/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain OctagonDomain -i ../sv-benchmarks/c/product-lines/email_spec8_product12.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 05:51:07,454 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 05:51:07,456 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 05:51:07,491 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 05:51:07,492 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 05:51:07,492 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 05:51:07,493 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 05:51:07,495 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 05:51:07,496 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 05:51:07,496 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 05:51:07,497 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 05:51:07,498 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 05:51:07,498 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 05:51:07,499 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 05:51:07,500 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 05:51:07,508 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 05:51:07,509 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 05:51:07,515 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 05:51:07,517 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 05:51:07,518 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 05:51:07,519 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 05:51:07,522 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 05:51:07,523 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 05:51:07,523 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 05:51:07,526 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-01 05:51:07,526 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-01 05:51:07,526 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-01 05:51:07,527 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-01 05:51:07,527 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-01 05:51:07,528 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-01 05:51:07,528 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 05:51:07,529 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 05:51:07,529 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 05:51:07,530 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 05:51:07,531 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 05:51:07,531 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 05:51:07,531 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 05:51:07,532 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 05:51:07,532 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 05:51:07,533 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 05:51:07,533 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 05:51:07,534 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 05:51:07,573 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 05:51:07,573 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 05:51:07,574 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 05:51:07,574 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 05:51:07,574 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 05:51:07,575 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 05:51:07,575 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-01 05:51:07,575 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-01 05:51:07,575 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-01 05:51:07,575 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-01 05:51:07,575 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-01 05:51:07,575 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-01 05:51:07,576 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-01 05:51:07,576 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-01 05:51:07,576 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-01 05:51:07,576 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-01 05:51:07,576 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-01 05:51:07,577 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-01 05:51:07,577 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 05:51:07,577 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 05:51:07,577 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 05:51:07,578 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 05:51:07,578 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 05:51:07,578 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 05:51:07,578 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 05:51:07,578 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 05:51:07,578 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 05:51:07,578 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 05:51:07,579 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 05:51:07,579 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 05:51:07,579 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 05:51:07,579 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 05:51:07,579 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 05:51:07,579 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 05:51:07,579 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-01 05:51:07,580 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 05:51:07,580 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 05:51:07,580 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-01 05:51:07,580 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 05:51:07,580 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 05:51:07,580 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-01 05:51:07,584 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-01 05:51:07,808 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 05:51:07,834 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 05:51:07,836 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 05:51:07,837 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 05:51:07,838 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 05:51:07,839 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec8_product12.cil.c [2023-04-01 05:51:09,036 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 05:51:09,243 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 05:51:09,243 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec8_product12.cil.c [2023-04-01 05:51:09,269 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5436a80a3/98eef145fab1408c99043b8cdb9f7044/FLAG91c91cb7c [2023-04-01 05:51:09,300 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5436a80a3/98eef145fab1408c99043b8cdb9f7044 [2023-04-01 05:51:09,304 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 05:51:09,305 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 05:51:09,307 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 05:51:09,307 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 05:51:09,310 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 05:51:09,310 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 05:51:09" (1/1) ... [2023-04-01 05:51:09,311 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56c1d919 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:51:09, skipping insertion in model container [2023-04-01 05:51:09,311 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 05:51:09" (1/1) ... [2023-04-01 05:51:09,317 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 05:51:09,375 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 05:51:09,688 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_spec8_product12.cil.c[16969,16982] [2023-04-01 05:51:09,858 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 05:51:09,870 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 05:51:09,924 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec8_product12.cil.c[16969,16982] [2023-04-01 05:51:09,998 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 05:51:10,023 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-04-01 05:51:10,028 INFO L208 MainTranslator]: Completed translation [2023-04-01 05:51:10,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:51:10 WrapperNode [2023-04-01 05:51:10,029 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 05:51:10,030 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 05:51:10,030 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 05:51:10,030 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 05:51:10,040 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:51:10" (1/1) ... [2023-04-01 05:51:10,040 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:51:10" (1/1) ... [2023-04-01 05:51:10,071 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:51:10" (1/1) ... [2023-04-01 05:51:10,072 