./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec7_product17.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec7_product17.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/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 cc6bd9a8e81eed69bb1e052a3e58ea0f1400924f4533cb09f3cdffebd7dfcd4d --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-19 21:59:07,789 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 21:59:07,873 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-19 21:59:07,877 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 21:59:07,877 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 21:59:07,909 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 21:59:07,910 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 21:59:07,910 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 21:59:07,911 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 21:59:07,913 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 21:59:07,913 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 21:59:07,914 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 21:59:07,914 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 21:59:07,915 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 21:59:07,917 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 21:59:07,917 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 21:59:07,918 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 21:59:07,918 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 21:59:07,918 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 21:59:07,918 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 21:59:07,919 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 21:59:07,919 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 21:59:07,919 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 21:59:07,920 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 21:59:07,920 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 21:59:07,924 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 21:59:07,924 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 21:59:07,925 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 21:59:07,925 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 21:59:07,925 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 21:59:07,925 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 21:59:07,926 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 21:59:07,926 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 21:59:07,926 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 21:59:07,926 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 21:59:07,927 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 21:59:07,927 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 21:59:07,927 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 21:59:07,927 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 21:59:07,927 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 21:59:07,928 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 21:59:07,929 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 21:59:07,929 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cc6bd9a8e81eed69bb1e052a3e58ea0f1400924f4533cb09f3cdffebd7dfcd4d [2024-11-19 21:59:08,182 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 21:59:08,210 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 21:59:08,213 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 21:59:08,214 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 21:59:08,215 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 21:59:08,216 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec7_product17.cil.c [2024-11-19 21:59:09,684 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 21:59:09,981 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 21:59:09,983 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec7_product17.cil.c [2024-11-19 21:59:10,015 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9004c1df/ee00595d092d49df8d75b66a999ee63c/FLAGf0cf6b4b2 [2024-11-19 21:59:10,028 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9004c1df/ee00595d092d49df8d75b66a999ee63c [2024-11-19 21:59:10,030 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 21:59:10,032 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 21:59:10,032 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 21:59:10,033 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 21:59:10,037 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 21:59:10,037 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 09:59:10" (1/1) ... [2024-11-19 21:59:10,038 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b64efd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:59:10, skipping insertion in model container [2024-11-19 21:59:10,038 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 09:59:10" (1/1) ... [2024-11-19 21:59:10,104 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 21:59:10,604 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec7_product17.cil.c[48205,48218] [2024-11-19 21:59:10,658 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 21:59:10,671 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 21:59:10,682 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EncryptVerify_spec.i","") [48] [2024-11-19 21:59:10,684 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [79] [2024-11-19 21:59:10,684 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [445] [2024-11-19 21:59:10,684 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [463] [2024-11-19 21:59:10,684 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [1543] [2024-11-19 21:59:10,685 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [1955] [2024-11-19 21:59:10,685 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [2053] [2024-11-19 21:59:10,685 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [2091] [2024-11-19 21:59:10,685 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2100] [2024-11-19 21:59:10,685 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [2325] [2024-11-19 21:59:10,686 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [2610] [2024-11-19 21:59:10,782 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec7_product17.cil.c[48205,48218] [2024-11-19 21:59:10,801 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 21:59:10,850 INFO L204 MainTranslator]: Completed translation [2024-11-19 21:59:10,850 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:59:10 WrapperNode [2024-11-19 21:59:10,850 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 21:59:10,851 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 21:59:10,851 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 21:59:10,852 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 21:59:10,858 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:59:10" (1/1) ... [2024-11-19 21:59:10,893 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:59:10" (1/1) ... [2024-11-19 21:59:10,950 INFO L138 Inliner]: procedures = 127, calls = 191, calls flagged for inlining = 54, calls inlined = 47, statements flattened = 918 [2024-11-19 21:59:10,950 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 21:59:10,951 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 21:59:10,951 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 21:59:10,954 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 21:59:10,965 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:59:10" (1/1) ... [2024-11-19 21:59:10,965 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:59:10" (1/1) ... [2024-11-19 21:59:10,979 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:59:10" (1/1) ... [2024-11-19 21:59:11,012 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]. [2024-11-19 21:59:11,013 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:59:10" (1/1) ... [2024-11-19 21:59:11,013 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:59:10" (1/1) ... [2024-11-19 21:59:11,038 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:59:10" (1/1) ... [2024-11-19 21:59:11,050 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:59:10" (1/1) ... [2024-11-19 21:59:11,059 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:59:10" (1/1) ... [2024-11-19 21:59:11,063 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:59:10" (1/1) ... [2024-11-19 21:59:11,075 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 21:59:11,076 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 21:59:11,076 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 21:59:11,077 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 21:59:11,077 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:59:10" (1/1) ... [2024-11-19 21:59:11,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 21:59:11,097 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 21:59:11,117 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 21:59:11,125 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 21:59:11,169 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-11-19 21:59:11,169 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-11-19 21:59:11,169 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-11-19 21:59:11,169 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-11-19 21:59:11,169 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2024-11-19 21:59:11,169 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2024-11-19 21:59:11,170 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-11-19 21:59:11,170 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-11-19 21:59:11,171 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-11-19 21:59:11,171 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-11-19 21:59:11,171 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-11-19 21:59:11,171 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-11-19 21:59:11,172 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-11-19 21:59:11,172 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-11-19 21:59:11,173 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2024-11-19 21:59:11,173 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2024-11-19 21:59:11,173 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-11-19 21:59:11,173 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-11-19 21:59:11,173 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-11-19 21:59:11,175 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-11-19 21:59:11,175 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-11-19 21:59:11,175 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-11-19 21:59:11,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 21:59:11,175 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2024-11-19 21:59:11,175 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2024-11-19 21:59:11,175 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-11-19 21:59:11,176 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-11-19 21:59:11,176 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-11-19 21:59:11,176 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-11-19 21:59:11,176 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-11-19 21:59:11,176 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-11-19 21:59:11,176 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-11-19 21:59:11,176 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-11-19 21:59:11,176 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-11-19 21:59:11,176 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-11-19 21:59:11,177 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-11-19 21:59:11,177 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-11-19 21:59:11,177 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-11-19 21:59:11,177 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-11-19 21:59:11,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 21:59:11,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 21:59:11,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 21:59:11,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-19 21:59:11,178 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-11-19 21:59:11,178 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-11-19 21:59:11,178 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-11-19 21:59:11,178 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-11-19 21:59:11,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 21:59:11,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 21:59:11,394 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 21:59:11,396 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 21:59:12,236 INFO L? ?]: Removed 466 outVars from TransFormulas that were not future-live. [2024-11-19 21:59:12,236 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 21:59:12,261 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 21:59:12,261 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-19 21:59:12,265 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:59:12 BoogieIcfgContainer [2024-11-19 21:59:12,265 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 21:59:12,268 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 21:59:12,268 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 21:59:12,272 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 21:59:12,273 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 09:59:10" (1/3) ... [2024-11-19 21:59:12,274 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f248b39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 09:59:12, skipping insertion in model container [2024-11-19 21:59:12,274 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:59:10" (2/3) ... [2024-11-19 21:59:12,274 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f248b39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 09:59:12, skipping insertion in model container [2024-11-19 21:59:12,275 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:59:12" (3/3) ... [2024-11-19 21:59:12,276 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec7_product17.cil.c [2024-11-19 21:59:12,293 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 21:59:12,293 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-19 21:59:12,378 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 21:59:12,386 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;@7d1cfa92, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 21:59:12,386 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-19 21:59:12,393 INFO L276 IsEmpty]: Start isEmpty. Operand has 345 states, 274 states have (on average 1.5875912408759123) internal successors, (435), 277 states have internal predecessors, (435), 48 states have call successors, (48), 21 states have call predecessors, (48), 21 states have return successors, (48), 47 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-19 21:59:12,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-19 21:59:12,415 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 21:59:12,416 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 21:59:12,416 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 21:59:12,422 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 21:59:12,422 INFO L85 PathProgramCache]: Analyzing trace with hash -299076794, now seen corresponding path program 1 times [2024-11-19 21:59:12,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 21:59:12,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425245870] [2024-11-19 21:59:12,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:59:12,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 21:59:12,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:13,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 21:59:13,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:13,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 21:59:13,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:13,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 21:59:13,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:13,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-19 21:59:13,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:13,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-19 21:59:13,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:13,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-19 21:59:13,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:13,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-19 21:59:13,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:13,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-19 21:59:13,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:13,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-19 21:59:13,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:13,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-19 21:59:13,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:13,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-19 21:59:13,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:13,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-19 21:59:13,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:13,245 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-19 21:59:13,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 21:59:13,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425245870] [2024-11-19 21:59:13,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [425245870] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 21:59:13,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1603613717] [2024-11-19 21:59:13,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:59:13,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 21:59:13,248 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 21:59:13,250 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 21:59:13,252 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-19 21:59:13,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:13,600 INFO L255 TraceCheckSpWp]: Trace formula consists