/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_spec27_product19.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 05:43:58,911 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 05:43:58,913 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 05:43:58,937 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 05:43:58,937 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 05:43:58,938 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 05:43:58,939 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 05:43:58,940 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 05:43:58,941 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 05:43:58,942 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 05:43:58,943 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 05:43:58,944 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 05:43:58,944 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 05:43:58,944 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 05:43:58,945 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 05:43:58,946 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 05:43:58,946 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 05:43:58,947 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 05:43:58,948 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 05:43:58,949 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 05:43:58,950 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 05:43:58,953 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 05:43:58,954 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 05:43:58,954 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 05:43:58,956 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-01 05:43:58,957 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-01 05:43:58,957 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-01 05:43:58,957 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-01 05:43:58,958 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-01 05:43:58,958 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-01 05:43:58,959 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 05:43:58,959 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 05:43:58,959 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 05:43:58,960 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 05:43:58,961 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 05:43:58,961 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 05:43:58,961 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 05:43:58,962 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 05:43:58,962 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 05:43:58,963 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 05:43:58,963 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 05:43:58,973 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-04-01 05:43:58,988 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 05:43:58,988 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 05:43:58,988 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 05:43:58,988 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 05:43:58,989 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 05:43:58,989 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 05:43:58,989 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-01 05:43:58,989 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-01 05:43:58,989 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-01 05:43:58,989 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-01 05:43:58,990 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-01 05:43:58,990 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-01 05:43:58,990 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-01 05:43:58,990 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-01 05:43:58,990 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-01 05:43:58,990 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-01 05:43:58,990 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-01 05:43:58,990 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-01 05:43:58,991 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 05:43:58,991 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 05:43:58,991 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 05:43:58,991 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 05:43:58,991 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 05:43:58,991 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 05:43:58,992 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 05:43:58,992 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 05:43:58,992 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 05:43:58,992 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 05:43:58,992 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 05:43:58,992 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 05:43:58,992 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 05:43:58,992 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 05:43:58,993 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 05:43:58,993 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 05:43:58,993 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-01 05:43:58,993 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 05:43:58,993 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 05:43:58,993 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-01 05:43:58,993 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 05:43:58,993 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 05:43:58,994 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-01 05:43:58,994 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-01 05:43:59,214 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 05:43:59,235 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 05:43:59,237 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 05:43:59,238 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 05:43:59,238 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 05:43:59,239 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec27_product19.cil.c [2023-04-01 05:44:00,314 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 05:44:00,553 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 05:44:00,553 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec27_product19.cil.c [2023-04-01 05:44:00,578 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd807e13c/62303b5f1b34478e84ee46e2545141d0/FLAG9b77c72a4 [2023-04-01 05:44:00,591 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd807e13c/62303b5f1b34478e84ee46e2545141d0 [2023-04-01 05:44:00,593 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 05:44:00,594 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 05:44:00,595 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 05:44:00,595 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 05:44:00,600 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 05:44:00,600 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 05:44:00" (1/1) ... [2023-04-01 05:44:00,601 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@269185e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:44:00, skipping insertion in model container [2023-04-01 05:44:00,601 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 05:44:00" (1/1) ... [2023-04-01 05:44:00,608 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 05:44:00,660 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 05:44:00,918 