./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/email_spec0_product35.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/email_spec0_product35.cil.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7ed16a2a74d5e33f66ab9b575b27ed24f9a6964adc1478fcc08a5f7b11595b14 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 03:49:24,246 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 03:49:24,283 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-01-09 03:49:24,287 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 03:49:24,287 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 03:49:24,302 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 03:49:24,302 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 03:49:24,302 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 03:49:24,303 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 03:49:24,303 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 03:49:24,303 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 03:49:24,303 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 03:49:24,303 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 03:49:24,303 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 03:49:24,303 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 03:49:24,303 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 03:49:24,303 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 03:49:24,303 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 03:49:24,303 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 03:49:24,303 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 03:49:24,303 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 03:49:24,304 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 03:49:24,304 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 03:49:24,304 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 03:49:24,304 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 03:49:24,304 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 03:49:24,304 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 03:49:24,304 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 03:49:24,304 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 03:49:24,304 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 03:49:24,304 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 03:49:24,304 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 03:49:24,304 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 03:49:24,304 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 03:49:24,304 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 03:49:24,304 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 03:49:24,304 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 03:49:24,304 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 03:49:24,304 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 03:49:24,305 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 03:49:24,305 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 03:49:24,305 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 03:49:24,305 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 03:49:24,305 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 03:49:24,305 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 03:49:24,305 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 03:49:24,305 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 03:49:24,305 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 03:49:24,305 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7ed16a2a74d5e33f66ab9b575b27ed24f9a6964adc1478fcc08a5f7b11595b14 [2025-01-09 03:49:24,490 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 03:49:24,496 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 03:49:24,497 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 03:49:24,498 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 03:49:24,498 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 03:49:24,499 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec0_product35.cil.c [2025-01-09 03:49:25,618 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/fcc7fe288/f95d7a3b4a2847699f01dee6ca276315/FLAG0a61d331c [2025-01-09 03:49:25,975 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 03:49:25,976 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_product35.cil.c [2025-01-09 03:49:25,991 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/fcc7fe288/f95d7a3b4a2847699f01dee6ca276315/FLAG0a61d331c [2025-01-09 03:49:26,184 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/fcc7fe288/f95d7a3b4a2847699f01dee6ca276315 [2025-01-09 03:49:26,187 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 03:49:26,188 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 03:49:26,193 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 03:49:26,195 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 03:49:26,198 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 03:49:26,199 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 03:49:26" (1/1) ... [2025-01-09 03:49:26,199 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48d4705a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:49:26, skipping insertion in model container [2025-01-09 03:49:26,199 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 03:49:26" (1/1) ... [2025-01-09 03:49:26,228 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 03:49:26,346 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_product35.cil.c[5573,5586] [2025-01-09 03:49:26,567 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 03:49:26,578 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 03:49:26,584 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [48] [2025-01-09 03:49:26,585 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [66] [2025-01-09 03:49:26,585 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [225] [2025-01-09 03:49:26,585 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [234] [2025-01-09 03:49:26,585 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"DecryptForward_spec.i","") [600] [2025-01-09 03:49:26,586 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [620] [2025-01-09 03:49:26,586 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [658] [2025-01-09 03:49:26,586 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1108] [2025-01-09 03:49:26,586 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2179] [2025-01-09 03:49:26,586 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [2412] [2025-01-09 03:49:26,586 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [2710] [2025-01-09 03:49:26,593 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_product35.cil.c[5573,5586] [2025-01-09 03:49:26,666 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 03:49:26,687 INFO L204 MainTranslator]: Completed translation [2025-01-09 03:49:26,688 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:49:26 WrapperNode [2025-01-09 03:49:26,688 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 03:49:26,689 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 03:49:26,689 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 03:49:26,689 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 03:49:26,693 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:49:26" (1/1) ... [2025-01-09 03:49:26,707 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:49:26" (1/1) ... [2025-01-09 03:49:26,745 INFO L138 Inliner]: procedures = 137, calls = 226, calls flagged for inlining = 66, calls inlined = 63, statements flattened = 1141 [2025-01-09 03:49:26,745 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 03:49:26,746 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 03:49:26,746 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 03:49:26,746 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 03:49:26,753 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:49:26" (1/1) ... [2025-01-09 03:49:26,753 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:49:26" (1/1) ... [2025-01-09 03:49:26,759 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:49:26" (1/1) ... [2025-01-09 03:49:26,784 INFO L175 MemorySlicer]: Split 14 memory accesses to 4 slices as follows [2, 4, 4, 4]. 29 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 4, 4, 4]. The 0 writes are split as follows [0, 0, 0, 0]. [2025-01-09 03:49:26,784 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:49:26" (1/1) ... [2025-01-09 03:49:26,784 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:49:26" (1/1) ... [2025-01-09 03:49:26,796 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:49:26" (1/1) ... [2025-01-09 03:49:26,797 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:49:26" (1/1) ... [2025-01-09 03:49:26,802 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:49:26" (1/1) ... [2025-01-09 03:49:26,807 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:49:26" (1/1) ... [2025-01-09 03:49:26,810 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:49:26" (1/1) ... [2025-01-09 03:49:26,824 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 03:49:26,824 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 03:49:26,825 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 03:49:26,825 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 03:49:26,826 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:49:26" (1/1) ... [2025-01-09 03:49:26,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 03:49:26,845 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 03:49:26,862 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 03:49:26,865 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 03:49:26,886 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2025-01-09 03:49:26,888 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2025-01-09 03:49:26,889 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2025-01-09 03:49:26,889 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2025-01-09 03:49:26,889 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2025-01-09 03:49:26,889 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2025-01-09 03:49:26,889 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2025-01-09 03:49:26,889 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2025-01-09 03:49:26,889 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2025-01-09 03:49:26,889 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2025-01-09 03:49:26,889 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2025-01-09 03:49:26,889 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2025-01-09 03:49:26,889 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2025-01-09 03:49:26,889 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2025-01-09 03:49:26,889 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2025-01-09 03:49:26,889 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2025-01-09 03:49:26,889 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2025-01-09 03:49:26,889 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2025-01-09 03:49:26,889 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2025-01-09 03:49:26,889 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2025-01-09 03:49:26,889 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2025-01-09 03:49:26,889 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2025-01-09 03:49:26,889 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2025-01-09 03:49:26,889 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2025-01-09 03:49:26,890 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2025-01-09 03:49:26,890 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2025-01-09 03:49:26,890 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2025-01-09 03:49:26,890 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2025-01-09 03:49:26,890 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2025-01-09 03:49:26,890 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2025-01-09 03:49:26,890 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2025-01-09 03:49:26,890 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2025-01-09 03:49:26,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 03:49:26,890 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2025-01-09 03:49:26,890 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2025-01-09 03:49:26,890 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2025-01-09 03:49:26,890 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2025-01-09 03:49:26,890 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2025-01-09 03:49:26,890 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2025-01-09 03:49:26,890 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2025-01-09 03:49:26,890 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2025-01-09 03:49:26,890 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2025-01-09 03:49:26,890 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2025-01-09 03:49:26,890 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2025-01-09 03:49:26,890 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2025-01-09 03:49:26,890 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2025-01-09 03:49:26,890 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2025-01-09 03:49:26,890 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2025-01-09 03:49:26,890 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2025-01-09 03:49:26,890 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2025-01-09 03:49:26,891 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2025-01-09 03:49:26,891 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2025-01-09 03:49:26,891 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2025-01-09 03:49:26,891 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2025-01-09 03:49:26,891 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2025-01-09 03:49:26,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 03:49:26,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 03:49:26,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 03:49:26,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 03:49:26,891 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2025-01-09 03:49:26,891 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2025-01-09 03:49:26,891 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2025-01-09 03:49:26,891 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2025-01-09 03:49:26,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 03:49:26,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 03:49:27,055 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 03:49:27,058 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 03:49:28,013 INFO L? ?]: Removed 604 outVars from TransFormulas that were not future-live. [2025-01-09 