of 954 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-19 21:59:13,610 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 21:59:13,633 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-19 21:59:13,634 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 21:59:13,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1603613717] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 21:59:13,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 21:59:13,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2024-11-19 21:59:13,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611646582] [2024-11-19 21:59:13,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 21:59:13,643 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-19 21:59:13,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 21:59:13,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-19 21:59:13,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-19 21:59:13,671 INFO L87 Difference]: Start difference. First operand has 345 states, 274 states have (on average 1.5875912408759123) internal successors, (435), 277 states have internal predecessors, (435), 48 states have call successors, (48), 21 states have call predecessors, (48), 21 states have return successors, (48), 47 states have call predecessors, (48), 48 states have call successors, (48) Second operand has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-19 21:59:13,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 21:59:13,739 INFO L93 Difference]: Finished difference Result 502 states and 760 transitions. [2024-11-19 21:59:13,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-19 21:59:13,741 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 95 [2024-11-19 21:59:13,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 21:59:13,754 INFO L225 Difference]: With dead ends: 502 [2024-11-19 21:59:13,755 INFO L226 Difference]: Without dead ends: 338 [2024-11-19 21:59:13,762 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-19 21:59:13,765 INFO L432 NwaCegarLoop]: 527 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 527 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 21:59:13,766 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 527 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 21:59:13,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2024-11-19 21:59:13,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 338. [2024-11-19 21:59:13,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 338 states, 268 states have (on average 1.5820895522388059) internal successors, (424), 270 states have internal predecessors, (424), 48 states have call successors, (48), 21 states have call predecessors, (48), 21 states have return successors, (47), 46 states have call predecessors, (47), 47 states have call successors, (47) [2024-11-19 21:59:13,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 519 transitions. [2024-11-19 21:59:13,833 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 519 transitions. Word has length 95 [2024-11-19 21:59:13,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 21:59:13,834 INFO L471 AbstractCegarLoop]: Abstraction has 338 states and 519 transitions. [2024-11-19 21:59:13,834 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-19 21:59:13,834 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 519 transitions. [2024-11-19 21:59:13,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-19 21:59:13,840 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 21:59:13,840 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 21:59:13,851 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-19 21:59:14,044 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-19 21:59:14,045 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 21:59:14,045 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 21:59:14,045 INFO L85 PathProgramCache]: Analyzing trace with hash 150434243, now seen corresponding path program 1 times [2024-11-19 21:59:14,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 21:59:14,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176598059] [2024-11-19 21:59:14,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:59:14,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 21:59:14,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:14,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 21:59:14,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:14,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 21:59:14,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:14,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 21:59:14,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:14,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-19 21:59:14,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:14,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-19 21:59:14,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:14,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-19 21:59:14,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:14,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-19 21:59:14,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:14,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-19 21:59:14,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:14,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-19 21:59:14,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:14,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-19 21:59:14,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:14,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-19 21:59:14,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:14,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-19 21:59:14,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:14,366 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-19 21:59:14,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 21:59:14,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176598059] [2024-11-19 21:59:14,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1176598059] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 21:59:14,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [895020368] [2024-11-19 21:59:14,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:59:14,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 21:59:14,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 21:59:14,372 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 21:59:14,374 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-19 21:59:14,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:14,653 INFO L255 TraceCheckSpWp]: Trace formula consists of 955 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-19 21:59:14,657 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 21:59:14,679 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-19 21:59:14,683 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 21:59:14,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [895020368] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 21:59:14,684 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 21:59:14,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-11-19 21:59:14,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450803402] [2024-11-19 21:59:14,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 21:59:14,689 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 21:59:14,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 21:59:14,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 21:59:14,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-19 21:59:14,691 INFO L87 Difference]: Start difference. First operand 338 states and 519 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-19 21:59:14,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 21:59:14,737 INFO L93 Difference]: Finished difference Result 492 states and 738 transitions. [2024-11-19 21:59:14,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 21:59:14,737 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 96 [2024-11-19 21:59:14,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 21:59:14,746 INFO L225 Difference]: With dead ends: 492 [2024-11-19 21:59:14,747 INFO L226 Difference]: Without dead ends: 341 [2024-11-19 21:59:14,748 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-19 21:59:14,749 INFO L432 NwaCegarLoop]: 517 mSDtfsCounter, 1 mSDsluCounter, 515 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1032 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 21:59:14,750 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1032 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 21:59:14,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2024-11-19 21:59:14,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 340. [2024-11-19 21:59:14,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 340 states, 270 states have (on average 1.5777777777777777) internal successors, (426), 272 states have internal predecessors, (426), 48 states have call successors, (48), 21 states have call predecessors, (48), 21 states have return successors, (47), 46 states have call predecessors, (47), 47 states have call successors, (47) [2024-11-19 21:59:14,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 521 transitions. [2024-11-19 21:59:14,809 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 521 transitions. Word has length 96 [2024-11-19 21:59:14,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 21:59:14,811 INFO L471 AbstractCegarLoop]: Abstraction has 340 states and 521 transitions. [2024-11-19 21:59:14,812 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-19 21:59:14,812 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 521 transitions. [2024-11-19 21:59:14,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-19 21:59:14,817 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 21:59:14,817 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2024-11-19 21:59:14,829 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-19 21:59:15,018 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-11-19 21:59:15,019 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 21:59:15,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 21:59:15,019 INFO L85 PathProgramCache]: Analyzing trace with hash 765324620, now seen corresponding path program 1 times [2024-11-19 21:59:15,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 21:59:15,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083321640] [2024-11-19 21:59:15,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:59:15,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 21:59:15,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:15,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 21:59:15,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:15,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 21:59:15,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:15,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 21:59:15,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:15,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-19 21:59:15,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:15,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-19 21:59:15,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:15,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-19 21:59:15,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:15,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-19 21:59:15,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:15,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-19 21:59:15,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:15,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-19 21:59:15,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:15,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-19 21:59:15,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:15,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-19 21:59:15,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:15,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-19 21:59:15,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:15,235 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-19 21:59:15,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 21:59:15,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083321640] [2024-11-19 21:59:15,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1083321640] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 21:59:15,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [825647314] [2024-11-19 21:59:15,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:59:15,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 21:59:15,237 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 21:59:15,241 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 21:59:15,243 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-19 21:59:15,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:15,505 INFO L255 TraceCheckSpWp]: Trace formula consists of 967 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 21:59:15,513 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 21:59:15,536 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-19 21:59:15,537 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 21:59:15,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [825647314] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 21:59:15,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 21:59:15,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-11-19 21:59:15,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132204672] [2024-11-19 21:59:15,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 21:59:15,539 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 21:59:15,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 21:59:15,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 21:59:15,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-19 21:59:15,540 INFO L87 Difference]: Start difference. First operand 340 states and 521 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-19 21:59:15,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 21:59:15,566 INFO L93 Difference]: Finished difference Result 723 states and 1126 transitions. [2024-11-19 21:59:15,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 21:59:15,566 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 102 [2024-11-19 21:59:15,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 21:59:15,569 INFO L225 Difference]: With dead ends: 723 [2024-11-19 21:59:15,570 INFO L226 Difference]: Without dead ends: 410 [2024-11-19 21:59:15,571 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-19 21:59:15,572 INFO L432 NwaCegarLoop]: 536 mSDtfsCounter, 126 mSDsluCounter, 474 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 1010 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 [2024-11-19 21:59:15,572 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 1010 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 21:59:15,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2024-11-19 21:59:15,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 402. [2024-11-19 21:59:15,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 402 states, 318 states have (on average 1.5943396226415094) internal successors, (507), 320 states have internal predecessors, (507), 62 states have call successors, (62), 21 states have call predecessors, (62), 21 states have return successors, (61), 60 states have call predecessors, (61), 61 states have call successors, (61) [2024-11-19 21:59:15,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 630 transitions. [2024-11-19 21:59:15,608 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 630 transitions. Word has length 102 [2024-11-19 21:59:15,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 21:59:15,609 INFO L471 AbstractCegarLoop]: Abstraction has 402 states and 630 transitions. [2024-11-19 21:59:15,610 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-19 21:59:15,610 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 630 transitions. [2024-11-19 21:59:15,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-19 21:59:15,613 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 21:59:15,614 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2024-11-19 21:59:15,625 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-19 21:59:15,818 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 21:59:15,819 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 21:59:15,819 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 21:59:15,819 INFO L85 PathProgramCache]: Analyzing trace with hash -1123916787, now seen corresponding path program 1 times [2024-11-19 21:59:15,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 21:59:15,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739255494] [2024-11-19 21:59:15,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:59:15,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 21:59:15,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:16,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 21:59:16,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:16,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 21:59:16,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:16,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 21:59:16,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:16,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-19 21:59:16,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:16,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-19 21:59:16,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:16,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-19 21:59:16,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:16,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-19 21:59:16,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:16,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-19 