/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_spec4_product19.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 00:29:15,486 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 00:29:15,488 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 00:29:15,515 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 00:29:15,515 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 00:29:15,516 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 00:29:15,522 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 00:29:15,524 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 00:29:15,525 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 00:29:15,529 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 00:29:15,531 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 00:29:15,532 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 00:29:15,532 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 00:29:15,534 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 00:29:15,535 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 00:29:15,536 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 00:29:15,537 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 00:29:15,538 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 00:29:15,539 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 00:29:15,543 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 00:29:15,544 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 00:29:15,545 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 00:29:15,545 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 00:29:15,546 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 00:29:15,553 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 00:29:15,553 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 00:29:15,553 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 00:29:15,554 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 00:29:15,554 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 00:29:15,555 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 00:29:15,555 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 00:29:15,556 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 00:29:15,557 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 00:29:15,557 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 00:29:15,558 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 00:29:15,558 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 00:29:15,558 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 00:29:15,558 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 00:29:15,558 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 00:29:15,559 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 00:29:15,559 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 00:29:15,560 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 00:29:15,585 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 00:29:15,586 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 00:29:15,586 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 00:29:15,586 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 00:29:15,587 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 00:29:15,587 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 00:29:15,587 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 00:29:15,587 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 00:29:15,587 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 00:29:15,587 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 00:29:15,588 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 00:29:15,588 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 00:29:15,588 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 00:29:15,588 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 00:29:15,588 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 00:29:15,588 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 00:29:15,588 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 00:29:15,588 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 00:29:15,589 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 00:29:15,589 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 00:29:15,589 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 00:29:15,589 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 00:29:15,589 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 00:29:15,589 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 00:29:15,589 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 00:29:15,590 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 00:29:15,590 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 00:29:15,590 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 00:29:15,590 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 00:29:15,590 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 00:29:15,590 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 00:29:15,590 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 00:29:15,591 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 00:29:15,591 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 00:29:15,591 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 00:29:15,591 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 00:29:15,591 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 00:29:15,591 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 00:29:15,591 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 00:29:15,591 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 00:29:15,591 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 00:29:15,591 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 00:29:15,805 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 00:29:15,826 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 00:29:15,828 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 00:29:15,829 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 00:29:15,829 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 00:29:15,830 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec4_product19.cil.c [2023-04-03 00:29:16,893 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 00:29:17,174 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 00:29:17,175 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec4_product19.cil.c [2023-04-03 00:29:17,210 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f098485be/efa1566aaf834aa787a3470791a783be/FLAG4289c5b7b [2023-04-03 00:29:17,236 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f098485be/efa1566aaf834aa787a3470791a783be [2023-04-03 00:29:17,238 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 00:29:17,240 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 00:29:17,241 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 00:29:17,241 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 00:29:17,243 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 00:29:17,244 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 12:29:17" (1/1) ... [2023-04-03 00:29:17,245 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@734f1eff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:29:17, skipping insertion in model container [2023-04-03 00:29:17,245 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 12:29:17" (1/1) ... [2023-04-03 00:29:17,250 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 00:29:17,301 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 00:29:17,399 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_spec4_product19.cil.c[1542,1555] [2023-04-03 00:29:17,694 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 00:29:17,708 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 00:29:17,726 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_spec4_product19.cil.c[1542,1555] [2023-04-03 00:29:17,814 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 00:29:17,843 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-04-03 00:29:17,848 INFO L208 MainTranslator]: Completed translation [2023-04-03 00:29:17,849 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:29:17 WrapperNode [2023-04-03 00:29:17,849 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 00:29:17,850 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 00:29:17,850 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 00:29:17,850 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 00:29:17,858 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:29:17" (1/1) ... [2023-04-03 00:29:17,858 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:29:17" (1/1) ... [2023-04-03 00:29:17,874 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:29:17" (1/1) ... [2023-04-03 00:29:17,874 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:29:17" (1/1) ... [2023-04-03 00:29:17,901 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:29:17" (1/1) ... [2023-04-03 00:29:17,911 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:29:17" (1/1) ... [2023-04-03 