03:49:28,013 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 03:49:28,030 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 03:49:28,030 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-09 03:49:28,031 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 03:49:28 BoogieIcfgContainer [2025-01-09 03:49:28,031 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 03:49:28,033 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 03:49:28,033 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 03:49:28,037 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 03:49:28,038 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 03:49:26" (1/3) ... [2025-01-09 03:49:28,038 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@223e206f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 03:49:28, skipping insertion in model container [2025-01-09 03:49:28,038 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:49:26" (2/3) ... [2025-01-09 03:49:28,038 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@223e206f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 03:49:28, skipping insertion in model container [2025-01-09 03:49:28,039 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 03:49:28" (3/3) ... [2025-01-09 03:49:28,040 INFO L128 eAbstractionObserver]: Analyzing ICFG email_spec0_product35.cil.c [2025-01-09 03:49:28,064 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 03:49:28,074 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG email_spec0_product35.cil.c that has 30 procedures, 462 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-01-09 03:49:28,137 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 03:49:28,146 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@61aaffe3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 03:49:28,147 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 03:49:28,151 INFO L276 IsEmpty]: Start isEmpty. Operand has 462 states, 357 states have (on average 1.535014005602241) internal successors, (548), 362 states have internal predecessors, (548), 74 states have call successors, (74), 29 states have call predecessors, (74), 29 states have return successors, (74), 73 states have call predecessors, (74), 74 states have call successors, (74) [2025-01-09 03:49:28,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2025-01-09 03:49:28,172 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:49:28,173 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 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] [2025-01-09 03:49:28,174 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:49:28,177 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:49:28,178 INFO L85 PathProgramCache]: Analyzing trace with hash -852913548, now seen corresponding path program 1 times [2025-01-09 03:49:28,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:49:28,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115528694] [2025-01-09 03:49:28,185 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:49:28,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:49:28,283 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 177 statements into 1 equivalence classes. [2025-01-09 03:49:28,336 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 177 of 177 statements. [2025-01-09 03:49:28,341 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:49:28,341 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:49:28,873 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-01-09 03:49:28,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:49:28,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115528694] [2025-01-09 03:49:28,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [115528694] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 03:49:28,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [493280958] [2025-01-09 03:49:28,875 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:49:28,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 03:49:28,875 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 03:49:28,878 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 03:49:28,884 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-01-09 03:49:29,109 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 177 statements into 1 equivalence classes. [2025-01-09 03:49:29,295 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 177 of 177 statements. [2025-01-09 03:49:29,296 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:49:29,296 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:49:29,305 INFO L256 TraceCheckSpWp]: Trace formula consists of 1380 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-01-09 03:49:29,316 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 03:49:29,366 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2025-01-09 03:49:29,366 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 03:49:29,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [493280958] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:49:29,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 03:49:29,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2025-01-09 03:49:29,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319098235] [2025-01-09 03:49:29,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:49:29,371 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 03:49:29,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:49:29,390 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 03:49:29,391 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-01-09 03:49:29,394 INFO L87 Difference]: Start difference. First operand has 462 states, 357 states have (on average 1.535014005602241) internal successors, (548), 362 states have internal predecessors, (548), 74 states have call successors, (74), 29 states have call predecessors, (74), 29 states have return successors, (74), 73 states have call predecessors, (74), 74 states have call successors, (74) Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2025-01-09 03:49:29,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:49:29,498 INFO L93 Difference]: Finished difference Result 729 states and 1080 transitions. [2025-01-09 03:49:29,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 03:49:29,500 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 177 [2025-01-09 03:49:29,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:49:29,509 INFO L225 Difference]: With dead ends: 729 [2025-01-09 03:49:29,509 INFO L226 Difference]: Without dead ends: 457 [2025-01-09 03:49:29,514 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-01-09 03:49:29,516 INFO L435 NwaCegarLoop]: 691 mSDtfsCounter, 1 mSDsluCounter, 688 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1379 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 03:49:29,516 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1379 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 03:49:29,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2025-01-09 03:49:29,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 456. [2025-01-09 03:49:29,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 456 states, 352 states have (on average 1.53125) internal successors, (539), 356 states have internal predecessors, (539), 74 states have call successors, (74), 29 states have call predecessors, (74), 29 states have return successors, (73), 72 states have call predecessors, (73), 73 states have call successors, (73) [2025-01-09 03:49:29,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 456 states and 686 transitions. [2025-01-09 03:49:29,567 INFO L78 Accepts]: Start accepts. Automaton has 456 states and 686 transitions. Word has length 177 [2025-01-09 03:49:29,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:49:29,568 INFO L471 AbstractCegarLoop]: Abstraction has 456 states and 686 transitions. [2025-01-09 03:49:29,568 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2025-01-09 03:49:29,568 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 686 transitions. [2025-01-09 03:49:29,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2025-01-09 03:49:29,576 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:49:29,577 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 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] [2025-01-09 03:49:29,592 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-01-09 03:49:29,781 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-01-09 03:49:29,782 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:49:29,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:49:29,782 INFO L85 PathProgramCache]: Analyzing trace with hash 2031788673, now seen corresponding path program 1 times [2025-01-09 03:49:29,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:49:29,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144369084] [2025-01-09 03:49:29,783 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:49:29,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:49:29,830 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 185 statements into 1 equivalence classes. [2025-01-09 03:49:29,844 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 185 of 185 statements. [2025-01-09 03:49:29,845 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:49:29,845 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:49:30,271 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2025-01-09 03:49:30,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:49:30,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144369084] [2025-01-09 03:49:30,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1144369084] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 03:49:30,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1216760352] [2025-01-09 03:49:30,271 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:49:30,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 03:49:30,271 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 03:49:30,275 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 03:49:30,275 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-01-09 03:49:30,448 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 185 statements into 1 equivalence classes. [2025-01-09 03:49:30,615 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 185 of 185 statements. [2025-01-09 03:49:30,616 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:49:30,616 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:49:30,620 INFO L256 TraceCheckSpWp]: Trace formula consists of 1404 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-09 03:49:30,625 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 03:49:30,641 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2025-01-09 03:49:30,641 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 03:49:30,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1216760352] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:49:30,641 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 03:49:30,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2025-01-09 03:49:30,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021100956] [2025-01-09 03:49:30,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:49:30,642 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 03:49:30,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:49:30,643 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 03:49:30,643 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-01-09 03:49:30,643 INFO L87 Difference]: Start difference. First operand 456 states and 686 transitions. Second operand has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2025-01-09 03:49:30,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:49:30,682 INFO L93 Difference]: Finished difference Result 965 states and 1472 transitions. [2025-01-09 03:49:30,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 03:49:30,683 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 185 [2025-01-09 03:49:30,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:49:30,686 INFO L225 Difference]: With dead ends: 965 [2025-01-09 03:49:30,686 INFO L226 Difference]: Without dead ends: 535 [2025-01-09 03:49:30,688 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-01-09 03:49:30,688 INFO L435 NwaCegarLoop]: 695 mSDtfsCounter, 142 mSDsluCounter, 638 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 1333 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 03:49:30,689 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 1333 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 03:49:30,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 535 states. [2025-01-09 03:49:30,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 535 to 527. [2025-01-09 03:49:30,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 527 states, 409 states have (on average 1.5525672371638142) internal successors, (635), 413 states have internal predecessors, (635), 88 states have call successors, (88), 29 states have call predecessors, (88), 29 states have return successors, (87), 86 states have call predecessors, (87), 87 states have call successors, (87) [2025-01-09 03:49:30,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 527 states and 810 transitions. [2025-01-09 03:49:30,713 INFO L78 Accepts]: Start accepts. Automaton has 527 states and 810 transitions. Word has length 185 [2025-01-09 03:49:30,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:49:30,714 INFO L471 AbstractCegarLoop]: Abstraction has 527 states and 810 transitions. [2025-01-09 03:49:30,714 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2025-01-09 03:49:30,714 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 810 transitions. [2025-01-09 03:49:30,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2025-01-09 03:49:30,717 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:49:30,717 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 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] [2025-01-09 03:49:30,725 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-01-09 03:49:30,922 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 03:49:30,922 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:49:30,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:49:30,923 INFO L85 PathProgramCache]: Analyzing trace with hash -1547334941, now seen corresponding path program 1 times [2025-01-09 03:49:30,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:49:30,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235679893] [2025-01-09 03:49:30,923 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:49:30,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:49:30,948 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 186 statements into 1 equivalence classes. [2025-01-09 03:49:30,953 