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:51:10" (1/1) ... [2023-04-01 05:51:10,129 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:51:10" (1/1) ... [2023-04-01 05:51:10,166 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:51:10" (1/1) ... [2023-04-01 05:51:10,172 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:51:10" (1/1) ... [2023-04-01 05:51:10,177 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:51:10" (1/1) ... [2023-04-01 05:51:10,199 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 05:51:10,200 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 05:51:10,200 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 05:51:10,200 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 05:51:10,201 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:51:10" (1/1) ... [2023-04-01 05:51:10,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 05:51:10,226 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 05:51:10,252 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 05:51:10,294 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 05:51:10,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 05:51:10,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 05:51:10,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-01 05:51:10,314 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 05:51:10,315 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-01 05:51:10,315 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-01 05:51:10,315 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-01 05:51:10,315 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-01 05:51:10,315 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-01 05:51:10,315 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-01 05:51:10,315 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2023-04-01 05:51:10,315 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-04-01 05:51:10,315 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2023-04-01 05:51:10,316 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-04-01 05:51:10,316 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2023-04-01 05:51:10,316 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-04-01 05:51:10,317 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-04-01 05:51:10,317 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-04-01 05:51:10,317 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-01 05:51:10,317 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 05:51:10,317 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2023-04-01 05:51:10,317 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2023-04-01 05:51:10,317 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2023-04-01 05:51:10,317 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2023-04-01 05:51:10,317 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-04-01 05:51:10,317 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2023-04-01 05:51:10,318 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2023-04-01 05:51:10,318 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2023-04-01 05:51:10,318 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2023-04-01 05:51:10,318 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-01 05:51:10,318 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-01 05:51:10,318 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-01 05:51:10,318 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-01 05:51:10,318 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-01 05:51:10,318 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-01 05:51:10,318 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-04-01 05:51:10,318 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-04-01 05:51:10,319 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-04-01 05:51:10,319 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-04-01 05:51:10,319 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-04-01 05:51:10,319 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-04-01 05:51:10,319 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-04-01 05:51:10,319 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-04-01 05:51:10,320 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-04-01 05:51:10,320 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-04-01 05:51:10,320 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-04-01 05:51:10,320 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-04-01 05:51:10,321 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-04-01 05:51:10,321 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-04-01 05:51:10,321 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-04-01 05:51:10,321 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-04-01 05:51:10,321 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-04-01 05:51:10,321 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-04-01 05:51:10,322 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-04-01 05:51:10,322 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-04-01 05:51:10,322 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-04-01 05:51:10,322 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptAutoResponder_spec__1 [2023-04-01 05:51:10,322 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptAutoResponder_spec__2 [2023-04-01 05:51:10,323 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2023-04-01 05:51:10,323 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-04-01 05:51:10,323 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2023-04-01 05:51:10,323 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-04-01 05:51:10,324 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-04-01 05:51:10,324 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-04-01 05:51:10,324 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-04-01 05:51:10,324 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2023-04-01 05:51:10,324 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-04-01 05:51:10,324 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-04-01 05:51:10,324 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2023-04-01 05:51:10,324 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-04-01 05:51:10,324 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-04-01 05:51:10,324 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-04-01 05:51:10,324 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-04-01 05:51:10,324 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-04-01 05:51:10,324 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-04-01 05:51:10,325 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-04-01 05:51:10,325 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-04-01 05:51:10,325 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-04-01 05:51:10,325 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-04-01 05:51:10,325 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-04-01 05:51:10,325 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-04-01 05:51:10,325 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-04-01 05:51:10,325 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-04-01 05:51:10,326 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-04-01 05:51:10,326 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-04-01 05:51:10,326 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-04-01 05:51:10,326 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-04-01 05:51:10,327 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-04-01 05:51:10,327 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-04-01 05:51:10,327 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-04-01 05:51:10,327 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-04-01 05:51:10,327 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-04-01 05:51:10,327 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-04-01 05:51:10,327 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-04-01 05:51:10,328 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-04-01 05:51:10,328 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-04-01 05:51:10,328 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-04-01 05:51:10,328 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-04-01 05:51:10,328 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-04-01 05:51:10,328 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-04-01 05:51:10,328 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-04-01 05:51:10,328 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-04-01 05:51:10,328 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-04-01 05:51:10,328 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-04-01 05:51:10,329 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-04-01 05:51:10,329 