./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/email_spec0_product38.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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 ../sv-benchmarks/c/product-lines/email_spec0_product38.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 bd6587ac6cf18c69f9c15caef5354ee5ad606346c35154ee0861ae3e169457d6 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-09 22:59:40,798 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 22:59:40,860 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-09 22:59:40,864 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 22:59:40,864 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 22:59:40,888 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 22:59:40,889 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 22:59:40,890 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 22:59:40,890 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 22:59:40,890 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 22:59:40,891 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 22:59:40,891 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 22:59:40,891 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 22:59:40,892 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 22:59:40,892 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 22:59:40,892 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 22:59:40,893 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 22:59:40,893 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 22:59:40,893 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 22:59:40,893 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 22:59:40,894 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 22:59:40,896 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 22:59:40,896 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 22:59:40,896 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 22:59:40,896 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 22:59:40,897 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 22:59:40,897 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 22:59:40,897 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 22:59:40,897 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-09 22:59:40,897 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 22:59:40,898 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 22:59:40,898 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 22:59:40,898 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 22:59:40,898 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 22:59:40,899 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 22:59:40,899 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 22:59:40,899 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 22:59:40,900 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 22:59:40,900 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 22:59:40,900 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 22:59:40,900 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 22:59:40,900 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 22:59:40,900 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bd6587ac6cf18c69f9c15caef5354ee5ad606346c35154ee0861ae3e169457d6 [2024-11-09 22:59:41,096 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 22:59:41,112 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 22:59:41,113 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 22:59:41,114 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 22:59:41,115 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 22:59:41,115 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec0_product38.cil.c [2024-11-09 22:59:42,309 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 22:59:42,541 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 22:59:42,541 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_product38.cil.c [2024-11-09 22:59:42,561 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11f136f21/f12352d8b7ff448b93858adc8b4f6644/FLAG12422989a [2024-11-09 22:59:42,886 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11f136f21/f12352d8b7ff448b93858adc8b4f6644 [2024-11-09 22:59:42,888 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 22:59:42,889 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 22:59:42,889 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 22:59:42,889 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 22:59:42,893 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 22:59:42,893 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 10:59:42" (1/1) ... [2024-11-09 22:59:42,894 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@340f00b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:59:42, skipping insertion in model container [2024-11-09 22:59:42,894 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 10:59:42" (1/1) ... [2024-11-09 22:59:42,939 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 22:59:43,159 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_spec0_product38.cil.c[9373,9386] [2024-11-09 22:59:43,340 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 22:59:43,351 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 22:59:43,358 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [48] [2024-11-09 22:59:43,359 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [460] [2024-11-09 22:59:43,360 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [469] [2024-11-09 22:59:43,360 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [801] [2024-11-09 22:59:43,360 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [1167] [2024-11-09 22:59:43,360 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1386] [2024-11-09 22:59:43,360 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"DecryptForward_spec.i","") [2455] [2024-11-09 22:59:43,360 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [2475] [2024-11-09 22:59:43,361 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [2510] [2024-11-09 22:59:43,361 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2747] [2024-11-09 22:59:43,361 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2810] [2024-11-09 22:59:43,374 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_spec0_product38.cil.c[9373,9386] [2024-11-09 22:59:43,417 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 22:59:43,443 INFO L204 MainTranslator]: Completed translation [2024-11-09 22:59:43,444 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:59:43 WrapperNode [2024-11-09 22:59:43,444 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 22:59:43,445 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 22:59:43,445 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 22:59:43,445 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 22:59:43,449 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:59:43" (1/1) ... [2024-11-09 22:59:43,472 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:59:43" (1/1) ... [2024-11-09 22:59:43,505 INFO L138 Inliner]: procedures = 124, calls = 177, calls flagged for inlining = 49, calls inlined = 46, statements flattened = 872 [2024-11-09 22:59:43,505 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 22:59:43,506 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 22:59:43,506 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 22:59:43,506 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 22:59:43,515 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:59:43" (1/1) ... [2024-11-09 22:59:43,515 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:59:43" (1/1) ... [2024-11-09 22:59:43,520 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:59:43" (1/1) ... [2024-11-09 22:59:43,550 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]. [2024-11-09 22:59:43,550 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:59:43" (1/1) ... [2024-11-09 22:59:43,551 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:59:43" (1/1) ... [2024-11-09 22:59:43,568 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:59:43" (1/1) ... [2024-11-09 22:59:43,569 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:59:43" (1/1) ... [2024-11-09 22:59:43,576 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:59:43" (1/1) ... [2024-11-09 22:59:43,583 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:59:43" (1/1) ... [2024-11-09 22:59:43,591 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 22:59:43,595 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-09 22:59:43,595 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-09 22:59:43,595 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-09 22:59:43,596 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:59:43" (1/1) ... [2024-11-09 22:59:43,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 22:59:43,616 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 22:59:43,631 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) [2024-11-09 22:59:43,635 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 [2024-11-09 22:59:43,670 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-11-09 22:59:43,671 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-11-09 22:59:43,671 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-11-09 22:59:43,671 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-11-09 22:59:43,671 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2024-11-09 22:59:43,671 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2024-11-09 22:59:43,671 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-11-09 22:59:43,672 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-11-09 22:59:43,672 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-11-09 22:59:43,672 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-11-09 22:59:43,672 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-11-09 22:59:43,672 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-11-09 22:59:43,673 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-11-09 22:59:43,673 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-11-09 22:59:43,673 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-11-09 22:59:43,673 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-11-09 22:59:43,673 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-11-09 22:59:43,674 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-11-09 22:59:43,674 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 22:59:43,674 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-11-09 22:59:43,675 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-11-09 22:59:43,675 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-11-09 22:59:43,675 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-11-09 22:59:43,675 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-11-09 22:59:43,675 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-11-09 22:59:43,675 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-11-09 22:59:43,676 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-11-09 22:59:43,676 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-11-09 22:59:43,676 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-11-09 22:59:43,676 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-11-09 22:59:43,676 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-11-09 22:59:43,676 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-11-09 22:59:43,676 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-11-09 22:59:43,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 22:59:43,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 22:59:43,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-09 22:59:43,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-09 22:59:43,677 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-11-09 22:59:43,677 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-11-09 22:59:43,677 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-11-09 22:59:43,677 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-11-09 22:59:43,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 22:59:43,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 22:59:43,838 INFO L256 CfgBuilder]: Building ICFG [2024-11-09 22:59:43,841 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 22:59:43,984 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2385-1: getClientForwardReceiver_#res#1 := getClientForwardReceiver_~retValue_acc~30#1; [2024-11-09 22:59:43,984 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2432-1: getClientId_#res#1 := getClientId_~retValue_acc~31#1; [2024-11-09 22:59:43,984 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L141-1: getEmailFrom_#res#1 := getEmailFrom_~retValue_acc~2#1; [2024-11-09 22:59:43,984 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L104-1: getEmailId_#res#1 := getEmailId_~retValue_acc~1#1; [2024-11-09 22:59:44,034 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L178: #res := ~retValue_acc~3; [2024-11-09 22:59:44,069 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2044-1: getClientKeyringSize_#res#1 := getClientKeyringSize_~retValue_acc~25#1; [2024-11-09 22:59:44,070 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2089: #res#1 := ~retValue_acc~26#1; [2024-11-09 22:59:44,117 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2807-1: createEmail_#res#1 := createEmail_~retValue_acc~41#1; [2024-11-09 22:59:44,128 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1541: #res := ~retValue_acc~18; [2024-11-09 22:59:44,158 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1867: #res := ~retValue_acc~22; [2024-11-09 22:59:44,373 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2679-1: get_queued_client_#res#1 := get_queued_client_~retValue_acc~36#1; [2024-11-09 22:59:44,374 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2152-1: getClientKeyringUser_#res#1 := getClientKeyringUser_~retValue_acc~27#1; [2024-11-09 22:59:44,374 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2670-1: is_queue_empty_#res#1 := is_queue_empty_~retValue_acc~35#1; [2024-11-09 22:59:44,374 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2688-1: get_queued_email_#res#1 := get_queued_email_~retValue_acc~37#1; [2024-11-09 22:59:44,374 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2259-1: getClientKeyringPublicKey_#res#1 := getClientKeyringPublicKey_~retValue_acc~28#1; [2024-11-09 22:59:44,374 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2507-1: valid_product_#res#1 := valid_product_~retValue_acc~33#1; [2024-11-09 22:59:44,401 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2783: #res := ~retValue_acc~39; [2024-11-09 22:59:44,505 INFO L? ?]: Removed 411 outVars from TransFormulas that were not future-live. [2024-11-09 22:59:44,505 INFO L307 CfgBuilder]: Performing block encoding [2024-11-09 22:59:44,523 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 22:59:44,523 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 22:59:44,524 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.11 10:59:44 BoogieIcfgContainer [2024-11-09 22:59:44,524 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-09 22:59:44,526 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 22:59:44,526 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 22:59:44,528 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 22:59:44,528 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 10:59:42" (1/3) ... [2024-11-09 22:59:44,529 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c05017c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 10:59:44, skipping insertion in model container [2024-11-09 22:59:44,529 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:59:43" (2/3) ... [2024-11-09 22:59:44,530 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c05017c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 10:59:44, skipping insertion in model container [2024-11-09 22:59:44,531 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.11 10:59:44" (3/3) ... [2024-11-09 22:59:44,532 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec0_product38.cil.c [2024-11-09 22:59:44,545 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 22:59:44,545 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 22:59:44,601 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 22:59:44,608 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;@c32bfbf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 22:59:44,609 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 22:59:44,615 INFO L276 IsEmpty]: Start isEmpty. Operand has 325 states, 258 states have (on average 1.5465116279069768) internal successors, (399), 261 states have internal predecessors, (399), 47 states have call successors, (47), 18 states have call predecessors, (47), 18 states have return successors, (47), 46 states have call predecessors, (47), 47 states have call successors, (47) [2024-11-09 22:59:44,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-09 22:59:44,630 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 22:59:44,631 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 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] [2024-11-09 22:59:44,631 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 22:59:44,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 22:59:44,635 INFO L85 PathProgramCache]: Analyzing trace with hash -964130742, now seen corresponding path program 1 times [2024-11-09 22:59:44,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 22:59:44,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63573460] [2024-11-09 22:59:44,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 22:59:44,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 22:59:44,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:45,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 22:59:45,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:45,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 22:59:45,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:45,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 22:59:45,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:45,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-09 22:59:45,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:45,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-09 22:59:45,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:45,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-09 22:59:45,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:45,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 22:59:45,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:45,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-09 22:59:45,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:45,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-09 22:59:45,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:45,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-09 22:59:45,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:45,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-09 22:59:45,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:45,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 22:59:45,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:45,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 22:59:45,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:45,246 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-09 22:59:45,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 22:59:45,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63573460] [2024-11-09 22:59:45,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [63573460] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 22:59:45,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [111540193] [2024-11-09 22:59:45,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 22:59:45,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 22:59:45,249 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 22:59:45,251 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) [2024-11-09 22:59:45,252 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 