:58,658 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 00:45:58,658 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 00:45:58,658 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 00:45:58,658 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 00:45:58,658 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 00:45:58,658 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 00:45:58,659 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 00:45:58,659 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 00:45:58,659 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 00:45:58,659 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 00:45:58,659 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 00:45:58,659 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 00:45:58,659 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 00:45:58,660 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 00:45:58,660 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 00:45:58,660 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 00:45:58,660 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 00:45:58,660 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 00:45:58,660 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 00:45:58,660 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 00:45:58,660 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 00:45:58,665 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 00:45:58,665 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 00:45:58,665 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 00:45:58,665 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 00:45:58,665 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 00:45:58,665 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 00:45:58,665 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 00:45:58,665 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 00:45:58,666 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 00:45:58,666 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 00:45:58,666 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 00:45:58,666 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 00:45:58,666 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 00:45:58,666 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 00:45:58,825 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 00:45:58,839 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 00:45:58,840 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 00:45:58,841 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 00:45:58,841 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 00:45:58,842 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec8_product12.cil.c [2023-04-03 00:45:59,957 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 00:46:00,207 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 00:46:00,208 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec8_product12.cil.c [2023-04-03 00:46:00,235 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ebe3e599/85d86738caef44258dd7e8f406a53856/FLAGcc1221f1b [2023-04-03 00:46:00,248 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ebe3e599/85d86738caef44258dd7e8f406a53856 [2023-04-03 00:46:00,250 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 00:46:00,251 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 00:46:00,252 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 00:46:00,252 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 00:46:00,255 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 00:46:00,255 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 12:46:00" (1/1) ... [2023-04-03 00:46:00,256 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@421e34bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:46:00, skipping insertion in model container [2023-04-03 00:46:00,256 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 12:46:00" (1/1) ... [2023-04-03 00:46:00,261 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 00:46:00,295 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 00:46:00,534 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_spec8_product12.cil.c[16969,16982] [2023-04-03 00:46:00,705 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 00:46:00,721 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 00:46:00,752 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_spec8_product12.cil.c[16969,16982] [2023-04-03 00:46:00,788 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 00:46:00,804 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-04-03 00:46:00,809 INFO L208 MainTranslator]: Completed translation [2023-04-03 00:46:00,809 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:46:00 WrapperNode [2023-04-03 00:46:00,809 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 00:46:00,810 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 00:46:00,810 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 00:46:00,810 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 00:46:00,819 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:46:00" (1/1) ... [2023-04-03 00:46:00,820 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:46:00" (1/1) ... [2023-04-03 00:46:00,861 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:46:00" (1/1) ... [2023-04-03 00:46:00,864 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:46:00" (1/1) ... [2023-04-03 00:46:00,903 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:46:00" (1/1) ... [2023-04-03 00:46:00,914 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:46:00" (1/1) ... [2023-04-03 00:46:00,920 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:46:00" (1/1) ... [2023-04-03 00:46:00,924 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:46:00" (1/1) ... [2023-04-03 00:46:00,932 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 00:46:00,933 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 00:46:00,933 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 00:46:00,933 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 00:46:00,934 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:46:00" (1/1) ... [2023-04-03 00:46:00,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 00:46:00,959 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 00:46:00,973 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 00:46:00,975 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 00:46:01,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 00:46:01,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 00:46:01,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-03 00:46:01,006 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 00:46:01,006 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-03 00:46:01,006 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-03 00:46:01,006 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-03 00:46:01,006 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-03 00:46:01,006 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-03 00:46:01,006 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-03 00:46:01,006 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2023-04-03 00:46:01,006 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-04-03 00:46:01,007 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2023-04-03 00:46:01,007 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-04-03 00:46:01,007 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2023-04-03 00:46:01,007 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-04-03 00:46:01,007 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-04-03 00:46:01,007 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-04-03 00:46:01,007 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-03 00:46:01,007 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 00:46:01,008 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2023-04-03 00:46:01,008 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2023-04-03 00:46:01,008 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2023-04-03 00:46:01,008 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2023-04-03 00:46:01,008 