/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/automizer/svcomp-Reach-32bit-Automizer_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml -i ../sv-benchmarks/c/product-lines/email_spec0_productSimulator.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 00:56:40,928 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 00:56:40,929 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 00:56:40,949 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 00:56:40,950 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 00:56:40,950 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 00:56:40,951 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 00:56:40,952 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 00:56:40,953 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 00:56:40,953 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 00:56:40,954 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 00:56:40,955 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 00:56:40,955 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 00:56:40,956 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 00:56:40,956 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 00:56:40,957 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 00:56:40,957 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 00:56:40,958 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 00:56:40,959 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 00:56:40,960 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 00:56:40,960 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 00:56:40,973 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 00:56:40,974 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 00:56:40,974 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 00:56:40,984 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 00:56:40,984 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 00:56:40,984 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 00:56:40,985 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 00:56:40,985 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 00:56:40,986 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 00:56:40,986 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 00:56:40,987 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 00:56:40,988 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 00:56:40,988 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 00:56:40,989 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 00:56:40,989 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 00:56:40,990 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 00:56:40,990 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 00:56:40,990 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 00:56:40,991 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 00:56:40,991 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 00:56:40,992 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-03-31 00:56:41,012 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 00:56:41,012 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 00:56:41,012 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 00:56:41,012 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 00:56:41,013 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 00:56:41,013 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 00:56:41,013 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-31 00:56:41,013 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-31 00:56:41,013 INFO L138 SettingsManager]: * Use SBE=true [2023-03-31 00:56:41,013 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 00:56:41,013 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 00:56:41,014 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 00:56:41,014 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 00:56:41,014 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 00:56:41,014 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 00:56:41,014 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 00:56:41,014 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 00:56:41,014 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 00:56:41,014 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 00:56:41,014 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 00:56:41,014 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 00:56:41,014 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 00:56:41,014 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-31 00:56:41,014 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 00:56:41,015 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 00:56:41,015 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 00:56:41,015 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 00:56:41,015 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 00:56:41,015 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-31 00:56:41,015 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 00:56:41,015 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-03-31 00:56:41,015 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 00:56:41,015 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-03-31 00:56:41,015 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-03-31 00:56:41,015 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-03-31 00:56:41,016 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-03-31 00:56:41,180 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 00:56:41,201 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 00:56:41,203 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 00:56:41,203 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 00:56:41,204 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 00:56:41,204 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec0_productSimulator.cil.c [2023-03-31 00:56:42,239 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 00:56:42,497 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 00:56:42,498 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_productSimulator.cil.c [2023-03-31 00:56:42,523 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78f299ee1/42857ba57639476fb1aed4280c2748cd/FLAG1ff60286a [2023-03-31 00:56:42,534 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78f299ee1/42857ba57639476fb1aed4280c2748cd [2023-03-31 00:56:42,536 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 00:56:42,536 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 00:56:42,537 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 00:56:42,537 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 00:56:42,542 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 00:56:42,543 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 12:56:42" (1/1) ... [2023-03-31 00:56:42,544 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29709349 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:56:42, skipping insertion in model container [2023-03-31 00:56:42,544 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 12:56:42" (1/1) ... [2023-03-31 00:56:42,555 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 00:56:42,614 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 00:56:42,873 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_productSimulator.cil.c[14867,14880] [2023-03-31 00:56:43,050 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 00:56:43,061 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 00:56:43,086 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_productSimulator.cil.c[14867,14880] [2023-03-31 00:56:43,129 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 00:56:43,156 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-03-31 00:56:43,162 INFO L208 MainTranslator]: Completed translation [2023-03-31 00:56:43,163 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:56:43 WrapperNode [2023-03-31 00:56:43,163 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 00:56:43,164 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 00:56:43,164 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 00:56:43,164 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 00:56:43,174 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:56:43" (1/1) ... [2023-03-31 00:56:43,174 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:56:43" (1/1) ... [2023-03-31 00:56:43,198 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:56:43" (1/1) ... [2023-03-31 00:56:43,198 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:56:43" (1/1) ... [2023-03-31 00:56:43,240 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:56:43" (1/1) ... [2023-03-31 00:56:43,261 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:56:43" (1/1) ... [2023-03-31 00:56:43,269 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:56:43" (1/1) ... [2023-03-31 00:56:43,275 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:56:43" (1/1) ... [2023-03-31 00:56:43,286 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 00:56:43,286 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 00:56:43,286 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 00:56:43,286 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 00:56:43,287 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:56:43" (1/1) ... [2023-03-31 00:56:43,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 00:56:43,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 00:56:43,312 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) [2023-03-31 00:56:43,356 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 [2023-03-31 00:56:43,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 00:56:43,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 00:56:43,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-03-31 00:56:43,377 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 00:56:43,378 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-03-31 00:56:43,378 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-03-31 00:56:43,378 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-03-31 00:56:43,378 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-03-31 00:56:43,378 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-03-31 00:56:43,378 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Encrypt [2023-03-31 00:56:43,379 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__Encrypt [2023-03-31 00:56:43,379 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__AddressBook [2023-03-31 00:56:43,379 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__AddressBook [2023-03-31 00:56:43,379 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Sign [2023-03-31 00:56:43,379 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__Sign [2023-03-31 00:56:43,379 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-03-31 00:56:43,379 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-03-31 00:56:43,379 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__AutoResponder [2023-03-31 00:56:43,379 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__AutoResponder [2023-03-31 00:56:43,379 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Forward [2023-03-31 00:56:43,379 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Forward [2023-03-31 00:56:43,380 