22:59:45,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:45,491 INFO L255 TraceCheckSpWp]: Trace formula consists of 953 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 22:59:45,498 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 22:59:45,513 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 22:59:45,513 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 22:59:45,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [111540193] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 22:59:45,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 22:59:45,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2024-11-09 22:59:45,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60209338] [2024-11-09 22:59:45,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 22:59:45,522 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 22:59:45,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 22:59:45,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 22:59:45,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-09 22:59:45,555 INFO L87 Difference]: Start difference. First operand has 325 states, 258 states have (on average 1.5465116279069768) internal successors, (399), 261 states have internal predecessors, (399), 47 states have call successors, (47), 18 states have call predecessors, (47), 18 states have return successors, (47), 46 states have call predecessors, (47), 47 states have call successors, (47) Second operand has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-09 22:59:45,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 22:59:45,600 INFO L93 Difference]: Finished difference Result 446 states and 665 transitions. [2024-11-09 22:59:45,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 22:59:45,604 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 103 [2024-11-09 22:59:45,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 22:59:45,616 INFO L225 Difference]: With dead ends: 446 [2024-11-09 22:59:45,616 INFO L226 Difference]: Without dead ends: 317 [2024-11-09 22:59:45,622 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-09 22:59:45,624 INFO L432 NwaCegarLoop]: 488 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, 488 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 [2024-11-09 22:59:45,625 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 488 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 22:59:45,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2024-11-09 22:59:45,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 317. [2024-11-09 22:59:45,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 317 states, 251 states have (on average 1.5418326693227091) internal successors, (387), 253 states have internal predecessors, (387), 47 states have call successors, (47), 18 states have call predecessors, (47), 18 states have return successors, (46), 45 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-09 22:59:45,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 480 transitions. [2024-11-09 22:59:45,689 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 480 transitions. Word has length 103 [2024-11-09 22:59:45,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 22:59:45,691 INFO L471 AbstractCegarLoop]: Abstraction has 317 states and 480 transitions. [2024-11-09 22:59:45,691 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-09 22:59:45,691 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 480 transitions. [2024-11-09 22:59:45,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-09 22:59:45,699 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 22:59:45,699 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 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] [2024-11-09 22:59:45,716 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 22:59:45,900 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 [2024-11-09 22:59:45,900 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 22:59:45,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 22:59:45,901 INFO L85 PathProgramCache]: Analyzing trace with hash -272046544, now seen corresponding path program 1 times [2024-11-09 22:59:45,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 22:59:45,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186900716] [2024-11-09 22:59:45,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 22:59:45,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 22:59:45,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:46,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 22:59:46,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:46,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 22:59:46,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:46,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 22:59:46,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:46,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-09 22:59:46,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:46,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-09 22:59:46,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:46,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-09 22:59:46,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:46,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-09 22:59:46,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:46,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-09 22:59:46,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:46,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-09 22:59:46,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:46,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-09 22:59:46,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:46,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-09 22:59:46,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:46,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-09 22:59:46,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:46,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-09 22:59:46,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:46,147 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-09 22:59:46,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 22:59:46,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186900716] [2024-11-09 22:59:46,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186900716] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 22:59:46,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [692966606] [2024-11-09 22:59:46,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 22:59:46,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 22:59:46,148 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 22:59:46,150 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) [2024-11-09 22:59:46,151 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 22:59:46,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:46,362 INFO L255 TraceCheckSpWp]: Trace formula consists of 955 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 22:59:46,365 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 22:59:46,395 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 22:59:46,396 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 22:59:46,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [692966606] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 22:59:46,396 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 22:59:46,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-11-09 22:59:46,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047033367] [2024-11-09 22:59:46,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 22:59:46,397 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 22:59:46,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 22:59:46,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 22:59:46,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-09 22:59:46,400 INFO L87 Difference]: Start difference. First operand 317 states and 480 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-09 22:59:46,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 22:59:46,428 INFO L93 Difference]: Finished difference Result 435 states and 642 transitions. [2024-11-09 22:59:46,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 22:59:46,432 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 105 [2024-11-09 22:59:46,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 22:59:46,436 INFO L225 Difference]: With dead ends: 435 [2024-11-09 22:59:46,437 INFO L226 Difference]: Without dead ends: 320 [2024-11-09 22:59:46,438 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-09 22:59:46,438 INFO L432 NwaCegarLoop]: 479 mSDtfsCounter, 0 mSDsluCounter, 477 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 956 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 22:59:46,439 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 956 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 22:59:46,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2024-11-09 22:59:46,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 320. [2024-11-09 22:59:46,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 320 states, 254 states have (on average 1.5354330708661417) internal successors, (390), 256 states have internal predecessors, (390), 47 states have call successors, (47), 18 states have call predecessors, (47), 18 states have return successors, (46), 45 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-09 22:59:46,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 483 transitions. [2024-11-09 22:59:46,453 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 483 transitions. Word has length 105 [2024-11-09 22:59:46,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 22:59:46,453 INFO L471 AbstractCegarLoop]: Abstraction has 320 states and 483 transitions. [2024-11-09 22:59:46,453 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-09 22:59:46,454 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 483 transitions. [2024-11-09 22:59:46,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-09 22:59:46,455 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 22:59:46,455 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 22:59:46,470 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-09 22:59:46,659 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 [2024-11-09 22:59:46,660 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 22:59:46,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 22:59:46,660 INFO L85 PathProgramCache]: Analyzing trace with hash -1241551208, now seen corresponding path program 1 times [2024-11-09 22:59:46,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 22:59:46,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783974012] [2024-11-09 22:59:46,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 22:59:46,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 22:59:46,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:46,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 22:59:46,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:46,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 22:59:46,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:46,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 22:59:46,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:46,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-09 22:59:46,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:46,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-09 22:59:46,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:46,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-09 22:59:46,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:46,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-09 22:59:46,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:46,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-09 22:59:46,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:46,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-09 22:59:46,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:46,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-09 22:59:46,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:46,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-09 22:59:46,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:46,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-09 22:59:46,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:46,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-09 22:59:46,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:46,856 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-11-09 22:59:46,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 22:59:46,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783974012] [2024-11-09 22:59:46,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783974012] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 22:59:46,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [527140214] [2024-11-09 22:59:46,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 22:59:46,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 22:59:46,857 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 22:59:46,859 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) [2024-11-09 22:59:46,860 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 22:59:47,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:47,063 INFO L255 TraceCheckSpWp]: Trace formula consists of 969 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 22:59:47,066 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 22:59:47,091 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 22:59:47,091 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 22:59:47,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [527140214] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 22:59:47,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 22:59:47,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-11-09 22:59:47,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073908553] [2024-11-09 22:59:47,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 22:59:47,092 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 22:59:47,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 22:59:47,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 22:59:47,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-09 22:59:47,093 INFO L87 Difference]: Start difference. First operand 320 states and 483 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-09 22:59:47,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 22:59:47,125 INFO L93 Difference]: Finished difference Result 697 states and 1067 transitions. [2024-11-09 22:59:47,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 22:59:47,126 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 112 [2024-11-09 22:59:47,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 22:59:47,128 INFO L225 Difference]: With dead ends: 697 [2024-11-09 22:59:47,128 INFO L226 Difference]: Without dead ends: 405 [2024-11-09 22:59:47,129 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-09 22:59:47,130 INFO L432 NwaCegarLoop]: 490 mSDtfsCounter, 144 mSDsluCounter, 433 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 923 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 [2024-11-09 22:59:47,131 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 923 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 22:59:47,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2024-11-09 22:59:47,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 397. [2024-11-09 22:59:47,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 397 states, 317 states have (on average 1.5425867507886435) internal successors, (489), 319 states have internal predecessors, (489), 61 states have call successors, (61), 18 states have call predecessors, (61), 18 states have return successors, (60), 59 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-09 22:59:47,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 610 transitions. [2024-11-09 22:59:47,167 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 610 transitions. Word has length 112 [2024-11-09 22:59:47,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 22:59:47,167 INFO L471 AbstractCegarLoop]: Abstraction has 397 states and 610 transitions. [2024-11-09 22:59:47,168 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-09 22:59:47,168 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 610 transitions. [2024-11-09 22:59:47,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-09 22:59:47,171 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 22:59:47,171 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 22:59:47,189 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-09 22:59:47,371 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 [2024-11-09 22:59:47,372 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 22:59:47,372 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 22:59:47,372 INFO L85 PathProgramCache]: Analyzing trace with hash -246185881, now seen corresponding path program 1 times [2024-11-09 22:59:47,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 22:59:47,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245949453] [2024-11-09 22:59:47,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 22:59:47,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 22:59:47,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:47,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 22:59:47,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:47,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 22:59:47,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:47,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 22:59:47,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:47,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-09 22:59:47,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:47,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-09 22:59:47,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:47,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-09 22:59:47,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:47,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-09 22:59:47,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:47,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-09 22:59:47,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:47,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 22:59:47,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:47,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-09 22:59:47,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:47,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-09 22:59:47,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:47,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-09 22:59:47,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:47,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-09 22:59:47,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:47,539 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-11-09 22:59:47,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 22:59:47,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245949453] [2024-11-09 22:59:47,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [245949453] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 22:59:47,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1164553853] [2024-11-09 22:59:47,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 22:59:47,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 22:59:47,540 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 22:59:47,541 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) [2024-11-09 22:59:47,543 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 22:59:47,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:47,729 INFO L255 TraceCheckSpWp]: Trace formula consists of 974 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 22:59:47,733 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 