/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain OctagonDomain -i ../sv-benchmarks/c/product-lines/email_spec0_product11.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 05:38:59,133 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 05:38:59,136 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 05:38:59,198 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 05:38:59,198 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 05:38:59,201 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 05:38:59,204 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 05:38:59,206 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 05:38:59,208 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 05:38:59,213 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 05:38:59,214 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 05:38:59,216 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 05:38:59,217 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 05:38:59,219 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 05:38:59,220 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 05:38:59,224 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 05:38:59,225 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 05:38:59,225 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 05:38:59,228 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 05:38:59,237 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 05:38:59,238 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 05:38:59,239 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 05:38:59,240 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 05:38:59,241 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 05:38:59,252 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-01 05:38:59,253 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-01 05:38:59,253 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-01 05:38:59,254 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-01 05:38:59,254 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-01 05:38:59,255 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-01 05:38:59,255 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 05:38:59,255 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 05:38:59,256 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 05:38:59,256 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 05:38:59,257 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 05:38:59,257 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 05:38:59,258 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 05:38:59,258 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 05:38:59,258 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 05:38:59,259 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 05:38:59,259 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 05:38:59,261 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 05:38:59,282 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 05:38:59,283 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 05:38:59,283 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 05:38:59,283 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 05:38:59,283 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 05:38:59,284 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 05:38:59,284 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-01 05:38:59,284 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-01 05:38:59,284 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-01 05:38:59,284 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-01 05:38:59,284 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-01 05:38:59,284 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-01 05:38:59,284 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-01 05:38:59,285 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-01 05:38:59,285 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-01 05:38:59,285 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-01 05:38:59,285 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-01 05:38:59,285 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-01 05:38:59,286 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 05:38:59,286 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 05:38:59,286 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 05:38:59,286 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 05:38:59,286 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 05:38:59,286 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 05:38:59,286 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 05:38:59,286 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 05:38:59,287 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 05:38:59,287 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 05:38:59,287 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 05:38:59,287 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 05:38:59,287 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 05:38:59,287 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 05:38:59,287 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 05:38:59,287 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 05:38:59,288 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-01 05:38:59,288 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 05:38:59,288 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 05:38:59,288 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-01 05:38:59,288 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 05:38:59,288 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 05:38:59,288 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-01 05:38:59,288 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-01 05:38:59,527 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 05:38:59,555 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 05:38:59,560 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 05:38:59,561 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 05:38:59,562 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 05:38:59,563 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec0_product11.cil.c [2023-04-01 05:39:00,775 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 05:39:01,071 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 05:39:01,071 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_product11.cil.c [2023-04-01 05:39:01,100 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc5749a6d/f0d9260dd4564aebb9ee13f2e290aff0/FLAG454332f4f [2023-04-01 05:39:01,114 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc5749a6d/f0d9260dd4564aebb9ee13f2e290aff0 [2023-04-01 05:39:01,116 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 05:39:01,117 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 05:39:01,121 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 05:39:01,121 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 05:39:01,124 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 05:39:01,124 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 05:39:01" (1/1) ... [2023-04-01 05:39:01,125 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e4aa656 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:39:01, skipping insertion in model container [2023-04-01 05:39:01,126 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 05:39:01" (1/1) ... [2023-04-01 05:39:01,133 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 05:39:01,197 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 05:39:01,688 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_product11.cil.c[59717,59730] [2023-04-01 05:39:01,694 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 05:39:01,712 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 05:39:01,843 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_product11.cil.c[59717,59730] [2023-04-01 05:39:01,844 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 05:39:01,868 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-04-01 05:39:01,875 INFO L208 MainTranslator]: Completed translation [2023-04-01 05:39:01,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:39:01 WrapperNode [2023-04-01 05:39:01,876 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 05:39:01,877 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 05:39:01,877 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 05:39:01,877 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 05:39:01,888 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:39:01" (1/1) ... [2023-04-01 05:39:01,888 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:39:01" (1/1) ... [2023-04-01 05:39:01,919 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:39:01" (1/1) ... [2023-04-01 