00:29:17,917 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:29:17" (1/1) ... [2023-04-03 00:29:17,921 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:29:17" (1/1) ... [2023-04-03 00:29:17,937 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 00:29:17,937 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 00:29:17,937 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 00:29:17,938 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 00:29:17,938 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:29:17" (1/1) ... [2023-04-03 00:29:17,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 00:29:17,951 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 00:29:17,990 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 00:29:17,997 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 00:29:18,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 00:29:18,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 00:29:18,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-03 00:29:18,023 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 00:29:18,023 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-03 00:29:18,023 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignForward_spec__1 [2023-04-03 00:29:18,023 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-03 00:29:18,023 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-03 00:29:18,023 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-03 00:29:18,023 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-03 00:29:18,023 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-03 00:29:18,023 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-03 00:29:18,024 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-03 00:29:18,024 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-03 00:29:18,024 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-03 00:29:18,024 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-03 00:29:18,024 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2023-04-03 00:29:18,024 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-04-03 00:29:18,024 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2023-04-03 00:29:18,024 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-04-03 00:29:18,024 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2023-04-03 00:29:18,024 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-04-03 00:29:18,024 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-04-03 00:29:18,024 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-04-03 00:29:18,024 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-03 00:29:18,025 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 00:29:18,025 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2023-04-03 00:29:18,025 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2023-04-03 00:29:18,025 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2023-04-03 00:29:18,025 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2023-04-03 00:29:18,025 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-04-03 00:29:18,025 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2023-04-03 00:29:18,025 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2023-04-03 00:29:18,025 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2023-04-03 00:29:18,025 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2023-04-03 00:29:18,025 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2023-04-03 00:29:18,025 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-03 00:29:18,025 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-04-03 00:29:18,025 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2023-04-03 00:29:18,026 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-04-03 00:29:18,026 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-04-03 00:29:18,026 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2023-04-03 00:29:18,027 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2023-04-03 00:29:18,027 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-04-03 00:29:18,027 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-04-03 00:29:18,027 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-04-03 00:29:18,027 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-04-03 00:29:18,028 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-04-03 00:29:18,028 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-04-03 00:29:18,028 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-04-03 00:29:18,028 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-04-03 00:29:18,028 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-04-03 00:29:18,028 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2023-04-03 00:29:18,028 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2023-04-03 00:29:18,029 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2023-04-03 00:29:18,029 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-04-03 00:29:18,029 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2023-04-03 00:29:18,029 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2023-04-03 00:29:18,030 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-04-03 00:29:18,030 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-04-03 00:29:18,030 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-04-03 00:29:18,030 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-04-03 00:29:18,030 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-04-03 00:29:18,030 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-04-03 00:29:18,031 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-04-03 00:29:18,031 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-04-03 00:29:18,031 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-04-03 00:29:18,031 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-04-03 00:29:18,031 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-04-03 00:29:18,031 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-04-03 00:29:18,031 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-04-03 00:29:18,031 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-04-03 00:29:18,031 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-04-03 00:29:18,031 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-04-03 00:29:18,032 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-04-03 00:29:18,032 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-04-03 00:29:18,032 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-04-03 00:29:18,032 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-04-03 00:29:18,032 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-04-03 00:29:18,032 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-04-03 00:29:18,032 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-04-03 00:29:18,032 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-04-03 00:29:18,033 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-04-03 00:29:18,033 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-04-03 00:29:18,033 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-04-03 00:29:18,033 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-04-03 00:29:18,034 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-04-03 00:29:18,034 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-04-03 00:29:18,034 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-04-03 00:29:18,034 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-04-03 00:29:18,034 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-04-03 00:29:18,034 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-04-03 00:29:18,034 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-04-03 00:29:18,034 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-04-03 00:29:18,034 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-04-03 00:29:18,034 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-04-03 00:29:18,035 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-04-03 00:29:18,035 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-04-03 00:29:18,035 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-04-03 00:29:18,035 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-04-03 00:29:18,035 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-04-03 00:29:18,035 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-04-03 00:29:18,035 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-04-03 00:29:18,035 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-04-03 00:29:18,035 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-04-03 00:29:18,035 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-04-03 00:29:18,035 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-04-03 00:29:18,036 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-04-03 00:29:18,036 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-04-03 00:29:18,036 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-04-03 00:29:18,036 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-04-03 00:29:18,036 