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 186 of 186 statements. [2025-01-09 03:49:30,953 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:49:30,953 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:49:31,090 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2025-01-09 03:49:31,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:49:31,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235679893] [2025-01-09 03:49:31,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [235679893] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 03:49:31,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [732260158] [2025-01-09 03:49:31,091 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:49:31,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 03:49:31,091 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 03:49:31,093 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 03:49:31,095 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-01-09 03:49:31,257 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 186 statements into 1 equivalence classes. [2025-01-09 03:49:31,377 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 186 of 186 statements. [2025-01-09 03:49:31,377 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:49:31,377 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:49:31,382 INFO L256 TraceCheckSpWp]: Trace formula consists of 1409 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-01-09 03:49:31,387 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 03:49:31,426 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-01-09 03:49:31,426 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 03:49:31,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [732260158] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:49:31,427 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 03:49:31,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2025-01-09 03:49:31,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434600816] [2025-01-09 03:49:31,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:49:31,427 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 03:49:31,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:49:31,428 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 03:49:31,428 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-01-09 03:49:31,428 INFO L87 Difference]: Start difference. First operand 527 states and 810 transitions. Second operand has 5 states, 4 states have (on average 27.25) internal successors, (109), 5 states have internal predecessors, (109), 3 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (22), 2 states have call predecessors, (22), 3 states have call successors, (22) [2025-01-09 03:49:31,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:49:31,481 INFO L93 Difference]: Finished difference Result 1045 states and 1610 transitions. [2025-01-09 03:49:31,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 03:49:31,482 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 27.25) internal successors, (109), 5 states have internal predecessors, (109), 3 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (22), 2 states have call predecessors, (22), 3 states have call successors, (22) Word has length 186 [2025-01-09 03:49:31,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:49:31,485 INFO L225 Difference]: With dead ends: 1045 [2025-01-09 03:49:31,485 INFO L226 Difference]: Without dead ends: 529 [2025-01-09 03:49:31,486 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-01-09 03:49:31,487 INFO L435 NwaCegarLoop]: 677 mSDtfsCounter, 2 mSDsluCounter, 2020 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2697 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 03:49:31,487 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2697 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 03:49:31,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 529 states. [2025-01-09 03:49:31,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 529 to 529. [2025-01-09 03:49:31,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 529 states, 410 states have (on average 1.551219512195122) internal successors, (636), 415 states have internal predecessors, (636), 88 states have call successors, (88), 29 states have call predecessors, (88), 30 states have return successors, (89), 86 states have call predecessors, (89), 87 states have call successors, (89) [2025-01-09 03:49:31,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 529 states and 813 transitions. [2025-01-09 03:49:31,522 INFO L78 Accepts]: Start accepts. Automaton has 529 states and 813 transitions. Word has length 186 [2025-01-09 03:49:31,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:49:31,522 INFO L471 AbstractCegarLoop]: Abstraction has 529 states and 813 transitions. [2025-01-09 03:49:31,523 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 27.25) internal successors, (109), 5 states have internal predecessors, (109), 3 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (22), 2 states have call predecessors, (22), 3 states have call successors, (22) [2025-01-09 03:49:31,523 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 813 transitions. [2025-01-09 03:49:31,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2025-01-09 03:49:31,525 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:49:31,525 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 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] [2025-01-09 03:49:31,533 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-01-09 03:49:31,726 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 03:49:31,726 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:49:31,727 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:49:31,727 INFO L85 PathProgramCache]: Analyzing trace with hash 269421163, now seen corresponding path program 1 times [2025-01-09 03:49:31,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:49:31,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010920817] [2025-01-09 03:49:31,727 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:49:31,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:49:31,748 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 187 statements into 1 equivalence classes. [2025-01-09 03:49:31,756 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 187 of 187 statements. [2025-01-09 03:49:31,757 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:49:31,757 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:49:31,910 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-01-09 03:49:31,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:49:31,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010920817] [2025-01-09 03:49:31,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1010920817] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 03:49:31,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [483128327] [2025-01-09 03:49:31,911 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:49:31,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 03:49:31,911 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 03:49:31,913 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 03:49:31,917 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-01-09 03:49:32,072 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 187 statements into 1 equivalence classes. [2025-01-09 03:49:32,208 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 187 of 187 statements. [2025-01-09 03:49:32,208 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:49:32,209 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:49:32,214 INFO L256 TraceCheckSpWp]: Trace formula consists of 1410 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-01-09 03:49:32,220 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 03:49:32,267 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-01-09 03:49:32,267 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 03:49:32,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [483128327] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:49:32,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 03:49:32,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2025-01-09 03:49:32,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320260120] [2025-01-09 03:49:32,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:49:32,268 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 03:49:32,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:49:32,269 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 03:49:32,269 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2025-01-09 03:49:32,269 INFO L87 Difference]: Start difference. First operand 529 states and 813 transitions. Second operand has 5 states, 5 states have (on average 22.2) internal successors, (111), 5 states have internal predecessors, (111), 3 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2025-01-09 03:49:32,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:49:32,335 INFO L93 Difference]: Finished difference Result 1047 states and 1615 transitions. [2025-01-09 03:49:32,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 03:49:32,335 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.2) internal successors, (111), 5 states have internal predecessors, (111), 3 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 187 [2025-01-09 03:49:32,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:49:32,339 INFO L225 Difference]: With dead ends: 1047 [2025-01-09 03:49:32,340 INFO L226 Difference]: Without dead ends: 531 [2025-01-09 03:49:32,342 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2025-01-09 03:49:32,342 INFO L435 NwaCegarLoop]: 675 mSDtfsCounter, 2 mSDsluCounter, 2008 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2683 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 03:49:32,342 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2683 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 03:49:32,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 531 states. [2025-01-09 03:49:32,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 531 to 531. [2025-01-09 03:49:32,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 531 states, 411 states have (on average 1.5498783454987834) internal successors, (637), 417 states have internal predecessors, (637), 88 states have call successors, (88), 29 states have call predecessors, (88), 31 states have return successors, (94), 86 states have call predecessors, (94), 87 states have call successors, (94) [2025-01-09 03:49:32,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 531 states and 819 transitions. [2025-01-09 03:49:32,379 INFO L78 Accepts]: Start accepts. Automaton has 531 states and 819 transitions. Word has length 187 [2025-01-09 03:49:32,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:49:32,379 INFO L471 AbstractCegarLoop]: Abstraction has 531 states and 819 transitions. [2025-01-09 03:49:32,379 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.2) internal successors, (111), 5 states have internal predecessors, (111), 3 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2025-01-09 03:49:32,380 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 819 transitions. [2025-01-09 03:49:32,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2025-01-09 03:49:32,383 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:49:32,383 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2025-01-09 03:49:32,393 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-01-09 03:49:32,584 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 03:49:32,584 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:49:32,585 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:49:32,585 INFO L85 PathProgramCache]: Analyzing trace with hash -219840840, now seen corresponding path program 1 times [2025-01-09 03:49:32,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:49:32,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530232759] [2025-01-09 03:49:32,585 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:49:32,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:49:32,607 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 188 statements into 1 equivalence classes. [2025-01-09 03:49:32,613 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 188 of 188 statements. [2025-01-09 03:49:32,613 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:49:32,613 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:49:32,776 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2025-01-09 03:49:32,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:49:32,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530232759] [2025-01-09 03:49:32,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530232759] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:49:32,777 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 03:49:32,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 03:49:32,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319107080] [2025-01-09 03:49:32,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:49:32,777 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 03:49:32,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:49:32,778 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 03:49:32,778 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-09 03:49:32,778 INFO L87 Difference]: Start difference. First operand 531 states and 819 transitions. Second operand has 5 states, 4 states have (on average 26.75) internal successors, (107), 5 states have internal predecessors, (107), 3 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (22), 2 states have call predecessors, (22), 3 states have call successors, (22) [2025-01-09 03:49:32,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:49:32,819 INFO L93 Difference]: Finished difference Result 1039 states and 1606 transitions. [2025-01-09 03:49:32,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 03:49:32,819 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 26.75) internal successors, (107), 5 states have internal predecessors, (107), 3 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (22), 2 states have call predecessors, (22), 3 states have call successors, (22) Word has length 188 [2025-01-09 03:49:32,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:49:32,822 INFO L225 Difference]: With dead ends: 1039 [2025-01-09 03:49:32,822 INFO L226 Difference]: Without dead ends: 531 [2025-01-09 03:49:32,824 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-09 03:49:32,824 INFO L435 NwaCegarLoop]: 678 mSDtfsCounter, 2 mSDsluCounter, 2023 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2701 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 