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Verify [2023-03-31 00:56:43,380 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Verify [2023-03-31 00:56:43,380 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Decrypt [2023-03-31 00:56:43,380 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Decrypt [2023-03-31 00:56:43,380 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-03-31 00:56:43,380 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-03-31 00:56:43,380 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-03-31 00:56:43,380 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-03-31 00:56:43,380 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-03-31 00:56:43,380 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-03-31 00:56:43,380 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-03-31 00:56:43,381 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-03-31 00:56:43,381 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-03-31 00:56:43,381 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2023-03-31 00:56:43,381 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2023-03-31 00:56:43,381 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2023-03-31 00:56:43,381 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2023-03-31 00:56:43,381 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2023-03-31 00:56:43,381 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-03-31 00:56:43,381 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-03-31 00:56:43,381 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-03-31 00:56:43,381 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-03-31 00:56:43,382 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-03-31 00:56:43,382 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-03-31 00:56:43,382 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-03-31 00:56:43,382 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-03-31 00:56:43,382 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-03-31 00:56:43,382 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-03-31 00:56:43,382 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-03-31 00:56:43,383 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-03-31 00:56:43,383 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-03-31 00:56:43,383 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-03-31 00:56:43,384 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-03-31 00:56:43,384 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-03-31 00:56:43,384 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-03-31 00:56:43,384 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-03-31 00:56:43,384 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-03-31 00:56:43,385 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-03-31 00:56:43,385 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-03-31 00:56:43,385 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-03-31 00:56:43,385 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-03-31 00:56:43,385 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-03-31 00:56:43,385 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-03-31 00:56:43,386 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-03-31 00:56:43,386 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-03-31 00:56:43,386 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-03-31 00:56:43,386 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-03-31 00:56:43,386 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-03-31 00:56:43,386 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-03-31 00:56:43,386 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-03-31 00:56:43,386 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-03-31 00:56:43,386 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-03-31 00:56:43,386 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-03-31 00:56:43,386 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-03-31 00:56:43,386 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-03-31 00:56:43,387 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-03-31 00:56:43,387 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-03-31 00:56:43,387 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-03-31 00:56:43,387 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-03-31 00:56:43,387 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-03-31 00:56:43,388 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-03-31 00:56:43,388 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-03-31 00:56:43,388 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-03-31 00:56:43,388 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-03-31 00:56:43,388 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-03-31 00:56:43,388 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-03-31 00:56:43,389 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-03-31 00:56:43,389 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-03-31 00:56:43,389 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-03-31 00:56:43,389 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-03-31 00:56:43,389 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__before__Keys [2023-03-31 00:56:43,389 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__role__Keys [2023-03-31 00:56:43,390 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-03-31 00:56:43,390 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__before__Keys [2023-03-31 00:56:43,390 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__role__Keys [2023-03-31 00:56:43,390 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-03-31 00:56:43,390 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__before__Keys [2023-03-31 00:56:43,390 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__role__Keys [2023-03-31 00:56:43,390 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-03-31 00:56:43,390 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-03-31 00:56:43,390 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-03-31 00:56:43,390 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-03-31 00:56:43,390 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 00:56:43,390 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2023-03-31 00:56:43,391 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2023-03-31 00:56:43,391 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2023-03-31 00:56:43,391 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2023-03-31 00:56:43,391 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-03-31 00:56:43,391 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2023-03-31 00:56:43,391 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2023-03-31 00:56:43,391 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2023-03-31 00:56:43,391 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2023-03-31 00:56:43,391 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2023-03-31 00:56:43,392 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2023-03-31 00:56:43,392 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2023-03-31 00:56:43,392 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-03-31 00:56:43,392 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptForward_spec__1 [2023-03-31 00:56:43,392 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Encrypt [2023-03-31 00:56:43,392 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Encrypt [2023-03-31 00:56:43,392 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Sign [2023-03-31 00:56:43,392 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Sign [2023-03-31 00:56:43,393 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Verify [2023-03-31 00:56:43,393 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Verify [2023-03-31 00:56:43,394 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-03-31 00:56:43,394 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__before__Encrypt [2023-03-31 00:56:43,394 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__role__Encrypt [2023-03-31 00:56:43,395 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-03-31 00:56:43,397 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-03-31 00:56:43,403 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-03-31 00:56:43,403 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-03-31 00:56:43,403 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-03-31 00:56:43,403 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-03-31 00:56:43,403 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-03-31 00:56:43,403 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-03-31 00:56:43,403 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-03-31 00:56:43,403 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 00:56:43,403 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 00:56:43,404 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 00:56:43,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 00:56:43,404 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-31 00:56:43,404 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-03-31 00:56:43,404 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-03-31 00:56:43,404 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-03-31 00:56:43,404 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-03-31 00:56:43,404 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-03-31 00:56:43,404 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-03-31 00:56:43,404 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-03-31 00:56:43,404 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-03-31 00:56:43,404 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-03-31 00:56:43,404 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-03-31 00:56:43,404 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-03-31 00:56:43,405 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-03-31 00:56:43,405 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-03-31 00:56:43,405 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-03-31 00:56:43,405 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-03-31 00:56:43,405 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-03-31 00:56:43,405 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-03-31 00:56:43,405 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-03-31 00:56:43,405 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-03-31 00:56:43,405 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-03-31 00:56:43,405 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-03-31 00:56:43,405 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-03-31 00:56:43,405 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-03-31 00:56:43,405 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-03-31 00:56:43,406 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-03-31 00:56:43,406 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-03-31 00:56:43,406 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-03-31 00:56:43,406 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-03-31 00:56:43,406 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-03-31 00:56:43,406 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-03-31 00:56:43,406 