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-04-03 00:29:18,036 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 00:29:18,036 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 00:29:18,036 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 00:29:18,036 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 00:29:18,037 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 00:29:18,037 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-03 00:29:18,037 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-04-03 00:29:18,037 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-04-03 00:29:18,038 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-04-03 00:29:18,040 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignForward_spec__1 [2023-04-03 00:29:18,040 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-03 00:29:18,044 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-03 00:29:18,044 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-03 00:29:18,044 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-03 00:29:18,044 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 00:29:18,044 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 00:29:18,045 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-03 00:29:18,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 00:29:18,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 00:29:18,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 00:29:18,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 00:29:18,045 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-03 00:29:18,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 00:29:18,045 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-03 00:29:18,046 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-03 00:29:18,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 00:29:18,046 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-03 00:29:18,046 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-03 00:29:18,046 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-03 00:29:18,046 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-03 00:29:18,046 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-04-03 00:29:18,046 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-04-03 00:29:18,046 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-04-03 00:29:18,046 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-04-03 00:29:18,046 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-04-03 00:29:18,046 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-04-03 00:29:18,046 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-04-03 00:29:18,046 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-04-03 00:29:18,046 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-04-03 00:29:18,047 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-04-03 00:29:18,047 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-04-03 00:29:18,047 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-04-03 00:29:18,047 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-04-03 00:29:18,047 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-04-03 00:29:18,047 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-04-03 00:29:18,047 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-04-03 00:29:18,047 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-04-03 00:29:18,047 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-04-03 00:29:18,047 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-04-03 00:29:18,047 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-03 00:29:18,047 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-03 00:29:18,047 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 00:29:18,047 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2023-04-03 00:29:18,047 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2023-04-03 00:29:18,048 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2023-04-03 00:29:18,048 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2023-04-03 00:29:18,048 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-04-03 00:29:18,048 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2023-04-03 00:29:18,048 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2023-04-03 00:29:18,048 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2023-04-03 00:29:18,048 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2023-04-03 00:29:18,048 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2023-04-03 00:29:18,048 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2023-04-03 00:29:18,048 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2023-04-03 00:29:18,049 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2023-04-03 00:29:18,049 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-04-03 00:29:18,049 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-04-03 00:29:18,049 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-04-03 00:29:18,049 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-04-03 00:29:18,049 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-04-03 00:29:18,049 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-04-03 00:29:18,049 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-04-03 00:29:18,049 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-04-03 00:29:18,050 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-04-03 00:29:18,050 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-04-03 00:29:18,052 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-04-03 00:29:18,052 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-04-03 00:29:18,052 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-04-03 00:29:18,052 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-04-03 00:29:18,052 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-04-03 00:29:18,052 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-04-03 00:29:18,052 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-04-03 00:29:18,052 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-04-03 00:29:18,052 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-04-03 00:29:18,052 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-04-03 00:29:18,053 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-04-03 00:29:18,053 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2023-04-03 00:29:18,053 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2023-04-03 00:29:18,053 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2023-04-03 00:29:18,053 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2023-04-03 00:29:18,053 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2023-04-03 00:29:18,053 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2023-04-03 00:29:18,053 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-04-03 00:29:18,053 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-04-03 00:29:18,053 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-04-03 00:29:18,053 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-04-03 00:29:18,053 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2023-04-03 00:29:18,053 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2023-04-03 00:29:18,053 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-04-03 00:29:18,053 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-04-03 00:29:18,053 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-04-03 00:29:18,053 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-04-03 00:29:18,054 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-04-03 00:29:18,054 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-04-03 00:29:18,054 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-04-03 00:29:18,054 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-04-03 00:29:18,054 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-04-03 00:29:18,054 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-04-03 00:29:18,054 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-04-03 00:29:18,054 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-04-03 00:29:18,054 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-04-03 00:29:18,054 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-04-03 00:29:18,054 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-04-03 00:29:18,054 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-04-03 00:29:18,054 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-04-03 00:29:18,054 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-04-03 00:29:18,054 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-04-03 00:29:18,054 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-04-03 00:29:18,055 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-04-03 00:29:18,055 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-04-03 00:29:18,055 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-04-03 00:29:18,055 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-04-03 00:29:18,055 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-04-03 