05:39:01,920 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:39:01" (1/1) ... [2023-04-01 05:39:01,971 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:39:01" (1/1) ... [2023-04-01 05:39:01,985 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:39:01" (1/1) ... [2023-04-01 05:39:01,993 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:39:01" (1/1) ... [2023-04-01 05:39:02,000 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:39:01" (1/1) ... [2023-04-01 05:39:02,012 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 05:39:02,013 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 05:39:02,013 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 05:39:02,013 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 05:39:02,014 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:39:01" (1/1) ... [2023-04-01 05:39:02,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 05:39:02,031 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 05:39:02,045 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 05:39:02,073 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 05:39:02,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 05:39:02,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 05:39:02,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-01 05:39:02,095 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 05:39:02,095 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-04-01 05:39:02,095 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-04-01 05:39:02,095 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-04-01 05:39:02,095 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-04-01 05:39:02,095 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-04-01 05:39:02,096 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-04-01 05:39:02,096 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-04-01 05:39:02,096 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-04-01 05:39:02,096 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-04-01 05:39:02,096 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-04-01 05:39:02,096 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-04-01 05:39:02,096 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-04-01 05:39:02,096 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-04-01 05:39:02,096 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-04-01 05:39:02,097 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-04-01 05:39:02,097 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-04-01 05:39:02,097 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-04-01 05:39:02,097 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-04-01 05:39:02,097 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-04-01 05:39:02,097 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-04-01 05:39:02,097 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-04-01 05:39:02,097 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-01 05:39:02,097 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-01 05:39:02,097 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-01 05:39:02,098 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-01 05:39:02,098 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-04-01 05:39:02,098 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-04-01 05:39:02,098 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-04-01 05:39:02,098 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-04-01 05:39:02,098 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2023-04-01 05:39:02,098 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-04-01 05:39:02,098 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2023-04-01 05:39:02,098 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-04-01 05:39:02,098 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2023-04-01 05:39:02,099 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-04-01 05:39:02,099 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-04-01 05:39:02,099 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-04-01 05:39:02,099 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-01 05:39:02,099 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 05:39:02,099 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2023-04-01 05:39:02,100 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2023-04-01 05:39:02,100 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2023-04-01 05:39:02,100 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2023-04-01 05:39:02,100 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-04-01 05:39:02,100 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2023-04-01 05:39:02,100 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2023-04-01 05:39:02,100 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2023-04-01 05:39:02,100 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2023-04-01 05:39:02,100 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2023-04-01 05:39:02,101 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptForward_spec__1 [2023-04-01 05:39:02,101 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-01 05:39:02,101 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-01 05:39:02,101 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-01 05:39:02,101 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-01 05:39:02,101 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-01 05:39:02,101 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-01 05:39:02,101 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-01 05:39:02,102 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-04-01 05:39:02,102 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-04-01 05:39:02,102 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-04-01 05:39:02,102 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Keys [2023-04-01 05:39:02,102 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-04-01 05:39:02,102 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-04-01 05:39:02,102 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-04-01 05:39:02,102 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-04-01 05:39:02,102 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-04-01 05:39:02,103 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-04-01 05:39:02,103 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-04-01 05:39:02,103 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-04-01 05:39:02,103 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-04-01 05:39:02,103 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2023-04-01 05:39:02,103 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-04-01 05:39:02,103 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-04-01 05:39:02,103 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-04-01 05:39:02,103 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-04-01 05:39:02,104 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-04-01 05:39:02,104 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-04-01 05:39:02,104 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-04-01 05:39:02,104 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-04-01 05:39:02,104 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-04-01 05:39:02,104 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-04-01 05:39:02,104 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-04-01 05:39:02,104 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-04-01 05:39:02,104 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-04-01 05:39:02,105 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-04-01 05:39:02,105 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-04-01 05:39:02,105 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-04-01 05:39:02,105 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-04-01 05:39:02,105 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-04-01 05:39:02,105 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-04-01 05:39:02,105 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-04-01 05:39:02,105 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-04-01 05:39:02,105 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-04-01 05:39:02,106 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-04-01 05:39:02,106 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-04-01 05:39:02,106 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-04-01 05:39:02,106 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-04-01 05:39:02,106 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-04-01 05:39:02,106 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-04-01 05:39:02,106 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-04-01 05:39:02,106 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-01 05:39:02,106 