22:59:47,784 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 22:59:47,784 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 22:59:47,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1164553853] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 22:59:47,784 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 22:59:47,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2024-11-09 22:59:47,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931630767] [2024-11-09 22:59:47,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 22:59:47,785 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 22:59:47,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 22:59:47,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 22:59:47,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-09 22:59:47,786 INFO L87 Difference]: Start difference. First operand 397 states and 610 transitions. Second operand has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-09 22:59:47,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 22:59:47,830 INFO L93 Difference]: Finished difference Result 785 states and 1210 transitions. [2024-11-09 22:59:47,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 22:59:47,831 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) Word has length 113 [2024-11-09 22:59:47,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 22:59:47,835 INFO L225 Difference]: With dead ends: 785 [2024-11-09 22:59:47,835 INFO L226 Difference]: Without dead ends: 399 [2024-11-09 22:59:47,837 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-09 22:59:47,837 INFO L432 NwaCegarLoop]: 472 mSDtfsCounter, 2 mSDsluCounter, 1405 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1877 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 [2024-11-09 22:59:47,839 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1877 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 22:59:47,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2024-11-09 22:59:47,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 399. [2024-11-09 22:59:47,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 399 states, 318 states have (on average 1.5408805031446542) internal successors, (490), 321 states have internal predecessors, (490), 61 states have call successors, (61), 18 states have call predecessors, (61), 19 states have return successors, (62), 59 states have call predecessors, (62), 60 states have call successors, (62) [2024-11-09 22:59:47,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 613 transitions. [2024-11-09 22:59:47,859 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 613 transitions. Word has length 113 [2024-11-09 22:59:47,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 22:59:47,859 INFO L471 AbstractCegarLoop]: Abstraction has 399 states and 613 transitions. [2024-11-09 22:59:47,859 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-09 22:59:47,859 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 613 transitions. [2024-11-09 22:59:47,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-09 22:59:47,862 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 22:59:47,863 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 22:59:47,878 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-09 22:59:48,063 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 [2024-11-09 22:59:48,063 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 22:59:48,064 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 22:59:48,064 INFO L85 PathProgramCache]: Analyzing trace with hash 758828119, now seen corresponding path program 1 times [2024-11-09 22:59:48,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 22:59:48,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068396650] [2024-11-09 22:59:48,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 22:59:48,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 22:59:48,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:48,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 22:59:48,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:48,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 22:59:48,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:48,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 22:59:48,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:48,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 22:59:48,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:48,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-09 22:59:48,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:48,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 22:59:48,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:48,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-09 22:59:48,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:48,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-09 22:59:48,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:48,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-09 22:59:48,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:48,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 22:59:48,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:48,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 22:59:48,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:48,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-09 22:59:48,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:48,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-09 22:59:48,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:48,265 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-11-09 22:59:48,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 22:59:48,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068396650] [2024-11-09 22:59:48,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1068396650] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 22:59:48,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [386658671] [2024-11-09 22:59:48,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 22:59:48,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 22:59:48,266 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 22:59:48,267 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) [2024-11-09 22:59:48,268 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 22:59:48,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:48,466 INFO L255 TraceCheckSpWp]: Trace formula consists of 975 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 22:59:48,469 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 22:59:48,509 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 22:59:48,510 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 22:59:48,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [386658671] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 22:59:48,510 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 22:59:48,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2024-11-09 22:59:48,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366665108] [2024-11-09 22:59:48,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 22:59:48,510 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 22:59:48,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 22:59:48,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 22:59:48,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-11-09 22:59:48,513 INFO L87 Difference]: Start difference. First operand 399 states and 613 transitions. Second operand has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-09 22:59:48,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 22:59:48,566 INFO L93 Difference]: Finished difference Result 787 states and 1215 transitions. [2024-11-09 22:59:48,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 22:59:48,567 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 114 [2024-11-09 22:59:48,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 22:59:48,569 INFO L225 Difference]: With dead ends: 787 [2024-11-09 22:59:48,569 INFO L226 Difference]: Without dead ends: 401 [2024-11-09 22:59:48,570 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-11-09 22:59:48,571 INFO L432 NwaCegarLoop]: 470 mSDtfsCounter, 2 mSDsluCounter, 1393 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1863 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 [2024-11-09 22:59:48,571 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1863 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 22:59:48,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2024-11-09 22:59:48,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 401. [2024-11-09 22:59:48,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 401 states, 319 states have (on average 1.5391849529780564) internal successors, (491), 323 states have internal predecessors, (491), 61 states have call successors, (61), 18 states have call predecessors, (61), 20 states have return successors, (67), 59 states have call predecessors, (67), 60 states have call successors, (67) [2024-11-09 22:59:48,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 619 transitions. [2024-11-09 22:59:48,584 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 619 transitions. Word has length 114 [2024-11-09 22:59:48,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 22:59:48,585 INFO L471 AbstractCegarLoop]: Abstraction has 401 states and 619 transitions. [2024-11-09 22:59:48,585 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-09 22:59:48,585 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 619 transitions. [2024-11-09 22:59:48,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-09 22:59:48,586 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 22:59:48,587 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 22:59:48,602 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-09 22:59:48,787 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 [2024-11-09 22:59:48,787 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 22:59:48,788 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 22:59:48,788 INFO L85 PathProgramCache]: Analyzing trace with hash 1007888462, now seen corresponding path program 1 times [2024-11-09 22:59:48,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 22:59:48,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955593369] [2024-11-09 22:59:48,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 22:59:48,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 22:59:48,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:48,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 22:59:48,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:48,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 22:59:48,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:48,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 22:59:48,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:48,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 22:59:48,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:48,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 22:59:48,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:48,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-09 22:59:48,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:48,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-09 22:59:48,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:48,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-09 22:59:48,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:48,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-09 22:59:48,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:48,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-09 22:59:48,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:48,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-09 22:59:48,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:48,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 22:59:48,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:48,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 22:59:48,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:48,962 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-11-09 22:59:48,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 22:59:48,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955593369] [2024-11-09 22:59:48,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1955593369] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 22:59:48,963 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 22:59:48,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-09 22:59:48,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207899619] [2024-11-09 22:59:48,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 22:59:48,963 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 22:59:48,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 22:59:48,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 22:59:48,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-09 22:59:48,964 INFO L87 Difference]: Start difference. First operand 401 states and 619 transitions. Second operand has 9 states, 8 states have (on average 8.875) internal successors, (71), 5 states have internal predecessors, (71), 3 states have call successors, (16), 6 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-09 22:59:50,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 22:59:50,409 INFO L93 Difference]: Finished difference Result 910 states and 1424 transitions. [2024-11-09 22:59:50,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 22:59:50,410 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.875) internal successors, (71), 5 states have internal predecessors, (71), 3 states have call successors, (16), 6 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) Word has length 115 [2024-11-09 22:59:50,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 22:59:50,413 INFO L225 Difference]: With dead ends: 910 [2024-11-09 22:59:50,413 INFO L226 Difference]: Without dead ends: 532 [2024-11-09 22:59:50,414 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-09 22:59:50,414 INFO L432 NwaCegarLoop]: 222 mSDtfsCounter, 910 mSDsluCounter, 1197 mSDsCounter, 0 mSdLazyCounter, 2149 mSolverCounterSat, 315 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 911 SdHoareTripleChecker+Valid, 1419 SdHoareTripleChecker+Invalid, 2464 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 315 IncrementalHoareTripleChecker+Valid, 2149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-09 22:59:50,414 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [911 Valid, 1419 Invalid, 2464 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [315 Valid, 2149 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-09 22:59:50,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 532 states. [2024-11-09 22:59:50,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 532 to 401. [2024-11-09 22:59:50,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 401 states, 319 states have (on average 1.5391849529780564) internal successors, (491), 323 states have internal predecessors, (491), 61 states have call successors, (61), 18 states have call predecessors, (61), 20 states have return successors, (66), 59 states have call predecessors, (66), 60 states have call successors, (66) [2024-11-09 22:59:50,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 618 transitions. [2024-11-09 22:59:50,437 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 618 transitions. Word has length 115 [2024-11-09 22:59:50,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 22:59:50,437 INFO L471 AbstractCegarLoop]: Abstraction has 401 states and 618 transitions. [2024-11-09 22:59:50,437 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.875) internal successors, (71), 5 states have internal predecessors, (71), 3 states have call successors, (16), 6 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-09 22:59:50,438 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 618 transitions. [2024-11-09 22:59:50,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-09 22:59:50,439 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 22:59:50,439 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 22:59:50,439 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 22:59:50,439 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 22:59:50,440 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 22:59:50,440 INFO L85 PathProgramCache]: Analyzing trace with hash 392510496, now seen corresponding path program 2 times [2024-11-09 22:59:50,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 22:59:50,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633321285] [2024-11-09 22:59:50,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 22:59:50,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 22:59:50,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:50,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 22:59:50,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:50,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 22:59:50,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:50,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 22:59:50,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:50,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 22:59:50,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:50,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 22:59:50,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:50,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 22:59:50,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:50,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-09 22:59:50,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:50,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 22:59:50,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:50,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-09 22:59:50,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:50,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-09 22:59:50,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:50,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-09 22:59:50,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:50,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-09 22:59:50,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:50,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-09 22:59:50,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:50,575 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-11-09 22:59:50,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 22:59:50,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633321285] [2024-11-09 22:59:50,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [633321285] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 22:59:50,576 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 22:59:50,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-09 22:59:50,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177430688] [2024-11-09 22:59:50,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 22:59:50,576 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 22:59:50,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 22:59:50,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 22:59:50,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-09 22:59:50,577 INFO L87 Difference]: Start difference. First operand 401 states and 618 transitions. Second operand has 9 states, 8 states have (on average 9.0) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (16), 6 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-09 22:59:51,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 22:59:51,994 INFO L93 Difference]: Finished difference Result 912 states and 1427 transitions. [2024-11-09 22:59:51,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 22:59:51,994 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 9.0) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (16), 6 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) Word has length 116 [2024-11-09 