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-04-01 05:51:10,329 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-04-01 05:51:10,329 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-04-01 05:51:10,329 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 05:51:10,329 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 05:51:10,329 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 05:51:10,329 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 05:51:10,330 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 05:51:10,330 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-01 05:51:10,330 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-01 05:51:10,330 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-01 05:51:10,330 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-01 05:51:10,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-01 05:51:10,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 05:51:10,331 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-01 05:51:10,331 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-01 05:51:10,333 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 05:51:10,333 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-01 05:51:10,341 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-01 05:51:10,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 05:51:10,341 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-01 05:51:10,341 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-01 05:51:10,341 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-01 05:51:10,342 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-01 05:51:10,342 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-04-01 05:51:10,342 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-04-01 05:51:10,342 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-04-01 05:51:10,342 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-04-01 05:51:10,342 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-04-01 05:51:10,342 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-04-01 05:51:10,343 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-04-01 05:51:10,343 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-04-01 05:51:10,343 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-01 05:51:10,343 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-01 05:51:10,343 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-01 05:51:10,343 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-04-01 05:51:10,343 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-04-01 05:51:10,344 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-04-01 05:51:10,344 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-04-01 05:51:10,344 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-04-01 05:51:10,344 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-04-01 05:51:10,344 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-04-01 05:51:10,344 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-04-01 05:51:10,344 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-04-01 05:51:10,344 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-04-01 05:51:10,344 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-04-01 05:51:10,344 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-01 05:51:10,345 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-01 05:51:10,345 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 05:51:10,345 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2023-04-01 05:51:10,345 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2023-04-01 05:51:10,345 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2023-04-01 05:51:10,345 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2023-04-01 05:51:10,345 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-04-01 05:51:10,345 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2023-04-01 05:51:10,345 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2023-04-01 05:51:10,345 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2023-04-01 05:51:10,346 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2023-04-01 05:51:10,346 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2023-04-01 05:51:10,346 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2023-04-01 05:51:10,346 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2023-04-01 05:51:10,346 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-01 05:51:10,346 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-01 05:51:10,346 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-04-01 05:51:10,347 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-04-01 05:51:10,347 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-04-01 05:51:10,347 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-04-01 05:51:10,347 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-04-01 05:51:10,347 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-04-01 05:51:10,348 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-04-01 05:51:10,348 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-04-01 05:51:10,348 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-04-01 05:51:10,348 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-04-01 05:51:10,348 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-04-01 05:51:10,348 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-04-01 05:51:10,348 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-04-01 05:51:10,348 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-04-01 05:51:10,348 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-04-01 05:51:10,348 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-04-01 05:51:10,348 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-04-01 05:51:10,349 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-04-01 05:51:10,349 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-04-01 05:51:10,350 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-04-01 05:51:10,350 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-04-01 05:51:10,351 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptAutoResponder_spec__1 [2023-04-01 05:51:10,351 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptAutoResponder_spec__2 [2023-04-01 05:51:10,351 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-04-01 05:51:10,351 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-04-01 05:51:10,351 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-04-01 05:51:10,351 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-04-01 05:51:10,351 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2023-04-01 05:51:10,351 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2023-04-01 05:51:10,351 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-04-01 05:51:10,351 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-04-01 05:51:10,351 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-04-01 05:51:10,351 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-04-01 05:51:10,351 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-04-01 05:51:10,351 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-04-01 05:51:10,351 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-04-01 05:51:10,352 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-04-01 05:51:10,352 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-04-01 05:51:10,352 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-04-01 05:51:10,352 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2023-04-01 05:51:10,352 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2023-04-01 05:51:10,352 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-04-01 05:51:10,352 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-04-01 05:51:10,352 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-04-01 05:51:10,352 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-04-01 05:51:10,352 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-04-01 05:51:10,352 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-04-01 05:51:10,352 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-04-01 05:51:10,352 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-04-01 05:51:10,352 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-04-01 05:51:10,352 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-04-01 05:51:10,352 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-04-01 05:51:10,352 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-04-01 05:51:10,353 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-04-01 05:51:10,353 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-04-01 05:51:10,353 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-04-01 05:51:10,353 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-04-01 05:51:10,353 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-04-01 05:51:10,353 