03:49:32,824 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2701 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 03:49:32,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 531 states. [2025-01-09 03:49:32,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 531 to 531. [2025-01-09 03:49:32,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 531 states, 411 states have (on average 1.5498783454987834) internal successors, (637), 417 states have internal predecessors, (637), 88 states have call successors, (88), 29 states have call predecessors, (88), 31 states have return successors, (93), 86 states have call predecessors, (93), 87 states have call successors, (93) [2025-01-09 03:49:32,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 531 states and 818 transitions. [2025-01-09 03:49:32,840 INFO L78 Accepts]: Start accepts. Automaton has 531 states and 818 transitions. Word has length 188 [2025-01-09 03:49:32,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:49:32,840 INFO L471 AbstractCegarLoop]: Abstraction has 531 states and 818 transitions. [2025-01-09 03:49:32,840 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 26.75) internal successors, (107), 5 states have internal predecessors, (107), 3 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (22), 2 states have call predecessors, (22), 3 states have call successors, (22) [2025-01-09 03:49:32,840 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 818 transitions. [2025-01-09 03:49:32,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2025-01-09 03:49:32,842 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:49:32,843 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2025-01-09 03:49:32,843 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-01-09 03:49:32,843 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:49:32,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:49:32,843 INFO L85 PathProgramCache]: Analyzing trace with hash -1263349662, now seen corresponding path program 2 times [2025-01-09 03:49:32,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:49:32,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322922300] [2025-01-09 03:49:32,844 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-09 03:49:32,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:49:32,866 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 189 statements into 2 equivalence classes. [2025-01-09 03:49:32,871 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 58 of 189 statements. [2025-01-09 03:49:32,871 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-01-09 03:49:32,871 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:49:32,993 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-01-09 03:49:32,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:49:32,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322922300] [2025-01-09 03:49:32,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [322922300] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:49:32,993 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 03:49:32,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-01-09 03:49:32,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429702540] [2025-01-09 03:49:32,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:49:32,994 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-09 03:49:32,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:49:32,994 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-09 03:49:32,994 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2025-01-09 03:49:32,995 INFO L87 Difference]: Start difference. First operand 531 states and 818 transitions. Second operand has 8 states, 8 states have (on average 13.625) internal successors, (109), 7 states have internal predecessors, (109), 3 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (22), 4 states have call predecessors, (22), 3 states have call successors, (22) [2025-01-09 03:49:33,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:49:33,526 INFO L93 Difference]: Finished difference Result 1473 states and 2243 transitions. [2025-01-09 03:49:33,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-09 03:49:33,527 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.625) internal successors, (109), 7 states have internal predecessors, (109), 3 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (22), 4 states have call predecessors, (22), 3 states have call successors, (22) Word has length 189 [2025-01-09 03:49:33,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:49:33,536 INFO L225 Difference]: With dead ends: 1473 [2025-01-09 03:49:33,537 INFO L226 Difference]: Without dead ends: 1220 [2025-01-09 03:49:33,538 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2025-01-09 03:49:33,539 INFO L435 NwaCegarLoop]: 746 mSDtfsCounter, 1354 mSDsluCounter, 3490 mSDsCounter, 0 mSdLazyCounter, 373 mSolverCounterSat, 188 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1379 SdHoareTripleChecker+Valid, 4236 SdHoareTripleChecker+Invalid, 561 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 188 IncrementalHoareTripleChecker+Valid, 373 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-01-09 03:49:33,540 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1379 Valid, 4236 Invalid, 561 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [188 Valid, 373 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-01-09 03:49:33,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1220 states. [2025-01-09 03:49:33,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1220 to 1057. [2025-01-09 03:49:33,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1057 states, 820 states have (on average 1.553658536585366) internal successors, (1274), 829 states have internal predecessors, (1274), 174 states have call successors, (174), 59 states have call predecessors, (174), 62 states have return successors, (188), 172 states have call predecessors, (188), 172 states have call successors, (188) [2025-01-09 03:49:33,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1057 states to 1057 states and 1636 transitions. [2025-01-09 03:49:33,613 INFO L78 Accepts]: Start accepts. Automaton has 1057 states and 1636 transitions. Word has length 189 [2025-01-09 03:49:33,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:49:33,614 INFO L471 AbstractCegarLoop]: Abstraction has 1057 states and 1636 transitions. [2025-01-09 03:49:33,614 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.625) internal successors, (109), 7 states have internal predecessors, (109), 3 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (22), 4 states have call predecessors, (22), 3 states have call successors, (22) [2025-01-09 03:49:33,614 INFO L276 IsEmpty]: Start isEmpty. Operand 1057 states and 1636 transitions. [2025-01-09 03:49:33,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2025-01-09 03:49:33,620 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:49:33,620 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2025-01-09 03:49:33,620 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-01-09 03:49:33,620 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:49:33,620 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:49:33,621 INFO L85 PathProgramCache]: Analyzing trace with hash 2062862325, now seen corresponding path program 1 times [2025-01-09 03:49:33,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:49:33,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118387503] [2025-01-09 03:49:33,621 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:49:33,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:49:33,645 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 190 statements into 1 equivalence classes. [2025-01-09 03:49:33,654 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 190 of 190 statements. [2025-01-09 03:49:33,655 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:49:33,655 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:49:33,819 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2025-01-09 03:49:33,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:49:33,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118387503] [2025-01-09 03:49:33,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1118387503] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:49:33,819 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 03:49:33,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 03:49:33,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712158065] [2025-01-09 03:49:33,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:49:33,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 03:49:33,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:49:33,820 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 03:49:33,820 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-09 03:49:33,820 INFO L87 Difference]: Start difference. First operand 1057 states and 1636 transitions. Second operand has 5 states, 4 states have (on average 27.5) internal successors, (110), 5 states have internal predecessors, (110), 3 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (22), 2 states have call predecessors, (22), 3 states have call successors, (22) [2025-01-09 03:49:33,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:49:33,875 INFO L93 Difference]: Finished difference Result 2083 states and 3232 transitions. [2025-01-09 03:49:33,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 03:49:33,875 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 27.5) internal successors, (110), 5 states have internal predecessors, (110), 3 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (22), 2 states have call predecessors, (22), 3 states have call successors, (22) Word has length 190 [2025-01-09 03:49:33,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:49:33,881 INFO L225 Difference]: With dead ends: 2083 [2025-01-09 03:49:33,881 INFO L226 Difference]: Without dead ends: 1061 [2025-01-09 03:49:33,884 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-09 03:49:33,884 INFO L435 NwaCegarLoop]: 679 mSDtfsCounter, 1 mSDsluCounter, 2025 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 2704 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 03:49:33,885 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 2704 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 03:49:33,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1061 states. [2025-01-09 03:49:33,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1061 to 1061. [2025-01-09 03:49:33,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1061 states, 822 states have (on average 1.5523114355231145) internal successors, (1276), 833 states have internal predecessors, (1276), 174 states have call successors, (174), 59 states have call predecessors, (174), 64 states have return successors, (191), 172 states have call predecessors, (191), 172 states have call successors, (191) [2025-01-09 03:49:33,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1061 states to 1061 states and 1641 transitions. [2025-01-09 03:49:33,920 INFO L78 Accepts]: Start accepts. Automaton has 1061 states and 1641 transitions. Word has length 190 [2025-01-09 03:49:33,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:49:33,921 INFO L471 AbstractCegarLoop]: Abstraction has 1061 states and 1641 transitions. [2025-01-09 03:49:33,921 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 27.5) internal successors, (110), 5 states have internal predecessors, (110), 3 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (22), 2 states have call predecessors, (22), 3 states have call successors, (22) [2025-01-09 03:49:33,921 INFO L276 IsEmpty]: Start isEmpty. Operand 1061 states and 1641 transitions. [2025-01-09 03:49:33,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2025-01-09 03:49:33,952 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:49:33,952 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2025-01-09 03:49:33,952 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-01-09 03:49:33,952 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:49:33,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:49:33,953 INFO L85 PathProgramCache]: Analyzing trace with hash 420154753, now seen corresponding path program 1 times [2025-01-09 03:49:33,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:49:33,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697463372] [2025-01-09 03:49:33,953 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:49:33,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:49:33,977 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 172 statements into 1 equivalence classes. [2025-01-09 03:49:33,982 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 172 of 172 statements. [2025-01-09 03:49:33,982 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:49:33,982 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:49:34,133 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2025-01-09 03:49:34,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:49:34,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697463372] [2025-01-09 03:49:34,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1697463372] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:49:34,134 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 03:49:34,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-01-09 03:49:34,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530188412] [2025-01-09 03:49:34,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:49:34,135 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-09 03:49:34,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:49:34,135 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-09 03:49:34,135 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2025-01-09 03:49:34,136 INFO L87 Difference]: Start difference. First operand 1061 states and 1641 transitions. Second operand has 8 states, 7 states have (on average 15.285714285714286) internal successors, (107), 8 states have internal predecessors, (107), 4 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2025-01-09 03:49:34,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:49:34,273 INFO L93 Difference]: Finished difference Result 2082 states and 3225 transitions. [2025-01-09 03:49:34,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-09 03:49:34,274 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 15.285714285714286) internal successors, (107), 8 states have internal predecessors, (107), 4 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) Word has length 172 [2025-01-09 03:49:34,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:49:34,279 INFO L225 Difference]: With dead ends: 2082 [2025-01-09 