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-04-03 00:46:01,008 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2023-04-03 00:46:01,008 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2023-04-03 00:46:01,008 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2023-04-03 00:46:01,008 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2023-04-03 00:46:01,008 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-03 00:46:01,008 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-03 00:46:01,008 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-03 00:46:01,009 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-03 00:46:01,009 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-03 00:46:01,009 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-03 00:46:01,009 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-04-03 00:46:01,009 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-04-03 00:46:01,009 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-04-03 00:46:01,009 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-04-03 00:46:01,009 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-04-03 00:46:01,009 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-04-03 00:46:01,009 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-04-03 00:46:01,010 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-04-03 00:46:01,010 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-04-03 00:46:01,011 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-04-03 00:46:01,011 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-04-03 00:46:01,011 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-04-03 00:46:01,011 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-04-03 00:46:01,011 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-04-03 00:46:01,011 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-04-03 00:46:01,011 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-04-03 00:46:01,011 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-04-03 00:46:01,012 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-04-03 00:46:01,012 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-04-03 00:46:01,012 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-04-03 00:46:01,012 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-04-03 00:46:01,012 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptAutoResponder_spec__1 [2023-04-03 00:46:01,013 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptAutoResponder_spec__2 [2023-04-03 00:46:01,013 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2023-04-03 00:46:01,013 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-04-03 00:46:01,014 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2023-04-03 00:46:01,014 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-04-03 00:46:01,014 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-04-03 00:46:01,014 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-04-03 00:46:01,014 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-04-03 00:46:01,014 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2023-04-03 00:46:01,030 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-04-03 00:46:01,031 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-04-03 00:46:01,031 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2023-04-03 00:46:01,031 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-04-03 00:46:01,031 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-04-03 00:46:01,031 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-04-03 00:46:01,031 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-04-03 00:46:01,031 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-04-03 00:46:01,031 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-04-03 00:46:01,031 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-04-03 00:46:01,031 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-04-03 00:46:01,031 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-04-03 00:46:01,031 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-04-03 00:46:01,031 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-04-03 00:46:01,031 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-04-03 00:46:01,032 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-04-03 00:46:01,032 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-04-03 00:46:01,032 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-04-03 00:46:01,032 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-04-03 00:46:01,032 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-04-03 00:46:01,032 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-04-03 00:46:01,032 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-04-03 00:46:01,032 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-04-03 00:46:01,032 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-04-03 00:46:01,032 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-04-03 00:46:01,032 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-04-03 00:46:01,032 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-04-03 00:46:01,033 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-04-03 00:46:01,033 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-04-03 00:46:01,033 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-04-03 00:46:01,033 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-04-03 00:46:01,033 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-04-03 00:46:01,034 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-04-03 00:46:01,034 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-04-03 00:46:01,034 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-04-03 00:46:01,034 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-04-03 00:46:01,034 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-04-03 00:46:01,034 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-04-03 00:46:01,034 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-04-03 00:46:01,035 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-04-03 00:46:01,035 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-04-03 00:46:01,035 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-04-03 00:46:01,035 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 00:46:01,035 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 00:46:01,035 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 00:46:01,036 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 00:46:01,036 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 00:46:01,036 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 00:46:01,036 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 00:46:01,036 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-03 00:46:01,036 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 00:46:01,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 00:46:01,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 00:46:01,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 00:46:01,037 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-03 00:46:01,039 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 00:46:01,039 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-03 00:46:01,044 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-03 00:46:01,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 00:46:01,044 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-03 00:46:01,045 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-03 00:46:01,045 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-03 00:46:01,045 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-03 00:46:01,045 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-04-03 00:46:01,045 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-04-03 00:46:01,046 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-04-03 00:46:01,046 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-04-03 00:46:01,049 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-04-03 00:46:01,049 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-04-03 00:46:01,049 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-04-03 00:46:01,049 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-04-03 00:46:01,049 