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-04-01 05:39:02,107 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 05:39:02,107 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 05:39:02,107 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 05:39:02,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 05:39:02,107 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 05:39:02,107 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-04-01 05:39:02,107 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-04-01 05:39:02,107 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-04-01 05:39:02,107 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-04-01 05:39:02,108 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-04-01 05:39:02,108 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-04-01 05:39:02,108 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-04-01 05:39:02,108 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-04-01 05:39:02,108 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-04-01 05:39:02,108 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-04-01 05:39:02,108 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-04-01 05:39:02,108 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-04-01 05:39:02,108 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-04-01 05:39:02,109 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-04-01 05:39:02,109 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-04-01 05:39:02,109 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-04-01 05:39:02,109 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-04-01 05:39:02,109 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-04-01 05:39:02,109 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-04-01 05:39:02,109 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-04-01 05:39:02,109 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-04-01 05:39:02,110 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-01 05:39:02,110 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-01 05:39:02,110 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-01 05:39:02,110 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-01 05:39:02,110 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-01 05:39:02,110 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-04-01 05:39:02,110 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-04-01 05:39:02,110 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-04-01 05:39:02,110 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-04-01 05:39:02,110 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-04-01 05:39:02,111 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-04-01 05:39:02,111 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-04-01 05:39:02,111 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-04-01 05:39:02,111 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-04-01 05:39:02,111 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-04-01 05:39:02,111 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-04-01 05:39:02,111 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-04-01 05:39:02,111 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-04-01 05:39:02,111 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-04-01 05:39:02,111 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-04-01 05:39:02,111 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-04-01 05:39:02,112 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-04-01 05:39:02,112 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-04-01 05:39:02,112 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-04-01 05:39:02,112 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-04-01 05:39:02,112 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-04-01 05:39:02,112 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-04-01 05:39:02,112 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-04-01 05:39:02,112 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-04-01 05:39:02,112 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-01 05:39:02,113 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-01 05:39:02,113 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 05:39:02,113 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2023-04-01 05:39:02,113 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2023-04-01 05:39:02,113 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2023-04-01 05:39:02,113 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2023-04-01 05:39:02,113 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-04-01 05:39:02,113 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2023-04-01 05:39:02,113 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2023-04-01 05:39:02,114 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2023-04-01 05:39:02,114 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2023-04-01 05:39:02,114 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2023-04-01 05:39:02,114 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2023-04-01 05:39:02,114 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2023-04-01 05:39:02,114 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2023-04-01 05:39:02,114 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-01 05:39:02,114 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptForward_spec__1 [2023-04-01 05:39:02,114 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-01 05:39:02,115 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-01 05:39:02,115 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-01 05:39:02,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-01 05:39:02,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-01 05:39:02,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 05:39:02,115 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-01 05:39:02,115 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-01 05:39:02,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 05:39:02,115 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-01 05:39:02,115 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-01 05:39:02,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 05:39:02,116 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-01 05:39:02,116 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-01 05:39:02,116 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-01 05:39:02,116 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-04-01 05:39:02,116 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-04-01 05:39:02,116 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-04-01 05:39:02,116 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-04-01 05:39:02,116 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-04-01 05:39:02,117 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-04-01 05:39:02,117 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-04-01 05:39:02,117 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-04-01 05:39:02,117 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-04-01 05:39:02,117 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2023-04-01 05:39:02,117 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Keys [2023-04-01 05:39:02,117 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-04-01 05:39:02,117 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-04-01 05:39:02,117 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-04-01 05:39:02,117 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-04-01 05:39:02,118 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-04-01 05:39:02,118 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-04-01 05:39:02,118 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-04-01 05:39:02,118 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-04-01 05:39:02,118 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-04-01 05:39:02,118 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-04-01 05:39:02,118 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-04-01 05:39:02,118 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-04-01 05:39:02,118 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-04-01 05:39:02,118 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-04-01 05:39:02,119 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-04-01 05:39:02,119 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-04-01 05:39:02,119 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-04-01 05:39:02,119 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-04-01 05:39:02,119 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-04-01 05:39:02,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 05:39:02,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 05:39:02,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 