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-03-31 00:56:43,406 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-03-31 00:56:43,406 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-03-31 00:56:43,406 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-03-31 00:56:43,406 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-03-31 00:56:43,406 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-03-31 00:56:43,406 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-03-31 00:56:43,406 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-03-31 00:56:43,407 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-03-31 00:56:43,407 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-03-31 00:56:43,407 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-03-31 00:56:43,407 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-03-31 00:56:43,407 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-03-31 00:56:43,407 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2023-03-31 00:56:43,408 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2023-03-31 00:56:43,408 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2023-03-31 00:56:43,408 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2023-03-31 00:56:43,408 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2023-03-31 00:56:43,408 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Encrypt [2023-03-31 00:56:43,408 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__Encrypt [2023-03-31 00:56:43,408 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__AddressBook [2023-03-31 00:56:43,408 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__AddressBook [2023-03-31 00:56:43,408 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Sign [2023-03-31 00:56:43,408 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__Sign [2023-03-31 00:56:43,408 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__AutoResponder [2023-03-31 00:56:43,408 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__AutoResponder [2023-03-31 00:56:43,408 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Forward [2023-03-31 00:56:43,408 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Forward [2023-03-31 00:56:43,409 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Verify [2023-03-31 00:56:43,409 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Verify [2023-03-31 00:56:43,409 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Decrypt [2023-03-31 00:56:43,409 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Decrypt [2023-03-31 00:56:43,409 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptForward_spec__1 [2023-03-31 00:56:43,409 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-03-31 00:56:43,409 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-03-31 00:56:43,409 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-03-31 00:56:43,409 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-03-31 00:56:43,409 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-03-31 00:56:43,409 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-03-31 00:56:43,409 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-03-31 00:56:43,409 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-03-31 00:56:43,410 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-03-31 00:56:43,410 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-03-31 00:56:43,410 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-03-31 00:56:43,410 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-03-31 00:56:43,410 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-03-31 00:56:43,410 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-03-31 00:56:43,410 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-03-31 00:56:43,410 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-03-31 00:56:43,410 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-03-31 00:56:43,410 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-03-31 00:56:43,410 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-03-31 00:56:43,410 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-03-31 00:56:43,410 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-03-31 00:56:43,410 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-03-31 00:56:43,411 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-03-31 00:56:43,411 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-03-31 00:56:43,411 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-03-31 00:56:43,411 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-03-31 00:56:43,411 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-03-31 00:56:43,411 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-03-31 00:56:43,411 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-03-31 00:56:43,411 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-03-31 00:56:43,411 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-03-31 00:56:43,411 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-03-31 00:56:43,411 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-03-31 00:56:43,411 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-03-31 00:56:43,411 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-03-31 00:56:43,411 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-03-31 00:56:43,412 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-03-31 00:56:43,412 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 00:56:43,412 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2023-03-31 00:56:43,412 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2023-03-31 00:56:43,412 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2023-03-31 00:56:43,412 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2023-03-31 00:56:43,412 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-03-31 00:56:43,412 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2023-03-31 00:56:43,412 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2023-03-31 00:56:43,412 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2023-03-31 00:56:43,412 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2023-03-31 00:56:43,412 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2023-03-31 00:56:43,412 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2023-03-31 00:56:43,413 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2023-03-31 00:56:43,413 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__before__Keys [2023-03-31 00:56:43,416 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__role__Keys [2023-03-31 00:56:43,417 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__before__Keys [2023-03-31 00:56:43,418 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__role__Keys [2023-03-31 00:56:43,418 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__before__Keys [2023-03-31 00:56:43,418 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__role__Keys [2023-03-31 00:56:43,418 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-03-31 00:56:43,418 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Encrypt [2023-03-31 00:56:43,418 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Encrypt [2023-03-31 00:56:43,418 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Sign [2023-03-31 00:56:43,418 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Sign [2023-03-31 00:56:43,418 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Verify [2023-03-31 00:56:43,418 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Verify [2023-03-31 00:56:43,418 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__before__Encrypt [2023-03-31 00:56:43,418 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__role__Encrypt [2023-03-31 00:56:43,418 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-03-31 00:56:43,419 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-03-31 00:56:43,419 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-03-31 00:56:43,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-03-31 00:56:43,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-03-31 00:56:43,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 00:56:43,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-03-31 00:56:43,419 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-03-31 00:56:43,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 00:56:43,419 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-03-31 00:56:43,419 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-03-31 00:56:43,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 00:56:43,419 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-03-31 00:56:43,419 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-03-31 00:56:43,420 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-03-31 00:56:43,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 00:56:43,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 00:56:43,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 00:56:43,815 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 00:56:43,818 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 00:56:44,709 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 00:56:44,717 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 00:56:44,717 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-03-31 00:56:44,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 12:56:44 BoogieIcfgContainer [2023-03-31 00:56:44,719 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 00:56:44,721 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-31 00:56:44,721 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-31 00:56:44,723 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-31 00:56:44,723 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.03 12:56:42" (1/3) ... [2023-03-31 00:56:44,723 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a19fd01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 12:56:44, skipping insertion in model container [2023-03-31 00:56:44,723 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:56:43" (2/3) ... [2023-03-31 00:56:44,723 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a19fd01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 12:56:44, skipping insertion in model container [2023-03-31 00:56:44,723 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 12:56:44" (3/3) ... [2023-03-31 00:56:44,724 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec0_productSimulator.cil.c [2023-03-31 00:56:44,734 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-31 00:56:44,734 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-31 00:56:44,784 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-31 00:56:44,789 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=PETRI_NET, 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;@1e1519bb, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-03-31 00:56:44,789 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-31 00:56:44,796 INFO L276 IsEmpty]: Start isEmpty. Operand has 811 states, 520 states have (on average 1.4442307692307692) internal successors, (751), 555 states have internal predecessors, (751), 178 states have call successors, (178), 107 states have call predecessors, (178), 107 states have return successors, (178), 164 states have call predecessors, (178), 178 states have call successors, (178) [2023-03-31 