00:29:18,055 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-04-03 00:29:18,088 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 00:29:18,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 00:29:18,088 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 00:29:18,419 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 00:29:18,422 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 00:29:19,310 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 00:29:19,857 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 00:29:19,857 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-04-03 00:29:19,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 12:29:19 BoogieIcfgContainer [2023-04-03 00:29:19,862 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 00:29:19,864 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 00:29:19,864 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 00:29:19,869 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 00:29:19,869 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 12:29:17" (1/3) ... [2023-04-03 00:29:19,870 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a993242 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 12:29:19, skipping insertion in model container [2023-04-03 00:29:19,870 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:29:17" (2/3) ... [2023-04-03 00:29:19,870 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a993242 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 12:29:19, skipping insertion in model container [2023-04-03 00:29:19,871 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 12:29:19" (3/3) ... [2023-04-03 00:29:19,871 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec4_product19.cil.c [2023-04-03 00:29:19,884 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 00:29:19,884 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-03 00:29:19,937 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 00:29:19,942 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;@69ec855, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 00:29:19,942 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-03 00:29:19,948 INFO L276 IsEmpty]: Start isEmpty. Operand has 359 states, 181 states have (on average 1.1988950276243093) internal successors, (217), 188 states have internal predecessors, (217), 102 states have call successors, (102), 71 states have call predecessors, (102), 71 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) [2023-04-03 00:29:19,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-04-03 00:29:19,971 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:29:19,972 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] [2023-04-03 00:29:19,972 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:29:19,978 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:29:19,978 INFO L85 PathProgramCache]: Analyzing trace with hash 957795415, now seen corresponding path program 1 times [2023-04-03 00:29:19,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:29:19,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851145303] [2023-04-03 00:29:19,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:29:19,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:29:20,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:29:20,456 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-04-03 00:29:20,457 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:29:20,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851145303] [2023-04-03 00:29:20,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851145303] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:29:20,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:29:20,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-03 00:29:20,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873852676] [2023-04-03 00:29:20,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:29:20,463 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-03 00:29:20,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:29:20,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-03 00:29:20,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-03 00:29:20,502 INFO L87 Difference]: Start difference. First operand has 359 states, 181 states have (on average 1.1988950276243093) internal successors, (217), 188 states have internal predecessors, (217), 102 states have call successors, (102), 71 states have call predecessors, (102), 71 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) Second operand has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-04-03 00:29:20,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:29:20,629 INFO L93 Difference]: Finished difference Result 526 states and 613 transitions. [2023-04-03 00:29:20,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-03 00:29:20,631 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 118 [2023-04-03 00:29:20,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:29:20,648 INFO L225 Difference]: With dead ends: 526 [2023-04-03 00:29:20,648 INFO L226 Difference]: Without dead ends: 338 [2023-04-03 00:29:20,652 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 00:29:20,656 INFO L413 NwaCegarLoop]: 364 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 00:29:20,657 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 364 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 00:29:20,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2023-04-03 00:29:20,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 338. [2023-04-03 00:29:20,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 338 states, 172 states have (on average 1.186046511627907) internal successors, (204), 176 states have internal predecessors, (204), 98 states have call successors, (98), 71 states have call predecessors, (98), 67 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2023-04-03 00:29:20,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 395 transitions. [2023-04-03 00:29:20,701 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 395 transitions. Word has length 118 [2023-04-03 00:29:20,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:29:20,702 INFO L495 AbstractCegarLoop]: Abstraction has 338 states and 395 transitions. [2023-04-03 00:29:20,702 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-04-03 00:29:20,702 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 395 transitions. [2023-04-03 00:29:20,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-04-03 00:29:20,704 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:29:20,705 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] [2023-04-03 00:29:20,705 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 00:29:20,705 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:29:20,705 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:29:20,705 INFO L85 PathProgramCache]: Analyzing trace with hash -497679740, now seen corresponding path program 1 times [2023-04-03 00:29:20,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:29:20,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332731189] [2023-04-03 00:29:20,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:29:20,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:29:20,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:29:20,876 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-04-03 00:29:20,877 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:29:20,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332731189] [2023-04-03 00:29:20,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1332731189] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:29:20,877 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:29:20,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 00:29:20,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210899998] [2023-04-03 00:29:20,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:29:20,879 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 00:29:20,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:29:20,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 00:29:20,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 00:29:20,880 INFO L87 Difference]: Start difference. First operand 338 states and 395 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-04-03 00:29:20,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:29:20,949 INFO L93 Difference]: Finished difference Result 511 states and 585 transitions. [2023-04-03 00:29:20,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 00:29:20,950 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 119 [2023-04-03 00:29:20,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:29:20,951 INFO L225 Difference]: With dead ends: 511 [2023-04-03 00:29:20,952 INFO L226 Difference]: Without dead ends: 340 [2023-04-03 00:29:20,952 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 00:29:20,953 INFO L413 NwaCegarLoop]: 355 mSDtfsCounter, 