21:59:16,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:16,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-19 21:59:16,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:16,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-19 21:59:16,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:16,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-19 21:59:16,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:16,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-19 21:59:16,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:16,080 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-19 21:59:16,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 21:59:16,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739255494] [2024-11-19 21:59:16,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1739255494] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 21:59:16,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2136373982] [2024-11-19 21:59:16,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:59:16,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 21:59:16,081 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 21:59:16,084 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 21:59:16,085 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-19 21:59:16,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:16,352 INFO L255 TraceCheckSpWp]: Trace formula consists of 972 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-19 21:59:16,356 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 21:59:16,432 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-19 21:59:16,432 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 21:59:16,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2136373982] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 21:59:16,433 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 21:59:16,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2024-11-19 21:59:16,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200614911] [2024-11-19 21:59:16,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 21:59:16,434 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 21:59:16,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 21:59:16,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 21:59:16,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-19 21:59:16,435 INFO L87 Difference]: Start difference. First operand 402 states and 630 transitions. Second operand has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-19 21:59:16,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 21:59:16,497 INFO L93 Difference]: Finished difference Result 795 states and 1250 transitions. [2024-11-19 21:59:16,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 21:59:16,497 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) Word has length 103 [2024-11-19 21:59:16,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 21:59:16,500 INFO L225 Difference]: With dead ends: 795 [2024-11-19 21:59:16,501 INFO L226 Difference]: Without dead ends: 404 [2024-11-19 21:59:16,502 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-19 21:59:16,503 INFO L432 NwaCegarLoop]: 511 mSDtfsCounter, 2 mSDsluCounter, 1522 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2033 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 [2024-11-19 21:59:16,503 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2033 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 21:59:16,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2024-11-19 21:59:16,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 404. [2024-11-19 21:59:16,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 404 states, 319 states have (on average 1.5924764890282133) internal successors, (508), 322 states have internal predecessors, (508), 62 states have call successors, (62), 21 states have call predecessors, (62), 22 states have return successors, (63), 60 states have call predecessors, (63), 61 states have call successors, (63) [2024-11-19 21:59:16,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 633 transitions. [2024-11-19 21:59:16,520 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 633 transitions. Word has length 103 [2024-11-19 21:59:16,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 21:59:16,520 INFO L471 AbstractCegarLoop]: Abstraction has 404 states and 633 transitions. [2024-11-19 21:59:16,520 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-19 21:59:16,521 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 633 transitions. [2024-11-19 21:59:16,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-19 21:59:16,526 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 21:59:16,526 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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] [2024-11-19 21:59:16,536 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-19 21:59:16,726 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 21:59:16,727 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 21:59:16,727 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 21:59:16,727 INFO L85 PathProgramCache]: Analyzing trace with hash 1244565440, now seen corresponding path program 1 times [2024-11-19 21:59:16,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 21:59:16,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047484402] [2024-11-19 21:59:16,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:59:16,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 21:59:16,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:16,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 21:59:16,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:16,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 21:59:16,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:16,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 21:59:16,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:16,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 21:59:16,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:16,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-19 21:59:16,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:16,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-19 21:59:16,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:16,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-19 21:59:16,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:16,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-19 21:59:17,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:17,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-19 21:59:17,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:17,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-19 21:59:17,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:17,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-19 21:59:17,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:17,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-19 21:59:17,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:17,009 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-19 21:59:17,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 21:59:17,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047484402] [2024-11-19 21:59:17,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2047484402] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 21:59:17,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [697001981] [2024-11-19 21:59:17,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:59:17,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 21:59:17,010 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 21:59:17,013 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 21:59:17,014 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-19 21:59:17,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:17,296 INFO L255 TraceCheckSpWp]: Trace formula consists of 973 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-19 21:59:17,301 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 21:59:17,365 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-19 21:59:17,365 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 21:59:17,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [697001981] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 21:59:17,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 21:59:17,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2024-11-19 21:59:17,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859365235] [2024-11-19 21:59:17,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 21:59:17,367 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 21:59:17,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 21:59:17,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 21:59:17,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-11-19 21:59:17,368 INFO L87 Difference]: Start difference. First operand 404 states and 633 transitions. Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-19 21:59:17,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 21:59:17,436 INFO L93 Difference]: Finished difference Result 797 states and 1255 transitions. [2024-11-19 21:59:17,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 21:59:17,437 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 104 [2024-11-19 21:59:17,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 21:59:17,440 INFO L225 Difference]: With dead ends: 797 [2024-11-19 21:59:17,440 INFO L226 Difference]: Without dead ends: 406 [2024-11-19 21:59:17,442 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-11-19 21:59:17,443 INFO L432 NwaCegarLoop]: 509 mSDtfsCounter, 2 mSDsluCounter, 1510 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2019 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 [2024-11-19 21:59:17,443 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2019 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 21:59:17,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2024-11-19 21:59:17,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 406. [2024-11-19 21:59:17,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 406 states, 320 states have (on average 1.590625) internal successors, (509), 324 states have internal predecessors, (509), 62 states have call successors, (62), 21 states have call predecessors, (62), 23 states have return successors, (68), 60 states have call predecessors, (68), 61 states have call successors, (68) [2024-11-19 21:59:17,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 639 transitions. [2024-11-19 21:59:17,464 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 639 transitions. Word has length 104 [2024-11-19 21:59:17,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 21:59:17,464 INFO L471 AbstractCegarLoop]: Abstraction has 406 states and 639 transitions. [2024-11-19 21:59:17,464 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-19 21:59:17,465 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 639 transitions. [2024-11-19 21:59:17,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-19 21:59:17,467 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 21:59:17,467 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 21:59:17,477 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-19 21:59:17,668 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 21:59:17,669 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 21:59:17,669 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 21:59:17,669 INFO L85 PathProgramCache]: Analyzing trace with hash 904075134, now seen corresponding path program 1 times [2024-11-19 21:59:17,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 21:59:17,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201146778] [2024-11-19 21:59:17,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:59:17,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 21:59:17,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:17,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 21:59:17,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:17,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 21:59:17,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:17,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 21:59:17,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:17,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 21:59:17,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:17,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 21:59:17,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:17,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-19 21:59:17,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:17,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-19 21:59:17,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:17,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-19 21:59:17,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:17,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-19 21:59:17,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:17,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-19 21:59:17,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:17,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-19 21:59:17,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:17,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-19 21:59:17,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:17,859 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-19 21:59:17,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 21:59:17,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201146778] [2024-11-19 21:59:17,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1201146778] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 21:59:17,859 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 21:59:17,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-19 21:59:17,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158700793] [2024-11-19 21:59:17,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 21:59:17,860 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 21:59:17,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 21:59:17,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 21:59:17,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-19 21:59:17,861 INFO L87 Difference]: Start difference. First operand 406 states and 639 transitions. Second operand has 9 states, 8 states have (on average 8.375) internal successors, (67), 5 states have internal predecessors, (67), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-19 21:59:19,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 21:59:19,712 INFO L93 Difference]: Finished difference Result 881 states and 1407 transitions. [2024-11-19 21:59:19,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-19 21:59:19,713 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.375) internal successors, (67), 5 states have internal predecessors, (67), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) Word has length 105 [2024-11-19 21:59:19,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 21:59:19,719 INFO L225 Difference]: With dead ends: 881 [2024-11-19 21:59:19,719 INFO L226 Difference]: Without dead ends: 498 [2024-11-19 21:59:19,721 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-19 21:59:19,722 INFO L432 NwaCegarLoop]: 204 mSDtfsCounter, 1127 mSDsluCounter, 1071 mSDsCounter, 0 mSdLazyCounter, 2126 mSolverCounterSat, 317 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1128 SdHoareTripleChecker+Valid, 1275 SdHoareTripleChecker+Invalid, 2443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 317 IncrementalHoareTripleChecker+Valid, 2126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-19 21:59:19,722 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1128 Valid, 1275 Invalid, 2443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [317 Valid, 2126 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-19 21:59:19,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 498 states. [2024-11-19 21:59:19,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 498 to 406. [2024-11-19 21:59:19,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 406 states, 320 states have (on average 1.590625) internal successors, (509), 324 states have internal predecessors, (509), 62 states have call successors, (62), 21 states have call predecessors, (62), 23 states have return successors, (67), 60 states have call predecessors, (67), 61 states have call successors, (67) [2024-11-19 21:59:19,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 638 transitions. [2024-11-19 21:59:19,759 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 638 transitions. Word has length 105 [2024-11-19 21:59:19,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 21:59:19,760 INFO L471 AbstractCegarLoop]: Abstraction has 406 states and 638 transitions. [2024-11-19 21:59:19,760 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.375) internal successors, (67), 5 states have internal predecessors, (67), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-19 21:59:19,760 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 638 transitions. [2024-11-19 21:59:19,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-19 21:59:19,765 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 21:59:19,765 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 21:59:19,765 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 21:59:19,765 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 21:59:19,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 21:59:19,766 INFO L85 PathProgramCache]: Analyzing trace with hash -232989553, now seen corresponding path program 2 times [2024-11-19 21:59:19,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 21:59:19,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539258663] [2024-11-19 21:59:19,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:59:19,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 