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-04-01 05:51:10,353 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-04-01 05:51:10,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 05:51:10,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 05:51:10,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 05:51:10,641 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 05:51:10,646 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 05:51:11,632 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 05:51:12,199 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 05:51:12,199 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-04-01 05:51:12,204 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 05:51:12 BoogieIcfgContainer [2023-04-01 05:51:12,204 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 05:51:12,206 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 05:51:12,206 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 05:51:12,208 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 05:51:12,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 05:51:09" (1/3) ... [2023-04-01 05:51:12,209 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7123c2f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 05:51:12, skipping insertion in model container [2023-04-01 05:51:12,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:51:10" (2/3) ... [2023-04-01 05:51:12,209 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7123c2f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 05:51:12, skipping insertion in model container [2023-04-01 05:51:12,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 05:51:12" (3/3) ... [2023-04-01 05:51:12,210 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec8_product12.cil.c [2023-04-01 05:51:12,225 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 05:51:12,227 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 05:51:12,279 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 05:51:12,285 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;@da75e4b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-01 05:51:12,285 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 05:51:12,291 INFO L276 IsEmpty]: Start isEmpty. Operand has 314 states, 160 states have (on average 1.21875) internal successors, (195), 166 states have internal predecessors, (195), 89 states have call successors, (89), 58 states have call predecessors, (89), 58 states have return successors, (89), 89 states have call predecessors, (89), 89 states have call successors, (89) [2023-04-01 05:51:12,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-04-01 05:51:12,311 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:51:12,312 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 05:51:12,313 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:51:12,318 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:51:12,318 INFO L85 PathProgramCache]: Analyzing trace with hash 1073092603, now seen corresponding path program 1 times [2023-04-01 05:51:12,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:51:12,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032455267] [2023-04-01 05:51:12,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:51:12,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:51:12,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:51:12,729 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 05:51:12,730 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:51:12,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032455267] [2023-04-01 05:51:12,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1032455267] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:51:12,730 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:51:12,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-01 05:51:12,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669539949] [2023-04-01 05:51:12,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:51:12,735 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-01 05:51:12,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:51:12,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-01 05:51:12,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-01 05:51:12,757 INFO L87 Difference]: Start difference. First operand has 314 states, 160 states have (on average 1.21875) internal successors, (195), 166 states have internal predecessors, (195), 89 states have call successors, (89), 58 states have call predecessors, (89), 58 states have return successors, (89), 89 states have call predecessors, (89), 89 states have call successors, (89) Second operand has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-04-01 05:51:12,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:51:12,864 INFO L93 Difference]: Finished difference Result 405 states and 482 transitions. [2023-04-01 05:51:12,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-01 05:51:12,867 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 05:51:12,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:51:12,876 INFO L225 Difference]: With dead ends: 405 [2023-04-01 05:51:12,876 INFO L226 Difference]: Without dead ends: 274 [2023-04-01 05:51:12,879 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 05:51:12,882 INFO L413 NwaCegarLoop]: 305 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-01 05:51:12,883 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 305 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-01 05:51:12,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2023-04-01 05:51:12,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 274. [2023-04-01 05:51:12,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 141 states have (on average 1.2127659574468086) internal successors, (171), 144 states have internal predecessors, (171), 80 states have call successors, (80), 56 states have call predecessors, (80), 52 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2023-04-01 05:51:12,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 326 transitions. [2023-04-01 05:51:12,932 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 326 transitions. Word has length 114 [2023-04-01 05:51:12,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:51:12,933 INFO L495 AbstractCegarLoop]: Abstraction has 274 states and 326 transitions. [2023-04-01 05:51:12,933 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 05:51:12,933 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 326 transitions. [2023-04-01 05:51:12,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-04-01 05:51:12,935 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:51:12,935 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 05:51:12,936 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-01 05:51:12,936 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:51:12,936 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:51:12,936 INFO L85 PathProgramCache]: Analyzing trace with hash 1976318161, now seen corresponding path program 1 times [2023-04-01 05:51:12,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:51:12,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527304373] [2023-04-01 05:51:12,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:51:12,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:51:12,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:51:13,190 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 05:51:13,190 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:51:13,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527304373] [2023-04-01 05:51:13,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1527304373] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:51:13,191 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:51:13,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 05:51:13,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119713048] [2023-04-01 05:51:13,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:51:13,192 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 05:51:13,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:51:13,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 05:51:13,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 05:51:13,193 INFO L87 Difference]: Start difference. First operand 274 states and 326 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-04-01 05:51:13,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:51:13,262 INFO L93 Difference]: Finished difference Result 390 states and 454 transitions. [2023-04-01 05:51:13,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 05:51:13,262 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 05:51:13,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:51:13,264 INFO L225 Difference]: With dead ends: 390 [2023-04-01 