/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_spec9_product16.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 05:52:59,954 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 05:52:59,960 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 05:53:00,002 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 05:53:00,002 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 05:53:00,005 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 05:53:00,010 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 05:53:00,013 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 05:53:00,014 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 05:53:00,019 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 05:53:00,020 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 05:53:00,022 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 05:53:00,022 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 05:53:00,025 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 05:53:00,026 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 05:53:00,029 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 05:53:00,030 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 05:53:00,031 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 05:53:00,032 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 05:53:00,033 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 05:53:00,034 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 05:53:00,036 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 05:53:00,037 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 05:53:00,038 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 05:53:00,047 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-01 05:53:00,048 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-01 05:53:00,048 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-01 05:53:00,049 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-01 05:53:00,049 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-01 05:53:00,050 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-01 05:53:00,050 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 05:53:00,051 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 05:53:00,052 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 05:53:00,052 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 05:53:00,053 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 05:53:00,053 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 05:53:00,054 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 05:53:00,054 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 05:53:00,054 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 05:53:00,055 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 05:53:00,055 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 05:53:00,058 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 05:53:00,091 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 05:53:00,091 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 05:53:00,092 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 05:53:00,092 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 05:53:00,093 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 05:53:00,093 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 05:53:00,093 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-01 05:53:00,094 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-01 05:53:00,094 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-01 05:53:00,094 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-01 05:53:00,095 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-01 05:53:00,095 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-01 05:53:00,095 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-01 05:53:00,095 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-01 05:53:00,095 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-01 05:53:00,095 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-01 05:53:00,095 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-01 05:53:00,095 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-01 05:53:00,096 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 05:53:00,096 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 05:53:00,096 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 05:53:00,096 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 05:53:00,097 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 05:53:00,097 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 05:53:00,097 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 05:53:00,097 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 05:53:00,097 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 05:53:00,097 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 05:53:00,097 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 05:53:00,097 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 05:53:00,098 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 05:53:00,098 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 05:53:00,098 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 05:53:00,098 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 05:53:00,098 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-01 05:53:00,098 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 05:53:00,098 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 05:53:00,099 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-01 05:53:00,099 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 05:53:00,099 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 05:53:00,099 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-01 05:53:00,099 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-01 05:53:00,328 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 05:53:00,347 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 05:53:00,350 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 05:53:00,351 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 05:53:00,352 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 05:53:00,353 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec9_product16.cil.c [2023-04-01 05:53:01,707 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 05:53:01,992 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 05:53:01,993 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec9_product16.cil.c [2023-04-01 05:53:02,013 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5369c20b/b86f4c1278f34827a8663d312eb567e6/FLAGbacd875e5 [2023-04-01 05:53:02,027 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5369c20b/b86f4c1278f34827a8663d312eb567e6 [2023-04-01 05:53:02,029 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 05:53:02,031 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 05:53:02,034 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 05:53:02,034 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 05:53:02,037 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 05:53:02,037 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 05:53:02" (1/1) ... [2023-04-01 05:53:02,039 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a16ad17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:53:02, skipping insertion in model container [2023-04-01 05:53:02,039 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 05:53:02" (1/1) ... [2023-04-01 05:53:02,044 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 05:53:02,096 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 05:53:02,464 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_spec9_product16.cil.c[33283,33296] [2023-04-01 05:53:02,565 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 05:53:02,577 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 05:53:02,650 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_spec9_product16.cil.c[33283,33296] [2023-04-01 05:53:02,677 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 05:53:02,702 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-04-01 05:53:02,710 INFO L208 MainTranslator]: Completed translation [2023-04-01 05:53:02,711 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:53:02 WrapperNode [2023-04-01 05:53:02,711 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 05:53:02,712 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 05:53:02,712 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 05:53:02,712 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 05:53:02,723 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:53:02" (1/1) ... [2023-04-01 05:53:02,724 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:53:02" (1/1) ... [2023-04-01 05:53:02,774 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:53:02" (1/1) ... [2023-04-01 05:53:02,774 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:53:02" (1/1) ... [2023-04-01 05:53:02,837 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:53:02" (1/1) ... [2023-04-01 