/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_spec1_product12.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 00:12:07,358 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 00:12:07,360 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 00:12:07,393 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 00:12:07,393 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 00:12:07,396 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 00:12:07,401 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 00:12:07,403 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 00:12:07,404 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 00:12:07,409 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 00:12:07,410 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 00:12:07,412 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 00:12:07,412 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 00:12:07,415 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 00:12:07,416 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 00:12:07,417 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 00:12:07,418 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 00:12:07,418 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 00:12:07,420 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 00:12:07,427 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 00:12:07,428 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 00:12:07,432 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 00:12:07,433 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 00:12:07,433 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 00:12:07,436 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 00:12:07,436 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 00:12:07,436 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 00:12:07,437 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 00:12:07,437 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 00:12:07,438 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 00:12:07,438 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 00:12:07,439 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 00:12:07,439 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 00:12:07,440 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 00:12:07,440 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 00:12:07,445 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 00:12:07,445 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 00:12:07,446 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 00:12:07,446 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 00:12:07,448 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 00:12:07,448 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 00:12:07,450 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-04-03 00:12:07,480 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 00:12:07,480 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 00:12:07,480 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 00:12:07,481 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 00:12:07,481 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 00:12:07,482 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 00:12:07,482 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 00:12:07,482 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 00:12:07,482 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 00:12:07,482 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 00:12:07,483 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 00:12:07,483 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 00:12:07,483 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 00:12:07,483 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 00:12:07,483 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 00:12:07,483 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 00:12:07,484 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 00:12:07,484 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 00:12:07,484 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 00:12:07,484 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 00:12:07,484 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 00:12:07,485 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 00:12:07,485 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 00:12:07,485 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 00:12:07,485 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 00:12:07,485 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 00:12:07,485 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 00:12:07,485 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 00:12:07,485 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 00:12:07,486 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 00:12:07,486 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 00:12:07,486 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 00:12:07,486 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 00:12:07,486 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 00:12:07,486 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 00:12:07,486 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 00:12:07,487 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 00:12:07,487 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 00:12:07,487 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 00:12:07,487 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 00:12:07,487 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 00:12:07,487 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 00:12:07,721 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 00:12:07,742 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 00:12:07,744 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 00:12:07,745 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 00:12:07,746 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 00:12:07,747 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec1_product12.cil.c [2023-04-03 00:12:09,139 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 00:12:09,436 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 00:12:09,437 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec1_product12.cil.c [2023-04-03 00:12:09,452 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c91a10825/ca0eda9c867545abb280e8acefa3298c/FLAG394435ba9 [2023-04-03 00:12:09,470 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c91a10825/ca0eda9c867545abb280e8acefa3298c [2023-04-03 00:12:09,472 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 00:12:09,474 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 00:12:09,478 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 00:12:09,478 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 00:12:09,481 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 00:12:09,482 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 12:12:09" (1/1) ... [2023-04-03 00:12:09,483 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bf08f5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:12:09, skipping insertion in model container [2023-04-03 00:12:09,483 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 12:12:09" (1/1) ... [2023-04-03 00:12:09,489 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 00:12:09,562 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 00:12:09,966 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_spec1_product12.cil.c[58861,58874] [2023-04-03 00:12:09,977 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 00:12:09,996 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 00:12:10,119 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_spec1_product12.cil.c[58861,58874] [2023-04-03 00:12:10,133 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 00:12:10,163 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-04-03 00:12:10,193 INFO L208 MainTranslator]: Completed translation [2023-04-03 00:12:10,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:12:10 WrapperNode [2023-04-03 00:12:10,194 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 00:12:10,202 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 00:12:10,202 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 00:12:10,202 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 00:12:10,213 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:12:10" (1/1) ... [2023-04-03 00:12:10,213 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:12:10" (1/1) ... [2023-04-03 00:12:10,274 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:12:10" (1/1) ... [2023-04-03 00:12:10,274 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:12:10" (1/1) ... [2023-04-03 00:12:10,329 