05:39:02,415 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 05:39:02,422 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 05:39:03,465 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 05:39:04,223 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 05:39:04,223 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-04-01 05:39:04,233 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 05:39:04 BoogieIcfgContainer [2023-04-01 05:39:04,234 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 05:39:04,237 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 05:39:04,237 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 05:39:04,240 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 05:39:04,241 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 05:39:01" (1/3) ... [2023-04-01 05:39:04,241 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b022651 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 05:39:04, skipping insertion in model container [2023-04-01 05:39:04,241 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:39:01" (2/3) ... [2023-04-01 05:39:04,242 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b022651 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 05:39:04, skipping insertion in model container [2023-04-01 05:39:04,242 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 05:39:04" (3/3) ... [2023-04-01 05:39:04,243 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec0_product11.cil.c [2023-04-01 05:39:04,261 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 05:39:04,262 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 05:39:04,328 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 05:39:04,334 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;@754da085, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-01 05:39:04,335 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 05:39:04,342 INFO L276 IsEmpty]: Start isEmpty. Operand has 288 states, 145 states have (on average 1.206896551724138) internal successors, (175), 150 states have internal predecessors, (175), 82 states have call successors, (82), 56 states have call predecessors, (82), 56 states have return successors, (82), 82 states have call predecessors, (82), 82 states have call successors, (82) [2023-04-01 05:39:04,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-04-01 05:39:04,371 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:39:04,374 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 05:39:04,374 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:39:04,379 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:39:04,379 INFO L85 PathProgramCache]: Analyzing trace with hash -323386163, now seen corresponding path program 1 times [2023-04-01 05:39:04,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:39:04,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298662907] [2023-04-01 05:39:04,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:39:04,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:39:04,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:39:04,887 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-04-01 05:39:04,887 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:39:04,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1298662907] [2023-04-01 05:39:04,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1298662907] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:39:04,888 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:39:04,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-01 05:39:04,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192464092] [2023-04-01 05:39:04,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:39:04,895 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-01 05:39:04,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:39:04,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-01 05:39:04,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-01 05:39:04,945 INFO L87 Difference]: Start difference. First operand has 288 states, 145 states have (on average 1.206896551724138) internal successors, (175), 150 states have internal predecessors, (175), 82 states have call successors, (82), 56 states have call predecessors, (82), 56 states have return successors, (82), 82 states have call predecessors, (82), 82 states have call successors, (82) Second operand has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-04-01 05:39:05,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:39:05,084 INFO L93 Difference]: Finished difference Result 384 states and 450 transitions. [2023-04-01 05:39:05,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-01 05:39:05,087 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 125 [2023-04-01 05:39:05,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:39:05,101 INFO L225 Difference]: With dead ends: 384 [2023-04-01 05:39:05,101 INFO L226 Difference]: Without dead ends: 267 [2023-04-01 05:39:05,105 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 05:39:05,108 INFO L413 NwaCegarLoop]: 293 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 293 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-01 05:39:05,109 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 293 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 05:39:05,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2023-04-01 05:39:05,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 267. [2023-04-01 05:39:05,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 267 states, 136 states have (on average 1.1911764705882353) internal successors, (162), 138 states have internal predecessors, (162), 78 states have call successors, (78), 56 states have call predecessors, (78), 52 states have return successors, (73), 73 states have call predecessors, (73), 73 states have call successors, (73) [2023-04-01 05:39:05,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 313 transitions. [2023-04-01 05:39:05,199 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 313 transitions. Word has length 125 [2023-04-01 05:39:05,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:39:05,201 INFO L495 AbstractCegarLoop]: Abstraction has 267 states and 313 transitions. [2023-04-01 05:39:05,202 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-04-01 05:39:05,203 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 313 transitions. [2023-04-01 05:39:05,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2023-04-01 05:39:05,209 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:39:05,209 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 05:39:05,210 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-01 05:39:05,210 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:39:05,211 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:39:05,211 INFO L85 PathProgramCache]: Analyzing trace with hash 1409506224, now seen corresponding path program 1 times [2023-04-01 05:39:05,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:39:05,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187867875] [2023-04-01 05:39:05,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:39:05,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:39:05,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:39:05,590 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-04-01 05:39:05,590 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:39:05,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187867875] [2023-04-01 05:39:05,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [187867875] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:39:05,591 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:39:05,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 05:39:05,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249842840] [2023-04-01 05:39:05,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:39:05,593 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 05:39:05,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:39:05,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 05:39:05,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 05:39:05,595 INFO L87 Difference]: Start difference. First operand 267 states and 313 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-04-01 05:39:05,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:39:05,698 INFO L93 Difference]: Finished difference Result 369 states and 421 transitions. [2023-04-01 05:39:05,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 05:39:05,699 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 126 [2023-04-01 05:39:05,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:39:05,702 INFO L225 Difference]: With dead ends: 369 [2023-04-01 05:39:05,702 INFO L226 Difference]: Without dead ends: 269 [2023-04-01 