05:53:02,847 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:53:02" (1/1) ... [2023-04-01 05:53:02,871 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:53:02" (1/1) ... [2023-04-01 05:53:02,878 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:53:02" (1/1) ... [2023-04-01 05:53:02,890 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 05:53:02,891 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 05:53:02,891 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 05:53:02,892 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 05:53:02,892 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:53:02" (1/1) ... [2023-04-01 05:53:02,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 05:53:02,918 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 05:53:02,932 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 05:53:02,951 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 05:53:02,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 05:53:02,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 05:53:02,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-01 05:53:02,978 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 05:53:02,979 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptForward_spec__1 [2023-04-01 05:53:02,979 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptForward_spec__2 [2023-04-01 05:53:02,979 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2023-04-01 05:53:02,979 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-04-01 05:53:02,979 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2023-04-01 05:53:02,979 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-04-01 05:53:02,979 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-04-01 05:53:02,979 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-04-01 05:53:02,979 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-04-01 05:53:02,980 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-01 05:53:02,980 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-01 05:53:02,980 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-01 05:53:02,980 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-01 05:53:02,980 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-01 05:53:02,980 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-01 05:53:02,980 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-04-01 05:53:02,980 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-04-01 05:53:02,980 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-04-01 05:53:02,981 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-04-01 05:53:02,981 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-04-01 05:53:02,981 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-04-01 05:53:02,981 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-04-01 05:53:02,981 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-04-01 05:53:02,981 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-04-01 05:53:02,981 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-04-01 05:53:02,981 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-04-01 05:53:02,981 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-04-01 05:53:02,982 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-04-01 05:53:02,982 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-04-01 05:53:02,982 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-04-01 05:53:02,982 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-04-01 05:53:02,982 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-04-01 05:53:02,982 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-04-01 05:53:02,982 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-04-01 05:53:02,982 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-04-01 05:53:02,982 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-04-01 05:53:02,982 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-04-01 05:53:02,983 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2023-04-01 05:53:02,983 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-04-01 05:53:02,983 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-04-01 05:53:02,983 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2023-04-01 05:53:02,983 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2023-04-01 05:53:02,983 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-04-01 05:53:02,983 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-04-01 05:53:02,983 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-04-01 05:53:02,983 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-04-01 05:53:02,984 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-04-01 05:53:02,984 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-04-01 05:53:02,984 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-04-01 05:53:02,984 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-04-01 05:53:02,984 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-04-01 05:53:02,984 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2023-04-01 05:53:02,984 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-01 05:53:02,984 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-01 05:53:02,984 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-01 05:53:02,985 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-01 05:53:02,985 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-01 05:53:02,985 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-01 05:53:02,985 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2023-04-01 05:53:02,985 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-04-01 05:53:02,985 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2023-04-01 05:53:02,985 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-04-01 05:53:02,985 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2023-04-01 05:53:02,985 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-04-01 05:53:02,986 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-04-01 05:53:02,986 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-04-01 05:53:02,986 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-01 05:53:02,986 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 05:53:02,986 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2023-04-01 05:53:02,986 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2023-04-01 05:53:02,986 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2023-04-01 05:53:02,986 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2023-04-01 05:53:02,987 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-04-01 05:53:02,987 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2023-04-01 05:53:02,987 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2023-04-01 05:53:02,987 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2023-04-01 05:53:02,987 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2023-04-01 05:53:02,987 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2023-04-01 05:53:02,987 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-04-01 05:53:02,987 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-04-01 05:53:02,987 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-04-01 05:53:02,987 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-04-01 05:53:02,988 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-04-01 05:53:02,988 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-04-01 05:53:02,988 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-04-01 05:53:02,988 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-04-01 05:53:02,988 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-04-01 05:53:02,988 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-04-01 05:53:02,988 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-04-01 05:53:02,988 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-04-01 05:53:02,988 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-04-01 05:53:02,989 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-04-01 05:53:02,989 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-04-01 05:53:02,989 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-04-01 05:53:02,989 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-04-01 05:53:02,989 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-04-01 05:53:02,989 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-04-01 05:53:02,989 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-04-01 05:53:02,989 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-04-01 05:53:02,990 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-04-01 05:53:02,990 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-04-01 05:53:02,990 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-04-01 05:53:02,990 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-04-01 05:53:02,990 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-04-01 05:53:02,990 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-04-01 05:53:02,990 