0 mSDsluCounter, 353 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 708 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 00:29:20,954 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 708 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 00:29:20,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2023-04-03 00:29:20,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 340. [2023-04-03 00:29:20,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 340 states, 174 states have (on average 1.1839080459770115) internal successors, (206), 178 states have internal predecessors, (206), 98 states have call successors, (98), 71 states have call predecessors, (98), 67 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2023-04-03 00:29:20,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 397 transitions. [2023-04-03 00:29:20,971 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 397 transitions. Word has length 119 [2023-04-03 00:29:20,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:29:20,971 INFO L495 AbstractCegarLoop]: Abstraction has 340 states and 397 transitions. [2023-04-03 00:29:20,972 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-04-03 00:29:20,972 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 397 transitions. [2023-04-03 00:29:20,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-04-03 00:29:20,973 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:29:20,973 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] [2023-04-03 00:29:20,974 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 00:29:20,974 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:29:20,974 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:29:20,974 INFO L85 PathProgramCache]: Analyzing trace with hash -1263878939, now seen corresponding path program 1 times [2023-04-03 00:29:20,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:29:20,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988635193] [2023-04-03 00:29:20,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:29:20,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:29:21,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:29:21,079 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-04-03 00:29:21,079 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:29:21,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988635193] [2023-04-03 00:29:21,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1988635193] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:29:21,080 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:29:21,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 00:29:21,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921206090] [2023-04-03 00:29:21,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:29:21,080 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 00:29:21,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:29:21,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 00:29:21,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 00:29:21,081 INFO L87 Difference]: Start difference. First operand 340 states and 397 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-04-03 00:29:21,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:29:21,171 INFO L93 Difference]: Finished difference Result 662 states and 801 transitions. [2023-04-03 00:29:21,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 00:29:21,172 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 124 [2023-04-03 00:29:21,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:29:21,174 INFO L225 Difference]: With dead ends: 662 [2023-04-03 00:29:21,174 INFO L226 Difference]: Without dead ends: 380 [2023-04-03 00:29:21,175 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 00:29:21,176 INFO L413 NwaCegarLoop]: 362 mSDtfsCounter, 52 mSDsluCounter, 348 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 710 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 00:29:21,177 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 710 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 00:29:21,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2023-04-03 00:29:21,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 379. [2023-04-03 00:29:21,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 379 states, 205 states have (on average 1.2585365853658537) internal successors, (258), 209 states have internal predecessors, (258), 106 states have call successors, (106), 71 states have call predecessors, (106), 67 states have return successors, (101), 101 states have call predecessors, (101), 101 states have call successors, (101) [2023-04-03 00:29:21,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 465 transitions. [2023-04-03 00:29:21,201 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 465 transitions. Word has length 124 [2023-04-03 00:29:21,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:29:21,201 INFO L495 AbstractCegarLoop]: Abstraction has 379 states and 465 transitions. [2023-04-03 00:29:21,201 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-04-03 00:29:21,201 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 465 transitions. [2023-04-03 00:29:21,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-04-03 00:29:21,203 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:29:21,203 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] [2023-04-03 00:29:21,203 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-03 00:29:21,203 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:29:21,203 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:29:21,204 INFO L85 PathProgramCache]: Analyzing trace with hash -1364345457, now seen corresponding path program 1 times [2023-04-03 00:29:21,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:29:21,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249944180] [2023-04-03 00:29:21,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:29:21,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:29:21,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:29:21,471 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-04-03 00:29:21,471 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:29:21,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249944180] [2023-04-03 00:29:21,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [249944180] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 00:29:21,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [950532032] [2023-04-03 00:29:21,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:29:21,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 00:29:21,472 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 00:29:21,475 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 00:29:21,476 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 00:29:21,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:29:21,902 INFO L262 TraceCheckSpWp]: Trace formula consists of 2001 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-03 00:29:21,911 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 00:29:21,950 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-04-03 00:29:21,950 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 00:29:22,076 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-04-03 00:29:22,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [950532032] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-03 00:29:22,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [175569105] [2023-04-03 00:29:22,093 INFO L159 IcfgInterpreter]: Started Sifa with 112 locations of interest [2023-04-03 00:29:22,093 INFO L166 IcfgInterpreter]: Building call graph [2023-04-03 00:29:22,096 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-03 00:29:22,100 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-03 00:29:22,100 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-03 00:29:25,827 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 337 for LOIs [2023-04-03 00:29:26,369 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 309 for LOIs [2023-04-03 00:29:31,377 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 247 for LOIs [2023-04-03 00:29:33,763 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh with input of size 238 for LOIs [2023-04-03 00:29:35,177 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh__wrappee__Base with input of size 229 for LOIs [2023-04-03 00:29:35,914 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck with input of size 239 for LOIs [2023-04-03 00:29:37,441 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck__wrappee__Base with input of size 230 for LOIs [2023-04-03 00:29:38,447 INFO L197 IcfgInterpreter]: Interpreting procedure setup_bob with input of size 243 for LOIs [2023-04-03 00:33:19,917 WARN L223 SmtUtils]: Spent 3.66m 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 00:33:20,094 INFO L197 IcfgInterpreter]: Interpreting procedure setup_bob__wrappee__Base with input of size 237 for LOIs