00:56:44,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2023-03-31 00:56:44,820 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:56:44,821 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 00:56:44,821 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:56:44,825 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:56:44,826 INFO L85 PathProgramCache]: Analyzing trace with hash 605048599, now seen corresponding path program 1 times [2023-03-31 00:56:44,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:56:44,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673685020] [2023-03-31 00:56:44,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:56:44,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:56:45,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:45,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:56:45,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:45,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:56:45,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:45,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:56:45,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:46,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:56:46,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:46,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-03-31 00:56:46,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:46,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:56:46,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:46,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-03-31 00:56:46,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:46,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 00:56:46,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:46,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-03-31 00:56:46,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:46,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-03-31 00:56:46,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:46,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-03-31 00:56:46,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:46,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-03-31 00:56:46,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:46,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-03-31 00:56:46,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:46,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:46,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:46,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 00:56:46,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:46,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:46,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:46,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-03-31 00:56:46,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:46,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 00:56:46,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:46,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:46,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:46,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-03-31 00:56:46,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:46,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 00:56:46,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:46,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:46,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:46,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-03-31 00:56:46,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:46,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:46,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:46,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:56:46,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:46,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-03-31 00:56:46,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:46,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-03-31 00:56:46,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:46,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-03-31 00:56:46,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:46,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-03-31 00:56:46,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:46,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 00:56:46,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:46,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:46,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:46,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-03-31 00:56:46,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:46,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2023-03-31 00:56:46,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:46,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2023-03-31 00:56:46,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:46,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 00:56:46,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:46,246 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2023-03-31 00:56:46,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:56:46,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673685020] [2023-03-31 00:56:46,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [673685020] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:56:46,247 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 00:56:46,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2023-03-31 00:56:46,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386618238] [2023-03-31 00:56:46,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:56:46,252 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-03-31 00:56:46,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:56:46,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-03-31 00:56:46,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2023-03-31 00:56:46,273 INFO L87 Difference]: Start difference. First operand has 811 states, 520 states have (on average 1.4442307692307692) internal successors, (751), 555 states have internal predecessors, (751), 178 states have call successors, (178), 107 states have call predecessors, (178), 107 states have return successors, (178), 164 states have call predecessors, (178), 178 states have call successors, (178) Second operand has 16 states, 15 states have (on average 7.066666666666666) internal successors, (106), 5 states have internal predecessors, (106), 3 states have call successors, (51), 12 states have call predecessors, (51), 2 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2023-03-31 00:57:01,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:57:01,755 INFO L93 Difference]: Finished difference Result 2129 states and 3219 transitions. [2023-03-31 00:57:01,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-03-31 00:57:01,757 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 7.066666666666666) internal successors, (106), 5 states have internal predecessors, (106), 3 states have call successors, (51), 12 states have call predecessors, (51), 2 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 218 [2023-03-31 00:57:01,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:57:01,774 INFO L225 Difference]: With dead ends: 2129 [2023-03-31 00:57:01,774 INFO L226 Difference]: Without dead ends: 1284 [2023-03-31 00:57:01,780 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 581 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=572, Invalid=1684, Unknown=0, NotChecked=0, Total=2256 [2023-03-31 00:57:01,782 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 5168 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 7645 mSolverCounterSat, 2746 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5226 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 10391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2746 IncrementalHoareTripleChecker+Valid, 7645 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.7s IncrementalHoareTripleChecker+Time [2023-03-31 00:57:01,783 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5226 Valid, 176 Invalid, 10391 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2746 Valid, 7645 Invalid, 0 Unknown, 0 Unchecked, 12.7s Time] [2023-03-31 00:57:01,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1284 states. [2023-03-31 00:57:02,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1284 to 782. [2023-03-31 00:57:02,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 782 states, 505 states have (on average 1.4316831683168316) internal successors, (723), 537 states have internal predecessors, (723), 173 states have call successors, (173), 107 states have call predecessors, (173), 103 states have return successors, (168), 154 states have call predecessors, (168), 168 states have call successors, (168) [2023-03-31 00:57:02,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 782 states to 782 states and 1064 transitions. [2023-03-31 00:57:02,276 INFO L78 Accepts]: Start accepts. Automaton has 782 states and 1064 transitions. Word has length 218 [2023-03-31 00:57:02,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:57:02,277 INFO L495 AbstractCegarLoop]: Abstraction has 782 states and 1064 transitions. [2023-03-31 00:57:02,277 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 7.066666666666666) internal successors, (106), 5 states have internal predecessors, (106), 3 states have call successors, (51), 12 states have call predecessors, (51), 2 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2023-03-31 00:57:02,277 INFO L276 IsEmpty]: Start isEmpty. Operand 782 states and 1064 transitions. [2023-03-31 00:57:02,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2023-03-31 00:57:02,283 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:57:02,283 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 00:57:02,283 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-31 00:57:02,283 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:57:02,284 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:57:02,284 INFO L85 PathProgramCache]: Analyzing trace with hash -1358290150, now seen corresponding path program 1 times [2023-03-31 00:57:02,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:57:02,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852161109] [2023-03-31 00:57:02,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:57:02,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:57:02,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:03,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:57:03,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:03,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:57:03,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:03,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:57:03,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:03,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:57:03,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:03,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-03-31 00:57:03,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:03,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:57:03,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:03,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-03-31 