03:49:34,279 INFO L226 Difference]: Without dead ends: 1065 [2025-01-09 03:49:34,282 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2025-01-09 03:49:34,282 INFO L435 NwaCegarLoop]: 669 mSDtfsCounter, 7 mSDsluCounter, 3985 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 4654 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-09 03:49:34,283 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 4654 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 03:49:34,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1065 states. [2025-01-09 03:49:34,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1065 to 1063. [2025-01-09 03:49:34,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1063 states, 824 states have (on average 1.5509708737864079) internal successors, (1278), 834 states have internal predecessors, (1278), 174 states have call successors, (174), 60 states have call predecessors, (174), 64 states have return successors, (189), 172 states have call predecessors, (189), 172 states have call successors, (189) [2025-01-09 03:49:34,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1063 states to 1063 states and 1641 transitions. [2025-01-09 03:49:34,320 INFO L78 Accepts]: Start accepts. Automaton has 1063 states and 1641 transitions. Word has length 172 [2025-01-09 03:49:34,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:49:34,320 INFO L471 AbstractCegarLoop]: Abstraction has 1063 states and 1641 transitions. [2025-01-09 03:49:34,321 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 15.285714285714286) internal successors, (107), 8 states have internal predecessors, (107), 4 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2025-01-09 03:49:34,321 INFO L276 IsEmpty]: Start isEmpty. Operand 1063 states and 1641 transitions. [2025-01-09 03:49:34,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2025-01-09 03:49:34,325 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:49:34,325 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2025-01-09 03:49:34,326 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-01-09 03:49:34,326 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:49:34,326 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:49:34,326 INFO L85 PathProgramCache]: Analyzing trace with hash 1012085038, now seen corresponding path program 2 times [2025-01-09 03:49:34,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:49:34,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306025570] [2025-01-09 03:49:34,327 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-09 03:49:34,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:49:34,347 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 173 statements into 2 equivalence classes. [2025-01-09 03:49:34,361 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 61 of 173 statements. [2025-01-09 03:49:34,361 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-01-09 03:49:34,361 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:49:34,577 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2025-01-09 03:49:34,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:49:34,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306025570] [2025-01-09 03:49:34,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [306025570] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:49:34,580 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 03:49:34,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-01-09 03:49:34,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928579113] [2025-01-09 03:49:34,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:49:34,580 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-09 03:49:34,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:49:34,581 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-09 03:49:34,581 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2025-01-09 03:49:34,581 INFO L87 Difference]: Start difference. First operand 1063 states and 1641 transitions. Second operand has 8 states, 8 states have (on average 13.25) internal successors, (106), 7 states have internal predecessors, (106), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (19), 4 states have call predecessors, (19), 3 states have call successors, (19) [2025-01-09 03:49:35,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:49:35,117 INFO L93 Difference]: Finished difference Result 2953 states and 4512 transitions. [2025-01-09 03:49:35,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-09 03:49:35,118 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.25) internal successors, (106), 7 states have internal predecessors, (106), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (19), 4 states have call predecessors, (19), 3 states have call successors, (19) Word has length 173 [2025-01-09 03:49:35,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:49:35,130 INFO L225 Difference]: With dead ends: 2953 [2025-01-09 03:49:35,130 INFO L226 Difference]: Without dead ends: 2445 [2025-01-09 03:49:35,133 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2025-01-09 03:49:35,134 INFO L435 NwaCegarLoop]: 722 mSDtfsCounter, 1408 mSDsluCounter, 3402 mSDsCounter, 0 mSdLazyCounter, 359 mSolverCounterSat, 202 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1433 SdHoareTripleChecker+Valid, 4124 SdHoareTripleChecker+Invalid, 561 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 202 IncrementalHoareTripleChecker+Valid, 359 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-01-09 03:49:35,134 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1433 Valid, 4124 Invalid, 561 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [202 Valid, 359 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-01-09 03:49:35,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2445 states. [2025-01-09 03:49:35,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2445 to 2123. [2025-01-09 03:49:35,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2123 states, 1646 states have (on average 1.5522478736330498) internal successors, (2555), 1668 states have internal predecessors, (2555), 344 states have call successors, (344), 120 states have call predecessors, (344), 132 states have return successors, (400), 342 states have call predecessors, (400), 340 states have call successors, (400) [2025-01-09 03:49:35,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2123 states to 2123 states and 3299 transitions. [2025-01-09 03:49:35,241 INFO L78 Accepts]: Start accepts. Automaton has 2123 states and 3299 transitions. Word has length 173 [2025-01-09 03:49:35,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:49:35,242 INFO L471 AbstractCegarLoop]: Abstraction has 2123 states and 3299 transitions. [2025-01-09 03:49:35,242 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.25) internal successors, (106), 7 states have internal predecessors, (106), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (19), 4 states have call predecessors, (19), 3 states have call successors, (19) [2025-01-09 03:49:35,242 INFO L276 IsEmpty]: Start isEmpty. Operand 2123 states and 3299 transitions. [2025-01-09 03:49:35,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2025-01-09 03:49:35,251 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:49:35,251 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 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] [2025-01-09 03:49:35,251 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-01-09 03:49:35,251 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:49:35,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:49:35,252 INFO L85 PathProgramCache]: Analyzing trace with hash -1244996181, now seen corresponding path program 1 times [2025-01-09 03:49:35,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:49:35,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324228911] [2025-01-09 03:49:35,252 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:49:35,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:49:35,274 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 192 statements into 1 equivalence classes. [2025-01-09 03:49:35,278 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 192 of 192 statements. [2025-01-09 03:49:35,278 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:49:35,278 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:49:35,355 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2025-01-09 03:49:35,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:49:35,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324228911] [2025-01-09 03:49:35,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [324228911] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 03:49:35,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [717627519] [2025-01-09 03:49:35,355 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:49:35,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 03:49:35,355 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 03:49:35,360 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 03:49:35,362 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-01-09 03:49:35,529 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 192 statements into 1 equivalence classes. [2025-01-09 03:49:35,635 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 192 of 192 statements. [2025-01-09 03:49:35,636 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:49:35,636 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:49:35,641 INFO L256 TraceCheckSpWp]: Trace formula consists of 1415 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-01-09 03:49:35,645 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 03:49:35,681 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2025-01-09 03:49:35,684 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 03:49:35,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [717627519] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:49:35,684 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 03:49:35,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2025-01-09 03:49:35,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813020983] [2025-01-09 03:49:35,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:49:35,685 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 03:49:35,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:49:35,686 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 03:49:35,686 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-01-09 03:49:35,686 INFO L87 Difference]: Start difference. First operand 2123 states and 3299 transitions. Second operand has 5 states, 5 states have (on average 22.2) internal successors, (111), 5 states have internal predecessors, (111), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2025-01-09 03:49:35,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:49:35,821 INFO L93 Difference]: Finished difference Result 3197 states and 4960 transitions. [2025-01-09 03:49:35,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 03:49:35,822 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.2) internal successors, (111), 5 states have internal predecessors, (111), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 192 [2025-01-09 03:49:35,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:49:35,832 INFO L225 Difference]: With dead ends: 3197 [2025-01-09 03:49:35,833 INFO L226 Difference]: Without dead ends: 2127 [2025-01-09 03:49:35,836 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-01-09 03:49:35,836 INFO L435 NwaCegarLoop]: 678 mSDtfsCounter, 1 mSDsluCounter, 2016 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 2694 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 03:49:35,837 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 2694 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 03:49:35,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2127 states. [2025-01-09 03:49:35,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2127 to 2119. [2025-01-09 03:49:35,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2119 states, 1644 states have (on average 1.5523114355231145) internal successors, (2552), 1666 states have internal predecessors, (2552), 342 states have call successors, (342), 120 states have call predecessors, (342), 132 states have return successors, (398), 340 states have call predecessors, (398), 338 states have call successors, (398) [2025-01-09 03:49:35,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2119 states to 2119 states and 3292 transitions. [2025-01-09 03:49:35,917 INFO L78 Accepts]: Start accepts. Automaton has 2119 states and 3292 transitions. Word has length 192 [2025-01-09 03:49:35,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:49:35,917 INFO L471 AbstractCegarLoop]: Abstraction has 2119 states and 3292 transitions. [2025-01-09 03:49:35,918 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.2) internal successors, (111), 5 states have internal predecessors, (111), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2025-01-09 03:49:35,918 INFO L276 IsEmpty]: Start isEmpty. Operand 2119 states and 3292 transitions. [2025-01-09 03:49:35,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2025-01-09 03:49:35,926 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:49:35,926 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2025-01-09 03:49:35,939 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-01-09 03:49:36,127 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2025-01-09 03:49:36,127 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:49:36,128 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:49:36,128 INFO L85 PathProgramCache]: Analyzing trace with hash -444143443, now seen corresponding path program 1 times [2025-01-09 03:49:36,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:49:36,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753920767] [2025-01-09 03:49:36,128 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:49:36,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:49:36,147 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 174 statements into 1 equivalence classes. [2025-01-09 03:49:36,153 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 174 of 174 statements. [2025-01-09 03:49:36,153 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:49:36,153 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:49:36,244 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2025-01-09 03:49:36,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:49:36,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753920767] [2025-01-09 03:49:36,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753920767] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:49:36,244 