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-04-01 05:53:02,990 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-04-01 05:53:02,990 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 05:53:02,991 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 05:53:02,991 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 05:53:02,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 05:53:02,991 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 05:53:02,991 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-01 05:53:02,991 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-04-01 05:53:02,991 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-01 05:53:02,992 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-04-01 05:53:02,992 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptForward_spec__1 [2023-04-01 05:53:02,992 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptForward_spec__2 [2023-04-01 05:53:02,992 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-04-01 05:53:02,992 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-04-01 05:53:02,992 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-04-01 05:53:02,992 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-04-01 05:53:02,992 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-04-01 05:53:02,992 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-04-01 05:53:02,993 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-04-01 05:53:02,993 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-04-01 05:53:02,993 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-04-01 05:53:02,993 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-04-01 05:53:02,993 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2023-04-01 05:53:02,993 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2023-04-01 05:53:02,993 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-04-01 05:53:02,993 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-01 05:53:02,994 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-01 05:53:02,994 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-01 05:53:02,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-01 05:53:02,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-01 05:53:02,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 05:53:02,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-01 05:53:02,994 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-01 05:53:02,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 05:53:02,994 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-01 05:53:02,994 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-01 05:53:02,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 05:53:02,995 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-01 05:53:02,995 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-01 05:53:02,995 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-01 05:53:02,995 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-04-01 05:53:02,995 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-04-01 05:53:02,995 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-04-01 05:53:02,995 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-04-01 05:53:02,995 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-04-01 05:53:02,995 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-04-01 05:53:02,996 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-04-01 05:53:02,996 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-04-01 05:53:02,996 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-04-01 05:53:02,996 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-04-01 05:53:02,996 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-04-01 05:53:02,996 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-04-01 05:53:02,996 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-04-01 05:53:02,996 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-04-01 05:53:02,996 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-04-01 05:53:02,997 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-04-01 05:53:02,997 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-04-01 05:53:02,997 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-04-01 05:53:02,997 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-04-01 05:53:02,997 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-04-01 05:53:02,997 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-04-01 05:53:02,997 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-04-01 05:53:02,997 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-04-01 05:53:02,997 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-04-01 05:53:02,998 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-04-01 05:53:02,998 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-04-01 05:53:02,998 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-04-01 05:53:02,998 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-04-01 05:53:02,998 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-04-01 05:53:02,998 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-04-01 05:53:02,998 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-04-01 05:53:02,998 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-04-01 05:53:02,998 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2023-04-01 05:53:02,998 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2023-04-01 05:53:02,998 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2023-04-01 05:53:02,999 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2023-04-01 05:53:02,999 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-01 05:53:02,999 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-01 05:53:02,999 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-01 05:53:02,999 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-01 05:53:02,999 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2023-04-01 05:53:02,999 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2023-04-01 05:53:02,999 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2023-04-01 05:53:02,999 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2023-04-01 05:53:02,999 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2023-04-01 05:53:03,000 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2023-04-01 05:53:03,000 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-04-01 05:53:03,000 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2023-04-01 05:53:03,000 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-04-01 05:53:03,000 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-01 05:53:03,000 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-04-01 05:53:03,000 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-04-01 05:53:03,000 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-04-01 05:53:03,000 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-04-01 05:53:03,001 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-04-01 05:53:03,001 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-04-01 05:53:03,001 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-04-01 05:53:03,001 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-04-01 05:53:03,001 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-04-01 05:53:03,001 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-04-01 05:53:03,001 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-04-01 05:53:03,001 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-01 05:53:03,001 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 05:53:03,001 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2023-04-01 05:53:03,001 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2023-04-01 05:53:03,002 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2023-04-01 05:53:03,002 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2023-04-01 05:53:03,002 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2023-04-01 05:53:03,002 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-04-01 05:53:03,002 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-04-01 05:53:03,002 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-04-01 05:53:03,002 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-04-01 05:53:03,002 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-04-01 05:53:03,002 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-04-01 05:53:03,002 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-04-01 05:53:03,003 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-04-01 05:53:03,003 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-04-01 05:53:03,003 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-04-01 05:53:03,003 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-04-01 05:53:03,003 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-04-01 05:53:03,003 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-04-01 05:53:03,003 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-04-01 05:53:03,003 