22:59:51,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 22:59:51,997 INFO L225 Difference]: With dead ends: 912 [2024-11-09 22:59:51,997 INFO L226 Difference]: Without dead ends: 534 [2024-11-09 22:59:51,998 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-09 22:59:51,998 INFO L432 NwaCegarLoop]: 220 mSDtfsCounter, 909 mSDsluCounter, 1197 mSDsCounter, 0 mSdLazyCounter, 2120 mSolverCounterSat, 330 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 910 SdHoareTripleChecker+Valid, 1417 SdHoareTripleChecker+Invalid, 2450 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 330 IncrementalHoareTripleChecker+Valid, 2120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-09 22:59:51,999 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [910 Valid, 1417 Invalid, 2450 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [330 Valid, 2120 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-09 22:59:51,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 534 states. [2024-11-09 22:59:52,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 534 to 403. [2024-11-09 22:59:52,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 320 states have (on average 1.5375) internal successors, (492), 325 states have internal predecessors, (492), 61 states have call successors, (61), 18 states have call predecessors, (61), 21 states have return successors, (68), 59 states have call predecessors, (68), 60 states have call successors, (68) [2024-11-09 22:59:52,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 621 transitions. [2024-11-09 22:59:52,017 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 621 transitions. Word has length 116 [2024-11-09 22:59:52,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 22:59:52,018 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 621 transitions. [2024-11-09 22:59:52,018 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 9.0) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (16), 6 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-09 22:59:52,018 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 621 transitions. [2024-11-09 22:59:52,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-09 22:59:52,019 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 22:59:52,019 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 22:59:52,019 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 22:59:52,019 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 22:59:52,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 22:59:52,020 INFO L85 PathProgramCache]: Analyzing trace with hash 694953041, now seen corresponding path program 1 times [2024-11-09 22:59:52,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 22:59:52,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22431476] [2024-11-09 22:59:52,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 22:59:52,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 22:59:52,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:52,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 22:59:52,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:52,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 22:59:52,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:52,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 22:59:52,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:52,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 22:59:52,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:52,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 22:59:52,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:52,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 22:59:52,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:52,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-09 22:59:52,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:52,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-09 22:59:52,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:52,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-09 22:59:52,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:52,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-09 22:59:52,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:52,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 22:59:52,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:52,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-09 22:59:52,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:52,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-09 22:59:52,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:52,182 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-11-09 22:59:52,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 22:59:52,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22431476] [2024-11-09 22:59:52,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [22431476] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 22:59:52,182 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 22:59:52,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-09 22:59:52,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005326817] [2024-11-09 22:59:52,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 22:59:52,183 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 22:59:52,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 22:59:52,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 22:59:52,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-09 22:59:52,184 INFO L87 Difference]: Start difference. First operand 403 states and 621 transitions. Second operand has 12 states, 11 states have (on average 6.909090909090909) internal successors, (76), 8 states have internal predecessors, (76), 4 states have call successors, (16), 6 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 4 states have call successors, (13) [2024-11-09 22:59:54,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 22:59:54,038 INFO L93 Difference]: Finished difference Result 910 states and 1422 transitions. [2024-11-09 22:59:54,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-09 22:59:54,039 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.909090909090909) internal successors, (76), 8 states have internal predecessors, (76), 4 states have call successors, (16), 6 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 4 states have call successors, (13) Word has length 117 [2024-11-09 22:59:54,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 22:59:54,042 INFO L225 Difference]: With dead ends: 910 [2024-11-09 22:59:54,042 INFO L226 Difference]: Without dead ends: 534 [2024-11-09 22:59:54,044 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-11-09 22:59:54,045 INFO L432 NwaCegarLoop]: 220 mSDtfsCounter, 910 mSDsluCounter, 1746 mSDsCounter, 0 mSdLazyCounter, 3607 mSolverCounterSat, 318 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 911 SdHoareTripleChecker+Valid, 1966 SdHoareTripleChecker+Invalid, 3925 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 318 IncrementalHoareTripleChecker+Valid, 3607 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-09 22:59:54,045 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [911 Valid, 1966 Invalid, 3925 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [318 Valid, 3607 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-09 22:59:54,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 534 states. [2024-11-09 22:59:54,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 534 to 403. [2024-11-09 22:59:54,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 320 states have (on average 1.5375) internal successors, (492), 325 states have internal predecessors, (492), 61 states have call successors, (61), 18 states have call predecessors, (61), 21 states have return successors, (67), 59 states have call predecessors, (67), 60 states have call successors, (67) [2024-11-09 22:59:54,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 620 transitions. [2024-11-09 22:59:54,065 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 620 transitions. Word has length 117 [2024-11-09 22:59:54,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 22:59:54,065 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 620 transitions. [2024-11-09 22:59:54,065 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.909090909090909) internal successors, (76), 8 states have internal predecessors, (76), 4 states have call successors, (16), 6 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 4 states have call successors, (13) [2024-11-09 22:59:54,066 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 620 transitions. [2024-11-09 22:59:54,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-09 22:59:54,067 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 22:59:54,067 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 22:59:54,067 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 22:59:54,068 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 22:59:54,068 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 22:59:54,068 INFO L85 PathProgramCache]: Analyzing trace with hash -1948676568, now seen corresponding path program 2 times [2024-11-09 22:59:54,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 22:59:54,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753802982] [2024-11-09 22:59:54,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 22:59:54,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 22:59:54,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:54,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 22:59:54,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:54,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 22:59:54,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:54,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 22:59:54,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:54,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 22:59:54,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:54,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 22:59:54,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:54,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 22:59:54,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:54,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-09 22:59:54,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:54,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 22:59:54,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:54,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-09 22:59:54,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:54,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-09 22:59:54,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:54,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-09 22:59:54,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:54,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-09 22:59:54,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:54,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-09 22:59:54,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:54,237 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-11-09 22:59:54,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 22:59:54,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753802982] [2024-11-09 22:59:54,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1753802982] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 22:59:54,237 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 22:59:54,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-09 22:59:54,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897999959] [2024-11-09 22:59:54,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 22:59:54,238 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 22:59:54,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 22:59:54,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 22:59:54,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-09 22:59:54,239 INFO L87 Difference]: Start difference. First operand 403 states and 620 transitions. Second operand has 12 states, 11 states have (on average 7.0) internal successors, (77), 8 states have internal predecessors, (77), 4 states have call successors, (16), 6 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 4 states have call successors, (13) [2024-11-09 22:59:55,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 22:59:55,979 INFO L93 Difference]: Finished difference Result 912 states and 1428 transitions. [2024-11-09 22:59:55,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-09 22:59:55,980 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.0) internal successors, (77), 8 states have internal predecessors, (77), 4 states have call successors, (16), 6 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 4 states have call successors, (13) Word has length 118 [2024-11-09 22:59:55,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 22:59:55,982 INFO L225 Difference]: With dead ends: 912 [2024-11-09 22:59:55,983 INFO L226 Difference]: Without dead ends: 536 [2024-11-09 22:59:55,984 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-11-09 22:59:55,984 INFO L432 NwaCegarLoop]: 219 mSDtfsCounter, 909 mSDsluCounter, 1746 mSDsCounter, 0 mSdLazyCounter, 3543 mSolverCounterSat, 331 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 910 SdHoareTripleChecker+Valid, 1965 SdHoareTripleChecker+Invalid, 3874 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 331 IncrementalHoareTripleChecker+Valid, 3543 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-09 22:59:55,984 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [910 Valid, 1965 Invalid, 3874 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [331 Valid, 3543 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-09 22:59:55,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2024-11-09 22:59:55,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 405. [2024-11-09 22:59:56,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 405 states, 321 states have (on average 1.5358255451713396) internal successors, (493), 327 states have internal predecessors, (493), 61 states have call successors, (61), 18 states have call predecessors, (61), 22 states have return successors, (72), 59 states have call predecessors, (72), 60 states have call successors, (72) [2024-11-09 22:59:56,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 626 transitions. [2024-11-09 22:59:56,014 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 626 transitions. Word has length 118 [2024-11-09 22:59:56,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 22:59:56,014 INFO L471 AbstractCegarLoop]: Abstraction has 405 states and 626 transitions. [2024-11-09 22:59:56,014 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.0) internal successors, (77), 8 states have internal predecessors, (77), 4 states have call successors, (16), 6 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 4 states have call successors, (13) [2024-11-09 22:59:56,014 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 626 transitions. [2024-11-09 22:59:56,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-09 22:59:56,016 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 22:59:56,017 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 22:59:56,017 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 22:59:56,017 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 22:59:56,017 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 22:59:56,017 INFO L85 PathProgramCache]: Analyzing trace with hash 647573300, now seen corresponding path program 1 times [2024-11-09 22:59:56,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 22:59:56,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230456996] [2024-11-09 22:59:56,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 22:59:56,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 22:59:56,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:56,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 22:59:56,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:56,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 22:59:56,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:56,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 22:59:56,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:56,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 22:59:56,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:56,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 22:59:56,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:56,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 22:59:56,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:56,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-09 22:59:56,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:56,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-09 22:59:56,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:56,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 22:59:56,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:56,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-09 22:59:56,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:56,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-09 22:59:56,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:56,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-09 22:59:56,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:56,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-09 22:59:56,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:56,134 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-09 22:59:56,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 22:59:56,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230456996] [2024-11-09 22:59:56,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [230456996] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 22:59:56,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [25506781] [2024-11-09 22:59:56,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 22:59:56,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 22:59:56,136 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 22:59:56,138 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) [2024-11-09 22:59:56,139 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-09 22:59:56,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:56,342 INFO L255 TraceCheckSpWp]: Trace formula consists of 980 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 22:59:56,344 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 22:59:56,366 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-09 22:59:56,368 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 22:59:56,446 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-09 22:59:56,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [25506781] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 22:59:56,448 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 22:59:56,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 11 [2024-11-09 22:59:56,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618824614] [2024-11-09 22:59:56,448 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 22:59:56,449 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 22:59:56,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 22:59:56,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 22:59:56,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-11-09 22:59:56,451 INFO L87 Difference]: Start difference. First operand 405 states and 626 transitions. Second operand has 11 states, 11 states have (on average 9.818181818181818) internal successors, (108), 7 states have internal predecessors, (108), 2 states have call successors, (33), 6 states have call predecessors, (33), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-09 22:59:57,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 22:59:57,582 INFO L93 Difference]: Finished difference Result 1144 states and 1851 transitions. [2024-11-09 22:59:57,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 22:59:57,583 