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:12:10" (1/1) ... [2023-04-03 00:12:10,345 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:12:10" (1/1) ... [2023-04-03 00:12:10,352 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:12:10" (1/1) ... [2023-04-03 00:12:10,376 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:12:10" (1/1) ... [2023-04-03 00:12:10,396 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 00:12:10,397 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 00:12:10,397 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 00:12:10,398 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 00:12:10,398 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:12:10" (1/1) ... [2023-04-03 00:12:10,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 00:12:10,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 00:12:10,434 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-03 00:12:10,453 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-03 00:12:10,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 00:12:10,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 00:12:10,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-03 00:12:10,476 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 00:12:10,476 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-03 00:12:10,477 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-03 00:12:10,477 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-03 00:12:10,477 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-03 00:12:10,477 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-03 00:12:10,477 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2023-04-03 00:12:10,477 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-04-03 00:12:10,477 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2023-04-03 00:12:10,477 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-04-03 00:12:10,477 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2023-04-03 00:12:10,477 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-04-03 00:12:10,478 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-04-03 00:12:10,478 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-04-03 00:12:10,478 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-03 00:12:10,478 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 00:12:10,478 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2023-04-03 00:12:10,478 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2023-04-03 00:12:10,478 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2023-04-03 00:12:10,478 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2023-04-03 00:12:10,478 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-04-03 00:12:10,478 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2023-04-03 00:12:10,478 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2023-04-03 00:12:10,479 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2023-04-03 00:12:10,479 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2023-04-03 00:12:10,479 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-04-03 00:12:10,479 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-04-03 00:12:10,479 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-04-03 00:12:10,479 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-04-03 00:12:10,479 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-04-03 00:12:10,479 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-04-03 00:12:10,479 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-04-03 00:12:10,479 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-04-03 00:12:10,480 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-04-03 00:12:10,480 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-04-03 00:12:10,480 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-04-03 00:12:10,480 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-04-03 00:12:10,480 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-04-03 00:12:10,480 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-04-03 00:12:10,480 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-04-03 00:12:10,480 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-04-03 00:12:10,481 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-04-03 00:12:10,481 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-04-03 00:12:10,481 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-04-03 00:12:10,481 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-04-03 00:12:10,481 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-04-03 00:12:10,481 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-04-03 00:12:10,481 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-04-03 00:12:10,481 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-04-03 00:12:10,481 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-04-03 00:12:10,482 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-04-03 00:12:10,482 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-04-03 00:12:10,482 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-04-03 00:12:10,482 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-04-03 00:12:10,482 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-04-03 00:12:10,482 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2023-04-03 00:12:10,482 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-04-03 00:12:10,482 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-04-03 00:12:10,482 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2023-04-03 00:12:10,482 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-04-03 00:12:10,483 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-04-03 00:12:10,483 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-04-03 00:12:10,483 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-04-03 00:12:10,483 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-04-03 00:12:10,483 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-04-03 00:12:10,483 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-04-03 00:12:10,483 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-04-03 00:12:10,483 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-04-03 00:12:10,483 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-04-03 00:12:10,484 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-04-03 00:12:10,484 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-04-03 00:12:10,484 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-04-03 00:12:10,484 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-04-03 00:12:10,484 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-04-03 00:12:10,484 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-04-03 00:12:10,484 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-04-03 00:12:10,484 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-04-03 00:12:10,484 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-04-03 00:12:10,485 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-04-03 00:12:10,485 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-04-03 00:12:10,485 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-04-03 00:12:10,485 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-04-03 00:12:10,485 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-04-03 00:12:10,485 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-04-03 00:12:10,485 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-04-03 00:12:10,485 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-04-03 00:12:10,485 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-04-03 00:12:10,485 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-04-03 00:12:10,486 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-04-03 00:12:10,486 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-04-03 00:12:10,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-03 00:12:10,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-03 00:12:10,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-03 00:12:10,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-03 00:12:10,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-03 00:12:10,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-03 00:12:10,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-03 00:12:10,487 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2023-04-03 00:12:10,487 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-04-03 00:12:10,487 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2023-04-03 00:12:10,487 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-04-03 00:12:10,487 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-04-03 00:12:10,487 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-04-03 00:12:10,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__AddressBookEncrypt_spec__1 [2023-04-03 00:12:10,487 