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_spec27_product19.cil.c[17762,17775] [2023-04-01 05:44:01,010 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 05:44:01,021 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 05:44:01,051 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_spec27_product19.cil.c[17762,17775] [2023-04-01 05:44:01,130 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 05:44:01,152 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-04-01 05:44:01,157 INFO L208 MainTranslator]: Completed translation [2023-04-01 05:44:01,158 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:44:01 WrapperNode [2023-04-01 05:44:01,158 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 05:44:01,159 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 05:44:01,159 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 05:44:01,159 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 05:44:01,167 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:44:01" (1/1) ... [2023-04-01 05:44:01,167 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:44:01" (1/1) ... [2023-04-01 05:44:01,188 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:44:01" (1/1) ... [2023-04-01 05:44:01,188 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:44:01" (1/1) ... [2023-04-01 05:44:01,252 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:44:01" (1/1) ... [2023-04-01 05:44:01,276 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:44:01" (1/1) ... [2023-04-01 05:44:01,283 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:44:01" (1/1) ... [2023-04-01 05:44:01,289 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:44:01" (1/1) ... [2023-04-01 05:44:01,300 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 05:44:01,308 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 05:44:01,309 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 05:44:01,309 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 05:44:01,310 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:44:01" (1/1) ... [2023-04-01 05:44:01,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 05:44:01,323 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 05:44:01,340 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-01 05:44:01,357 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-01 05:44:01,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 05:44:01,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 05:44:01,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-01 05:44:01,388 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 05:44:01,388 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-01 05:44:01,389 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-01 05:44:01,389 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-01 05:44:01,389 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-01 05:44:01,389 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-01 05:44:01,389 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-01 05:44:01,389 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__VerifyForward_spec__1 [2023-04-01 05:44:01,389 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-01 05:44:01,389 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-01 05:44:01,389 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-01 05:44:01,389 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-01 05:44:01,390 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2023-04-01 05:44:01,390 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-04-01 05:44:01,390 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2023-04-01 05:44:01,390 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-04-01 05:44:01,390 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2023-04-01 05:44:01,390 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-04-01 05:44:01,391 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-04-01 05:44:01,391 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-04-01 05:44:01,391 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-01 05:44:01,391 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 05:44:01,391 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2023-04-01 05:44:01,391 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2023-04-01 05:44:01,391 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2023-04-01 05:44:01,391 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2023-04-01 05:44:01,391 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-04-01 05:44:01,392 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2023-04-01 05:44:01,392 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2023-04-01 05:44:01,392 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2023-04-01 05:44:01,392 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2023-04-01 05:44:01,392 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2023-04-01 05:44:01,392 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-01 05:44:01,392 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-01 05:44:01,392 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2023-04-01 05:44:01,392 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2023-04-01 05:44:01,392 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-04-01 05:44:01,392 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-04-01 05:44:01,393 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-04-01 05:44:01,393 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-04-01 05:44:01,393 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-04-01 05:44:01,394 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-04-01 05:44:01,394 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-04-01 05:44:01,394 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-04-01 05:44:01,394 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-04-01 05:44:01,394 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-04-01 05:44:01,394 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-04-01 05:44:01,394 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-04-01 05:44:01,395 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-04-01 05:44:01,395 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-04-01 05:44:01,395 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-04-01 05:44:01,395 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-04-01 05:44:01,395 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-04-01 05:44:01,395 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-04-01 05:44:01,395 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-04-01 05:44:01,396 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-04-01 05:44:01,396 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-04-01 05:44:01,396 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-04-01 05:44:01,397 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-04-01 05:44:01,397 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-04-01 05:44:01,397 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-04-01 05:44:01,397 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-04-01 05:44:01,397 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-04-01 05:44:01,397 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-04-01 05:44:01,397 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-04-01 05:44:01,397 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-04-01 05:44:01,397 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-04-01 05:44:01,397 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-04-01 05:44:01,397 