05:51:13,265 INFO L226 Difference]: Without dead ends: 276 [2023-04-01 05:51:13,265 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 05:51:13,266 INFO L413 NwaCegarLoop]: 296 mSDtfsCounter, 0 mSDsluCounter, 294 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 590 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-01 05:51:13,267 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 590 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 05:51:13,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2023-04-01 05:51:13,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 276. [2023-04-01 05:51:13,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 276 states, 143 states have (on average 1.2097902097902098) internal successors, (173), 146 states have internal predecessors, (173), 80 states have call successors, (80), 56 states have call predecessors, (80), 52 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2023-04-01 05:51:13,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 328 transitions. [2023-04-01 05:51:13,281 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 328 transitions. Word has length 115 [2023-04-01 05:51:13,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:51:13,281 INFO L495 AbstractCegarLoop]: Abstraction has 276 states and 328 transitions. [2023-04-01 05:51:13,281 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 05:51:13,282 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 328 transitions. [2023-04-01 05:51:13,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-04-01 05:51:13,283 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:51:13,283 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 05:51:13,283 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-01 05:51:13,283 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:51:13,283 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:51:13,283 INFO L85 PathProgramCache]: Analyzing trace with hash -403924933, now seen corresponding path program 1 times [2023-04-01 05:51:13,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:51:13,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358630014] [2023-04-01 05:51:13,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:51:13,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:51:13,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:51:13,382 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 05:51:13,382 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:51:13,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358630014] [2023-04-01 05:51:13,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [358630014] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:51:13,383 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:51:13,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 05:51:13,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837959076] [2023-04-01 05:51:13,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:51:13,383 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 05:51:13,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:51:13,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 05:51:13,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 05:51:13,384 INFO L87 Difference]: Start difference. First operand 276 states and 328 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-04-01 05:51:13,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:51:13,440 INFO L93 Difference]: Finished difference Result 532 states and 660 transitions. [2023-04-01 05:51:13,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 05:51:13,440 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 05:51:13,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:51:13,450 INFO L225 Difference]: With dead ends: 532 [2023-04-01 05:51:13,450 INFO L226 Difference]: Without dead ends: 314 [2023-04-01 05:51:13,452 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 05:51:13,452 INFO L413 NwaCegarLoop]: 299 mSDtfsCounter, 51 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 588 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-01 05:51:13,453 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 588 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-01 05:51:13,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2023-04-01 05:51:13,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 313. [2023-04-01 05:51:13,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 173 states have (on average 1.2947976878612717) internal successors, (224), 176 states have internal predecessors, (224), 87 states have call successors, (87), 56 states have call predecessors, (87), 52 states have return successors, (82), 82 states have call predecessors, (82), 82 states have call successors, (82) [2023-04-01 05:51:13,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 393 transitions. [2023-04-01 05:51:13,466 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 393 transitions. Word has length 120 [2023-04-01 05:51:13,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:51:13,467 INFO L495 AbstractCegarLoop]: Abstraction has 313 states and 393 transitions. [2023-04-01 05:51:13,467 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 05:51:13,467 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 393 transitions. [2023-04-01 05:51:13,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-04-01 05:51:13,468 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:51:13,469 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 05:51:13,469 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-01 05:51:13,469 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:51:13,469 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:51:13,469 INFO L85 PathProgramCache]: Analyzing trace with hash 1346625575, now seen corresponding path program 1 times [2023-04-01 05:51:13,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:51:13,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164456308] [2023-04-01 05:51:13,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:51:13,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:51:13,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:51:13,665 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 05:51:13,665 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:51:13,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164456308] [2023-04-01 05:51:13,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [164456308] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 05:51:13,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1853176233] [2023-04-01 05:51:13,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:51:13,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 05:51:13,666 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 05:51:13,670 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 05:51:13,673 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 05:51:14,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:51:14,067 INFO L262 TraceCheckSpWp]: Trace formula consists of 1864 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-01 05:51:14,076 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 05:51:14,129 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 05:51:14,129 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 05:51:14,275 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 05:51:14,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1853176233] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 05:51:14,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1855585041] [2023-04-01 05:51:14,297 INFO L159 IcfgInterpreter]: Started Sifa with 110 locations of interest [2023-04-01 05:51:14,297 INFO L166 IcfgInterpreter]: Building call graph [2023-04-01 05:51:14,300 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-01 05:51:14,305 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-01 05:51:14,306 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-01 05:51:18,092 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 340 for LOIs [2023-04-01 05:51:18,625 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 297 for LOIs [2023-04-01 05:51:23,635 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 249 for LOIs [2023-04-01 05:51:26,242 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh with input of size 240 for LOIs [2023-04-01 05:51:27,684 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh__wrappee__Base with input of size 231 for LOIs [2023-04-01 05:51:28,486 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck with input of size 241 for LOIs [2023-04-01 05:51:29,937 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck__wrappee__Base with input of size 232 for LOIs [2023-04-01 05:51:30,780 INFO L197 IcfgInterpreter]: Interpreting procedure setup_bob with input of size 245 for LOIs