21:59:19,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:19,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 21:59:19,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:19,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 21:59:19,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:19,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 21:59:19,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:19,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 21:59:19,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:19,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 21:59:19,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:19,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-19 21:59:19,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:19,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-19 21:59:19,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:19,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-19 21:59:19,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:19,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-19 21:59:19,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:19,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-19 21:59:19,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:19,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-19 21:59:19,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:19,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-19 21:59:19,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:19,987 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-19 21:59:19,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 21:59:19,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539258663] [2024-11-19 21:59:19,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [539258663] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 21:59:19,987 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 21:59:19,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-19 21:59:19,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093191834] [2024-11-19 21:59:19,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 21:59:19,988 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 21:59:19,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 21:59:19,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 21:59:19,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-19 21:59:19,989 INFO L87 Difference]: Start difference. First operand 406 states and 638 transitions. Second operand has 9 states, 8 states have (on average 8.5) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-19 21:59:21,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 21:59:21,722 INFO L93 Difference]: Finished difference Result 883 states and 1410 transitions. [2024-11-19 21:59:21,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-19 21:59:21,723 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.5) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) Word has length 106 [2024-11-19 21:59:21,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 21:59:21,728 INFO L225 Difference]: With dead ends: 883 [2024-11-19 21:59:21,728 INFO L226 Difference]: Without dead ends: 500 [2024-11-19 21:59:21,729 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-19 21:59:21,730 INFO L432 NwaCegarLoop]: 202 mSDtfsCounter, 1130 mSDsluCounter, 1071 mSDsCounter, 0 mSdLazyCounter, 2089 mSolverCounterSat, 329 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1131 SdHoareTripleChecker+Valid, 1273 SdHoareTripleChecker+Invalid, 2418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 329 IncrementalHoareTripleChecker+Valid, 2089 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-19 21:59:21,731 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1131 Valid, 1273 Invalid, 2418 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [329 Valid, 2089 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-19 21:59:21,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 500 states. [2024-11-19 21:59:21,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 500 to 408. [2024-11-19 21:59:21,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 408 states, 321 states have (on average 1.588785046728972) internal successors, (510), 326 states have internal predecessors, (510), 62 states have call successors, (62), 21 states have call predecessors, (62), 24 states have return successors, (69), 60 states have call predecessors, (69), 61 states have call successors, (69) [2024-11-19 21:59:21,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 641 transitions. [2024-11-19 21:59:21,765 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 641 transitions. Word has length 106 [2024-11-19 21:59:21,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 21:59:21,765 INFO L471 AbstractCegarLoop]: Abstraction has 408 states and 641 transitions. [2024-11-19 21:59:21,766 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.5) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-19 21:59:21,766 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 641 transitions. [2024-11-19 21:59:21,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-19 21:59:21,768 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 21:59:21,768 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 21:59:21,768 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-19 21:59:21,768 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 21:59:21,768 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 21:59:21,769 INFO L85 PathProgramCache]: Analyzing trace with hash 754334179, now seen corresponding path program 1 times [2024-11-19 21:59:21,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 21:59:21,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185910833] [2024-11-19 21:59:21,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:59:21,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 21:59:21,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:21,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 21:59:21,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:21,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 21:59:21,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:21,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 21:59:21,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:21,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 21:59:21,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:21,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 21:59:21,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:21,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-19 21:59:21,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:21,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-19 21:59:21,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:21,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-19 21:59:21,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:21,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-19 21:59:21,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:21,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-19 21:59:21,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:21,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-19 21:59:21,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:21,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-19 21:59:21,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:21,981 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-19 21:59:21,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 21:59:21,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185910833] [2024-11-19 21:59:21,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [185910833] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 21:59:21,982 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 21:59:21,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-19 21:59:21,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514078751] [2024-11-19 21:59:21,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 21:59:21,982 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-19 21:59:21,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 21:59:21,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-19 21:59:21,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-19 21:59:21,983 INFO L87 Difference]: Start difference. First operand 408 states and 641 transitions. Second operand has 12 states, 11 states have (on average 6.545454545454546) internal successors, (72), 8 states have internal predecessors, (72), 4 states have call successors, (15), 6 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-19 21:59:24,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 21:59:24,047 INFO L93 Difference]: Finished difference Result 881 states and 1405 transitions. [2024-11-19 21:59:24,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-19 21:59:24,048 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.545454545454546) internal successors, (72), 8 states have internal predecessors, (72), 4 states have call successors, (15), 6 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) Word has length 107 [2024-11-19 21:59:24,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 21:59:24,051 INFO L225 Difference]: With dead ends: 881 [2024-11-19 21:59:24,052 INFO L226 Difference]: Without dead ends: 500 [2024-11-19 21:59:24,053 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-11-19 21:59:24,053 INFO L432 NwaCegarLoop]: 202 mSDtfsCounter, 1127 mSDsluCounter, 1566 mSDsCounter, 0 mSdLazyCounter, 3545 mSolverCounterSat, 330 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1128 SdHoareTripleChecker+Valid, 1768 SdHoareTripleChecker+Invalid, 3875 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 330 IncrementalHoareTripleChecker+Valid, 3545 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-19 21:59:24,054 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1128 Valid, 1768 Invalid, 3875 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [330 Valid, 3545 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-19 21:59:24,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 500 states. [2024-11-19 21:59:24,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 500 to 408. [2024-11-19 21:59:24,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 408 states, 321 states have (on average 1.588785046728972) internal successors, (510), 326 states have internal predecessors, (510), 62 states have call successors, (62), 21 states have call predecessors, (62), 24 states have return successors, (68), 60 states have call predecessors, (68), 61 states have call successors, (68) [2024-11-19 21:59:24,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 640 transitions. [2024-11-19 21:59:24,083 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 640 transitions. Word has length 107 [2024-11-19 21:59:24,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 21:59:24,084 INFO L471 AbstractCegarLoop]: Abstraction has 408 states and 640 transitions. [2024-11-19 21:59:24,084 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.545454545454546) internal successors, (72), 8 states have internal predecessors, (72), 4 states have call successors, (15), 6 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-19 21:59:24,084 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 640 transitions. [2024-11-19 21:59:24,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-19 21:59:24,086 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 21:59:24,086 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 21:59:24,086 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-19 21:59:24,086 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 21:59:24,087 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 21:59:24,087 INFO L85 PathProgramCache]: Analyzing trace with hash 1320832791, now seen corresponding path program 2 times [2024-11-19 21:59:24,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 21:59:24,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189745299] [2024-11-19 21:59:24,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:59:24,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 21:59:24,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:24,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 21:59:24,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:24,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 21:59:24,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:24,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 21:59:24,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:24,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 21:59:24,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:24,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 21:59:24,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:24,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-19 21:59:24,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:24,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-19 21:59:24,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:24,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-19 21:59:24,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:24,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-19 21:59:24,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:24,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-19 21:59:24,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:24,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-19 21:59:24,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:24,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-19 21:59:24,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:24,340 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-19 21:59:24,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 21:59:24,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189745299] [2024-11-19 21:59:24,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1189745299] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 21:59:24,340 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 21:59:24,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-19 21:59:24,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420175404] [2024-11-19 21:59:24,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 21:59:24,341 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-19 21:59:24,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 21:59:24,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-19 21:59:24,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-19 21:59:24,342 INFO L87 Difference]: Start difference. First operand 408 states and 640 transitions. Second operand has 12 states, 11 states have (on average 6.636363636363637) internal successors, (73), 8 states have internal predecessors, (73), 4 states have call successors, (15), 6 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-19 21:59:26,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 21:59:26,534 INFO L93 Difference]: Finished difference Result 883 states and 1411 transitions. [2024-11-19 21:59:26,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-19 21:59:26,535 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.636363636363637) internal successors, (73), 8 states have internal predecessors, (73), 4 states have call successors, (15), 6 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) Word has length 108 [2024-11-19 21:59:26,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 21:59:26,538 INFO L225 Difference]: With dead ends: 883 [2024-11-19 21:59:26,538 INFO L226 Difference]: Without dead ends: 502 [2024-11-19 21:59:26,540 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-11-19 21:59:26,540 INFO L432 NwaCegarLoop]: 203 mSDtfsCounter, 1127 mSDsluCounter, 1566 mSDsCounter, 0 mSdLazyCounter, 3589 mSolverCounterSat, 330 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1128 SdHoareTripleChecker+Valid, 1769 SdHoareTripleChecker+Invalid, 3919 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 330 IncrementalHoareTripleChecker+Valid, 3589 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-19 21:59:26,540 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1128 Valid, 1769 Invalid, 3919 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [330 Valid, 3589 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-19 21:59:26,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 502 states. [2024-11-19 21:59:26,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 502 to 410. [2024-11-19 21:59:26,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 410 states, 322 states have (on average 1.5869565217391304) internal successors, (511), 328 states have internal predecessors, (511), 62 states have call successors, (62), 21 states have call predecessors, (62), 25 states have return successors, (73), 60 states have call predecessors, (73), 61 states have call successors, (73) [2024-11-19 21:59:26,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 646 transitions. [2024-11-19 21:59:26,570 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 646 transitions. Word has length 108 [2024-11-19 21:59:26,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 21:59:26,571 INFO L471 AbstractCegarLoop]: Abstraction has 410 states and 646 transitions. [2024-11-19 21:59:26,571 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.636363636363637) internal successors, (73), 8 states have internal predecessors, (73), 4 states have call successors, (15), 6 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-19 21:59:26,571 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 646 transitions. [2024-11-19 21:59:26,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-19 21:59:26,574 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 21:59:26,574 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 21:59:26,574 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-19 21:59:26,574 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 