05:39:05,703 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 05:39:05,704 INFO L413 NwaCegarLoop]: 284 mSDtfsCounter, 0 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 566 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-01 05:39:05,704 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 566 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 05:39:05,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2023-04-01 05:39:05,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 269. [2023-04-01 05:39:05,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 269 states, 138 states have (on average 1.1884057971014492) internal successors, (164), 140 states have internal predecessors, (164), 78 states have call successors, (78), 56 states have call predecessors, (78), 52 states have return successors, (73), 73 states have call predecessors, (73), 73 states have call successors, (73) [2023-04-01 05:39:05,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 315 transitions. [2023-04-01 05:39:05,727 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 315 transitions. Word has length 126 [2023-04-01 05:39:05,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:39:05,728 INFO L495 AbstractCegarLoop]: Abstraction has 269 states and 315 transitions. [2023-04-01 05:39:05,728 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-04-01 05:39:05,730 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 315 transitions. [2023-04-01 05:39:05,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-04-01 05:39:05,736 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:39:05,737 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 05:39:05,737 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-01 05:39:05,737 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:39:05,737 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:39:05,738 INFO L85 PathProgramCache]: Analyzing trace with hash 771805442, now seen corresponding path program 1 times [2023-04-01 05:39:05,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:39:05,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713051081] [2023-04-01 05:39:05,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:39:05,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:39:05,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:39:05,928 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-04-01 05:39:05,928 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:39:05,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713051081] [2023-04-01 05:39:05,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1713051081] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:39:05,930 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:39:05,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 05:39:05,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758380108] [2023-04-01 05:39:05,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:39:05,933 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 05:39:05,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:39:05,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 05:39:05,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 05:39:05,934 INFO L87 Difference]: Start difference. First operand 269 states and 315 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-04-01 05:39:06,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:39:06,032 INFO L93 Difference]: Finished difference Result 520 states and 637 transitions. [2023-04-01 05:39:06,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 05:39:06,032 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 131 [2023-04-01 05:39:06,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:39:06,036 INFO L225 Difference]: With dead ends: 520 [2023-04-01 05:39:06,036 INFO L226 Difference]: Without dead ends: 309 [2023-04-01 05:39:06,043 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 05:39:06,046 INFO L413 NwaCegarLoop]: 289 mSDtfsCounter, 52 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 566 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-01 05:39:06,047 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 566 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 05:39:06,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2023-04-01 05:39:06,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 308. [2023-04-01 05:39:06,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308 states, 169 states have (on average 1.2781065088757397) internal successors, (216), 171 states have internal predecessors, (216), 86 states have call successors, (86), 56 states have call predecessors, (86), 52 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2023-04-01 05:39:06,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 383 transitions. [2023-04-01 05:39:06,067 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 383 transitions. Word has length 131 [2023-04-01 05:39:06,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:39:06,069 INFO L495 AbstractCegarLoop]: Abstraction has 308 states and 383 transitions. [2023-04-01 05:39:06,069 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-04-01 05:39:06,070 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 383 transitions. [2023-04-01 05:39:06,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-04-01 05:39:06,075 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:39:06,075 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 05:39:06,075 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-01 05:39:06,076 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:39:06,076 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:39:06,076 INFO L85 PathProgramCache]: Analyzing trace with hash -605102574, now seen corresponding path program 1 times [2023-04-01 05:39:06,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:39:06,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125888267] [2023-04-01 05:39:06,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:39:06,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:39:06,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:39:06,341 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-04-01 05:39:06,342 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:39:06,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125888267] [2023-04-01 05:39:06,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [125888267] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 05:39:06,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1045970073] [2023-04-01 05:39:06,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:39:06,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 05:39:06,343 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 05:39:06,349 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 05:39:06,356 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 05:39:06,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:39:06,840 INFO L262 TraceCheckSpWp]: Trace formula consists of 1882 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-01 05:39:06,854 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 05:39:06,925 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-04-01 05:39:06,925 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 05:39:07,129 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-04-01 05:39:07,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1045970073] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 05:39:07,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1569604810] [2023-04-01 05:39:07,154 INFO L159 IcfgInterpreter]: Started Sifa with 119 locations of interest [2023-04-01 05:39:07,155 INFO L166 IcfgInterpreter]: Building call graph [2023-04-01 05:39:07,158 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-01 05:39:07,163 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-01 05:39:07,163 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-01 05:39:11,351 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 337 for LOIs [2023-04-01 05:39:11,915 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 297 for LOIs [2023-04-01 05:39:17,563 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 247 for LOIs [2023-04-01 05:39:20,298 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh with input of size 238 for LOIs [2023-04-01 05:39:22,005 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh__wrappee__Base with input of size 229 for LOIs [2023-04-01 05:39:22,781 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck with input of size 239 for LOIs [2023-04-01 05:39:24,260 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck__wrappee__Base with input of size 230 for LOIs [2023-04-01 05:39:25,119 INFO L197 IcfgInterpreter]: Interpreting procedure setup_bob with input of size 243 for LOIs