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 00:12:10,487 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 00:12:10,487 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 00:12:10,488 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 00:12:10,488 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 00:12:10,488 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2023-04-03 00:12:10,488 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2023-04-03 00:12:10,488 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2023-04-03 00:12:10,488 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2023-04-03 00:12:10,488 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2023-04-03 00:12:10,488 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-04-03 00:12:10,488 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2023-04-03 00:12:10,488 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-04-03 00:12:10,489 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-03 00:12:10,489 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-03 00:12:10,489 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-03 00:12:10,489 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-03 00:12:10,489 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-03 00:12:10,489 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-03 00:12:10,489 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-04-03 00:12:10,489 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-04-03 00:12:10,489 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-04-03 00:12:10,490 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-04-03 00:12:10,490 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-04-03 00:12:10,490 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-04-03 00:12:10,490 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-04-03 00:12:10,490 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-04-03 00:12:10,490 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-04-03 00:12:10,490 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-04-03 00:12:10,490 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-04-03 00:12:10,490 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-04-03 00:12:10,490 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-04-03 00:12:10,491 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-04-03 00:12:10,491 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-04-03 00:12:10,491 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-04-03 00:12:10,491 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-04-03 00:12:10,491 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-04-03 00:12:10,491 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-03 00:12:10,491 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 00:12:10,491 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2023-04-03 00:12:10,491 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2023-04-03 00:12:10,491 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2023-04-03 00:12:10,492 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2023-04-03 00:12:10,492 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2023-04-03 00:12:10,492 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-04-03 00:12:10,492 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-04-03 00:12:10,492 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-04-03 00:12:10,492 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-04-03 00:12:10,492 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-04-03 00:12:10,492 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-04-03 00:12:10,492 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-04-03 00:12:10,492 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-04-03 00:12:10,493 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-04-03 00:12:10,493 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-04-03 00:12:10,493 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-04-03 00:12:10,493 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-04-03 00:12:10,493 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-04-03 00:12:10,493 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-04-03 00:12:10,493 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-04-03 00:12:10,493 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-04-03 00:12:10,493 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-04-03 00:12:10,493 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-04-03 00:12:10,494 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-04-03 00:12:10,494 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-04-03 00:12:10,494 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-04-03 00:12:10,494 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-04-03 00:12:10,494 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-04-03 00:12:10,494 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-04-03 00:12:10,494 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-04-03 00:12:10,494 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-04-03 00:12:10,494 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-04-03 00:12:10,494 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-04-03 00:12:10,495 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-04-03 00:12:10,495 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-04-03 00:12:10,495 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-04-03 00:12:10,495 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-04-03 00:12:10,495 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-04-03 00:12:10,495 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-04-03 00:12:10,495 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-04-03 00:12:10,495 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__AddressBookEncrypt_spec__1 [2023-04-03 00:12:10,495 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2023-04-03 00:12:10,495 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2023-04-03 00:12:10,496 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-04-03 00:12:10,496 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-04-03 00:12:10,496 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-04-03 00:12:10,496 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-04-03 00:12:10,496 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-04-03 00:12:10,496 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-04-03 00:12:10,496 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-04-03 00:12:10,496 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-04-03 00:12:10,496 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-04-03 00:12:10,496 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-04-03 00:12:10,497 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-04-03 00:12:10,497 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-04-03 00:12:10,497 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-04-03 00:12:10,497 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-04-03 00:12:10,497 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-04-03 00:12:10,497 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-04-03 00:12:10,497 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 00:12:10,497 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 00:12:10,497 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-03 00:12:10,497 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 00:12:10,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 00:12:10,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 00:12:10,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 00:12:10,498 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-03 00:12:10,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 00:12:10,498 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-03 00:12:10,498 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-03 00:12:10,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 00:12:10,498 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-03 00:12:10,498 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-03 00:12:10,499 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-03 00:12:10,499 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-03 00:12:10,499 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-04-03 00:12:10,499 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-04-03 00:12:10,499 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-04-03 00:12:10,499 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2023-04-03 00:12:10,499 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2023-04-03 00:12:10,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 00:12:10,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 00:12:10,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 