21:59:26,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 21:59:26,574 INFO L85 PathProgramCache]: Analyzing trace with hash -365545368, now seen corresponding path program 1 times [2024-11-19 21:59:26,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 21:59:26,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705309948] [2024-11-19 21:59:26,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:59:26,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 21:59:26,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:26,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 21:59:26,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:26,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 21:59:26,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:26,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 21:59:26,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:26,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 21:59:26,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:26,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 21:59:26,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:26,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-19 21:59:26,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:26,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-19 21:59:26,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:26,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-19 21:59:26,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:26,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-19 21:59:26,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:26,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-19 21:59:26,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:26,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-19 21:59:26,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:26,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-19 21:59:26,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:26,744 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-19 21:59:26,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 21:59:26,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705309948] [2024-11-19 21:59:26,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [705309948] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 21:59:26,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [514117800] [2024-11-19 21:59:26,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:59:26,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 21:59:26,745 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 21:59:26,748 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 21:59:26,749 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-19 21:59:27,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:27,005 INFO L255 TraceCheckSpWp]: Trace formula consists of 978 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 21:59:27,008 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 21:59:27,038 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-19 21:59:27,038 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 21:59:27,115 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-19 21:59:27,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [514117800] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 21:59:27,116 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 21:59:27,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 11 [2024-11-19 21:59:27,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75612417] [2024-11-19 21:59:27,118 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 21:59:27,119 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-19 21:59:27,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 21:59:27,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-19 21:59:27,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-11-19 21:59:27,120 INFO L87 Difference]: Start difference. First operand 410 states and 646 transitions. Second operand has 11 states, 11 states have (on average 9.181818181818182) internal successors, (101), 7 states have internal predecessors, (101), 2 states have call successors, (30), 6 states have call predecessors, (30), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-19 21:59:28,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 21:59:28,791 INFO L93 Difference]: Finished difference Result 1070 states and 1780 transitions. [2024-11-19 21:59:28,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 21:59:28,791 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 9.181818181818182) internal successors, (101), 7 states have internal predecessors, (101), 2 states have call successors, (30), 6 states have call predecessors, (30), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 109 [2024-11-19 21:59:28,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 21:59:28,797 INFO L225 Difference]: With dead ends: 1070 [2024-11-19 21:59:28,797 INFO L226 Difference]: Without dead ends: 919 [2024-11-19 21:59:28,799 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 239 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2024-11-19 21:59:28,799 INFO L432 NwaCegarLoop]: 237 mSDtfsCounter, 1579 mSDsluCounter, 1263 mSDsCounter, 0 mSdLazyCounter, 1780 mSolverCounterSat, 508 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1636 SdHoareTripleChecker+Valid, 1500 SdHoareTripleChecker+Invalid, 2288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 508 IncrementalHoareTripleChecker+Valid, 1780 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-19 21:59:28,799 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1636 Valid, 1500 Invalid, 2288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [508 Valid, 1780 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-19 21:59:28,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 919 states. [2024-11-19 21:59:28,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 919 to 803. [2024-11-19 21:59:28,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 803 states, 636 states have (on average 1.6415094339622642) internal successors, (1044), 642 states have internal predecessors, (1044), 141 states have call successors, (141), 21 states have call predecessors, (141), 25 states have return successors, (162), 139 states have call predecessors, (162), 140 states have call successors, (162) [2024-11-19 21:59:28,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 803 states and 1347 transitions. [2024-11-19 21:59:28,836 INFO L78 Accepts]: Start accepts. Automaton has 803 states and 1347 transitions. Word has length 109 [2024-11-19 21:59:28,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 21:59:28,836 INFO L471 AbstractCegarLoop]: Abstraction has 803 states and 1347 transitions. [2024-11-19 21:59:28,836 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 9.181818181818182) internal successors, (101), 7 states have internal predecessors, (101), 2 states have call successors, (30), 6 states have call predecessors, (30), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-19 21:59:28,836 INFO L276 IsEmpty]: Start isEmpty. Operand 803 states and 1347 transitions. [2024-11-19 21:59:28,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-19 21:59:28,840 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 21:59:28,840 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2024-11-19 21:59:28,851 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-19 21:59:29,041 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 21:59:29,041 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 21:59:29,042 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 21:59:29,042 INFO L85 PathProgramCache]: Analyzing trace with hash -1387538683, now seen corresponding path program 1 times [2024-11-19 21:59:29,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 21:59:29,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309315115] [2024-11-19 21:59:29,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:59:29,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 21:59:29,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:29,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 21:59:29,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:29,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 21:59:29,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:29,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 21:59:29,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:29,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 21:59:29,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:29,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 21:59:29,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:29,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-19 21:59:29,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:29,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-19 21:59:29,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:29,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-19 21:59:29,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:29,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-19 21:59:29,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:29,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-19 21:59:29,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:29,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-19 21:59:29,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:29,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-19 21:59:29,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:29,150 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-19 21:59:29,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 21:59:29,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309315115] [2024-11-19 21:59:29,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1309315115] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 21:59:29,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 21:59:29,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 21:59:29,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820751980] [2024-11-19 21:59:29,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 21:59:29,151 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 21:59:29,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 21:59:29,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 21:59:29,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-19 21:59:29,152 INFO L87 Difference]: Start difference. First operand 803 states and 1347 transitions. Second operand has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-19 21:59:30,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 21:59:30,431 INFO L93 Difference]: Finished difference Result 2028 states and 3485 transitions. [2024-11-19 21:59:30,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 21:59:30,432 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 115 [2024-11-19 21:59:30,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 21:59:30,442 INFO L225 Difference]: With dead ends: 2028 [2024-11-19 21:59:30,442 INFO L226 Difference]: Without dead ends: 1293 [2024-11-19 21:59:30,447 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-19 21:59:30,447 INFO L432 NwaCegarLoop]: 230 mSDtfsCounter, 1250 mSDsluCounter, 778 mSDsCounter, 0 mSdLazyCounter, 1228 mSolverCounterSat, 398 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1268 SdHoareTripleChecker+Valid, 1008 SdHoareTripleChecker+Invalid, 1626 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 398 IncrementalHoareTripleChecker+Valid, 1228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-19 21:59:30,447 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1268 Valid, 1008 Invalid, 1626 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [398 Valid, 1228 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-19 21:59:30,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1293 states. [2024-11-19 21:59:30,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1293 to 1193. [2024-11-19 21:59:30,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1193 states, 947 states have (on average 1.6515311510031678) internal successors, (1564), 953 states have internal predecessors, (1564), 220 states have call successors, (220), 21 states have call predecessors, (220), 25 states have return successors, (251), 218 states have call predecessors, (251), 219 states have call successors, (251) [2024-11-19 21:59:30,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1193 states to 1193 states and 2035 transitions. [2024-11-19 21:59:30,503 INFO L78 Accepts]: Start accepts. Automaton has 1193 states and 2035 transitions. Word has length 115 [2024-11-19 21:59:30,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 21:59:30,503 INFO L471 AbstractCegarLoop]: Abstraction has 1193 states and 2035 transitions. [2024-11-19 21:59:30,504 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-19 21:59:30,504 INFO L276 IsEmpty]: Start isEmpty. Operand 1193 states and 2035 transitions. [2024-11-19 21:59:30,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-19 21:59:30,510 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 21:59:30,510 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2024-11-19 21:59:30,510 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-19 21:59:30,510 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 21:59:30,510 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 21:59:30,511 INFO L85 PathProgramCache]: Analyzing trace with hash 1259187153, now seen corresponding path program 1 times [2024-11-19 21:59:30,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 21:59:30,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162550446] [2024-11-19 21:59:30,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:59:30,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 21:59:30,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:30,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 21:59:30,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:30,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 21:59:30,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:30,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 21:59:30,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:30,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 21:59:30,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:30,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 21:59:30,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:30,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-19 21:59:30,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:30,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-19 21:59:30,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:30,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-19 21:59:30,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:30,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-19 21:59:30,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:30,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-19 21:59:30,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:30,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-19 21:59:30,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:30,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-19 21:59:30,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:30,630 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-19 21:59:30,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 21:59:30,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162550446] [2024-11-19 21:59:30,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1162550446] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 21:59:30,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 21:59:30,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 21:59:30,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316581765] [2024-11-19 21:59:30,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 21:59:30,631 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 21:59:30,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 21:59:30,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 21:59:30,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-19 21:59:30,632 INFO L87 Difference]: Start difference. First operand 1193 states and 2035 transitions. Second operand has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-19 21:59:31,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 21:59:31,724 INFO L93 Difference]: Finished difference Result 2977 states and 5159 transitions. [2024-11-19 21:59:31,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 21:59:31,728 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 116 [2024-11-19 21:59:31,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 21:59:31,739 INFO L225 Difference]: With dead ends: 2977 [2024-11-19 21:59:31,740 INFO L226 Difference]: Without dead ends: 1905 [2024-11-19 21:59:31,744 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-19 21:59:31,745 INFO L432 NwaCegarLoop]: 215 mSDtfsCounter, 1246 mSDsluCounter, 756 mSDsCounter, 0 mSdLazyCounter, 1196 mSolverCounterSat, 398 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1264 SdHoareTripleChecker+Valid, 971 SdHoareTripleChecker+Invalid, 1594 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 398 IncrementalHoareTripleChecker+Valid, 1196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-19 21:59:31,745 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1264 Valid, 971 Invalid, 1594 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [398 Valid, 1196 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-19 21:59:31,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1905 states. [2024-11-19 21:59:31,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1905 to 1805. [2024-11-19 21:59:31,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1805 states, 1440 states have (on average 1.6576388888888889) internal