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 9.818181818181818) internal successors, (108), 7 states have internal predecessors, (108), 2 states have call successors, (33), 6 states have call predecessors, (33), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 119 [2024-11-09 22:59:57,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 22:59:57,588 INFO L225 Difference]: With dead ends: 1144 [2024-11-09 22:59:57,588 INFO L226 Difference]: Without dead ends: 1029 [2024-11-09 22:59:57,589 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 276 GetRequests, 261 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2024-11-09 22:59:57,589 INFO L432 NwaCegarLoop]: 268 mSDtfsCounter, 1549 mSDsluCounter, 1401 mSDsCounter, 0 mSdLazyCounter, 1428 mSolverCounterSat, 501 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1603 SdHoareTripleChecker+Valid, 1669 SdHoareTripleChecker+Invalid, 1929 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 501 IncrementalHoareTripleChecker+Valid, 1428 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-09 22:59:57,590 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1603 Valid, 1669 Invalid, 1929 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [501 Valid, 1428 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-09 22:59:57,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1029 states. [2024-11-09 22:59:57,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1029 to 874. [2024-11-09 22:59:57,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 874 states, 711 states have (on average 1.571026722925457) internal successors, (1117), 717 states have internal predecessors, (1117), 140 states have call successors, (140), 18 states have call predecessors, (140), 22 states have return successors, (161), 138 states have call predecessors, (161), 139 states have call successors, (161) [2024-11-09 22:59:57,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 874 states to 874 states and 1418 transitions. [2024-11-09 22:59:57,618 INFO L78 Accepts]: Start accepts. Automaton has 874 states and 1418 transitions. Word has length 119 [2024-11-09 22:59:57,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 22:59:57,619 INFO L471 AbstractCegarLoop]: Abstraction has 874 states and 1418 transitions. [2024-11-09 22:59:57,619 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 9.818181818181818) internal successors, (108), 7 states have internal predecessors, (108), 2 states have call successors, (33), 6 states have call predecessors, (33), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-09 22:59:57,619 INFO L276 IsEmpty]: Start isEmpty. Operand 874 states and 1418 transitions. [2024-11-09 22:59:57,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-09 22:59:57,622 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 22:59:57,622 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 22:59:57,635 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-09 22:59:57,822 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 [2024-11-09 22:59:57,823 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 22:59:57,823 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 22:59:57,823 INFO L85 PathProgramCache]: Analyzing trace with hash -1817623513, now seen corresponding path program 1 times [2024-11-09 22:59:57,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 22:59:57,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367832609] [2024-11-09 22:59:57,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 22:59:57,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 22:59:57,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:57,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 22:59:57,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:57,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 22:59:57,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:57,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 22:59:57,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:57,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 22:59:57,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:57,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 22:59:57,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:57,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 22:59:57,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:57,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 22:59:57,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:57,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-09 22:59:57,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:57,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-09 22:59:57,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:57,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-09 22:59:57,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:57,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-09 22:59:57,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:57,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 22:59:57,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:57,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 22:59:57,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:57,918 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-09 22:59:57,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 22:59:57,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367832609] [2024-11-09 22:59:57,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367832609] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 22:59:57,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 22:59:57,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 22:59:57,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361459093] [2024-11-09 22:59:57,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 22:59:57,919 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 22:59:57,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 22:59:57,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 22:59:57,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 22:59:57,919 INFO L87 Difference]: Start difference. First operand 874 states and 1418 transitions. Second operand has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-09 22:59:58,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 22:59:58,865 INFO L93 Difference]: Finished difference Result 2284 states and 3774 transitions. [2024-11-09 22:59:58,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 22:59:58,866 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 133 [2024-11-09 22:59:58,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 22:59:58,872 INFO L225 Difference]: With dead ends: 2284 [2024-11-09 22:59:58,872 INFO L226 Difference]: Without dead ends: 1480 [2024-11-09 22:59:58,874 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-09 22:59:58,874 INFO L432 NwaCegarLoop]: 240 mSDtfsCounter, 1046 mSDsluCounter, 860 mSDsCounter, 0 mSdLazyCounter, 1283 mSolverCounterSat, 377 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1064 SdHoareTripleChecker+Valid, 1100 SdHoareTripleChecker+Invalid, 1660 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 377 IncrementalHoareTripleChecker+Valid, 1283 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-09 22:59:58,874 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1064 Valid, 1100 Invalid, 1660 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [377 Valid, 1283 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-09 22:59:58,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1480 states. [2024-11-09 22:59:58,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1480 to 1341. [2024-11-09 22:59:58,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1341 states, 1099 states have (on average 1.5732484076433122) internal successors, (1729), 1105 states have internal predecessors, (1729), 219 states have call successors, (219), 18 states have call predecessors, (219), 22 states have return successors, (250), 217 states have call predecessors, (250), 218 states have call successors, (250) [2024-11-09 22:59:58,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1341 states to 1341 states and 2198 transitions. [2024-11-09 22:59:58,910 INFO L78 Accepts]: Start accepts. Automaton has 1341 states and 2198 transitions. Word has length 133 [2024-11-09 22:59:58,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 22:59:58,910 INFO L471 AbstractCegarLoop]: Abstraction has 1341 states and 2198 transitions. [2024-11-09 22:59:58,910 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-09 22:59:58,910 INFO L276 IsEmpty]: Start isEmpty. Operand 1341 states and 2198 transitions. [2024-11-09 22:59:58,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-09 22:59:58,914 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 22:59:58,914 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 22:59:58,914 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-09 22:59:58,914 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 22:59:58,915 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 22:59:58,915 INFO L85 PathProgramCache]: Analyzing trace with hash -903676066, now seen corresponding path program 1 times [2024-11-09 22:59:58,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 22:59:58,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149859722] [2024-11-09 22:59:58,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 22:59:58,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 22:59:58,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:58,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 22:59:58,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:58,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 22:59:58,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:58,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 22:59:58,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:58,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 22:59:58,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:58,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 22:59:58,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:58,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 22:59:58,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:58,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-09 22:59:58,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:59,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 22:59:59,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:59,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 22:59:59,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:59,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-09 22:59:59,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:59,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-09 22:59:59,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:59,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-09 22:59:59,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:59,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-09 22:59:59,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:59:59,018 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-09 22:59:59,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 22:59:59,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149859722] [2024-11-09 22:59:59,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1149859722] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 22:59:59,019 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 22:59:59,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 22:59:59,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793693042] [2024-11-09 22:59:59,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 22:59:59,019 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 22:59:59,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 22:59:59,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 22:59:59,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 22:59:59,020 INFO L87 Difference]: Start difference. First operand 1341 states and 2198 transitions. Second operand has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-09 22:59:59,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 22:59:59,919 INFO L93 Difference]: Finished difference Result 3428 states and 5682 transitions. [2024-11-09 22:59:59,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 22:59:59,919 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 134 [2024-11-09 22:59:59,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 22:59:59,928 INFO L225 Difference]: With dead ends: 3428 [2024-11-09 22:59:59,928 INFO L226 Difference]: Without dead ends: 2216 [2024-11-09 22:59:59,931 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-09 22:59:59,932 INFO L432 NwaCegarLoop]: 224 mSDtfsCounter, 1044 mSDsluCounter, 825 mSDsCounter, 0 mSdLazyCounter, 1230 mSolverCounterSat, 392 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1063 SdHoareTripleChecker+Valid, 1049 SdHoareTripleChecker+Invalid, 1622 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 392 IncrementalHoareTripleChecker+Valid, 1230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-09 22:59:59,932 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1063 Valid, 1049 Invalid, 1622 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [392 Valid, 1230 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-09 22:59:59,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2216 states. [2024-11-09 23:00:00,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2216 to 2077. [2024-11-09 23:00:00,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2077 states, 1716 states have (on average 1.5734265734265733) internal successors, (2700), 1722 states have internal predecessors, (2700), 338 states have call successors, (338), 18 states have call predecessors, (338), 22 states have return successors, (369), 336 states have call predecessors, (369), 337 states have call successors, (369) [2024-11-09 23:00:00,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2077 states to 2077 states and 3407 transitions. [2024-11-09 23:00:00,024 INFO L78 Accepts]: Start accepts. Automaton has 2077 states and 3407 transitions. Word has length 134 [2024-11-09 23:00:00,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:00:00,024 INFO L471 AbstractCegarLoop]: Abstraction has 2077 states and 3407 transitions. [2024-11-09 23:00:00,025 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-09 23:00:00,025 INFO L276 IsEmpty]: Start isEmpty. Operand 2077 states and 3407 transitions. [2024-11-09 23:00:00,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-09 23:00:00,033 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:00:00,033 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:00:00,033 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-09 23:00:00,034 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:00:00,034 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:00:00,034 INFO L85 PathProgramCache]: Analyzing trace with hash -906272249, now seen corresponding path program 1 times [2024-11-09 23:00:00,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:00:00,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23804654] [2024-11-09 23:00:00,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:00:00,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:00:00,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:00,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:00:00,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:00,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:00:00,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:00,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:00:00,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:00,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:00:00,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:00,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:00:00,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:00,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 23:00:00,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:00,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-09 23:00:00,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:00,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-09 23:00:00,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:00,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-09 23:00:00,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:00,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-09 23:00:00,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:00,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-09 23:00:00,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:00,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-09 23:00:00,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:00,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-09 23:00:00,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:00,135 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-09 23:00:00,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:00:00,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23804654] [2024-11-09 23:00:00,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [23804654] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:00:00,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:00:00,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 23:00:00,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371312479] [2024-11-09 23:00:00,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:00:00,137 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 23:00:00,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:00:00,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 23:00:00,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:00:00,138 INFO L87 Difference]: Start difference. First operand 2077 states and 3407 transitions. Second operand has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-09 23:00:01,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:00:01,101 INFO L93 Difference]: Finished difference Result 5165 states and 8591 transitions. [2024-11-09 23:00:01,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 23:00:01,102 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 135 [2024-11-09 23:00:01,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:00:01,113 INFO L225 Difference]: With dead ends: 5165 [2024-11-09 23:00:01,113 INFO L226 Difference]: Without dead ends: 3356 [2024-11-09 23:00:01,116 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-09 23:00:01,116 INFO L432 NwaCegarLoop]: 222 mSDtfsCounter, 1040 mSDsluCounter, 820 mSDsCounter, 0 mSdLazyCounter, 1243 mSolverCounterSat, 374 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1058 SdHoareTripleChecker+Valid, 1042 SdHoareTripleChecker+Invalid, 1617 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 374 IncrementalHoareTripleChecker+Valid, 1243 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-09 23:00:01,117 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1058 Valid, 1042 Invalid, 1617 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [374 Valid, 1243 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-09 23:00:01,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3356 states. [2024-11-09 23:00:01,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3356 to 3217. [2024-11-09 23:00:01,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3217 states, 2694 states have (on average 1.5734966592427617) internal successors, (4239), 2700 states have internal predecessors, (4239), 500 states have call successors, (500), 18 states have call predecessors, (500), 22 states have return successors, (547), 498 states have call predecessors, (547), 499 states have call successors, (547) [2024-11-09 23:00:01,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3217 states to 3217 states and 5286 transitions. [2024-11-09 23:00:01,198 INFO L78 Accepts]: Start accepts. Automaton has 3217 states and 5286 transitions. Word has length 