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-03 00:46:01,049 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-03 00:46:01,049 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-03 00:46:01,049 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-04-03 00:46:01,050 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-04-03 00:46:01,050 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-04-03 00:46:01,050 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-04-03 00:46:01,050 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-04-03 00:46:01,050 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-04-03 00:46:01,050 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-04-03 00:46:01,050 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-04-03 00:46:01,050 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-04-03 00:46:01,050 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-04-03 00:46:01,050 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-04-03 00:46:01,050 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-03 00:46:01,050 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-03 00:46:01,050 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 00:46:01,050 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2023-04-03 00:46:01,050 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2023-04-03 00:46:01,050 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2023-04-03 00:46:01,050 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2023-04-03 00:46:01,050 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-04-03 00:46:01,051 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2023-04-03 00:46:01,051 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2023-04-03 00:46:01,051 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2023-04-03 00:46:01,051 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2023-04-03 00:46:01,051 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2023-04-03 00:46:01,051 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2023-04-03 00:46:01,051 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2023-04-03 00:46:01,051 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-03 00:46:01,051 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-03 00:46:01,051 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-04-03 00:46:01,051 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-04-03 00:46:01,051 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-04-03 00:46:01,051 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-04-03 00:46:01,051 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-04-03 00:46:01,051 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-04-03 00:46:01,051 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-04-03 00:46:01,051 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-04-03 00:46:01,051 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-04-03 00:46:01,051 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-04-03 00:46:01,052 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-04-03 00:46:01,052 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-04-03 00:46:01,052 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-04-03 00:46:01,052 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-04-03 00:46:01,052 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-04-03 00:46:01,052 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-04-03 00:46:01,052 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-04-03 00:46:01,052 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-04-03 00:46:01,052 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-04-03 00:46:01,052 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-04-03 00:46:01,052 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-04-03 00:46:01,052 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptAutoResponder_spec__1 [2023-04-03 00:46:01,052 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptAutoResponder_spec__2 [2023-04-03 00:46:01,052 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-04-03 00:46:01,052 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-04-03 00:46:01,052 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-04-03 00:46:01,052 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-04-03 00:46:01,052 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2023-04-03 00:46:01,053 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2023-04-03 00:46:01,053 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-04-03 00:46:01,053 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-04-03 00:46:01,053 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-04-03 00:46:01,053 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-04-03 00:46:01,053 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-04-03 00:46:01,053 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-04-03 00:46:01,053 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-04-03 00:46:01,053 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-04-03 00:46:01,053 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-04-03 00:46:01,053 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-04-03 00:46:01,053 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2023-04-03 00:46:01,053 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2023-04-03 00:46:01,053 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-04-03 00:46:01,053 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-04-03 00:46:01,053 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-04-03 00:46:01,053 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-04-03 00:46:01,053 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-04-03 00:46:01,053 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-04-03 00:46:01,053 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-04-03 00:46:01,054 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-04-03 00:46:01,054 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-04-03 00:46:01,054 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-04-03 00:46:01,054 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-04-03 00:46:01,054 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-04-03 00:46:01,054 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-04-03 00:46:01,054 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-04-03 00:46:01,054 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-04-03 00:46:01,054 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-04-03 00:46:01,054 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-04-03 00:46:01,054 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-04-03 00:46:01,054 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-04-03 00:46:01,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 00:46:01,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 00:46:01,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 00:46:01,303 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 00:46:01,306 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 00:46:02,192 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 00:46:02,768 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 00:46:02,769 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-04-03 00:46:02,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 12:46:02 BoogieIcfgContainer [2023-04-03 00:46:02,773 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 00:46:02,776 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 00:46:02,776 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 00:46:02,778 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 00:46:02,778 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 12:46:00" (1/3) ... [2023-04-03 00:46:02,779 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b9f0547 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 12:46:02, skipping insertion in model container [2023-04-03 00:46:02,779 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:46:00" (2/3) ... [2023-04-03 00:46:02,779 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b9f0547 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 12:46:02, skipping insertion in model container [2023-04-03 00:46:02,779 