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-04-01 05:44:01,397 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-04-01 05:44:01,397 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-04-01 05:44:01,397 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-04-01 05:44:01,398 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-04-01 05:44:01,398 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-04-01 05:44:01,398 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-04-01 05:44:01,398 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-04-01 05:44:01,398 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-04-01 05:44:01,398 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-04-01 05:44:01,398 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-04-01 05:44:01,398 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-04-01 05:44:01,399 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-04-01 05:44:01,399 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-04-01 05:44:01,399 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-04-01 05:44:01,399 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-04-01 05:44:01,399 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-04-01 05:44:01,399 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-04-01 05:44:01,399 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-04-01 05:44:01,400 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-04-01 05:44:01,400 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-04-01 05:44:01,400 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-04-01 05:44:01,400 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-04-01 05:44:01,400 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-04-01 05:44:01,400 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2023-04-01 05:44:01,400 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-04-01 05:44:01,400 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-04-01 05:44:01,400 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2023-04-01 05:44:01,400 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2023-04-01 05:44:01,400 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-04-01 05:44:01,400 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-04-01 05:44:01,400 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-04-01 05:44:01,401 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-04-01 05:44:01,401 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-04-01 05:44:01,401 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-04-01 05:44:01,401 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-04-01 05:44:01,401 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-04-01 05:44:01,401 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-04-01 05:44:01,401 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2023-04-01 05:44:01,401 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2023-04-01 05:44:01,401 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2023-04-01 05:44:01,402 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 05:44:01,402 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 05:44:01,402 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 05:44:01,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 05:44:01,403 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 05:44:01,403 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-01 05:44:01,403 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-01 05:44:01,404 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-01 05:44:01,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-01 05:44:01,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-01 05:44:01,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 05:44:01,410 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-01 05:44:01,410 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-01 05:44:01,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 05:44:01,410 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-01 05:44:01,410 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-01 05:44:01,410 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 05:44:01,410 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-01 05:44:01,410 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-01 05:44:01,411 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-01 05:44:01,411 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-01 05:44:01,411 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-04-01 05:44:01,411 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-04-01 05:44:01,411 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-04-01 05:44:01,411 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-04-01 05:44:01,411 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__VerifyForward_spec__1 [2023-04-01 05:44:01,411 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-01 05:44:01,411 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-01 05:44:01,411 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-01 05:44:01,411 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-01 05:44:01,412 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-01 05:44:01,412 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-04-01 05:44:01,412 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-04-01 05:44:01,412 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-04-01 05:44:01,412 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-04-01 05:44:01,412 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-04-01 05:44:01,412 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-04-01 05:44:01,412 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-04-01 05:44:01,412 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-04-01 05:44:01,412 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-04-01 05:44:01,412 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-04-01 05:44:01,413 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-04-01 05:44:01,413 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-04-01 05:44:01,413 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-04-01 05:44:01,413 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-04-01 05:44:01,413 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-04-01 05:44:01,413 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-04-01 05:44:01,413 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-04-01 05:44:01,413 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-04-01 05:44:01,413 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-04-01 05:44:01,413 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-01 05:44:01,413 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-01 05:44:01,413 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 05:44:01,413 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2023-04-01 05:44:01,413 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2023-04-01 05:44:01,414 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2023-04-01 05:44:01,414 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2023-04-01 05:44:01,414 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-04-01 05:44:01,414 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2023-04-01 05:44:01,414 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2023-04-01 05:44:01,414 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2023-04-01 05:44:01,415 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2023-04-01 05:44:01,415 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2023-04-01 05:44:01,415 