135 [2024-11-09 23:00:01,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:00:01,199 INFO L471 AbstractCegarLoop]: Abstraction has 3217 states and 5286 transitions. [2024-11-09 23:00:01,199 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-09 23:00:01,199 INFO L276 IsEmpty]: Start isEmpty. Operand 3217 states and 5286 transitions. [2024-11-09 23:00:01,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-09 23:00:01,208 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:00:01,208 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:00:01,208 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-09 23:00:01,208 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:00:01,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:00:01,209 INFO L85 PathProgramCache]: Analyzing trace with hash 552496926, now seen corresponding path program 1 times [2024-11-09 23:00:01,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:00:01,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486682242] [2024-11-09 23:00:01,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:00:01,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:00:01,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:01,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:00:01,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:01,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:00:01,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:01,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:00:01,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:01,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:00:01,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:01,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:00:01,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:01,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 23:00:01,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:01,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-09 23:00:01,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:01,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-09 23:00:01,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:01,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-09 23:00:01,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:01,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-09 23:00:01,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:01,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-09 23:00:01,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:01,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-09 23:00:01,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:01,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-09 23:00:01,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:01,289 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-09 23:00:01,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:00:01,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486682242] [2024-11-09 23:00:01,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1486682242] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:00:01,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:00:01,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 23:00:01,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059656407] [2024-11-09 23:00:01,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:00:01,290 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 23:00:01,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:00:01,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 23:00:01,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:00:01,290 INFO L87 Difference]: Start difference. First operand 3217 states and 5286 transitions. Second operand has 7 states, 7 states have (on average 13.0) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-09 23:00:02,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:00:02,278 INFO L93 Difference]: Finished difference Result 7931 states and 13222 transitions. [2024-11-09 23:00:02,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 23:00:02,279 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 136 [2024-11-09 23:00:02,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:00:02,298 INFO L225 Difference]: With dead ends: 7931 [2024-11-09 23:00:02,298 INFO L226 Difference]: Without dead ends: 5212 [2024-11-09 23:00:02,304 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-09 23:00:02,304 INFO L432 NwaCegarLoop]: 221 mSDtfsCounter, 1037 mSDsluCounter, 820 mSDsCounter, 0 mSdLazyCounter, 1242 mSolverCounterSat, 374 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1055 SdHoareTripleChecker+Valid, 1041 SdHoareTripleChecker+Invalid, 1616 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 374 IncrementalHoareTripleChecker+Valid, 1242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-09 23:00:02,304 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1055 Valid, 1041 Invalid, 1616 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [374 Valid, 1242 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-09 23:00:02,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5212 states. [2024-11-09 23:00:02,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5212 to 5073. [2024-11-09 23:00:02,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5073 states, 4305 states have (on average 1.572822299651568) internal successors, (6771), 4311 states have internal predecessors, (6771), 745 states have call successors, (745), 18 states have call predecessors, (745), 22 states have return successors, (818), 743 states have call predecessors, (818), 744 states have call successors, (818) [2024-11-09 23:00:02,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5073 states to 5073 states and 8334 transitions. [2024-11-09 23:00:02,460 INFO L78 Accepts]: Start accepts. Automaton has 5073 states and 8334 transitions. Word has length 136 [2024-11-09 23:00:02,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:00:02,460 INFO L471 AbstractCegarLoop]: Abstraction has 5073 states and 8334 transitions. [2024-11-09 23:00:02,460 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-09 23:00:02,461 INFO L276 IsEmpty]: Start isEmpty. Operand 5073 states and 8334 transitions. [2024-11-09 23:00:02,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-09 23:00:02,473 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:00:02,473 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:00:02,473 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-09 23:00:02,474 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:00:02,474 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:00:02,474 INFO L85 PathProgramCache]: Analyzing trace with hash -1225005177, now seen corresponding path program 1 times [2024-11-09 23:00:02,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:00:02,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952719426] [2024-11-09 23:00:02,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:00:02,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:00:02,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:02,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:00:02,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:02,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:00:02,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:02,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:00:02,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:02,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:00:02,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:02,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:00:02,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:02,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 23:00:02,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:02,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-09 23:00:02,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:02,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-09 23:00:02,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:02,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 23:00:02,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:02,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-09 23:00:02,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:02,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-09 23:00:02,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:02,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-09 23:00:02,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:02,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-09 23:00:02,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:02,564 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-09 23:00:02,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:00:02,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952719426] [2024-11-09 23:00:02,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1952719426] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:00:02,564 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:00:02,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 23:00:02,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624467833] [2024-11-09 23:00:02,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:00:02,565 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 23:00:02,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:00:02,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 23:00:02,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:00:02,567 INFO L87 Difference]: Start difference. First operand 5073 states and 8334 transitions. Second operand has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-09 23:00:03,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:00:03,639 INFO L93 Difference]: Finished difference Result 12572 states and 20977 transitions. [2024-11-09 23:00:03,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 23:00:03,639 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 137 [2024-11-09 23:00:03,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:00:03,668 INFO L225 Difference]: With dead ends: 12572 [2024-11-09 23:00:03,668 INFO L226 Difference]: Without dead ends: 8351 [2024-11-09 23:00:03,678 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-09 23:00:03,679 INFO L432 NwaCegarLoop]: 235 mSDtfsCounter, 1033 mSDsluCounter, 833 mSDsCounter, 0 mSdLazyCounter, 1255 mSolverCounterSat, 385 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1051 SdHoareTripleChecker+Valid, 1068 SdHoareTripleChecker+Invalid, 1640 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 385 IncrementalHoareTripleChecker+Valid, 1255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-09 23:00:03,679 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1051 Valid, 1068 Invalid, 1640 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [385 Valid, 1255 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-09 23:00:03,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8351 states. [2024-11-09 23:00:03,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8351 to 8212. [2024-11-09 23:00:03,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8212 states, 6951 states have (on average 1.5655301395482664) internal successors, (10882), 6957 states have internal predecessors, (10882), 1238 states have call successors, (1238), 18 states have call predecessors, (1238), 22 states have return successors, (1355), 1236 states have call predecessors, (1355), 1237 states have call successors, (1355) [2024-11-09 23:00:03,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8212 states to 8212 states and 13475 transitions. [2024-11-09 23:00:03,912 INFO L78 Accepts]: Start accepts. Automaton has 8212 states and 13475 transitions. Word has length 137 [2024-11-09 23:00:03,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:00:03,913 INFO L471 AbstractCegarLoop]: Abstraction has 8212 states and 13475 transitions. [2024-11-09 23:00:03,916 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-09 23:00:03,916 INFO L276 IsEmpty]: Start isEmpty. Operand 8212 states and 13475 transitions. [2024-11-09 23:00:03,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-09 23:00:03,932 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:00:03,933 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:00:03,933 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-09 23:00:03,933 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:00:03,933 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:00:03,933 INFO L85 PathProgramCache]: Analyzing trace with hash 1938191966, now seen corresponding path program 1 times [2024-11-09 23:00:03,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:00:03,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582927937] [2024-11-09 23:00:03,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:00:03,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:00:03,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:03,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:00:03,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:03,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:00:03,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:03,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:00:03,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:03,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:00:03,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:03,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:00:03,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:04,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 23:00:04,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:04,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-09 23:00:04,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:04,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-09 23:00:04,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:04,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-09 23:00:04,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:04,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 23:00:04,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:04,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 23:00:04,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:04,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-09 23:00:04,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:04,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-09 23:00:04,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:04,019 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-09 23:00:04,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:00:04,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582927937] [2024-11-09 23:00:04,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1582927937] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:00:04,019 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:00:04,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 23:00:04,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104210702] [2024-11-09 23:00:04,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:00:04,019 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 23:00:04,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:00:04,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 23:00:04,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:00:04,020 INFO L87 Difference]: Start difference. First operand 8212 states and 13475 transitions. Second operand has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-09 23:00:05,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:00:05,104 INFO L93 Difference]: Finished difference Result 20993 states and 34947 transitions. [2024-11-09 23:00:05,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 23:00:05,104 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 138 [2024-11-09 23:00:05,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:00:05,142 INFO L225 Difference]: With dead ends: 20993 [2024-11-09 23:00:05,142 INFO L226 Difference]: Without dead ends: 14072 [2024-11-09 23:00:05,159 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-09 23:00:05,159 INFO L432 NwaCegarLoop]: 224 mSDtfsCounter, 1034 mSDsluCounter, 829 mSDsCounter, 0 mSdLazyCounter, 1223 mSolverCounterSat, 395 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1053 SdHoareTripleChecker+Valid, 1053 SdHoareTripleChecker+Invalid, 1618 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 395 IncrementalHoareTripleChecker+Valid, 1223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-09 23:00:05,159 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1053 Valid, 1053 Invalid, 1618 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [395 Valid, 1223 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-09 23:00:05,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14072 states. [2024-11-09 23:00:05,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14072 to 13933. [2024-11-09 23:00:05,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13933 states, 11850 states have (on average 1.5623628691983122) internal successors, (18514), 11856 states have internal predecessors, (18514), 2060 states have call successors, (2060), 18 states have call predecessors, (2060), 22 states have return successors, (2255), 2058 states have call predecessors, (2255), 2059 states have call successors, (2255) [2024-11-09 23:00:05,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13933 states to 13933 states and 22829 transitions. [2024-11-09 23:00:05,581 INFO L78 Accepts]: Start accepts. Automaton has 13933 states and 22829 transitions. Word has length 138 [2024-11-09 23:00:05,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:00:05,582 INFO L471 AbstractCegarLoop]: Abstraction has 13933 states and 22829 transitions. [2024-11-09 23:00:05,582 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-09 23:00:05,582 INFO L276 IsEmpty]: Start isEmpty. Operand 13933 states and 22829 transitions. [2024-11-09 23:00:05,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-09 23:00:05,602 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:00:05,602 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:00:05,602 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-09 23:00:05,603 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:00:05,603 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:00:05,603 INFO L85 PathProgramCache]: Analyzing trace with hash -664178329, now seen corresponding path program 1 times [2024-11-09 23:00:05,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:00:05,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141733125] [2024-11-09 23:00:05,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:00:05,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:00:05,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:05,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:00:05,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:05,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:00:05,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:05,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:00:05,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:05,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:00:05,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:05,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:00:05,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:05,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 23:00:05,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:05,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 23:00:05,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:05,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-09 23:00:05,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:05,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-09 23:00:05,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:05,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-09 23:00:05,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:05,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-09 