00:12:10,894 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 00:12:10,898 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 00:12:12,262 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 00:12:13,531 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 00:12:13,534 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-04-03 00:12:13,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 12:12:13 BoogieIcfgContainer [2023-04-03 00:12:13,538 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 00:12:13,542 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 00:12:13,542 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 00:12:13,545 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 00:12:13,545 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 12:12:09" (1/3) ... [2023-04-03 00:12:13,546 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c0e3f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 12:12:13, skipping insertion in model container [2023-04-03 00:12:13,546 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:12:10" (2/3) ... [2023-04-03 00:12:13,546 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c0e3f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 12:12:13, skipping insertion in model container [2023-04-03 00:12:13,546 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 12:12:13" (3/3) ... [2023-04-03 00:12:13,548 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec1_product12.cil.c [2023-04-03 00:12:13,571 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 00:12:13,571 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-03 00:12:13,656 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 00:12:13,663 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;@5511d375, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 00:12:13,669 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-03 00:12:13,681 INFO L276 IsEmpty]: Start isEmpty. Operand has 311 states, 159 states have (on average 1.220125786163522) internal successors, (194), 165 states have internal predecessors, (194), 88 states have call successors, (88), 57 states have call predecessors, (88), 57 states have return successors, (88), 88 states have call predecessors, (88), 88 states have call successors, (88) [2023-04-03 00:12:13,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-04-03 00:12:13,717 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:12:13,718 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] [2023-04-03 00:12:13,719 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:12:13,730 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:12:13,730 INFO L85 PathProgramCache]: Analyzing trace with hash 363929675, now seen corresponding path program 1 times [2023-04-03 00:12:13,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:12:13,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918159312] [2023-04-03 00:12:13,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:12:13,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:12:14,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:12:14,501 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-03 00:12:14,502 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:12:14,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918159312] [2023-04-03 00:12:14,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [918159312] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:12:14,503 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:12:14,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-03 00:12:14,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996524797] [2023-04-03 00:12:14,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:12:14,509 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-03 00:12:14,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:12:14,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-03 00:12:14,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-03 00:12:14,579 INFO L87 Difference]: Start difference. First operand has 311 states, 159 states have (on average 1.220125786163522) internal successors, (194), 165 states have internal predecessors, (194), 88 states have call successors, (88), 57 states have call predecessors, (88), 57 states have return successors, (88), 88 states have call predecessors, (88), 88 states have call successors, (88) 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) [2023-04-03 00:12:14,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:12:14,820 INFO L93 Difference]: Finished difference Result 399 states and 476 transitions. [2023-04-03 00:12:14,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-03 00:12:14,838 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 [2023-04-03 00:12:14,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:12:14,854 INFO L225 Difference]: With dead ends: 399 [2023-04-03 00:12:14,855 INFO L226 Difference]: Without dead ends: 271 [2023-04-03 00:12:14,868 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-03 00:12:14,871 INFO L413 NwaCegarLoop]: 303 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 303 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 [2023-04-03 00:12:14,872 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 303 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 00:12:14,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2023-04-03 00:12:15,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 271. [2023-04-03 00:12:15,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 271 states, 140 states have (on average 1.2142857142857142) internal successors, (170), 143 states have internal predecessors, (170), 79 states have call successors, (79), 55 states have call predecessors, (79), 51 states have return successors, (74), 74 states have call predecessors, (74), 74 states have call successors, (74) [2023-04-03 00:12:15,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 323 transitions. [2023-04-03 00:12:15,081 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 323 transitions. Word has length 114 [2023-04-03 00:12:15,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:12:15,082 INFO L495 AbstractCegarLoop]: Abstraction has 271 states and 323 transitions. [2023-04-03 00:12:15,083 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) [2023-04-03 00:12:15,083 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 323 transitions. [2023-04-03 00:12:15,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-04-03 00:12:15,110 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:12:15,111 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] [2023-04-03 00:12:15,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 00:12:15,112 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:12:15,112 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:12:15,113 INFO L85 PathProgramCache]: Analyzing trace with hash -2033083226, now seen corresponding path program 1 times [2023-04-03 00:12:15,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:12:15,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139548844] [2023-04-03 00:12:15,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:12:15,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:12:15,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:12:15,556 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-03 00:12:15,557 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:12:15,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2139548844] [2023-04-03 00:12:15,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2139548844] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:12:15,558 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:12:15,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 00:12:15,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294089201] [2023-04-03 00:12:15,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:12:15,559 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 00:12:15,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:12:15,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 00:12:15,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 00:12:15,561 INFO L87 Difference]: Start difference. First operand 271 states and 323 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) [2023-04-03 00:12:15,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:12:15,915 INFO L93 Difference]: Finished difference Result 384 states and 448 transitions. [2023-04-03 00:12:15,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 00:12:15,916 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 [2023-04-03 00:12:15,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:12:15,924 INFO L225 Difference]: With dead ends: 384 [2023-04-03 00:12:15,924 INFO L226 Difference]: Without dead ends: 273 [2023-04-03 00:12:15,925 