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2023-04-01 05:44:01,415 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2023-04-01 05:44:01,415 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2023-04-01 05:44:01,415 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-04-01 05:44:01,415 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-04-01 05:44:01,415 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-04-01 05:44:01,415 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-04-01 05:44:01,415 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-04-01 05:44:01,415 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-04-01 05:44:01,415 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-04-01 05:44:01,416 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-04-01 05:44:01,416 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-04-01 05:44:01,417 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-04-01 05:44:01,417 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2023-04-01 05:44:01,417 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2023-04-01 05:44:01,417 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-04-01 05:44:01,417 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-04-01 05:44:01,417 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-04-01 05:44:01,417 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-04-01 05:44:01,417 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-04-01 05:44:01,418 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-04-01 05:44:01,418 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-04-01 05:44:01,418 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-04-01 05:44:01,418 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-04-01 05:44:01,418 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-04-01 05:44:01,418 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-04-01 05:44:01,418 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-04-01 05:44:01,418 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-04-01 05:44:01,418 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-04-01 05:44:01,418 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-04-01 05:44:01,418 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-04-01 05:44:01,418 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-04-01 05:44:01,418 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-04-01 05:44:01,418 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-04-01 05:44:01,418 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-04-01 05:44:01,418 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-04-01 05:44:01,419 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-04-01 05:44:01,419 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-04-01 05:44:01,419 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-04-01 05:44:01,419 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-04-01 05:44:01,419 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-04-01 05:44:01,419 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-04-01 05:44:01,419 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-04-01 05:44:01,419 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-04-01 05:44:01,419 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-04-01 05:44:01,419 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-04-01 05:44:01,419 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-04-01 05:44:01,419 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-04-01 05:44:01,420 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-04-01 05:44:01,420 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-04-01 05:44:01,420 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-04-01 05:44:01,420 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-04-01 05:44:01,420 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-04-01 05:44:01,420 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-04-01 05:44:01,420 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-04-01 05:44:01,420 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2023-04-01 05:44:01,420 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2023-04-01 05:44:01,420 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2023-04-01 05:44:01,420 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2023-04-01 05:44:01,420 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2023-04-01 05:44:01,420 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2023-04-01 05:44:01,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 05:44:01,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 05:44:01,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 05:44:01,750 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 05:44:01,755 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 05:44:02,798 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 05:44:03,348 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 05:44:03,348 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-04-01 05:44:03,353 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 05:44:03 BoogieIcfgContainer [2023-04-01 05:44:03,353 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 05:44:03,357 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 05:44:03,358 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 05:44:03,363 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 05:44:03,363 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 05:44:00" (1/3) ... [2023-04-01 05:44:03,364 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c46bb95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 05:44:03, skipping insertion in model container [2023-04-01 05:44:03,364 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:44:01" (2/3) ... [2023-04-01 05:44:03,365 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c46bb95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 05:44:03, skipping insertion in model container [2023-04-01 05:44:03,365 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 05:44:03" (3/3) ... [2023-04-01 05:44:03,366 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec27_product19.cil.c [2023-04-01 05:44:03,380 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 05:44:03,381 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 05:44:03,438 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 05:44:03,445 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;@21c7f106, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-01 05:44:03,446 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 05:44:03,452 INFO L276 IsEmpty]: Start isEmpty. Operand has 361 states, 182 states have (on average 1.1978021978021978) internal successors, (218), 189 states have internal predecessors, (218), 103 states have call successors, (103), 71 states have call predecessors, (103), 71 states have return successors, (103), 103 states have call predecessors, (103), 103 states have call successors, (103) [2023-04-01 05:44:03,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-04-01 05:44:03,474 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:44:03,475 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 05:44:03,475 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:44:03,481 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:44:03,481 INFO L85 PathProgramCache]: Analyzing trace with hash 675887395, now seen corresponding path program 1 times [2023-04-01 05:44:03,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:44:03,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492173464] [2023-04-01 