successors, (2387), 1446 states have internal predecessors, (2387), 339 states have call successors, (339), 21 states have call predecessors, (339), 25 states have return successors, (370), 337 states have call predecessors, (370), 338 states have call successors, (370) [2024-11-19 21:59:31,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1805 states to 1805 states and 3096 transitions. [2024-11-19 21:59:31,865 INFO L78 Accepts]: Start accepts. Automaton has 1805 states and 3096 transitions. Word has length 116 [2024-11-19 21:59:31,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 21:59:31,865 INFO L471 AbstractCegarLoop]: Abstraction has 1805 states and 3096 transitions. [2024-11-19 21:59:31,865 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-19 21:59:31,865 INFO L276 IsEmpty]: Start isEmpty. Operand 1805 states and 3096 transitions. [2024-11-19 21:59:31,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-19 21:59:31,874 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 21:59:31,874 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2024-11-19 21:59:31,875 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-19 21:59:31,875 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 21:59:31,875 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 21:59:31,875 INFO L85 PathProgramCache]: Analyzing trace with hash 245755623, now seen corresponding path program 1 times [2024-11-19 21:59:31,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 21:59:31,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920059697] [2024-11-19 21:59:31,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:59:31,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 21:59:31,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:31,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 21:59:31,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:31,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 21:59:31,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:31,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 21:59:31,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:31,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 21:59:31,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:31,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 21:59:31,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:31,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-19 21:59:31,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:31,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-19 21:59:31,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:31,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-19 21:59:31,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:31,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-19 21:59:31,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:31,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-19 21:59:31,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:31,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-19 21:59:31,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:31,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-19 21:59:31,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:31,996 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-19 21:59:31,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 21:59:31,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920059697] [2024-11-19 21:59:31,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1920059697] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 21:59:31,997 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 21:59:31,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 21:59:31,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715676984] [2024-11-19 21:59:31,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 21:59:31,998 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 21:59:31,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 21:59:31,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 21:59:31,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-19 21:59:31,999 INFO L87 Difference]: Start difference. First operand 1805 states and 3096 transitions. Second operand has 7 states, 7 states have (on average 11.0) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-19 21:59:33,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 21:59:33,113 INFO L93 Difference]: Finished difference Result 4402 states and 7693 transitions. [2024-11-19 21:59:33,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 21:59:33,113 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 117 [2024-11-19 21:59:33,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 21:59:33,127 INFO L225 Difference]: With dead ends: 4402 [2024-11-19 21:59:33,127 INFO L226 Difference]: Without dead ends: 2843 [2024-11-19 21:59:33,133 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-19 21:59:33,134 INFO L432 NwaCegarLoop]: 204 mSDtfsCounter, 1243 mSDsluCounter, 730 mSDsCounter, 0 mSdLazyCounter, 1183 mSolverCounterSat, 393 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1261 SdHoareTripleChecker+Valid, 934 SdHoareTripleChecker+Invalid, 1576 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 393 IncrementalHoareTripleChecker+Valid, 1183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-19 21:59:33,134 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1261 Valid, 934 Invalid, 1576 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [393 Valid, 1183 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-19 21:59:33,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2843 states. [2024-11-19 21:59:33,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2843 to 2743. [2024-11-19 21:59:33,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2743 states, 2216 states have (on average 1.6629061371841156) internal successors, (3685), 2222 states have internal predecessors, (3685), 501 states have call successors, (501), 21 states have call predecessors, (501), 25 states have return successors, (548), 499 states have call predecessors, (548), 500 states have call successors, (548) [2024-11-19 21:59:33,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2743 states to 2743 states and 4734 transitions. [2024-11-19 21:59:33,235 INFO L78 Accepts]: Start accepts. Automaton has 2743 states and 4734 transitions. Word has length 117 [2024-11-19 21:59:33,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 21:59:33,236 INFO L471 AbstractCegarLoop]: Abstraction has 2743 states and 4734 transitions. [2024-11-19 21:59:33,236 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-19 21:59:33,236 INFO L276 IsEmpty]: Start isEmpty. Operand 2743 states and 4734 transitions. [2024-11-19 21:59:33,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-19 21:59:33,247 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 21:59:33,247 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2024-11-19 21:59:33,247 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-19 21:59:33,247 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 21:59:33,248 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 21:59:33,248 INFO L85 PathProgramCache]: Analyzing trace with hash -1189274254, now seen corresponding path program 1 times [2024-11-19 21:59:33,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 21:59:33,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127630769] [2024-11-19 21:59:33,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:59:33,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 21:59:33,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:33,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 21:59:33,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:33,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 21:59:33,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:33,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 21:59:33,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:33,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 21:59:33,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:33,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 21:59:33,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:33,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-19 21:59:33,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:33,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-19 21:59:33,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:33,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-19 21:59:33,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:33,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-19 21:59:33,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:33,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-19 21:59:33,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:33,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-19 21:59:33,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:33,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-19 21:59:33,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:33,357 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-19 21:59:33,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 21:59:33,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127630769] [2024-11-19 21:59:33,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127630769] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 21:59:33,358 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 21:59:33,358 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 21:59:33,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771813645] [2024-11-19 21:59:33,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 21:59:33,358 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 21:59:33,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 21:59:33,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 21:59:33,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-19 21:59:33,359 INFO L87 Difference]: Start difference. First operand 2743 states and 4734 transitions. Second operand has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-19 21:59:34,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 21:59:34,597 INFO L93 Difference]: Finished difference Result 6651 states and 11702 transitions. [2024-11-19 21:59:34,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 21:59:34,597 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 118 [2024-11-19 21:59:34,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 21:59:34,622 INFO L225 Difference]: With dead ends: 6651 [2024-11-19 21:59:34,622 INFO L226 Difference]: Without dead ends: 4358 [2024-11-19 21:59:34,633 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-19 21:59:34,634 INFO L432 NwaCegarLoop]: 204 mSDtfsCounter, 1237 mSDsluCounter, 730 mSDsCounter, 0 mSdLazyCounter, 1187 mSolverCounterSat, 382 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1255 SdHoareTripleChecker+Valid, 934 SdHoareTripleChecker+Invalid, 1569 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 382 IncrementalHoareTripleChecker+Valid, 1187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-19 21:59:34,634 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1255 Valid, 934 Invalid, 1569 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [382 Valid, 1187 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-19 21:59:34,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4358 states. [2024-11-19 21:59:34,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4358 to 4258. [2024-11-19 21:59:34,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4258 states, 3486 states have (on average 1.6666666666666667) internal successors, (5810), 3492 states have internal predecessors, (5810), 746 states have call successors, (746), 21 states have call predecessors, (746), 25 states have return successors, (819), 744 states have call predecessors, (819), 745 states have call successors, (819) [2024-11-19 21:59:34,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4258 states to 4258 states and 7375 transitions. [2024-11-19 21:59:34,809 INFO L78 Accepts]: Start accepts. Automaton has 4258 states and 7375 transitions. Word has length 118 [2024-11-19 21:59:34,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 21:59:34,810 INFO L471 AbstractCegarLoop]: Abstraction has 4258 states and 7375 transitions. [2024-11-19 21:59:34,810 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-19 21:59:34,810 INFO L276 IsEmpty]: Start isEmpty. Operand 4258 states and 7375 transitions. [2024-11-19 21:59:34,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-19 21:59:34,822 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 21:59:34,823 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2024-11-19 21:59:34,823 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-19 21:59:34,823 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 21:59:34,823 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 21:59:34,823 INFO L85 PathProgramCache]: Analyzing trace with hash 2146579299, now seen corresponding path program 1 times [2024-11-19 21:59:34,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 21:59:34,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315188573] [2024-11-19 21:59:34,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:59:34,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 21:59:34,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:34,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 21:59:34,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:34,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 21:59:34,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:34,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 21:59:34,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:34,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 21:59:34,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:34,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 21:59:34,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:34,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-19 21:59:34,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:34,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-19 21:59:34,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:34,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-19 21:59:34,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:34,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-19 21:59:34,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:34,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-19 21:59:34,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:34,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-19 21:59:34,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:34,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-19 21:59:34,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:34,953 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-19 21:59:34,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 21:59:34,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315188573] [2024-11-19 21:59:34,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1315188573] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 21:59:34,954 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 21:59:34,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 21:59:34,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075727104] [2024-11-19 21:59:34,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 21:59:34,954 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 21:59:34,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 21:59:34,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 21:59:34,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-19 21:59:34,955 INFO L87 Difference]: Start difference. First operand 4258 states and 7375 transitions. Second operand has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-19 21:59:36,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 21:59:36,317 INFO L93 Difference]: Finished difference Result 10667 states and 18814 transitions. [2024-11-19 21:59:36,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 21:59:36,317 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 119 [2024-11-19 21:59:36,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 21:59:36,351 INFO L225 Difference]: With dead ends: 10667 [2024-11-19 21:59:36,351 INFO L226 Difference]: Without dead ends: 7091 [2024-11-19 21:59:36,366 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-19 21:59:36,367 INFO L432 NwaCegarLoop]: 222 mSDtfsCounter, 1238 mSDsluCounter, 774 mSDsCounter, 0 mSdLazyCounter, 1212 mSolverCounterSat, 383 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1257 SdHoareTripleChecker+Valid, 996 SdHoareTripleChecker+Invalid, 1595 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 383 IncrementalHoareTripleChecker+Valid, 1212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-19 21:59:36,367 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1257 Valid, 996 Invalid, 1595 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [383 Valid, 1212 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-19 21:59:36,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7091 states. [2024-11-19 21:59:36,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7091 to 6991. [2024-11-19 21:59:36,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6991 states, 5726 states have (on average 1.6617184771219) internal successors, (9515), 5732 states have internal predecessors, (9515), 1239 states have call successors, (1239), 21 states have call predecessors, (1239), 25 states have return successors, (1356), 1237 states have call predecessors, (1356), 1238 states have call successors, (1356) [2024-11-19 21:59:36,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6991 states to 6991 states and 12110 transitions. [2024-11-19 21:59:36,659 INFO L78 Accepts]: Start accepts. Automaton has 6991 states and 12110 transitions. Word