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 00:12:15,926 INFO L413 NwaCegarLoop]: 294 mSDtfsCounter, 0 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 586 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-03 00:12:15,927 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 586 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-03 00:12:15,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2023-04-03 00:12:15,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 273. [2023-04-03 00:12:16,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 142 states have (on average 1.2112676056338028) internal successors, (172), 145 states have internal predecessors, (172), 79 states have call successors, (79), 55 states have call predecessors, (79), 51 states have return successors, (74), 74 states have call predecessors, (74), 74 states have call successors, (74) [2023-04-03 00:12:16,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 325 transitions. [2023-04-03 00:12:16,014 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 325 transitions. Word has length 115 [2023-04-03 00:12:16,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:12:16,015 INFO L495 AbstractCegarLoop]: Abstraction has 273 states and 325 transitions. [2023-04-03 00:12:16,015 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) [2023-04-03 00:12:16,015 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 325 transitions. [2023-04-03 00:12:16,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-04-03 00:12:16,020 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:12:16,020 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] [2023-04-03 00:12:16,020 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 00:12:16,020 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:12:16,023 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:12:16,023 INFO L85 PathProgramCache]: Analyzing trace with hash 1587300897, now seen corresponding path program 1 times [2023-04-03 00:12:16,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:12:16,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606725366] [2023-04-03 00:12:16,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:12:16,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:12:16,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:12:16,287 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-03 00:12:16,287 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:12:16,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606725366] [2023-04-03 00:12:16,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1606725366] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:12:16,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:12:16,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 00:12:16,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640588597] [2023-04-03 00:12:16,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:12:16,291 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 00:12:16,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:12:16,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 00:12:16,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 00:12:16,297 INFO L87 Difference]: Start difference. First operand 273 states and 325 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) [2023-04-03 00:12:16,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:12:16,464 INFO L93 Difference]: Finished difference Result 526 states and 654 transitions. [2023-04-03 00:12:16,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 00:12:16,465 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 [2023-04-03 00:12:16,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:12:16,467 INFO L225 Difference]: With dead ends: 526 [2023-04-03 00:12:16,467 INFO L226 Difference]: Without dead ends: 311 [2023-04-03 00:12:16,469 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 00:12:16,470 INFO L413 NwaCegarLoop]: 303 mSDtfsCounter, 51 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 590 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 [2023-04-03 00:12:16,471 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 590 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 00:12:16,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2023-04-03 00:12:16,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 310. [2023-04-03 00:12:16,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 172 states have (on average 1.2965116279069768) internal successors, (223), 175 states have internal predecessors, (223), 86 states have call successors, (86), 55 states have call predecessors, (86), 51 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2023-04-03 00:12:16,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 390 transitions. [2023-04-03 00:12:16,521 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 390 transitions. Word has length 120 [2023-04-03 00:12:16,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:12:16,522 INFO L495 AbstractCegarLoop]: Abstraction has 310 states and 390 transitions. [2023-04-03 00:12:16,522 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) [2023-04-03 00:12:16,522 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 390 transitions. [2023-04-03 00:12:16,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-04-03 00:12:16,524 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:12:16,524 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] [2023-04-03 00:12:16,524 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-03 00:12:16,524 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:12:16,525 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:12:16,525 INFO L85 PathProgramCache]: Analyzing trace with hash 1687351813, now seen corresponding path program 1 times [2023-04-03 00:12:16,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:12:16,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737519290] [2023-04-03 00:12:16,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:12:16,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:12:16,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:12:16,919 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-03 00:12:16,919 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:12:16,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737519290] [2023-04-03 00:12:16,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [737519290] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 00:12:16,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2100930879] [2023-04-03 00:12:16,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:12:16,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 00:12:16,921 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 00:12:16,925 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-03 00:12:16,963 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-03 00:12:17,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:12:17,656 INFO L262 TraceCheckSpWp]: Trace formula consists of 1855 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-03 00:12:17,686 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 00:12:17,819 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-03 00:12:17,820 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 00:12:18,095 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-03 00:12:18,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2100930879] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-03 00:12:18,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [380004117] [2023-04-03 00:12:18,153 INFO L159 IcfgInterpreter]: Started Sifa with 110 locations of interest [2023-04-03 00:12:18,153 INFO L166 IcfgInterpreter]: Building call graph [2023-04-03 00:12:18,159 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-03 00:12:18,164 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-03 00:12:18,165 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-03 00:12:23,550 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 340 for LOIs [2023-04-03 00:12:24,321 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 299 for LOIs [2023-04-03 00:12:31,246 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 250 for LOIs [2023-04-03 00:12:36,875 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh with input of size 241 for LOIs [2023-04-03 00:12:39,546 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh__wrappee__Base with input of size 232 for LOIs [2023-04-03 00:12:40,717 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck with input of size 242 for LOIs [2023-04-03 00:12:42,839 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck__wrappee__Base with input of size 233 for LOIs [2023-04-03 00:12:44,075 INFO L197 IcfgInterpreter]: Interpreting procedure setup_bob with input of size 246 for LOIs