00:57:03,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:03,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 00:57:03,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:03,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-03-31 00:57:03,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:03,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-03-31 00:57:03,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:03,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-03-31 00:57:03,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:03,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-03-31 00:57:03,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:03,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-03-31 00:57:03,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:03,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:03,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:03,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 00:57:03,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:03,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:03,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:03,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-03-31 00:57:03,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:03,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 00:57:03,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:03,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:03,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:03,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-03-31 00:57:03,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:03,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 00:57:03,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:03,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:03,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:03,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-03-31 00:57:03,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:03,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:03,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:03,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:57:03,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:03,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-03-31 00:57:03,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:03,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-03-31 00:57:03,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:03,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-03-31 00:57:03,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:03,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-03-31 00:57:03,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:03,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 00:57:03,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:03,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:03,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:03,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2023-03-31 00:57:03,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:03,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2023-03-31 00:57:03,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:03,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-03-31 00:57:03,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:03,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 00:57:03,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:03,578 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2023-03-31 00:57:03,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:57:03,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852161109] [2023-03-31 00:57:03,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [852161109] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 00:57:03,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2086057929] [2023-03-31 00:57:03,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:57:03,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 00:57:03,579 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 00:57:03,582 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) [2023-03-31 00:57:03,589 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-03-31 00:57:04,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:04,057 INFO L262 TraceCheckSpWp]: Trace formula consists of 2892 conjuncts, 2 conjunts are in the unsatisfiable core [2023-03-31 00:57:04,070 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 00:57:04,123 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2023-03-31 00:57:04,123 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 00:57:04,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2086057929] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:57:04,123 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 00:57:04,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [19] total 20 [2023-03-31 00:57:04,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981533231] [2023-03-31 00:57:04,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:57:04,124 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 00:57:04,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:57:04,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 00:57:04,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2023-03-31 00:57:04,125 INFO L87 Difference]: Start difference. First operand 782 states and 1064 transitions. Second operand has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2023-03-31 00:57:04,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:57:04,560 INFO L93 Difference]: Finished difference Result 1217 states and 1629 transitions. [2023-03-31 00:57:04,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 00:57:04,560 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 224 [2023-03-31 00:57:04,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:57:04,565 INFO L225 Difference]: With dead ends: 1217 [2023-03-31 00:57:04,565 INFO L226 Difference]: Without dead ends: 785 [2023-03-31 00:57:04,567 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 300 GetRequests, 282 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2023-03-31 00:57:04,567 INFO L413 NwaCegarLoop]: 1062 mSDtfsCounter, 1 mSDsluCounter, 1060 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 2122 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-03-31 00:57:04,568 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 2122 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-03-31 00:57:04,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 785 states. [2023-03-31 00:57:04,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 785 to 784. [2023-03-31 00:57:04,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 784 states, 507 states have (on average 1.4299802761341223) internal successors, (725), 539 states have internal predecessors, (725), 173 states have call successors, (173), 107 states have call predecessors, (173), 103 states have return successors, (168), 154 states have call predecessors, (168), 168 states have call successors, (168) [2023-03-31 00:57:04,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 784 states and 1066 transitions. [2023-03-31 00:57:04,963 INFO L78 Accepts]: Start accepts. Automaton has 784 states and 1066 transitions. Word has length 224 [2023-03-31 00:57:04,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:57:04,964 INFO L495 AbstractCegarLoop]: Abstraction has 784 states and 1066 transitions. [2023-03-31 00:57:04,964 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2023-03-31 00:57:04,964 INFO L276 IsEmpty]: Start isEmpty. Operand 784 states and 1066 transitions. [2023-03-31 00:57:04,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2023-03-31 00:57:04,967 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:57:04,967 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 00:57:04,979 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-03-31 00:57:05,176 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 00:57:05,177 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:57:05,177 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:57:05,177 INFO L85 PathProgramCache]: Analyzing trace with hash 996713955, now seen corresponding path program 1 times [2023-03-31 00:57:05,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:57:05,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324187099] [2023-03-31 00:57:05,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:57:05,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:57:05,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:05,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:57:05,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:05,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:57:05,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:05,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:57:05,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:05,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:57:05,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:05,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-03-31 00:57:05,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:05,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:57:05,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:05,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-03-31 00:57:05,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:05,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 00:57:05,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:05,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-03-31 00:57:05,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:05,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-03-31 00:57:05,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:05,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-03-31 00:57:05,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:05,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-03-31 00:57:05,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:05,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-03-31 00:57:05,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:06,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:06,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:06,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 00:57:06,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:06,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:06,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:06,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-03-31 00:57:06,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:06,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 00:57:06,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:06,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:06,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:06,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-03-31 00:57:06,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:06,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 00:57:06,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:06,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:06,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:06,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-03-31 