has length 119 [2024-11-19 21:59:36,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 21:59:36,659 INFO L471 AbstractCegarLoop]: Abstraction has 6991 states and 12110 transitions. [2024-11-19 21:59:36,659 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-19 21:59:36,659 INFO L276 IsEmpty]: Start isEmpty. Operand 6991 states and 12110 transitions. [2024-11-19 21:59:36,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-19 21:59:36,674 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 21:59:36,675 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2024-11-19 21:59:36,675 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-19 21:59:36,675 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 21:59:36,675 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 21:59:36,675 INFO L85 PathProgramCache]: Analyzing trace with hash -412052234, now seen corresponding path program 1 times [2024-11-19 21:59:36,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 21:59:36,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462706855] [2024-11-19 21:59:36,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:59:36,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 21:59:36,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:36,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 21:59:36,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:36,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 21:59:36,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:36,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 21:59:36,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:36,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 21:59:36,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:36,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 21:59:36,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:36,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-19 21:59:36,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:36,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-19 21:59:36,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:36,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-19 21:59:36,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:36,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-19 21:59:36,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:36,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-19 21:59:36,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:36,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-19 21:59:36,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:36,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-19 21:59:36,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:36,838 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-19 21:59:36,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 21:59:36,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462706855] [2024-11-19 21:59:36,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1462706855] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 21:59:36,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 21:59:36,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 21:59:36,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257773054] [2024-11-19 21:59:36,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 21:59:36,839 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 21:59:36,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 21:59:36,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 21:59:36,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-19 21:59:36,840 INFO L87 Difference]: Start difference. First operand 6991 states and 12110 transitions. Second operand has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-19 21:59:38,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 21:59:38,256 INFO L93 Difference]: Finished difference Result 17807 states and 31386 transitions. [2024-11-19 21:59:38,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 21:59:38,256 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 120 [2024-11-19 21:59:38,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 21:59:38,313 INFO L225 Difference]: With dead ends: 17807 [2024-11-19 21:59:38,313 INFO L226 Difference]: Without dead ends: 11875 [2024-11-19 21:59:38,337 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-19 21:59:38,339 INFO L432 NwaCegarLoop]: 208 mSDtfsCounter, 1235 mSDsluCounter, 739 mSDsCounter, 0 mSdLazyCounter, 1194 mSolverCounterSat, 393 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1254 SdHoareTripleChecker+Valid, 947 SdHoareTripleChecker+Invalid, 1587 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 393 IncrementalHoareTripleChecker+Valid, 1194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-19 21:59:38,341 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1254 Valid, 947 Invalid, 1587 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [393 Valid, 1194 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-19 21:59:38,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11875 states. [2024-11-19 21:59:38,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11875 to 11775. [2024-11-19 21:59:38,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11775 states, 9688 states have (on average 1.6611271676300579) internal successors, (16093), 9694 states have internal predecessors, (16093), 2061 states have call successors, (2061), 21 states have call predecessors, (2061), 25 states have return successors, (2256), 2059 states have call predecessors, (2256), 2060 states have call successors, (2256) [2024-11-19 21:59:38,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11775 states to 11775 states and 20410 transitions. [2024-11-19 21:59:38,848 INFO L78 Accepts]: Start accepts. Automaton has 11775 states and 20410 transitions. Word has length 120 [2024-11-19 21:59:38,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 21:59:38,849 INFO L471 AbstractCegarLoop]: Abstraction has 11775 states and 20410 transitions. [2024-11-19 21:59:38,849 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-19 21:59:38,850 INFO L276 IsEmpty]: Start isEmpty. Operand 11775 states and 20410 transitions. [2024-11-19 21:59:38,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-19 21:59:38,872 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 21:59:38,872 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2024-11-19 21:59:38,872 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-19 21:59:38,873 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 21:59:38,873 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 21:59:38,873 INFO L85 PathProgramCache]: Analyzing trace with hash -628071131, now seen corresponding path program 1 times [2024-11-19 21:59:38,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 21:59:38,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090619120] [2024-11-19 21:59:38,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:59:38,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 21:59:38,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:38,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 21:59:38,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:38,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 21:59:38,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:38,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 21:59:38,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:38,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 21:59:38,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:38,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 21:59:38,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:38,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-19 21:59:38,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:38,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-19 21:59:38,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:38,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-19 21:59:38,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:38,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-19 21:59:38,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:38,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-19 21:59:38,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:38,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-19 21:59:38,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:38,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-19 21:59:38,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:38,979 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-19 21:59:38,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 21:59:38,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090619120] [2024-11-19 21:59:38,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2090619120] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 21:59:38,979 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 21:59:38,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 21:59:38,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452396914] [2024-11-19 21:59:38,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 21:59:38,980 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 21:59:38,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 21:59:38,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 21:59:38,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-19 21:59:38,980 INFO L87 Difference]: Start difference. First operand 11775 states and 20410 transitions. Second operand has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-19 21:59:40,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 21:59:40,483 INFO L93 Difference]: Finished difference Result 28240 states and 49511 transitions. [2024-11-19 21:59:40,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 21:59:40,483 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 121 [2024-11-19 21:59:40,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 21:59:40,559 INFO L225 Difference]: With dead ends: 28240 [2024-11-19 21:59:40,559 INFO L226 Difference]: Without dead ends: 18468 [2024-11-19 21:59:40,592 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-19 21:59:40,593 INFO L432 NwaCegarLoop]: 205 mSDtfsCounter, 1237 mSDsluCounter, 709 mSDsCounter, 0 mSdLazyCounter, 1181 mSolverCounterSat, 388 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1256 SdHoareTripleChecker+Valid, 914 SdHoareTripleChecker+Invalid, 1569 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 388 IncrementalHoareTripleChecker+Valid, 1181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-19 21:59:40,593 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1256 Valid, 914 Invalid, 1569 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [388 Valid, 1181 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-19 21:59:40,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18468 states. [2024-11-19 21:59:41,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18468 to 18368. [2024-11-19 21:59:41,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18368 states, 15078 states have (on average 1.6354291020029181) internal successors, (24659), 15084 states have internal predecessors, (24659), 3264 states have call successors, (3264), 21 states have call predecessors, (3264), 25 states have return successors, (3603), 3262 states have call predecessors, (3603), 3263 states have call successors, (3603) [2024-11-19 21:59:41,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18368 states to 18368 states and 31526 transitions. [2024-11-19 21:59:41,509 INFO L78 Accepts]: Start accepts. Automaton has 18368 states and 31526 transitions. Word has length 121 [2024-11-19 21:59:41,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 21:59:41,511 INFO L471 AbstractCegarLoop]: Abstraction has 18368 states and 31526 transitions. [2024-11-19 21:59:41,511 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-19 21:59:41,511 INFO L276 IsEmpty]: Start isEmpty. Operand 18368 states and 31526 transitions. [2024-11-19 21:59:41,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-19 21:59:41,538 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 21:59:41,538 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2024-11-19 21:59:41,538 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-19 21:59:41,538 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 21:59:41,539 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 21:59:41,539 INFO L85 PathProgramCache]: Analyzing trace with hash 1967538743, now seen corresponding path program 1 times [2024-11-19 21:59:41,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 21:59:41,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449041873] [2024-11-19 21:59:41,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:59:41,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 21:59:41,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:41,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 21:59:41,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:41,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 21:59:41,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:41,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 21:59:41,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:41,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 21:59:41,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:41,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 21:59:41,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:41,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-19 21:59:41,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:41,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-19 21:59:41,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:41,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-19 21:59:41,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:41,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-19 21:59:41,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:41,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-19 21:59:41,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:41,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-19 21:59:41,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:41,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-19 21:59:41,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:41,648 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-19 21:59:41,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 21:59:41,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449041873] [2024-11-19 21:59:41,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449041873] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 21:59:41,648 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 21:59:41,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 21:59:41,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145948109] [2024-11-19 21:59:41,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 21:59:41,649 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 21:59:41,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 21:59:41,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 21:59:41,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-19 21:59:41,650 INFO L87 Difference]: Start difference. First operand 18368 states and 31526 transitions. Second operand has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-19 21:59:43,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 21:59:43,357 INFO L93 Difference]: Finished difference Result 48662 states and 85015 transitions. [2024-11-19 21:59:43,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 21:59:43,358 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 122 [2024-11-19 21:59:43,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 21:59:43,506 INFO L225 Difference]: With dead ends: 48662 [2024-11-19 21:59:43,507 INFO L226 Difference]: Without dead ends: 32904 [2024-11-19 21:59:43,563 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-19 21:59:43,564 INFO L432 NwaCegarLoop]: 203 mSDtfsCounter, 1237 mSDsluCounter, 731 mSDsCounter, 0 mSdLazyCounter, 1171 mSolverCounterSat, 402 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1255 SdHoareTripleChecker+Valid, 934 SdHoareTripleChecker+Invalid, 1573 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 402 IncrementalHoareTripleChecker+Valid, 1171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-19 21:59:43,564 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1255 Valid, 934 Invalid, 1573 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [402 Valid, 1171 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-19 21:59:43,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32904 states. [2024-11-19 21:59:44,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32904 to 32804. [2024-11-19 21:59:44,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32804 states, 27064 states have (on average 1.6319095477386936) internal successors, (44166), 27070 states have internal predecessors, (44166), 5714 states have call successors, (5714), 21 states have call predecessors, (5714), 25 states have return successors, (6327), 5712 states have call predecessors, (6327), 5713 states have call successors, (6327) [2024-11-19 21:59:44,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32804 states to 32804 states and 56207 transitions. [2024-11-19 21:59:44,969 INFO L78 Accepts]: Start accepts. Automaton has 32804 states and 56207 transitions. Word has length 122 [2024-11-19 21:59:44,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 21:59:44,970 INFO L471 AbstractCegarLoop]: Abstraction has 32804 states and 56207 transitions. [2024-11-19 21:59:44,971 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-19 21:59:44,971 INFO L276 IsEmpty]: Start isEmpty. Operand 32804 states and 56207 transitions. [2024-11-19 21:59:44,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-19 21:59:44,998 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 