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 12:46:02" (3/3) ... [2023-04-03 00:46:02,780 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec8_product12.cil.c [2023-04-03 00:46:02,794 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 00:46:02,796 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-03 00:46:02,844 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 00:46:02,850 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;@1eb23ae1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 00:46:02,850 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-03 00:46:02,857 INFO L276 IsEmpty]: Start isEmpty. Operand has 314 states, 160 states have (on average 1.21875) internal successors, (195), 166 states have internal predecessors, (195), 89 states have call successors, (89), 58 states have call predecessors, (89), 58 states have return successors, (89), 89 states have call predecessors, (89), 89 states have call successors, (89) [2023-04-03 00:46:02,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-04-03 00:46:02,876 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:46:02,877 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 00:46:02,878 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:46:02,882 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:46:02,883 INFO L85 PathProgramCache]: Analyzing trace with hash 1073092603, now seen corresponding path program 1 times [2023-04-03 00:46:02,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:46:02,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324628294] [2023-04-03 00:46:02,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:46:02,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:46:03,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:46:03,291 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 00:46:03,292 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:46:03,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324628294] [2023-04-03 00:46:03,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1324628294] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:46:03,293 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:46:03,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-03 00:46:03,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309207178] [2023-04-03 00:46:03,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:46:03,297 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-03 00:46:03,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:46:03,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-03 00:46:03,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-03 00:46:03,319 INFO L87 Difference]: Start difference. First operand has 314 states, 160 states have (on average 1.21875) internal successors, (195), 166 states have internal predecessors, (195), 89 states have call successors, (89), 58 states have call predecessors, (89), 58 states have return successors, (89), 89 states have call predecessors, (89), 89 states have call successors, (89) Second operand has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-04-03 00:46:03,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:46:03,403 INFO L93 Difference]: Finished difference Result 405 states and 482 transitions. [2023-04-03 00:46:03,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-03 00:46:03,405 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 114 [2023-04-03 00:46:03,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:46:03,413 INFO L225 Difference]: With dead ends: 405 [2023-04-03 00:46:03,413 INFO L226 Difference]: Without dead ends: 274 [2023-04-03 00:46:03,416 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 00:46:03,418 INFO L413 NwaCegarLoop]: 305 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 00:46:03,419 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 305 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 00:46:03,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2023-04-03 00:46:03,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 274. [2023-04-03 00:46:03,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 141 states have (on average 1.2127659574468086) internal successors, (171), 144 states have internal predecessors, (171), 80 states have call successors, (80), 56 states have call predecessors, (80), 52 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2023-04-03 00:46:03,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 326 transitions. [2023-04-03 00:46:03,472 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 326 transitions. Word has length 114 [2023-04-03 00:46:03,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:46:03,473 INFO L495 AbstractCegarLoop]: Abstraction has 274 states and 326 transitions. [2023-04-03 00:46:03,473 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-04-03 00:46:03,473 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 326 transitions. [2023-04-03 00:46:03,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-04-03 00:46:03,476 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:46:03,476 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 00:46:03,476 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 00:46:03,477 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:46:03,477 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:46:03,477 INFO L85 PathProgramCache]: Analyzing trace with hash 1976318161, now seen corresponding path program 1 times [2023-04-03 00:46:03,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:46:03,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502215512] [2023-04-03 00:46:03,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:46:03,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:46:03,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:46:03,793 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 00:46:03,794 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:46:03,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502215512] [2023-04-03 00:46:03,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1502215512] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:46:03,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:46:03,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 00:46:03,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081270136] [2023-04-03 00:46:03,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:46:03,798 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 00:46:03,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:46:03,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 00:46:03,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 00:46:03,799 INFO L87 Difference]: Start difference. First operand 274 states and 326 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-04-03 00:46:03,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:46:03,915 INFO L93 Difference]: Finished difference Result 390 states and 454 transitions. [2023-04-03 00:46:03,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 00:46:03,915 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 115 [2023-04-03 00:46:03,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:46:03,922 INFO L225 Difference]: With dead ends: 390 [2023-04-03 00:46:03,922 INFO L226 Difference]: Without dead ends: 276 [2023-04-03 00:46:03,923 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 00:46:03,924 INFO L413 NwaCegarLoop]: 296 mSDtfsCounter, 0 mSDsluCounter, 294 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 590 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 00:46:03,925 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 590 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 00:46:03,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2023-04-03 00:46:03,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 276. [2023-04-03 00:46:03,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 276 states, 143 states have (on average 1.2097902097902098) internal successors, (173), 146 states have internal predecessors, (173), 80 states have call successors, (80), 56 states have call predecessors, (80), 52 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2023-04-03 