00:57:06,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:06,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:06,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:06,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:57:06,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:06,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-03-31 00:57:06,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:06,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-03-31 00:57:06,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:06,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2023-03-31 00:57:06,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:06,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-03-31 00:57:06,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:06,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 00:57:06,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:06,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:06,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:06,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2023-03-31 00:57:06,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:06,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2023-03-31 00:57:06,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:06,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2023-03-31 00:57:06,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:06,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 00:57:06,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:06,184 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-03-31 00:57:06,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:57:06,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324187099] [2023-03-31 00:57:06,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [324187099] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 00:57:06,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1620470259] [2023-03-31 00:57:06,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:57:06,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 00:57:06,188 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 00:57:06,189 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-31 00:57:06,216 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-03-31 00:57:06,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:06,691 INFO L262 TraceCheckSpWp]: Trace formula consists of 2905 conjuncts, 8 conjunts are in the unsatisfiable core [2023-03-31 00:57:06,713 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 00:57:06,907 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2023-03-31 00:57:06,907 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 00:57:06,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1620470259] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:57:06,907 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 00:57:06,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [19] total 25 [2023-03-31 00:57:06,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203339334] [2023-03-31 00:57:06,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:57:06,908 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-03-31 00:57:06,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:57:06,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-03-31 00:57:06,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=532, Unknown=0, NotChecked=0, Total=600 [2023-03-31 00:57:06,909 INFO L87 Difference]: Start difference. First operand 784 states and 1066 transitions. Second operand has 9 states, 8 states have (on average 15.5) internal successors, (124), 9 states have internal predecessors, (124), 5 states have call successors, (51), 3 states have call predecessors, (51), 5 states have return successors, (35), 4 states have call predecessors, (35), 5 states have call successors, (35) [2023-03-31 00:57:08,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:57:08,144 INFO L93 Difference]: Finished difference Result 1499 states and 2048 transitions. [2023-03-31 00:57:08,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-03-31 00:57:08,145 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 15.5) internal successors, (124), 9 states have internal predecessors, (124), 5 states have call successors, (51), 3 states have call predecessors, (51), 5 states have return successors, (35), 4 states have call predecessors, (35), 5 states have call successors, (35) Word has length 231 [2023-03-31 00:57:08,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:57:08,148 INFO L225 Difference]: With dead ends: 1499 [2023-03-31 00:57:08,148 INFO L226 Difference]: Without dead ends: 800 [2023-03-31 00:57:08,150 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 310 GetRequests, 284 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=83, Invalid=673, Unknown=0, NotChecked=0, Total=756 [2023-03-31 00:57:08,150 INFO L413 NwaCegarLoop]: 1068 mSDtfsCounter, 975 mSDsluCounter, 4093 mSDsCounter, 0 mSdLazyCounter, 1866 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 985 SdHoareTripleChecker+Valid, 5161 SdHoareTripleChecker+Invalid, 1869 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1866 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-03-31 00:57:08,151 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [985 Valid, 5161 Invalid, 1869 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1866 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-03-31 00:57:08,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2023-03-31 00:57:08,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 800. [2023-03-31 00:57:08,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 800 states, 519 states have (on average 1.4315992292870905) internal successors, (743), 552 states have internal predecessors, (743), 173 states have call successors, (173), 109 states have call predecessors, (173), 107 states have return successors, (171), 155 states have call predecessors, (171), 168 states have call successors, (171) [2023-03-31 00:57:08,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 800 states to 800 states and 1087 transitions. [2023-03-31 00:57:08,469 INFO L78 Accepts]: Start accepts. Automaton has 800 states and 1087 transitions. Word has length 231 [2023-03-31 00:57:08,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:57:08,470 INFO L495 AbstractCegarLoop]: Abstraction has 800 states and 1087 transitions. [2023-03-31 00:57:08,470 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 15.5) internal successors, (124), 9 states have internal predecessors, (124), 5 states have call successors, (51), 3 states have call predecessors, (51), 5 states have return successors, (35), 4 states have call predecessors, (35), 5 states have call successors, (35) [2023-03-31 00:57:08,470 INFO L276 IsEmpty]: Start isEmpty. Operand 800 states and 1087 transitions. [2023-03-31 00:57:08,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2023-03-31 00:57:08,473 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:57:08,473 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 00:57:08,492 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-03-31 00:57:08,682 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2023-03-31 00:57:08,682 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:57:08,683 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:57:08,683 INFO L85 PathProgramCache]: Analyzing trace with hash -586657804, now seen corresponding path program 1 times [2023-03-31 00:57:08,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:57:08,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284520816] [2023-03-31 00:57:08,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:57:08,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:57:08,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:09,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:57:09,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:09,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:57:09,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:09,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:57:09,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:09,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:57:09,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:09,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-03-31 00:57:09,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:09,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:57:09,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:09,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-03-31 00:57:09,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:09,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 00:57:09,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:09,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-03-31 00:57:09,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:09,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-03-31 00:57:09,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:09,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-03-31 00:57:09,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:09,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-03-31 00:57:09,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:09,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-03-31 00:57:09,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:09,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:09,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:09,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 00:57:09,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:09,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:09,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:09,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-03-31 00:57:09,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:09,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 00:57:09,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:09,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:09,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:09,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-03-31 00:57:09,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:09,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 00:57:09,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:09,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:09,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:09,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-03-31 00:57:09,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:10,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:10,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:10,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:57:10,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:10,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-03-31 00:57:10,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:10,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-03-31 00:57:10,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:10,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-03-31 00:57:10,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:10,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2023-03-31 