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 03:49:36,244 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-01-09 03:49:36,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774229029] [2025-01-09 03:49:36,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:49:36,246 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-09 03:49:36,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:49:36,246 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-09 03:49:36,246 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2025-01-09 03:49:36,247 INFO L87 Difference]: Start difference. First operand 2119 states and 3292 transitions. Second operand has 8 states, 7 states have (on average 15.571428571428571) internal successors, (109), 8 states have internal predecessors, (109), 4 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2025-01-09 03:49:36,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:49:36,391 INFO L93 Difference]: Finished difference Result 4179 states and 6500 transitions. [2025-01-09 03:49:36,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-09 03:49:36,392 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 15.571428571428571) internal successors, (109), 8 states have internal predecessors, (109), 4 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) Word has length 174 [2025-01-09 03:49:36,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:49:36,403 INFO L225 Difference]: With dead ends: 4179 [2025-01-09 03:49:36,403 INFO L226 Difference]: Without dead ends: 2127 [2025-01-09 03:49:36,409 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2025-01-09 03:49:36,410 INFO L435 NwaCegarLoop]: 671 mSDtfsCounter, 5 mSDsluCounter, 3997 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 4668 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-09 03:49:36,410 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 4668 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 03:49:36,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2127 states. [2025-01-09 03:49:36,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2127 to 2123. [2025-01-09 03:49:36,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2123 states, 1648 states have (on average 1.5509708737864079) internal successors, (2556), 1669 states have internal predecessors, (2556), 342 states have call successors, (342), 121 states have call predecessors, (342), 132 states have return successors, (394), 340 states have call predecessors, (394), 338 states have call successors, (394) [2025-01-09 03:49:36,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2123 states to 2123 states and 3292 transitions. [2025-01-09 03:49:36,535 INFO L78 Accepts]: Start accepts. Automaton has 2123 states and 3292 transitions. Word has length 174 [2025-01-09 03:49:36,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:49:36,535 INFO L471 AbstractCegarLoop]: Abstraction has 2123 states and 3292 transitions. [2025-01-09 03:49:36,535 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 15.571428571428571) internal successors, (109), 8 states have internal predecessors, (109), 4 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2025-01-09 03:49:36,536 INFO L276 IsEmpty]: Start isEmpty. Operand 2123 states and 3292 transitions. [2025-01-09 03:49:36,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2025-01-09 03:49:36,544 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:49:36,544 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 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] [2025-01-09 03:49:36,544 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-01-09 03:49:36,544 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:49:36,545 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:49:36,545 INFO L85 PathProgramCache]: Analyzing trace with hash -21475214, now seen corresponding path program 1 times [2025-01-09 03:49:36,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:49:36,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963390915] [2025-01-09 03:49:36,545 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:49:36,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:49:36,563 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 194 statements into 1 equivalence classes. [2025-01-09 03:49:36,572 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 194 of 194 statements. [2025-01-09 03:49:36,572 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:49:36,572 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:49:36,676 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2025-01-09 03:49:36,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:49:36,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963390915] [2025-01-09 03:49:36,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [963390915] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 03:49:36,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [20054257] [2025-01-09 03:49:36,677 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:49:36,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 03:49:36,677 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 03:49:36,679 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 03:49:36,681 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-01-09 03:49:36,847 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 194 statements into 1 equivalence classes. [2025-01-09 03:49:36,956 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 194 of 194 statements. [2025-01-09 03:49:36,956 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:49:36,956 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:49:36,961 INFO L256 TraceCheckSpWp]: Trace formula consists of 1417 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-09 03:49:36,965 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 03:49:36,997 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2025-01-09 03:49:36,997 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-09 03:49:37,096 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2025-01-09 03:49:37,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [20054257] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-09 03:49:37,097 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-09 03:49:37,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4, 4] total 11 [2025-01-09 03:49:37,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875624634] [2025-01-09 03:49:37,097 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-09 03:49:37,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-01-09 03:49:37,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:49:37,098 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-01-09 03:49:37,098 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2025-01-09 03:49:37,098 INFO L87 Difference]: Start difference. First operand 2123 states and 3292 transitions. Second operand has 11 states, 10 states have (on average 17.5) internal successors, (175), 11 states have internal predecessors, (175), 4 states have call successors, (45), 2 states have call predecessors, (45), 3 states have return successors, (42), 3 states have call predecessors, (42), 4 states have call successors, (42) [2025-01-09 03:49:37,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:49:37,845 INFO L93 Difference]: Finished difference Result 6013 states and 9756 transitions. [2025-01-09 03:49:37,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-09 03:49:37,845 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 17.5) internal successors, (175), 11 states have internal predecessors, (175), 4 states have call successors, (45), 2 states have call predecessors, (45), 3 states have return successors, (42), 3 states have call predecessors, (42), 4 states have call successors, (42) Word has length 194 [2025-01-09 03:49:37,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:49:37,865 INFO L225 Difference]: With dead ends: 6013 [2025-01-09 03:49:37,865 INFO L226 Difference]: Without dead ends: 3969 [2025-01-09 03:49:37,873 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 406 GetRequests, 385 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=106, Invalid=400, Unknown=0, NotChecked=0, Total=506 [2025-01-09 03:49:37,873 INFO L435 NwaCegarLoop]: 673 mSDtfsCounter, 1600 mSDsluCounter, 4616 mSDsCounter, 0 mSdLazyCounter, 625 mSolverCounterSat, 113 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1600 SdHoareTripleChecker+Valid, 5289 SdHoareTripleChecker+Invalid, 738 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 113 IncrementalHoareTripleChecker+Valid, 625 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-01-09 03:49:37,873 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1600 Valid, 5289 Invalid, 738 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [113 Valid, 625 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-01-09 03:49:37,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3969 states. [2025-01-09 03:49:38,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3969 to 3873. [2025-01-09 03:49:38,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3873 states, 3082 states have (on average 1.608695652173913) internal successors, (4958), 3102 states have internal predecessors, (4958), 658 states have call successors, (658), 122 states have call predecessors, (658), 132 states have return successors, (790), 656 states have call predecessors, (790), 654 states have call successors, (790) [2025-01-09 03:49:38,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3873 states to 3873 states and 6406 transitions. [2025-01-09 03:49:38,047 INFO L78 Accepts]: Start accepts. Automaton has 3873 states and 6406 transitions. Word has length 194 [2025-01-09 03:49:38,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:49:38,047 INFO L471 AbstractCegarLoop]: Abstraction has 3873 states and 6406 transitions. [2025-01-09 03:49:38,048 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 17.5) internal successors, (175), 11 states have internal predecessors, (175), 4 states have call successors, (45), 2 states have call predecessors, (45), 3 states have return successors, (42), 3 states have call predecessors, (42), 4 states have call successors, (42) [2025-01-09 03:49:38,048 INFO L276 IsEmpty]: Start isEmpty. Operand 3873 states and 6406 transitions. [2025-01-09 03:49:38,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2025-01-09 03:49:38,062 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:49:38,062 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2025-01-09 03:49:38,070 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-01-09 03:49:38,262 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2025-01-09 03:49:38,263 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:49:38,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:49:38,264 INFO L85 PathProgramCache]: Analyzing trace with hash 1883039462, now seen corresponding path program 1 times [2025-01-09 03:49:38,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:49:38,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38394828] [2025-01-09 03:49:38,265 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:49:38,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:49:38,280 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 179 statements into 1 equivalence classes. [2025-01-09 03:49:38,288 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 179 of 179 statements. [2025-01-09 03:49:38,288 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:49:38,288 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:49:38,316 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2025-01-09 03:49:38,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:49:38,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38394828] [2025-01-09 03:49:38,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [38394828] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:49:38,316 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 03:49:38,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 03:49:38,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427165954] [2025-01-09 03:49:38,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:49:38,318 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 03:49:38,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:49:38,318 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 03:49:38,318 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 03:49:38,319 INFO L87 Difference]: Start difference. First operand 3873 states and 6406 transitions. Second operand has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2025-01-09 03:49:38,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:49:38,532 INFO L93 Difference]: Finished difference Result 9143 states and 15386 transitions. [2025-01-09 03:49:38,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 03:49:38,533 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 179 [2025-01-09 03:49:38,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:49:38,559 INFO L225 Difference]: With dead ends: 9143 [2025-01-09 03:49:38,559 INFO L226 Difference]: Without dead ends: 5537 [2025-01-09 03:49:38,569 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 03:49:38,571 INFO L435 NwaCegarLoop]: 695 mSDtfsCounter, 139 mSDsluCounter, 675 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 1370 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 03:49:38,571 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 1370 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 03:49:38,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5537 states. [2025-01-09 03:49:38,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5537 to 5505. [2025-01-09 03:49:38,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5505 states, 4398 states have (on average 1.630286493860846) internal successors, (7170), 4418 states have internal predecessors, (7170), 974 states have call successors, (974), 122 states have call predecessors, (974), 132 states have return successors, (1186), 972 states have call predecessors, (1186), 970 states have call successors, (1186) [2025-01-09 03:49:38,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5505 states to 5505 states and 9330 transitions. [2025-01-09 03:49:38,747 INFO L78 Accepts]: Start accepts. Automaton has 5505 states and 9330 transitions. Word has length 179 [2025-01-09 03:49:38,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:49:38,748 INFO L471 AbstractCegarLoop]: Abstraction has 5505 states and 9330 transitions. [2025-01-09 03:49:38,748 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2025-01-09 03:49:38,748 INFO L276 IsEmpty]: Start isEmpty. Operand 5505 states and 9330 transitions. [2025-01-09 03:49:38,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2025-01-09 