00:46:03,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 328 transitions. [2023-04-03 00:46:03,967 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 328 transitions. Word has length 115 [2023-04-03 00:46:03,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:46:03,969 INFO L495 AbstractCegarLoop]: Abstraction has 276 states and 328 transitions. [2023-04-03 00:46:03,969 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-04-03 00:46:03,970 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 328 transitions. [2023-04-03 00:46:03,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-04-03 00:46:03,974 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:46:03,974 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 00:46:03,974 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 00:46:03,974 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:46:03,975 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:46:03,975 INFO L85 PathProgramCache]: Analyzing trace with hash -403924933, now seen corresponding path program 1 times [2023-04-03 00:46:03,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:46:03,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888302694] [2023-04-03 00:46:03,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:46:03,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:46:04,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:46:04,129 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 00:46:04,129 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:46:04,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888302694] [2023-04-03 00:46:04,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1888302694] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:46:04,131 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:46:04,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 00:46:04,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054112417] [2023-04-03 00:46:04,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:46:04,132 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 00:46:04,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:46:04,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 00:46:04,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 00:46:04,133 INFO L87 Difference]: Start difference. First operand 276 states and 328 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-04-03 00:46:04,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:46:04,238 INFO L93 Difference]: Finished difference Result 532 states and 660 transitions. [2023-04-03 00:46:04,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 00:46:04,240 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 120 [2023-04-03 00:46:04,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:46:04,244 INFO L225 Difference]: With dead ends: 532 [2023-04-03 00:46:04,244 INFO L226 Difference]: Without dead ends: 314 [2023-04-03 00:46:04,246 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 00:46:04,246 INFO L413 NwaCegarLoop]: 299 mSDtfsCounter, 51 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 588 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 00:46:04,247 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 588 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 00:46:04,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2023-04-03 00:46:04,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 313. [2023-04-03 00:46:04,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 173 states have (on average 1.2947976878612717) internal successors, (224), 176 states have internal predecessors, (224), 87 states have call successors, (87), 56 states have call predecessors, (87), 52 states have return successors, (82), 82 states have call predecessors, (82), 82 states have call successors, (82) [2023-04-03 00:46:04,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 393 transitions. [2023-04-03 00:46:04,270 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 393 transitions. Word has length 120 [2023-04-03 00:46:04,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:46:04,270 INFO L495 AbstractCegarLoop]: Abstraction has 313 states and 393 transitions. [2023-04-03 00:46:04,270 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-04-03 00:46:04,270 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 393 transitions. [2023-04-03 00:46:04,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-04-03 00:46:04,273 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:46:04,273 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 00:46:04,273 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-03 00:46:04,273 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:46:04,273 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:46:04,274 INFO L85 PathProgramCache]: Analyzing trace with hash 1346625575, now seen corresponding path program 1 times [2023-04-03 00:46:04,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:46:04,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255562031] [2023-04-03 00:46:04,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:46:04,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:46:04,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:46:04,463 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 00:46:04,463 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:46:04,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255562031] [2023-04-03 00:46:04,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1255562031] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 00:46:04,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [495653891] [2023-04-03 00:46:04,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:46:04,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 00:46:04,464 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 00:46:04,477 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 00:46:04,491 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 00:46:04,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:46:04,907 INFO L262 TraceCheckSpWp]: Trace formula consists of 1864 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-03 00:46:04,915 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 00:46:04,959 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 00:46:04,959 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 00:46:05,083 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 00:46:05,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [495653891] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-03 00:46:05,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1159170804] [2023-04-03 00:46:05,101 INFO L159 IcfgInterpreter]: Started Sifa with 110 locations of interest [2023-04-03 00:46:05,101 INFO L166 IcfgInterpreter]: Building call graph [2023-04-03 00:46:05,104 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-03 00:46:05,107 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-03 00:46:05,107 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-03 00:46:08,935 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 340 for LOIs [2023-04-03 00:46:09,468 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 297 for LOIs [2023-04-03 00:46:14,331 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 249 for LOIs [2023-04-03 00:46:16,890 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh with input of size 240 for LOIs [2023-04-03 00:46:18,559 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh__wrappee__Base with input of size 231 for LOIs [2023-04-03 00:46:19,302 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck with input of size 241 for LOIs [2023-04-03 00:46:20,731 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck__wrappee__Base with input of size 232 for LOIs [2023-04-03 00:46:21,602 INFO L197 IcfgInterpreter]: Interpreting procedure setup_bob with input of size 245 for LOIs [2023-04-03 00:50:19,162 WARN L223 SmtUtils]: Spent 3.93m on a formula simplification. DAG size of input: 19623 DAG size of output: 302 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-03 00:50:19,304 INFO L197 IcfgInterpreter]: Interpreting procedure setup_bob__wrappee__Base with input of size 239 for LOIs