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-04-01 05:53:03,003 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-04-01 05:53:03,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 05:53:03,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 05:53:03,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 05:53:03,317 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 05:53:03,322 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 05:53:04,504 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 05:53:05,237 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 05:53:05,237 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-04-01 05:53:05,243 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 05:53:05 BoogieIcfgContainer [2023-04-01 05:53:05,245 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 05:53:05,248 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 05:53:05,248 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 05:53:05,251 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 05:53:05,251 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 05:53:02" (1/3) ... [2023-04-01 05:53:05,252 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d82a6a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 05:53:05, skipping insertion in model container [2023-04-01 05:53:05,254 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:53:02" (2/3) ... [2023-04-01 05:53:05,254 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d82a6a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 05:53:05, skipping insertion in model container [2023-04-01 05:53:05,259 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 05:53:05" (3/3) ... [2023-04-01 05:53:05,260 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec9_product16.cil.c [2023-04-01 05:53:05,278 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 05:53:05,279 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 05:53:05,350 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 05:53:05,358 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;@643e33d1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-01 05:53:05,359 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 05:53:05,367 INFO L276 IsEmpty]: Start isEmpty. Operand has 351 states, 177 states have (on average 1.2033898305084745) internal successors, (213), 184 states have internal predecessors, (213), 101 states have call successors, (101), 68 states have call predecessors, (101), 68 states have return successors, (101), 101 states have call predecessors, (101), 101 states have call successors, (101) [2023-04-01 05:53:05,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-04-01 05:53:05,393 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:53:05,394 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 05:53:05,395 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:53:05,401 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:53:05,401 INFO L85 PathProgramCache]: Analyzing trace with hash -1322251808, now seen corresponding path program 1 times [2023-04-01 05:53:05,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:53:05,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468767530] [2023-04-01 05:53:05,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:53:05,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:53:05,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:53:05,964 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 05:53:05,965 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:53:05,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468767530] [2023-04-01 05:53:05,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468767530] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:53:05,966 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:53:05,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-01 05:53:05,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830854338] [2023-04-01 05:53:05,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:53:05,973 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-01 05:53:05,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:53:06,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-01 05:53:06,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-01 05:53:06,015 INFO L87 Difference]: Start difference. First operand has 351 states, 177 states have (on average 1.2033898305084745) internal successors, (213), 184 states have internal predecessors, (213), 101 states have call successors, (101), 68 states have call predecessors, (101), 68 states have return successors, (101), 101 states have call predecessors, (101), 101 states have call successors, (101) Second operand has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-04-01 05:53:06,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:53:06,175 INFO L93 Difference]: Finished difference Result 510 states and 601 transitions. [2023-04-01 05:53:06,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-01 05:53:06,178 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 114 [2023-04-01 05:53:06,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:53:06,199 INFO L225 Difference]: With dead ends: 510 [2023-04-01 05:53:06,199 INFO L226 Difference]: Without dead ends: 330 [2023-04-01 05:53:06,205 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 05:53:06,212 INFO L413 NwaCegarLoop]: 360 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-01 05:53:06,213 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 360 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 05:53:06,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2023-04-01 05:53:06,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 330. [2023-04-01 05:53:06,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 168 states have (on average 1.1904761904761905) internal successors, (200), 172 states have internal predecessors, (200), 97 states have call successors, (97), 68 states have call predecessors, (97), 64 states have return successors, (92), 92 states have call predecessors, (92), 92 states have call successors, (92) [2023-04-01 05:53:06,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 389 transitions. [2023-04-01 05:53:06,303 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 389 transitions. Word has length 114 [2023-04-01 05:53:06,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:53:06,305 INFO L495 AbstractCegarLoop]: Abstraction has 330 states and 389 transitions. [2023-04-01 05:53:06,306 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-04-01 05:53:06,307 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 389 transitions. [2023-04-01 05:53:06,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-04-01 05:53:06,311 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:53:06,311 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 05:53:06,312 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-01 05:53:06,312 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:53:06,313 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:53:06,313 INFO L85 PathProgramCache]: Analyzing trace with hash 1226360039, now seen corresponding path program 1 times [2023-04-01 05:53:06,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:53:06,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763070832] [2023-04-01 05:53:06,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:53:06,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:53:06,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:53:06,590 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 05:53:06,591 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:53:06,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763070832] [2023-04-01 05:53:06,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1763070832] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:53:06,591 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:53:06,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 05:53:06,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248800875] [2023-04-01 05:53:06,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:53:06,593 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 05:53:06,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:53:06,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 05:53:06,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 05:53:06,595 INFO L87 Difference]: Start difference. First operand 330 states and 389 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-04-01 05:53:06,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:53:06,720 INFO L93 Difference]: Finished difference Result 495 states and 573 transitions. [2023-04-01 05:53:06,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 05:53:06,721 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 115 [2023-04-01 05:53:06,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:53:06,724 INFO L225 Difference]: With dead ends: 495 [2023-04-01 05:53:06,724 INFO L226 Difference]: Without dead ends: 332 [2023-04-01 05:53:06,728 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 05:53:06,730 INFO L413 NwaCegarLoop]: 351 mSDtfsCounter, 0 mSDsluCounter, 349 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 700 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-01 05:53:06,730 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 700 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 05:53:06,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2023-04-01 05:53:06,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 332. [2023-04-01 05:53:06,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 332 states, 170 states have (on average 1.188235294117647) internal successors, (202), 174 states have internal predecessors, (202), 97 states have call successors, (97), 68 states have call predecessors, (97), 64 states have return successors, (92), 92 states have call predecessors, (92), 92 states have call successors, (92) [2023-04-01 05:53:06,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 391 transitions. [2023-04-01 05:53:06,747 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 391 transitions. Word has length 115 [2023-04-01 05:53:06,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:53:06,748 INFO L495 AbstractCegarLoop]: Abstraction has 332 states and 391 transitions. [2023-04-01 05:53:06,748 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-04-01 05:53:06,748 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 391 transitions. [2023-04-01 05:53:06,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-04-01 05:53:06,750 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:53:06,750 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 05:53:06,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-01 05:53:06,751 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:53:06,751 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:53:06,751 INFO L85 PathProgramCache]: Analyzing trace with hash 1575020909, now seen corresponding path program 1 times [2023-04-01 05:53:06,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:53:06,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089108195] [2023-04-01 05:53:06,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:53:06,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:53:06,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:53:06,889 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 05:53:06,890 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:53:06,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089108195] [2023-04-01 05:53:06,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2089108195] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:53:06,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:53:06,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 05:53:06,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191706108] [2023-04-01 05:53:06,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:53:06,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 05:53:06,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:53:06,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 05:53:06,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 05:53:06,893 INFO L87 Difference]: Start difference. First operand 332 states and 391 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-04-01 05:53:06,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:53:06,976 INFO L93 Difference]: Finished difference Result 646 states and 789 transitions. [2023-04-01 05:53:06,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 05:53:06,976 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 120 [2023-04-01 05:53:06,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:53:06,979 INFO L225 Difference]: With dead ends: 646 [2023-04-01 05:53:06,979 INFO L226 Difference]: Without dead ends: 372 [2023-04-01 05:53:06,981 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 05:53:06,982 INFO L413 NwaCegarLoop]: 356 mSDtfsCounter, 52 mSDsluCounter, 344 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 700 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-01 05:53:06,982 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 700 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 05:53:06,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2023-04-01 05:53:06,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 371. [2023-04-01 05:53:06,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 371 states, 201 states have (on average 1.263681592039801) internal successors, (254), 205 states have internal predecessors, (254), 105 states have call successors, (105), 68 states have call predecessors, (105), 64 states have return successors, (100), 100 states have call predecessors, (100), 100 states have call successors, (100) [2023-04-01 05:53:06,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 459 transitions. [2023-04-01 05:53:06,999 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 459 transitions. Word has length 120 [2023-04-01 05:53:06,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:53:06,999 INFO L495 AbstractCegarLoop]: Abstraction has 371 states and 459 transitions. [2023-04-01 05:53:07,000 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-04-01 05:53:07,000 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 459 transitions. [2023-04-01 05:53:07,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-04-01 05:53:07,002 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:53:07,002 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 05:53:07,002 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-01 05:53:07,002 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:53:07,002 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:53:07,003 INFO L85 PathProgramCache]: Analyzing trace with hash 188433880, now seen corresponding path program 1 times [2023-04-01 05:53:07,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:53:07,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950820099] [2023-04-01 05:53:07,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:53:07,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:53:07,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:53:07,239 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 05:53:07,239 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:53:07,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950820099] [2023-04-01 05:53:07,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [950820099] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 05:53:07,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1395218133] [2023-04-01 05:53:07,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:53:07,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 05:53:07,240 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 05:53:07,248 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 05:53:07,250 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 05:53:07,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:53:07,733 INFO L262 TraceCheckSpWp]: Trace formula consists of 1997 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-01 05:53:07,746 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 05:53:07,805 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 05:53:07,805 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 05:53:08,024 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 05:53:08,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1395218133] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 05:53:08,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1148697081] [2023-04-01 05:53:08,051 INFO L159 IcfgInterpreter]: Started Sifa with 110 locations of interest [2023-04-01 05:53:08,051 INFO L166 IcfgInterpreter]: Building call graph [2023-04-01 05:53:08,057 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-01 05:53:08,062 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-01 05:53:08,062 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-01 05:53:12,579 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 340 for LOIs [2023-04-01 05:53:13,218 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 309 for LOIs [2023-04-01 05:53:19,009 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 249 for LOIs [2023-04-01 05:53:21,967 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh with input of size 240 for LOIs [2023-04-01 05:53:23,657 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh__wrappee__Base with input of size 231 for LOIs [2023-04-01 05:53:24,425 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck with input of size 241 for LOIs [2023-04-01 05:53:25,883 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck__wrappee__Base with input of size 232 for LOIs [2023-04-01 05:53:26,754 INFO L197 IcfgInterpreter]: Interpreting procedure setup_bob with input of size 245 for LOIs