00:57:10,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:10,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 00:57:10,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:10,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:10,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:10,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2023-03-31 00:57:10,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:10,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2023-03-31 00:57:10,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:10,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2023-03-31 00:57:10,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:10,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 00:57:10,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:10,053 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-03-31 00:57:10,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:57:10,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284520816] [2023-03-31 00:57:10,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [284520816] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:57:10,054 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 00:57:10,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-03-31 00:57:10,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163106174] [2023-03-31 00:57:10,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:57:10,054 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-03-31 00:57:10,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:57:10,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-03-31 00:57:10,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2023-03-31 00:57:10,055 INFO L87 Difference]: Start difference. First operand 800 states and 1087 transitions. Second operand has 19 states, 16 states have (on average 7.6875) internal successors, (123), 9 states have internal predecessors, (123), 6 states have call successors, (51), 12 states have call predecessors, (51), 5 states have return successors, (35), 4 states have call predecessors, (35), 6 states have call successors, (35) [2023-03-31 00:57:24,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:57:24,936 INFO L93 Difference]: Finished difference Result 2004 states and 2917 transitions. [2023-03-31 00:57:24,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-03-31 00:57:24,937 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 16 states have (on average 7.6875) internal successors, (123), 9 states have internal predecessors, (123), 6 states have call successors, (51), 12 states have call predecessors, (51), 5 states have return successors, (35), 4 states have call predecessors, (35), 6 states have call successors, (35) Word has length 232 [2023-03-31 00:57:24,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:57:24,958 INFO L225 Difference]: With dead ends: 2004 [2023-03-31 00:57:24,958 INFO L226 Difference]: Without dead ends: 1328 [2023-03-31 00:57:24,960 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 526 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=555, Invalid=1995, Unknown=0, NotChecked=0, Total=2550 [2023-03-31 00:57:24,960 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 6525 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 10467 mSolverCounterSat, 3332 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6526 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 13799 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3332 IncrementalHoareTripleChecker+Valid, 10467 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.8s IncrementalHoareTripleChecker+Time [2023-03-31 00:57:24,960 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6526 Valid, 115 Invalid, 13799 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3332 Valid, 10467 Invalid, 0 Unknown, 0 Unchecked, 10.8s Time] [2023-03-31 00:57:24,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1328 states. [2023-03-31 00:57:25,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1328 to 816. [2023-03-31 00:57:25,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 816 states, 531 states have (on average 1.433145009416196) internal successors, (761), 565 states have internal predecessors, (761), 173 states have call successors, (173), 111 states have call predecessors, (173), 111 states have return successors, (172), 156 states have call predecessors, (172), 168 states have call successors, (172) [2023-03-31 00:57:25,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 816 states and 1106 transitions. [2023-03-31 00:57:25,485 INFO L78 Accepts]: Start accepts. Automaton has 816 states and 1106 transitions. Word has length 232 [2023-03-31 00:57:25,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:57:25,486 INFO L495 AbstractCegarLoop]: Abstraction has 816 states and 1106 transitions. [2023-03-31 00:57:25,486 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 16 states have (on average 7.6875) internal successors, (123), 9 states have internal predecessors, (123), 6 states have call successors, (51), 12 states have call predecessors, (51), 5 states have return successors, (35), 4 states have call predecessors, (35), 6 states have call successors, (35) [2023-03-31 00:57:25,486 INFO L276 IsEmpty]: Start isEmpty. Operand 816 states and 1106 transitions. [2023-03-31 00:57:25,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2023-03-31 00:57:25,510 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:57:25,511 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 00:57:25,511 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-03-31 00:57:25,511 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:57:25,511 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:57:25,511 INFO L85 PathProgramCache]: Analyzing trace with hash -1223533717, now seen corresponding path program 2 times [2023-03-31 00:57:25,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:57:25,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141534603] [2023-03-31 00:57:25,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:57:25,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:57:25,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:26,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:57:26,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:26,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:57:26,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:26,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:57:26,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:26,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:57:26,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:26,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-03-31 00:57:26,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:26,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:57:26,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:26,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-03-31 00:57:26,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:26,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 00:57:26,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:26,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-03-31 00:57:26,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:26,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-03-31 00:57:26,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:26,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-03-31 00:57:26,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:26,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-03-31 00:57:26,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:26,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-03-31 00:57:26,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:26,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:26,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:26,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 00:57:26,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:26,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:26,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:26,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-03-31 00:57:26,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:26,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 00:57:26,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:26,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:26,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:26,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-03-31 00:57:26,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:26,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 00:57:26,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:26,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:26,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:26,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-03-31 00:57:26,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:26,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:26,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:26,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:57:26,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:26,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-03-31 00:57:26,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:26,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-03-31 00:57:26,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:26,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-03-31 00:57:26,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:26,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-03-31 00:57:26,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:26,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 00:57:26,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:26,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:26,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:26,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2023-03-31 00:57:26,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:26,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-03-31 00:57:26,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:26,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2023-03-31 00:57:26,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:26,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 00:57:26,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:26,457 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-03-31 00:57:26,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:57:26,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141534603] [2023-03-31 00:57:26,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1141534603] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:57:26,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 00:57:26,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-03-31 00:57:26,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378034525] [2023-03-31 00:57:26,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:57:26,458 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-03-31 00:57:26,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:57:26,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-03-31 