23:00:05,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:05,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 23:00:05,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:05,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-09 23:00:05,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:05,755 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-09 23:00:05,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:00:05,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141733125] [2024-11-09 23:00:05,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141733125] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:00:05,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:00:05,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 23:00:05,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546382421] [2024-11-09 23:00:05,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:00:05,756 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 23:00:05,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:00:05,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 23:00:05,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:00:05,757 INFO L87 Difference]: Start difference. First operand 13933 states and 22829 transitions. Second operand has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-09 23:00:07,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:00:07,020 INFO L93 Difference]: Finished difference Result 34006 states and 55967 transitions. [2024-11-09 23:00:07,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 23:00:07,021 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 139 [2024-11-09 23:00:07,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:00:07,081 INFO L225 Difference]: With dead ends: 34006 [2024-11-09 23:00:07,081 INFO L226 Difference]: Without dead ends: 22424 [2024-11-09 23:00:07,104 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-09 23:00:07,105 INFO L432 NwaCegarLoop]: 222 mSDtfsCounter, 1031 mSDsluCounter, 799 mSDsCounter, 0 mSdLazyCounter, 1227 mSolverCounterSat, 388 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1050 SdHoareTripleChecker+Valid, 1021 SdHoareTripleChecker+Invalid, 1615 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 388 IncrementalHoareTripleChecker+Valid, 1227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-09 23:00:07,105 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1050 Valid, 1021 Invalid, 1615 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [388 Valid, 1227 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-09 23:00:07,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22424 states. [2024-11-09 23:00:07,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22424 to 22285. [2024-11-09 23:00:07,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22285 states, 18999 states have (on average 1.5292910153165955) internal successors, (29055), 19005 states have internal predecessors, (29055), 3263 states have call successors, (3263), 18 states have call predecessors, (3263), 22 states have return successors, (3602), 3261 states have call predecessors, (3602), 3262 states have call successors, (3602) [2024-11-09 23:00:07,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22285 states to 22285 states and 35920 transitions. [2024-11-09 23:00:07,641 INFO L78 Accepts]: Start accepts. Automaton has 22285 states and 35920 transitions. Word has length 139 [2024-11-09 23:00:07,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:00:07,641 INFO L471 AbstractCegarLoop]: Abstraction has 22285 states and 35920 transitions. [2024-11-09 23:00:07,641 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-09 23:00:07,642 INFO L276 IsEmpty]: Start isEmpty. Operand 22285 states and 35920 transitions. [2024-11-09 23:00:07,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-09 23:00:07,665 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:00:07,665 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:00:07,665 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-09 23:00:07,666 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:00:07,666 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:00:07,666 INFO L85 PathProgramCache]: Analyzing trace with hash 1730932446, now seen corresponding path program 1 times [2024-11-09 23:00:07,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:00:07,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139534655] [2024-11-09 23:00:07,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:00:07,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:00:07,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:07,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:00:07,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:07,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:00:07,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:07,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:00:07,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:07,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:00:07,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:07,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:00:07,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:07,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 23:00:07,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:07,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-09 23:00:07,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:07,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 23:00:07,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:07,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-09 23:00:07,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:07,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-09 23:00:07,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:07,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-09 23:00:07,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:07,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-09 23:00:07,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:07,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-09 23:00:07,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:07,753 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-09 23:00:07,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:00:07,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139534655] [2024-11-09 23:00:07,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1139534655] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:00:07,754 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:00:07,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 23:00:07,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117767750] [2024-11-09 23:00:07,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:00:07,754 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 23:00:07,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:00:07,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 23:00:07,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:00:07,755 INFO L87 Difference]: Start difference. First operand 22285 states and 35920 transitions. Second operand has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-09 23:00:09,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:00:09,374 INFO L93 Difference]: Finished difference Result 59420 states and 97069 transitions. [2024-11-09 23:00:09,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 23:00:09,375 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 140 [2024-11-09 23:00:09,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:00:09,504 INFO L225 Difference]: With dead ends: 59420 [2024-11-09 23:00:09,504 INFO L226 Difference]: Without dead ends: 40242 [2024-11-09 23:00:09,572 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-09 23:00:09,572 INFO L432 NwaCegarLoop]: 221 mSDtfsCounter, 1026 mSDsluCounter, 821 mSDsCounter, 0 mSdLazyCounter, 1223 mSolverCounterSat, 391 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1044 SdHoareTripleChecker+Valid, 1042 SdHoareTripleChecker+Invalid, 1614 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 391 IncrementalHoareTripleChecker+Valid, 1223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-09 23:00:09,572 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1044 Valid, 1042 Invalid, 1614 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [391 Valid, 1223 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-09 23:00:09,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40242 states. [2024-11-09 23:00:10,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40242 to 40103. [2024-11-09 23:00:10,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40103 states, 34367 states have (on average 1.5234090842959815) internal successors, (52355), 34373 states have internal predecessors, (52355), 5713 states have call successors, (5713), 18 states have call predecessors, (5713), 22 states have return successors, (6326), 5711 states have call predecessors, (6326), 5712 states have call successors, (6326) [2024-11-09 23:00:10,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40103 states to 40103 states and 64394 transitions. [2024-11-09 23:00:10,646 INFO L78 Accepts]: Start accepts. Automaton has 40103 states and 64394 transitions. Word has length 140 [2024-11-09 23:00:10,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:00:10,647 INFO L471 AbstractCegarLoop]: Abstraction has 40103 states and 64394 transitions. [2024-11-09 23:00:10,647 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-09 23:00:10,647 INFO L276 IsEmpty]: Start isEmpty. Operand 40103 states and 64394 transitions. [2024-11-09 23:00:10,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-09 23:00:10,668 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:00:10,669 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:00:10,669 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-09 23:00:10,669 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:00:10,669 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:00:10,669 INFO L85 PathProgramCache]: Analyzing trace with hash 513465191, now seen corresponding path program 1 times [2024-11-09 23:00:10,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:00:10,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671025643] [2024-11-09 23:00:10,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:00:10,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:00:10,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:10,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:00:10,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:10,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:00:10,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:10,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:00:10,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:10,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:00:10,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:10,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:00:10,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:10,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 23:00:10,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:10,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-09 23:00:10,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:10,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-09 23:00:10,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:10,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-09 23:00:10,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:10,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-09 23:00:10,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:10,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-09 23:00:10,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:10,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-09 23:00:10,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:10,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-09 23:00:10,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:10,957 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-09 23:00:10,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:00:10,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671025643] [2024-11-09 23:00:10,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [671025643] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:00:10,957 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:00:10,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 23:00:10,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960547394] [2024-11-09 23:00:10,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:00:10,958 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 23:00:10,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:00:10,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 23:00:10,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:00:10,958 INFO L87 Difference]: Start difference. First operand 40103 states and 64394 transitions. Second operand has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-09 23:00:13,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:00:13,023 INFO L93 Difference]: Finished difference Result 110119 states and 178690 transitions. [2024-11-09 23:00:13,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 23:00:13,023 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 141 [2024-11-09 23:00:13,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:00:13,269 INFO L225 Difference]: With dead ends: 110119 [2024-11-09 23:00:13,269 INFO L226 Difference]: Without dead ends: 74185 [2024-11-09 23:00:13,338 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-09 23:00:13,339 INFO L432 NwaCegarLoop]: 221 mSDtfsCounter, 1023 mSDsluCounter, 821 mSDsCounter, 0 mSdLazyCounter, 1230 mSolverCounterSat, 392 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1042 SdHoareTripleChecker+Valid, 1042 SdHoareTripleChecker+Invalid, 1622 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 392 IncrementalHoareTripleChecker+Valid, 1230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-09 23:00:13,339 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1042 Valid, 1042 Invalid, 1622 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [392 Valid, 1230 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-09 23:00:13,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74185 states. [2024-11-09 23:00:15,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74185 to 74046. [2024-11-09 23:00:15,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74046 states, 63797 states have (on average 1.5170305813752998) internal successors, (96782), 63803 states have internal predecessors, (96782), 10226 states have call successors, (10226), 18 states have call predecessors, (10226), 22 states have return successors, (11371), 10224 states have call predecessors, (11371), 10225 states have call successors, (11371) [2024-11-09 23:00:15,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74046 states to 74046 states and 118379 transitions. [2024-11-09 23:00:15,641 INFO L78 Accepts]: Start accepts. Automaton has 74046 states and 118379 transitions. Word has length 141 [2024-11-09 23:00:15,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:00:15,641 INFO L471 AbstractCegarLoop]: Abstraction has 74046 states and 118379 transitions. [2024-11-09 23:00:15,641 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-09 23:00:15,641 INFO L276 IsEmpty]: Start isEmpty. Operand 74046 states and 118379 transitions. [2024-11-09 23:00:15,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-09 23:00:15,926 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:00:15,926 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:00:15,926 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-09 23:00:15,926 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:00:15,926 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:00:15,926 INFO L85 PathProgramCache]: Analyzing trace with hash -1516685570, now seen corresponding path program 1 times [2024-11-09 23:00:15,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:00:15,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060980970] [2024-11-09 23:00:15,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:00:15,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:00:15,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:15,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:00:15,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:15,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:00:15,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:15,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:00:15,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:15,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:00:15,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:15,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:00:15,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:15,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 23:00:15,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:15,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-09 23:00:15,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:15,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-09 23:00:15,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:15,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-09 23:00:15,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:15,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-09 23:00:15,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:16,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-09 23:00:16,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:16,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-09 23:00:16,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:16,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-09 23:00:16,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:16,003 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-09 23:00:16,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:00:16,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060980970] [2024-11-09 23:00:16,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060980970] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:00:16,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:00:16,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 23:00:16,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079869143] [2024-11-09 23:00:16,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:00:16,004 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 23:00:16,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:00:16,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 23:00:16,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:00:16,005 INFO L87 Difference]: Start difference. First operand 74046 states and 118379 transitions. Second operand has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-09 23:00:18,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:00:18,781 INFO L93 Difference]: Finished difference Result 139588 states and 226417 transitions. [2024-11-09 23:00:18,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 23:00:18,781 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 142 [2024-11-09 23:00:18,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:00:19,358 INFO L225 Difference]: With dead ends: 139588 [2024-11-09 23:00:19,358 INFO L226 Difference]: Without dead ends: 139473 [2024-11-09 23:00:19,398 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-09 23:00:19,399 INFO L432 NwaCegarLoop]: 222 mSDtfsCounter, 1016 mSDsluCounter, 823 mSDsCounter, 0 mSdLazyCounter, 1238 mSolverCounterSat, 391 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1033 SdHoareTripleChecker+Valid, 1045 SdHoareTripleChecker+Invalid, 1629 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 391 IncrementalHoareTripleChecker+Valid, 1238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-09 