03:49:38,769 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:49:38,770 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 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] [2025-01-09 03:49:38,770 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-01-09 03:49:38,770 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:49:38,770 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:49:38,770 INFO L85 PathProgramCache]: Analyzing trace with hash 1151684854, now seen corresponding path program 1 times [2025-01-09 03:49:38,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:49:38,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977331058] [2025-01-09 03:49:38,771 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:49:38,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:49:38,789 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 199 statements into 1 equivalence classes. [2025-01-09 03:49:38,794 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 199 of 199 statements. [2025-01-09 03:49:38,794 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:49:38,794 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:49:38,827 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2025-01-09 03:49:38,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:49:38,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977331058] [2025-01-09 03:49:38,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977331058] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:49:38,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 03:49:38,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 03:49:38,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864198492] [2025-01-09 03:49:38,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:49:38,828 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 03:49:38,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:49:38,829 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 03:49:38,829 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 03:49:38,829 INFO L87 Difference]: Start difference. First operand 5505 states and 9330 transitions. Second operand has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2025-01-09 03:49:39,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:49:39,085 INFO L93 Difference]: Finished difference Result 13231 states and 22610 transitions. [2025-01-09 03:49:39,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 03:49:39,086 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 199 [2025-01-09 03:49:39,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:49:39,135 INFO L225 Difference]: With dead ends: 13231 [2025-01-09 03:49:39,135 INFO L226 Difference]: Without dead ends: 8197 [2025-01-09 03:49:39,153 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 03:49:39,154 INFO L435 NwaCegarLoop]: 685 mSDtfsCounter, 137 mSDsluCounter, 677 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 1362 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 03:49:39,154 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 1362 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 03:49:39,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8197 states. [2025-01-09 03:49:39,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8197 to 8165. [2025-01-09 03:49:39,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8165 states, 6582 states have (on average 1.6423579459130964) internal successors, (10810), 6602 states have internal predecessors, (10810), 1450 states have call successors, (1450), 122 states have call predecessors, (1450), 132 states have return successors, (1726), 1448 states have call predecessors, (1726), 1446 states have call successors, (1726) [2025-01-09 03:49:39,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8165 states to 8165 states and 13986 transitions. [2025-01-09 03:49:39,389 INFO L78 Accepts]: Start accepts. Automaton has 8165 states and 13986 transitions. Word has length 199 [2025-01-09 03:49:39,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:49:39,390 INFO L471 AbstractCegarLoop]: Abstraction has 8165 states and 13986 transitions. [2025-01-09 03:49:39,390 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2025-01-09 03:49:39,390 INFO L276 IsEmpty]: Start isEmpty. Operand 8165 states and 13986 transitions. [2025-01-09 03:49:39,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2025-01-09 03:49:39,424 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:49:39,424 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2025-01-09 03:49:39,424 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-01-09 03:49:39,424 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:49:39,425 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:49:39,425 INFO L85 PathProgramCache]: Analyzing trace with hash 1757796472, now seen corresponding path program 1 times [2025-01-09 03:49:39,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:49:39,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920781379] [2025-01-09 03:49:39,425 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:49:39,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:49:39,441 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 181 statements into 1 equivalence classes. [2025-01-09 03:49:39,448 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 181 of 181 statements. [2025-01-09 03:49:39,450 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:49:39,450 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:49:39,523 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2025-01-09 03:49:39,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:49:39,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920781379] [2025-01-09 03:49:39,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [920781379] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:49:39,524 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 03:49:39,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 03:49:39,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908672607] [2025-01-09 03:49:39,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:49:39,525 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 03:49:39,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:49:39,525 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 03:49:39,525 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 03:49:39,525 INFO L87 Difference]: Start difference. First operand 8165 states and 13986 transitions. Second operand has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2025-01-09 03:49:39,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:49:39,719 INFO L93 Difference]: Finished difference Result 19459 states and 33646 transitions. [2025-01-09 03:49:39,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 03:49:39,720 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 181 [2025-01-09 03:49:39,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:49:39,767 INFO L225 Difference]: With dead ends: 19459 [2025-01-09 03:49:39,768 INFO L226 Difference]: Without dead ends: 12289 [2025-01-09 03:49:39,797 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 03:49:39,797 INFO L435 NwaCegarLoop]: 683 mSDtfsCounter, 135 mSDsluCounter, 674 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 1357 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 03:49:39,797 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 1357 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 03:49:39,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12289 states. [2025-01-09 03:49:40,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12289 to 12257. [2025-01-09 03:49:40,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12257 states, 10026 states have (on average 1.651905046878117) internal successors, (16562), 10046 states have internal predecessors, (16562), 2098 states have call successors, (2098), 122 states have call predecessors, (2098), 132 states have return successors, (2542), 2096 states have call predecessors, (2542), 2094 states have call successors, (2542) [2025-01-09 03:49:40,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12257 states to 12257 states and 21202 transitions. [2025-01-09 03:49:40,362 INFO L78 Accepts]: Start accepts. Automaton has 12257 states and 21202 transitions. Word has length 181 [2025-01-09 03:49:40,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:49:40,362 INFO L471 AbstractCegarLoop]: Abstraction has 12257 states and 21202 transitions. [2025-01-09 03:49:40,363 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2025-01-09 03:49:40,363 INFO L276 IsEmpty]: Start isEmpty. Operand 12257 states and 21202 transitions. [2025-01-09 03:49:40,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2025-01-09 03:49:40,413 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:49:40,413 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2025-01-09 03:49:40,413 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-01-09 03:49:40,414 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:49:40,414 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:49:40,414 INFO L85 PathProgramCache]: Analyzing trace with hash -1765398854, now seen corresponding path program 1 times [2025-01-09 03:49:40,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:49:40,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622934192] [2025-01-09 03:49:40,414 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:49:40,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:49:40,438 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 182 statements into 1 equivalence classes. [2025-01-09 03:49:40,451 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 182 of 182 statements. [2025-01-09 03:49:40,452 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:49:40,452 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:49:40,491 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2025-01-09 03:49:40,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:49:40,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622934192] [2025-01-09 03:49:40,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [622934192] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:49:40,491 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 03:49:40,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 03:49:40,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449990578] [2025-01-09 03:49:40,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:49:40,492 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 03:49:40,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:49:40,493 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 03:49:40,493 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 03:49:40,493 INFO L87 Difference]: Start difference. First operand 12257 states and 21202 transitions. Second operand has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2025-01-09 03:49:41,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:49:41,065 INFO L93 Difference]: Finished difference Result 29331 states and 51174 transitions. [2025-01-09 03:49:41,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 03:49:41,066 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 182 [2025-01-09 03:49:41,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:49:41,135 INFO L225 Difference]: With dead ends: 29331 [2025-01-09 03:49:41,135 INFO L226 Difference]: Without dead ends: 18917 [2025-01-09 03:49:41,159 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 03:49:41,160 INFO L435 NwaCegarLoop]: 683 mSDtfsCounter, 133 mSDsluCounter, 674 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 1357 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 03:49:41,160 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 1357 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 03:49:41,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18917 states. [2025-01-09 03:49:41,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18917 to 18885. [2025-01-09 03:49:41,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18885 states, 15674 states have (on average 1.6586704095955085) internal successors, (25998), 15694 states have internal predecessors, (25998), 3078 states have call successors, (3078), 122 states have call predecessors, (3078), 132 states have return successors, (3802), 3076 states have call predecessors, (3802), 3074 states have call successors, (3802) [2025-01-09 03:49:41,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18885 states to 18885 states and 32878 transitions. [2025-01-09 03:49:41,823 INFO L78 Accepts]: Start accepts. Automaton has 18885 states and 32878 transitions. Word has length 182 [2025-01-09 03:49:41,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:49:41,824 INFO L471 AbstractCegarLoop]: Abstraction has 18885 states and 32878 transitions. [2025-01-09 03:49:41,824 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2025-01-09 03:49:41,825 INFO L276 IsEmpty]: Start isEmpty. Operand 18885 states and 32878 transitions. [2025-01-09 03:49:41,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2025-01-09 03:49:41,884 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:49:41,884 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 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] [2025-01-09 03:49:41,884 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-01-09 03:49:41,884 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:49:41,885 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:49:41,885 INFO L85 PathProgramCache]: Analyzing trace with hash 568388629, now seen corresponding path program 1 times [2025-01-09 03:49:41,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:49:41,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281533729] [2025-01-09 03:49:41,885 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:49:41,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:49:41,905 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 202 statements into 1 equivalence classes. [2025-01-09 03:49:41,911 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 202 of 202 statements. [2025-01-09 03:49:41,911 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:49:41,911 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:49:41,944 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2025-01-09 03:49:41,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:49:41,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281533729] [2025-01-09 03:49:41,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1281533729] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:49:41,944 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 03:49:41,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 03:49:41,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276259682] [2025-01-09 