21:59:44,998 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2024-11-19 21:59:44,999 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-19 21:59:45,000 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 21:59:45,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 21:59:45,000 INFO L85 PathProgramCache]: Analyzing trace with hash 1698809343, now seen corresponding path program 1 times [2024-11-19 21:59:45,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 21:59:45,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621628229] [2024-11-19 21:59:45,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:59:45,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 21:59:45,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:45,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 21:59:45,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:45,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 21:59:45,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:45,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 21:59:45,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:45,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 21:59:45,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:45,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 21:59:45,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:45,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-19 21:59:45,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:45,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-19 21:59:45,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:45,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-19 21:59:45,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:45,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-19 21:59:45,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:45,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-19 21:59:45,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:45,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-19 21:59:45,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:45,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-19 21:59:45,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:45,126 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-19 21:59:45,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 21:59:45,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621628229] [2024-11-19 21:59:45,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [621628229] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 21:59:45,127 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 21:59:45,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 21:59:45,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349710058] [2024-11-19 21:59:45,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 21:59:45,128 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 21:59:45,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 21:59:45,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 21:59:45,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-19 21:59:45,130 INFO L87 Difference]: Start difference. First operand 32804 states and 56207 transitions. Second operand has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-19 21:59:47,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 21:59:47,728 INFO L93 Difference]: Finished difference Result 89559 states and 155649 transitions. [2024-11-19 21:59:47,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 21:59:47,729 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 123 [2024-11-19 21:59:47,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 21:59:48,020 INFO L225 Difference]: With dead ends: 89559 [2024-11-19 21:59:48,020 INFO L226 Difference]: Without dead ends: 60241 [2024-11-19 21:59:48,137 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-19 21:59:48,138 INFO L432 NwaCegarLoop]: 215 mSDtfsCounter, 1232 mSDsluCounter, 760 mSDsCounter, 0 mSdLazyCounter, 1187 mSolverCounterSat, 393 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1251 SdHoareTripleChecker+Valid, 975 SdHoareTripleChecker+Invalid, 1580 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 393 IncrementalHoareTripleChecker+Valid, 1187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-19 21:59:48,138 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1251 Valid, 975 Invalid, 1580 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [393 Valid, 1187 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-19 21:59:48,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60241 states. [2024-11-19 21:59:50,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60241 to 60141. [2024-11-19 21:59:50,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60141 states, 49888 states have (on average 1.6274254329698525) internal successors, (81189), 49894 states have internal predecessors, (81189), 10227 states have call successors, (10227), 21 states have call predecessors, (10227), 25 states have return successors, (11372), 10225 states have call predecessors, (11372), 10226 states have call successors, (11372) [2024-11-19 21:59:51,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60141 states to 60141 states and 102788 transitions. [2024-11-19 21:59:51,239 INFO L78 Accepts]: Start accepts. Automaton has 60141 states and 102788 transitions. Word has length 123 [2024-11-19 21:59:51,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 21:59:51,241 INFO L471 AbstractCegarLoop]: Abstraction has 60141 states and 102788 transitions. [2024-11-19 21:59:51,241 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-19 21:59:51,241 INFO L276 IsEmpty]: Start isEmpty. Operand 60141 states and 102788 transitions. [2024-11-19 21:59:51,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-19 21:59:51,265 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 21:59:51,265 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2024-11-19 21:59:51,265 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-19 21:59:51,265 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 21:59:51,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 21:59:51,266 INFO L85 PathProgramCache]: Analyzing trace with hash 554856855, now seen corresponding path program 1 times [2024-11-19 21:59:51,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 21:59:51,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115118120] [2024-11-19 21:59:51,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 21:59:51,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 21:59:51,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:51,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 21:59:51,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:51,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 21:59:51,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:51,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 21:59:51,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:51,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 21:59:51,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:51,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 21:59:51,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:51,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-19 21:59:51,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:51,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-19 21:59:51,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:51,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-19 21:59:51,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:51,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-19 21:59:51,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:51,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-19 21:59:51,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:51,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-19 21:59:51,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:51,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-19 21:59:51,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 21:59:51,367 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-19 21:59:51,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 21:59:51,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115118120] [2024-11-19 21:59:51,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2115118120] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 21:59:51,368 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 21:59:51,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 21:59:51,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349284205] [2024-11-19 21:59:51,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 21:59:51,369 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 21:59:51,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 21:59:51,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 21:59:51,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-19 21:59:51,370 INFO L87 Difference]: Start difference. First operand 60141 states and 102788 transitions. Second operand has 7 states, 7 states have (on average 12.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-19 21:59:54,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 21:59:54,516 INFO L93 Difference]: Finished difference Result 112650 states and 196227 transitions. [2024-11-19 21:59:54,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 21:59:54,517 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 124 [2024-11-19 21:59:54,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 21:59:55,271 INFO L225 Difference]: With dead ends: 112650 [2024-11-19 21:59:55,271 INFO L226 Difference]: Without dead ends: 112499 [2024-11-19 21:59:55,317 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-19 21:59:55,318 INFO L432 NwaCegarLoop]: 216 mSDtfsCounter, 1226 mSDsluCounter, 759 mSDsCounter, 0 mSdLazyCounter, 1212 mSolverCounterSat, 378 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1243 SdHoareTripleChecker+Valid, 975 SdHoareTripleChecker+Invalid, 1590 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 378 IncrementalHoareTripleChecker+Valid, 1212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-19 21:59:55,318 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1243 Valid, 975 Invalid, 1590 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [378 Valid, 1212 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-19 21:59:55,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112499 states. [2024-11-19 21:59:58,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112499 to 112399. [2024-11-19 21:59:58,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112399 states, 93778 states have (on average 1.6218729339503934) internal successors, (152096), 93784 states have internal predecessors, (152096), 18595 states have call successors, (18595), 21 states have call predecessors, (18595), 25 states have return successors, (20786), 18593 states have call predecessors, (20786), 18594 states have call successors, (20786) [2024-11-19 21:59:59,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112399 states to 112399 states and 191477 transitions. [2024-11-19 21:59:59,986 INFO L78 Accepts]: Start accepts. Automaton has 112399 states and 191477 transitions. Word has length 124 [2024-11-19 21:59:59,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 21:59:59,989 INFO L471 AbstractCegarLoop]: Abstraction has 112399 states and 191477 transitions. [2024-11-19 21:59:59,990 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-19 21:59:59,990 INFO L276 IsEmpty]: Start isEmpty. Operand 112399 states and 191477 transitions. [2024-11-19 22:00:00,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-19 22:00:00,026 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:00:00,026 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2024-11-19 22:00:00,027 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-19 22:00:00,027 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:00:00,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:00:00,027 INFO L85 PathProgramCache]: Analyzing trace with hash 1368831294, now seen corresponding path program 1 times [2024-11-19 22:00:00,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:00:00,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744687392] [2024-11-19 22:00:00,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:00:00,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:00:00,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:00:00,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 22:00:00,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:00:00,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 22:00:00,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:00:00,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 22:00:00,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:00:00,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 22:00:00,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:00:00,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 22:00:00,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:00:00,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-19 22:00:00,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:00:00,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-19 22:00:00,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:00:00,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-19 22:00:00,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:00:00,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-19 22:00:00,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:00:00,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-19 22:00:00,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:00:00,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-19 22:00:00,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:00:00,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-19 22:00:00,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:00:00,247 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-19 22:00:00,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:00:00,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744687392] [2024-11-19 22:00:00,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [744687392] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:00:00,248 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:00:00,248 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-19 22:00:00,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484446301] [2024-11-19 22:00:00,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:00:00,249 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-19 22:00:00,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:00:00,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-19 22:00:00,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2024-11-19 22:00:00,250 INFO L87 Difference]: Start difference. First operand 112399 states and 191477 transitions. Second operand has 11 states, 11 states have (on average 7.7272727272727275) internal successors, (85), 6 states have internal predecessors, (85), 1 states have call successors, (15), 5 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-19 22:00:03,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:00:03,946 INFO L93 Difference]: Finished difference Result 112489 states and 194907 transitions. [2024-11-19 22:00:03,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-19 22:00:03,946 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.7272727272727275) internal successors, (85), 6 states have internal predecessors, (85), 1 states have call successors, (15), 5 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 1 states have call successors, (12) Word has length 125 [2024-11-19 22:00:03,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:00:03,975 INFO L225 Difference]: With dead ends: 112489 [2024-11-19 22:00:03,975 INFO L226 Difference]: Without dead ends: 0 [2024-11-19 22:00:04,373 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=113, Invalid=349, Unknown=0, NotChecked=0, Total=462 [2024-11-19 22:00:04,374 INFO L432 NwaCegarLoop]: 202 mSDtfsCounter, 1112 mSDsluCounter, 1397 mSDsCounter, 0 mSdLazyCounter, 3052 mSolverCounterSat, 306 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1112 SdHoareTripleChecker+Valid, 1599 SdHoareTripleChecker+Invalid, 3358 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 306 IncrementalHoareTripleChecker+Valid, 3052 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-19 22:00:04,374 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1112 Valid, 1599 Invalid, 3358 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [306 Valid, 3052 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-19 22:00:04,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-19 22:00:04,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-19 22:00:04,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:00:04,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-19 22:00:04,393 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 125 [2024-11-19 22:00:04,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:00:04,393 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-19 22:00:04,393 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.7272727272727275) internal successors, (85), 6 states have internal predecessors, (85), 1 states have call successors, (15), 5 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-19 22:00:04,393 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-19 22:00:04,394 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-19 22:00:04,396 INFO L782 garLoopResultBuilder]: Registering result SAFE for location outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-19 22:00:04,397 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-19 22:00:04,400 INFO L407 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:00:04,402 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.