23:00:19,399 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1033 Valid, 1045 Invalid, 1629 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [391 Valid, 1238 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-09 23:00:19,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139473 states. [2024-11-09 23:00:22,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139473 to 139334. [2024-11-09 23:00:23,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139334 states, 120717 states have (on average 1.510044152853368) internal successors, (182288), 120723 states have internal predecessors, (182288), 18594 states have call successors, (18594), 18 states have call predecessors, (18594), 22 states have return successors, (20785), 18592 states have call predecessors, (20785), 18593 states have call successors, (20785) [2024-11-09 23:00:23,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139334 states to 139334 states and 221667 transitions. [2024-11-09 23:00:23,489 INFO L78 Accepts]: Start accepts. Automaton has 139334 states and 221667 transitions. Word has length 142 [2024-11-09 23:00:23,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:00:23,489 INFO L471 AbstractCegarLoop]: Abstraction has 139334 states and 221667 transitions. [2024-11-09 23:00:23,490 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-09 23:00:23,490 INFO L276 IsEmpty]: Start isEmpty. Operand 139334 states and 221667 transitions. [2024-11-09 23:00:23,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-09 23:00:23,523 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:00:23,523 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:00:23,524 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-09 23:00:23,524 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:00:23,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:00:23,524 INFO L85 PathProgramCache]: Analyzing trace with hash -1653359399, now seen corresponding path program 2 times [2024-11-09 23:00:23,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:00:23,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975827228] [2024-11-09 23:00:23,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:00:23,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:00:23,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:24,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:00:24,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:24,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:00:24,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:24,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:00:24,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:24,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:00:24,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:24,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:00:24,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:24,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 23:00:24,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:24,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-09 23:00:24,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:24,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 23:00:24,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:24,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 23:00:24,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:24,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-09 23:00:24,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:24,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-09 23:00:24,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:24,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-09 23:00:24,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:24,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-09 23:00:24,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:24,124 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-11-09 23:00:24,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:00:24,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975827228] [2024-11-09 23:00:24,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1975827228] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:00:24,125 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:00:24,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-09 23:00:24,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310627240] [2024-11-09 23:00:24,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:00:24,126 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 23:00:24,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:00:24,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 23:00:24,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-09 23:00:24,127 INFO L87 Difference]: Start difference. First operand 139334 states and 221667 transitions. Second operand has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 5 states have internal predecessors, (87), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-09 23:00:27,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:00:27,923 INFO L93 Difference]: Finished difference Result 272093 states and 436390 transitions. [2024-11-09 23:00:27,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 23:00:27,924 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 5 states have internal predecessors, (87), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 143 [2024-11-09 23:00:27,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:00:28,418 INFO L225 Difference]: With dead ends: 272093 [2024-11-09 23:00:28,418 INFO L226 Difference]: Without dead ends: 139473 [2024-11-09 23:00:28,588 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2024-11-09 23:00:28,589 INFO L432 NwaCegarLoop]: 377 mSDtfsCounter, 1045 mSDsluCounter, 1992 mSDsCounter, 0 mSdLazyCounter, 2271 mSolverCounterSat, 329 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1063 SdHoareTripleChecker+Valid, 2369 SdHoareTripleChecker+Invalid, 2600 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 329 IncrementalHoareTripleChecker+Valid, 2271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-09 23:00:28,589 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1063 Valid, 2369 Invalid, 2600 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [329 Valid, 2271 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-09 23:00:28,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139473 states. [2024-11-09 23:00:32,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139473 to 139334. [2024-11-09 23:00:32,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139334 states, 120717 states have (on average 1.5014620973019541) internal successors, (181252), 120723 states have internal predecessors, (181252), 18594 states have call successors, (18594), 18 states have call predecessors, (18594), 22 states have return successors, (20785), 18592 states have call predecessors, (20785), 18593 states have call successors, (20785) [2024-11-09 23:00:33,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139334 states to 139334 states and 220631 transitions. [2024-11-09 23:00:33,051 INFO L78 Accepts]: Start accepts. Automaton has 139334 states and 220631 transitions. Word has length 143 [2024-11-09 23:00:33,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:00:33,051 INFO L471 AbstractCegarLoop]: Abstraction has 139334 states and 220631 transitions. [2024-11-09 23:00:33,051 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 5 states have internal predecessors, (87), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-09 23:00:33,051 INFO L276 IsEmpty]: Start isEmpty. Operand 139334 states and 220631 transitions. [2024-11-09 23:00:33,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-09 23:00:33,079 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:00:33,079 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:00:33,079 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-09 23:00:33,079 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:00:33,079 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:00:33,079 INFO L85 PathProgramCache]: Analyzing trace with hash 184914279, now seen corresponding path program 1 times [2024-11-09 23:00:33,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:00:33,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597149419] [2024-11-09 23:00:33,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:00:33,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:00:33,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:33,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:00:33,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:33,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:00:33,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:33,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:00:33,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:33,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:00:33,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:33,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:00:33,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:33,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 23:00:33,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:33,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-09 23:00:33,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:33,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 23:00:33,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:33,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 23:00:33,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:33,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-09 23:00:33,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:33,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-09 23:00:33,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:33,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-09 23:00:33,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:33,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-09 23:00:33,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:33,418 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 23:00:33,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:00:33,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597149419] [2024-11-09 23:00:33,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [597149419] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 23:00:33,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [976307978] [2024-11-09 23:00:33,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:00:33,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 23:00:33,419 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 23:00:33,421 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 23:00:33,424 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-09 23:00:33,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:33,653 INFO L255 TraceCheckSpWp]: Trace formula consists of 1039 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-09 23:00:33,657 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 23:00:33,901 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-09 23:00:33,902 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 23:00:33,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [976307978] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:00:33,902 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 23:00:33,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [19] total 29 [2024-11-09 23:00:33,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330111790] [2024-11-09 23:00:33,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:00:33,903 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 23:00:33,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:00:33,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 23:00:33,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=744, Unknown=0, NotChecked=0, Total=812 [2024-11-09 23:00:33,904 INFO L87 Difference]: Start difference. First operand 139334 states and 220631 transitions. Second operand has 12 states, 11 states have (on average 9.818181818181818) internal successors, (108), 10 states have internal predecessors, (108), 5 states have call successors, (16), 5 states have call predecessors, (16), 6 states have return successors, (13), 6 states have call predecessors, (13), 5 states have call successors, (13) [2024-11-09 23:00:36,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:00:36,747 INFO L93 Difference]: Finished difference Result 139591 states and 220997 transitions. [2024-11-09 23:00:36,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-09 23:00:36,748 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 9.818181818181818) internal successors, (108), 10 states have internal predecessors, (108), 5 states have call successors, (16), 5 states have call predecessors, (16), 6 states have return successors, (13), 6 states have call predecessors, (13), 5 states have call successors, (13) Word has length 143 [2024-11-09 23:00:36,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:00:37,235 INFO L225 Difference]: With dead ends: 139591 [2024-11-09 23:00:37,235 INFO L226 Difference]: Without dead ends: 139482 [2024-11-09 23:00:37,278 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 184 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=186, Invalid=1536, Unknown=0, NotChecked=0, Total=1722 [2024-11-09 23:00:37,280 INFO L432 NwaCegarLoop]: 519 mSDtfsCounter, 633 mSDsluCounter, 4504 mSDsCounter, 0 mSdLazyCounter, 491 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 638 SdHoareTripleChecker+Valid, 5023 SdHoareTripleChecker+Invalid, 563 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 491 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 23:00:37,280 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [638 Valid, 5023 Invalid, 563 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 491 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 23:00:37,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139482 states. [2024-11-09 23:00:40,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139482 to 139459. [2024-11-09 23:00:40,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139459 states, 120813 states have (on average 1.5013864402009718) internal successors, (181387), 120820 states have internal predecessors, (181387), 18611 states have call successors, (18611), 28 states have call predecessors, (18611), 34 states have return successors, (20812), 18610 states have call predecessors, (20812), 18609 states have call successors, (20812) [2024-11-09 23:00:41,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139459 states to 139459 states and 220810 transitions. [2024-11-09 23:00:41,251 INFO L78 Accepts]: Start accepts. Automaton has 139459 states and 220810 transitions. Word has length 143 [2024-11-09 23:00:41,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:00:41,252 INFO L471 AbstractCegarLoop]: Abstraction has 139459 states and 220810 transitions. [2024-11-09 23:00:41,252 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 9.818181818181818) internal successors, (108), 10 states have internal predecessors, (108), 5 states have call successors, (16), 5 states have call predecessors, (16), 6 states have return successors, (13), 6 states have call predecessors, (13), 5 states have call successors, (13) [2024-11-09 23:00:41,252 INFO L276 IsEmpty]: Start isEmpty. Operand 139459 states and 220810 transitions. [2024-11-09 23:00:41,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-09 23:00:41,272 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:00:41,273 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:00:41,286 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-09 23:00:41,473 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 23:00:41,473 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:00:41,477 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:00:41,477 INFO L85 PathProgramCache]: Analyzing trace with hash -1274371985, now seen corresponding path program 1 times [2024-11-09 23:00:41,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:00:41,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336968672] [2024-11-09 23:00:41,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:00:41,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:00:41,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:41,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:00:41,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:41,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:00:41,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:41,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:00:41,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:41,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:00:41,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:41,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:00:41,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:41,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 23:00:41,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:41,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-09 23:00:41,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:41,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 23:00:41,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:41,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-09 23:00:41,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:41,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 23:00:41,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:41,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 23:00:41,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:41,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-09 23:00:41,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:41,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-09 23:00:41,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:41,586 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-11-09 23:00:41,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:00:41,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336968672] [2024-11-09 23:00:41,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1336968672] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 23:00:41,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1641152666] [2024-11-09 23:00:41,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:00:41,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 23:00:41,587 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 23:00:41,589 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 23:00:41,590 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-09 23:00:41,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:00:41,804 INFO L255 TraceCheckSpWp]: Trace formula consists of 1040 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 23:00:41,806 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 23:00:41,836 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-09 23:00:41,836 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 23:00:41,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1641152666] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:00:41,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 23:00:41,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2024-11-09 23:00:41,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683076503] [2024-11-09 23:00:41,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:00:41,837 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 23:00:41,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:00:41,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 23:00:41,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-09 23:00:41,837 INFO L87 Difference]: Start difference. First operand 139459 states and 220810 transitions. Second operand has 5 states, 4 states have (on average 26.25) internal successors, (105), 5 states have internal predecessors, (105), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13)