05:44:03,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:44:03,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:44:03,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:44:03,856 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-01 05:44:03,856 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:44:03,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492173464] [2023-04-01 05:44:03,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [492173464] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:44:03,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:44:03,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-01 05:44:03,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395343037] [2023-04-01 05:44:03,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:44:03,863 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-01 05:44:03,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:44:03,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-01 05:44:03,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-01 05:44:03,898 INFO L87 Difference]: Start difference. First operand has 361 states, 182 states have (on average 1.1978021978021978) internal successors, (218), 189 states have internal predecessors, (218), 103 states have call successors, (103), 71 states have call predecessors, (103), 71 states have return successors, (103), 103 states have call predecessors, (103), 103 states have call successors, (103) Second operand has 2 states, 2 states have (on average 32.5) internal successors, (65), 2 states have internal predecessors, (65), 2 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-04-01 05:44:04,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:44:04,024 INFO L93 Difference]: Finished difference Result 530 states and 623 transitions. [2023-04-01 05:44:04,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-01 05:44:04,026 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 32.5) internal successors, (65), 2 states have internal predecessors, (65), 2 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 143 [2023-04-01 05:44:04,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:44:04,038 INFO L225 Difference]: With dead ends: 530 [2023-04-01 05:44:04,039 INFO L226 Difference]: Without dead ends: 340 [2023-04-01 05:44:04,043 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-01 05:44:04,050 INFO L413 NwaCegarLoop]: 367 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, 367 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 [2023-04-01 05:44:04,051 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 367 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 05:44:04,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2023-04-01 05:44:04,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 340. [2023-04-01 05:44:04,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 340 states, 173 states have (on average 1.1849710982658959) internal successors, (205), 177 states have internal predecessors, (205), 99 states have call successors, (99), 71 states have call predecessors, (99), 67 states have return successors, (94), 94 states have call predecessors, (94), 94 states have call successors, (94) [2023-04-01 05:44:04,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 398 transitions. [2023-04-01 05:44:04,104 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 398 transitions. Word has length 143 [2023-04-01 05:44:04,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:44:04,105 INFO L495 AbstractCegarLoop]: Abstraction has 340 states and 398 transitions. [2023-04-01 05:44:04,105 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 32.5) internal successors, (65), 2 states have internal predecessors, (65), 2 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-04-01 05:44:04,105 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 398 transitions. [2023-04-01 05:44:04,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-04-01 05:44:04,108 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:44:04,108 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 05:44:04,109 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-01 05:44:04,109 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:44:04,109 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:44:04,109 INFO L85 PathProgramCache]: Analyzing trace with hash 1010243510, now seen corresponding path program 1 times [2023-04-01 05:44:04,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:44:04,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045333756] [2023-04-01 05:44:04,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:44:04,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:44:04,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:44:04,418 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-01 05:44:04,419 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:44:04,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045333756] [2023-04-01 05:44:04,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2045333756] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:44:04,419 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:44:04,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 05:44:04,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173806481] [2023-04-01 05:44:04,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:44:04,422 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 05:44:04,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:44:04,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 05:44:04,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 05:44:04,423 INFO L87 Difference]: Start difference. First operand 340 states and 398 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-04-01 05:44:04,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:44:04,532 INFO L93 Difference]: Finished difference Result 515 states and 591 transitions. [2023-04-01 05:44:04,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 05:44:04,533 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 144 [2023-04-01 05:44:04,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:44:04,538 INFO L225 Difference]: With dead ends: 515 [2023-04-01 05:44:04,538 INFO L226 Difference]: Without dead ends: 342 [2023-04-01 05:44:04,543 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 05:44:04,545 INFO L413 NwaCegarLoop]: 358 mSDtfsCounter, 0 mSDsluCounter, 356 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 714 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 [2023-04-01 05:44:04,545 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 714 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 05:44:04,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2023-04-01 05:44:04,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 342. [2023-04-01 05:44:04,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342 states, 175 states have (on average 1.1828571428571428) internal successors, (207), 179 states have internal predecessors, (207), 99 states have call successors, (99), 71 states have call predecessors, (99), 67 states have return successors, (94), 94 states have call predecessors, (94), 94 states have call successors, (94) [2023-04-01 05:44:04,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 400 transitions. [2023-04-01 05:44:04,578 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 400 transitions. Word has length 144 [2023-04-01 05:44:04,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:44:04,579 INFO L495 AbstractCegarLoop]: Abstraction has 342 