03:49:41,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:49:41,944 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 03:49:41,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:49:41,945 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 03:49:41,945 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 03:49:41,945 INFO L87 Difference]: Start difference. First operand 18885 states and 32878 transitions. Second operand has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2025-01-09 03:49:42,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:49:42,549 INFO L93 Difference]: Finished difference Result 45827 states and 80462 transitions. [2025-01-09 03:49:42,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 03:49:42,549 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 202 [2025-01-09 03:49:42,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:49:42,793 INFO L225 Difference]: With dead ends: 45827 [2025-01-09 03:49:42,793 INFO L226 Difference]: Without dead ends: 30069 [2025-01-09 03:49:42,824 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 03:49:42,825 INFO L435 NwaCegarLoop]: 692 mSDtfsCounter, 131 mSDsluCounter, 672 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 1364 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 03:49:42,826 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 1364 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 03:49:42,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30069 states. [2025-01-09 03:49:43,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30069 to 30037. [2025-01-09 03:49:43,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30037 states, 24854 states have (on average 1.6582441458115393) internal successors, (41214), 24874 states have internal predecessors, (41214), 5050 states have call successors, (5050), 122 states have call predecessors, (5050), 132 states have return successors, (6262), 5048 states have call predecessors, (6262), 5046 states have call successors, (6262) [2025-01-09 03:49:43,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30037 states to 30037 states and 52526 transitions. [2025-01-09 03:49:43,956 INFO L78 Accepts]: Start accepts. Automaton has 30037 states and 52526 transitions. Word has length 202 [2025-01-09 03:49:43,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:49:43,957 INFO L471 AbstractCegarLoop]: Abstraction has 30037 states and 52526 transitions. [2025-01-09 03:49:43,957 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2025-01-09 03:49:43,957 INFO L276 IsEmpty]: Start isEmpty. Operand 30037 states and 52526 transitions. [2025-01-09 03:49:44,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2025-01-09 03:49:44,051 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:49:44,051 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2025-01-09 03:49:44,052 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-01-09 03:49:44,052 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:49:44,052 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:49:44,052 INFO L85 PathProgramCache]: Analyzing trace with hash -2071001578, now seen corresponding path program 1 times [2025-01-09 03:49:44,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:49:44,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869914014] [2025-01-09 03:49:44,053 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:49:44,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:49:44,072 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 184 statements into 1 equivalence classes. [2025-01-09 03:49:44,080 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 184 of 184 statements. [2025-01-09 03:49:44,080 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:49:44,080 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:49:44,109 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2025-01-09 03:49:44,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:49:44,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869914014] [2025-01-09 03:49:44,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [869914014] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:49:44,109 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 03:49:44,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 03:49:44,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440106731] [2025-01-09 03:49:44,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:49:44,112 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 03:49:44,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:49:44,112 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 03:49:44,112 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 03:49:44,112 INFO L87 Difference]: Start difference. First operand 30037 states and 52526 transitions. Second operand has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2025-01-09 03:49:45,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:49:45,104 INFO L93 Difference]: Finished difference Result 75755 states and 133102 transitions. [2025-01-09 03:49:45,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 03:49:45,104 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 184 [2025-01-09 03:49:45,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:49:45,310 INFO L225 Difference]: With dead ends: 75755 [2025-01-09 03:49:45,311 INFO L226 Difference]: Without dead ends: 50389 [2025-01-09 03:49:45,404 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 03:49:45,405 INFO L435 NwaCegarLoop]: 687 mSDtfsCounter, 129 mSDsluCounter, 677 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 1364 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 03:49:45,406 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 1364 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 03:49:45,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50389 states. [2025-01-09 03:49:47,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50389 to 50357. [2025-01-09 03:49:47,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50357 states, 41886 states have (on average 1.6590268824905696) internal successors, (69490), 41906 states have internal predecessors, (69490), 8338 states have call successors, (8338), 122 states have call predecessors, (8338), 132 states have return successors, (10150), 8336 states have call predecessors, (10150), 8334 states have call successors, (10150) [2025-01-09 03:49:47,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50357 states to 50357 states and 87978 transitions. [2025-01-09 03:49:47,735 INFO L78 Accepts]: Start accepts. Automaton has 50357 states and 87978 transitions. Word has length 184 [2025-01-09 03:49:47,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:49:47,735 INFO L471 AbstractCegarLoop]: Abstraction has 50357 states and 87978 transitions. [2025-01-09 03:49:47,735 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2025-01-09 03:49:47,735 INFO L276 IsEmpty]: Start isEmpty. Operand 50357 states and 87978 transitions. [2025-01-09 03:49:47,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2025-01-09 03:49:47,926 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:49:47,926 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 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] [2025-01-09 03:49:47,926 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2025-01-09 03:49:47,926 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:49:47,927 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:49:47,927 INFO L85 PathProgramCache]: Analyzing trace with hash 1735454627, now seen corresponding path program 1 times [2025-01-09 03:49:47,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:49:47,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321120131] [2025-01-09 03:49:47,927 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:49:47,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:49:47,951 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 204 statements into 1 equivalence classes. [2025-01-09 03:49:47,957 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 204 of 204 statements. [2025-01-09 03:49:47,957 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:49:47,957 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:49:47,997 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2025-01-09 03:49:47,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:49:47,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321120131] [2025-01-09 03:49:47,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [321120131] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:49:47,997 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 03:49:47,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 03:49:47,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599535116] [2025-01-09 03:49:47,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:49:47,998 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 03:49:47,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:49:47,998 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 03:49:47,998 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 03:49:47,998 INFO L87 Difference]: Start difference. First operand 50357 states and 87978 transitions. Second operand has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2025-01-09 03:49:49,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:49:49,683 INFO L93 Difference]: Finished difference Result 120735 states and 210950 transitions. [2025-01-09 03:49:49,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 03:49:49,684 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 204 [2025-01-09 03:49:49,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:49:49,993 INFO L225 Difference]: With dead ends: 120735 [2025-01-09 03:49:49,994 INFO L226 Difference]: Without dead ends: 78977 [2025-01-09 03:49:50,140 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 03:49:50,141 INFO L435 NwaCegarLoop]: 685 mSDtfsCounter, 127 mSDsluCounter, 649 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 1334 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 03:49:50,141 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 1334 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 03:49:50,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78977 states. [2025-01-09 03:49:53,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78977 to 78945. [2025-01-09 03:49:53,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78945 states, 65662 states have (on average 1.635801529042673) internal successors, (107410), 65682 states have internal predecessors, (107410), 13150 states have call successors, (13150), 122 states have call predecessors, (13150), 132 states have return successors, (16374), 13148 states have call predecessors, (16374), 13146 states have call successors, (16374) [2025-01-09 03:49:53,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78945 states to 78945 states and 136934 transitions. [2025-01-09 03:49:53,978 INFO L78 Accepts]: Start accepts. Automaton has 78945 states and 136934 transitions. Word has length 204 [2025-01-09 03:49:53,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 03:49:53,979 INFO L471 AbstractCegarLoop]: Abstraction has 78945 states and 136934 transitions. [2025-01-09 03:49:53,979 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2025-01-09 03:49:53,979 INFO L276 IsEmpty]: Start isEmpty. Operand 78945 states and 136934 transitions. [2025-01-09 03:49:54,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2025-01-09 03:49:54,280 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 03:49:54,280 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 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] [2025-01-09 03:49:54,280 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2025-01-09 03:49:54,280 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 03:49:54,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 03:49:54,281 INFO L85 PathProgramCache]: Analyzing trace with hash -823742788, now seen corresponding path program 1 times [2025-01-09 03:49:54,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 03:49:54,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304048253] [2025-01-09 03:49:54,281 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 03:49:54,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 03:49:54,306 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 205 statements into 1 equivalence classes. [2025-01-09 03:49:54,314 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 205 of 205 statements. [2025-01-09 03:49:54,314 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 03:49:54,314 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 03:49:54,355 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2025-01-09 03:49:54,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 03:49:54,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304048253] [2025-01-09 03:49:54,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304048253] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 03:49:54,356 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 03:49:54,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 03:49:54,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872823156] [2025-01-09 03:49:54,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 03:49:54,357 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 03:49:54,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 03:49:54,358 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 03:49:54,359 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 03:49:54,359 INFO L87 Difference]: Start difference. First operand 78945 states and 136934 transitions. Second operand has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2025-01-09 03:49:57,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 03:49:57,540 INFO L93 Difference]: Finished difference Result 208743 states and 363586 transitions. [2025-01-09 03:49:57,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 03:49:57,541 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 205 [2025-01-09 03:49:57,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 03:49:58,011 INFO L225 Difference]: With dead ends: 208743 [2025-01-09 03:49:58,011 INFO L226 Difference]: Without dead ends: 140989 [2025-01-09 03:49:58,177 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 03:49:58,179 INFO L435 NwaCegarLoop]: 683 mSDtfsCounter, 125 mSDsluCounter, 677 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 1360 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 03:49:58,179 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 1360 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 03:49:58,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140989 states.