00:57:26,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2023-03-31 00:57:26,459 INFO L87 Difference]: Start difference. First operand 816 states and 1106 transitions. Second operand has 19 states, 16 states have (on average 7.75) internal successors, (124), 9 states have internal predecessors, (124), 6 states have call successors, (51), 12 states have call predecessors, (51), 5 states have return successors, (35), 4 states have call predecessors, (35), 6 states have call successors, (35) [2023-03-31 00:57:42,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:57:42,001 INFO L93 Difference]: Finished difference Result 2010 states and 2923 transitions. [2023-03-31 00:57:42,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-03-31 00:57:42,002 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 16 states have (on average 7.75) internal successors, (124), 9 states have internal predecessors, (124), 6 states have call successors, (51), 12 states have call predecessors, (51), 5 states have return successors, (35), 4 states have call predecessors, (35), 6 states have call successors, (35) Word has length 233 [2023-03-31 00:57:42,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:57:42,007 INFO L225 Difference]: With dead ends: 2010 [2023-03-31 00:57:42,007 INFO L226 Difference]: Without dead ends: 1334 [2023-03-31 00:57:42,009 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 523 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=555, Invalid=1995, Unknown=0, NotChecked=0, Total=2550 [2023-03-31 00:57:42,010 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 5252 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 10432 mSolverCounterSat, 2756 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5253 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 13188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2756 IncrementalHoareTripleChecker+Valid, 10432 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.6s IncrementalHoareTripleChecker+Time [2023-03-31 00:57:42,010 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5253 Valid, 117 Invalid, 13188 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2756 Valid, 10432 Invalid, 0 Unknown, 0 Unchecked, 11.6s Time] [2023-03-31 00:57:42,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1334 states. [2023-03-31 00:57:42,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1334 to 816. [2023-03-31 00:57:42,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 816 states, 531 states have (on average 1.433145009416196) internal successors, (761), 565 states have internal predecessors, (761), 173 states have call successors, (173), 111 states have call predecessors, (173), 111 states have return successors, (172), 156 states have call predecessors, (172), 168 states have call successors, (172) [2023-03-31 00:57:42,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 816 states and 1106 transitions. [2023-03-31 00:57:42,373 INFO L78 Accepts]: Start accepts. Automaton has 816 states and 1106 transitions. Word has length 233 [2023-03-31 00:57:42,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:57:42,374 INFO L495 AbstractCegarLoop]: Abstraction has 816 states and 1106 transitions. [2023-03-31 00:57:42,374 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 16 states have (on average 7.75) internal successors, (124), 9 states have internal predecessors, (124), 6 states have call successors, (51), 12 states have call predecessors, (51), 5 states have return successors, (35), 4 states have call predecessors, (35), 6 states have call successors, (35) [2023-03-31 00:57:42,374 INFO L276 IsEmpty]: Start isEmpty. Operand 816 states and 1106 transitions. [2023-03-31 00:57:42,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2023-03-31 00:57:42,376 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:57:42,376 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 00:57:42,376 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-03-31 00:57:42,376 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:57:42,379 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:57:42,379 INFO L85 PathProgramCache]: Analyzing trace with hash 889141593, now seen corresponding path program 1 times [2023-03-31 00:57:42,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:57:42,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091322812] [2023-03-31 00:57:42,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:57:42,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:57:42,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:42,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:57:42,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:42,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:57:42,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:42,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:57:42,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:42,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:57:42,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:42,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-03-31 00:57:42,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:42,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:57:42,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:42,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-03-31 00:57:42,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:42,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 00:57:42,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:42,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-03-31 00:57:42,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:42,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-03-31 00:57:42,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:42,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-03-31 00:57:42,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:42,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-03-31 00:57:42,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:42,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-03-31 00:57:42,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:42,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:42,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:42,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 00:57:42,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:42,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:42,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:42,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-03-31 00:57:42,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:42,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 00:57:42,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:42,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:42,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:42,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-03-31 00:57:42,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:42,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 00:57:42,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:42,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:42,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:42,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-03-31 00:57:42,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:43,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:43,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:43,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:57:43,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:43,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-03-31 00:57:43,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:43,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-03-31 00:57:43,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:43,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2023-03-31 00:57:43,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:43,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-03-31 00:57:43,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:43,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 00:57:43,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:43,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:43,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:43,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2023-03-31 00:57:43,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:43,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2023-03-31 00:57:43,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:43,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2023-03-31 00:57:43,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:43,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 00:57:43,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:43,037 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-03-31 00:57:43,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:57:43,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091322812] [2023-03-31 00:57:43,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2091322812] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 00:57:43,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1674892213] [2023-03-31 00:57:43,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:57:43,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 00:57:43,037 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 00:57:43,053 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-31 00:57:43,054 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-03-31 00:57:43,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:43,537 INFO L262 TraceCheckSpWp]: Trace formula consists of 2908 conjuncts, 3 conjunts are in the unsatisfiable core [2023-03-31 00:57:43,543 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 00:57:43,568 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-03-31 00:57:43,568 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-31 00:57:43,739 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-03-31 00:57:43,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1674892213] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-31 00:57:43,739 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-31 00:57:43,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 4, 4] total 17 [2023-03-31 00:57:43,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781473167] [2023-03-31 00:57:43,740 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-31 00:57:43,740 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-03-31 00:57:43,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:57:43,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-03-31 00:57:43,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=216, Unknown=0, NotChecked=0, Total=272 [2023-03-31 00:57:43,741 INFO L87 Difference]: Start difference. First operand 816 states and 1106 transitions. Second operand has 17 states, 16 states have (on average 11.375) internal successors, (182), 7 states have internal predecessors, (182), 3 states have call successors, (84), 12 states have call predecessors, (84), 2 states have return successors, (49), 2 states have call predecessors, (49), 3 states have call successors, (49)