states and 400 transitions. [2023-04-01 05:44:04,579 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-04-01 05:44:04,580 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 400 transitions. [2023-04-01 05:44:04,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-04-01 05:44:04,583 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:44:04,583 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 05:44:04,584 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-01 05:44:04,584 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:44:04,584 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:44:04,585 INFO L85 PathProgramCache]: Analyzing trace with hash 129118942, now seen corresponding path program 1 times [2023-04-01 05:44:04,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:44:04,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310650620] [2023-04-01 05:44:04,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:44:04,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:44:04,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:44:04,741 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-01 05:44:04,741 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:44:04,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310650620] [2023-04-01 05:44:04,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [310650620] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:44:04,742 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:44:04,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 05:44:04,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454524732] [2023-04-01 05:44:04,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:44:04,743 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 05:44:04,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:44:04,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 05:44:04,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 05:44:04,745 INFO L87 Difference]: Start difference. First operand 342 states and 400 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-04-01 05:44:04,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:44:04,835 INFO L93 Difference]: Finished difference Result 666 states and 807 transitions. [2023-04-01 05:44:04,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 05:44:04,835 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 149 [2023-04-01 05:44:04,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:44:04,838 INFO L225 Difference]: With dead ends: 666 [2023-04-01 05:44:04,838 INFO L226 Difference]: Without dead ends: 382 [2023-04-01 05:44:04,840 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 05:44:04,844 INFO L413 NwaCegarLoop]: 369 mSDtfsCounter, 52 mSDsluCounter, 351 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 720 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 [2023-04-01 05:44:04,845 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 720 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 05:44:04,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2023-04-01 05:44:04,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 381. [2023-04-01 05:44:04,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 381 states, 206 states have (on average 1.2572815533980584) internal successors, (259), 210 states have internal predecessors, (259), 107 states have call successors, (107), 71 states have call predecessors, (107), 67 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) [2023-04-01 05:44:04,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 468 transitions. [2023-04-01 05:44:04,872 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 468 transitions. Word has length 149 [2023-04-01 05:44:04,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:44:04,873 INFO L495 AbstractCegarLoop]: Abstraction has 381 states and 468 transitions. [2023-04-01 05:44:04,873 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-04-01 05:44:04,873 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 468 transitions. [2023-04-01 05:44:04,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-04-01 05:44:04,875 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:44:04,875 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 05:44:04,875 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-01 05:44:04,875 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:44:04,875 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:44:04,875 INFO L85 PathProgramCache]: Analyzing trace with hash 1915995491, now seen corresponding path program 1 times [2023-04-01 05:44:04,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:44:04,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650938698] [2023-04-01 05:44:04,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:44:04,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:44:04,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:44:05,064 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-01 05:44:05,064 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:44:05,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650938698] [2023-04-01 05:44:05,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1650938698] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 05:44:05,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [843242917] [2023-04-01 05:44:05,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:44:05,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 05:44:05,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 05:44:05,073 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 05:44:05,093 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-01 05:44:05,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:44:05,553 INFO L262 TraceCheckSpWp]: Trace formula consists of 2155 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-01 05:44:05,563 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 05:44:05,608 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-01 05:44:05,609 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 05:44:05,791 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-01 05:44:05,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [843242917] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 05:44:05,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1544152181] [2023-04-01 05:44:05,817 INFO L159 IcfgInterpreter]: Started Sifa with 139 locations of interest [2023-04-01 05:44:05,817 INFO L166 IcfgInterpreter]: Building call graph [2023-04-01 05:44:05,820 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-01 05:44:05,824 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-01 05:44:05,824 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-01 05:44:09,680 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 337 for LOIs [2023-04-01 05:44:10,456 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 309 for LOIs [2023-04-01 05:44:15,868 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 247 for LOIs [2023-04-01 05:44:18,387 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh with input of size 238 for LOIs [2023-04-01 05:44:19,832 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh__wrappee__Base with input of size 229 for LOIs [2023-04-01 05:44:20,594 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck with input of size 239 for LOIs [2023-04-01 05:44:22,070 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck__wrappee__Base with input of size 230 for LOIs [2023-04-01 05:44:22,943 INFO L197 IcfgInterpreter]: Interpreting procedure setup_bob with input of size 243 for LOIs