./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/email_spec3_product35.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d 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_spec3_product35.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 a235b81518d1466c5f4be9b22c3eaea6ff575e28236a3798a0ed19e321bfc6e0 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 07:42:39,728 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 07:42:39,796 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-16 07:42:39,815 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 07:42:39,815 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 07:42:39,852 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 07:42:39,858 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 07:42:39,858 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 07:42:39,859 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 07:42:39,860 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 07:42:39,860 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 07:42:39,860 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 07:42:39,861 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 07:42:39,862 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 07:42:39,863 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 07:42:39,866 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 07:42:39,866 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 07:42:39,867 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 07:42:39,867 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 07:42:39,867 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 07:42:39,867 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 07:42:39,870 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 07:42:39,870 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 07:42:39,870 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 07:42:39,870 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 07:42:39,871 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 07:42:39,871 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 07:42:39,871 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 07:42:39,871 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 07:42:39,871 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 07:42:39,871 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 07:42:39,871 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 07:42:39,872 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 07:42:39,872 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 07:42:39,872 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 07:42:39,872 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 07:42:39,872 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 07:42:39,872 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 07:42:39,872 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 07:42:39,873 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 07:42:39,873 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 07:42:39,879 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 07:42:39,880 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a235b81518d1466c5f4be9b22c3eaea6ff575e28236a3798a0ed19e321bfc6e0 [2024-11-16 07:42:40,256 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 07:42:40,274 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 07:42:40,278 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 07:42:40,279 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 07:42:40,279 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 07:42:40,280 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec3_product35.cil.c [2024-11-16 07:42:41,635 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 07:42:41,656 ERROR L? ?]: Error during toolchain job processing: java.lang.NullPointerException at org.eclipse.cdt.internal.core.model.PathEntry.kindFromString(PathEntry.java:80) at org.eclipse.cdt.internal.core.model.DefaultPathEntryStore.decodePathEntry(DefaultPathEntryStore.java:127) at org.eclipse.cdt.internal.core.model.DefaultPathEntryStore.getRawPathEntries(DefaultPathEntryStore.java:97) at org.eclipse.cdt.internal.core.model.PathEntryStoreProxy.getRawPathEntries(PathEntryStoreProxy.java:102) at org.eclipse.cdt.internal.core.model.PathEntryManager.getRawPathEntries(PathEntryManager.java:666) at org.eclipse.cdt.core.model.CoreModel.getRawPathEntries(CoreModel.java:937) at org.eclipse.cdt.core.model.CoreModel.oldIsScannerInformationEmpty(CoreModel.java:1307) at org.eclipse.cdt.core.model.CoreModel.isScannerInformationEmpty(CoreModel.java:1252) at org.eclipse.cdt.internal.core.pdom.indexer.ProjectIndexerInputAdapter.isFileBuildConfigured(ProjectIndexerInputAdapter.java:267) at org.eclipse.cdt.internal.core.pdom.AbstractIndexerTask.isRequiredInIndex(AbstractIndexerTask.java:748) at org.eclipse.cdt.internal.core.pdom.AbstractIndexerTask.extractFiles(AbstractIndexerTask.java:667) at org.eclipse.cdt.internal.core.pdom.AbstractIndexerTask.runTask(AbstractIndexerTask.java:558) at org.eclipse.cdt.internal.core.pdom.indexer.PDOMIndexerTask.run(PDOMIndexerTask.java:164) at org.eclipse.cdt.internal.core.pdom.PDOMIndexerJob.run(PDOMIndexerJob.java:160) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-16 07:42:41,874 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 07:42:41,875 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec3_product35.cil.c [2024-11-16 07:42:41,891 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/824c7ee37/22554ef1c4c3454597218e1b5b1a46f9/FLAG8f94590fb [2024-11-16 07:42:41,901 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/824c7ee37/22554ef1c4c3454597218e1b5b1a46f9 [2024-11-16 07:42:41,903 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 07:42:41,904 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 07:42:41,905 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 07:42:41,905 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 07:42:41,909 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 07:42:41,910 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:42:41" (1/1) ... [2024-11-16 07:42:41,911 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26c1b299 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:42:41, skipping insertion in model container [2024-11-16 07:42:41,911 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:42:41" (1/1) ... [2024-11-16 07:42:41,955 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 07:42:42,343 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_spec3_product35.cil.c[61781,61794] [2024-11-16 07:42:42,353 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 07:42:42,370 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 07:42:42,378 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [48] [2024-11-16 07:42:42,379 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [392] [2024-11-16 07:42:42,380 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"SignVerify_spec.i","") [854] [2024-11-16 07:42:42,380 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [913] [2024-11-16 07:42:42,380 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [1973] [2024-11-16 07:42:42,381 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2372] [2024-11-16 07:42:42,381 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [2507] [2024-11-16 07:42:42,381 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [2873] [2024-11-16 07:42:42,381 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2908] [2024-11-16 07:42:42,381 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [2925] [2024-11-16 07:42:42,381 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2934] [2024-11-16 07:42:42,566 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_spec3_product35.cil.c[61781,61794] [2024-11-16 07:42:42,574 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 07:42:42,633 INFO L204 MainTranslator]: Completed translation [2024-11-16 07:42:42,638 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:42:42 WrapperNode [2024-11-16 07:42:42,638 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 07:42:42,639 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 07:42:42,639 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 07:42:42,639 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 07:42:42,648 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:42:42" (1/1) ... [2024-11-16 07:42:42,680 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:42:42" (1/1) ... [2024-11-16 07:42:42,735 INFO L138 Inliner]: procedures = 138, calls = 234, calls flagged for inlining = 66, calls inlined = 63, statements flattened = 1184 [2024-11-16 07:42:42,735 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 07:42:42,736 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 07:42:42,736 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 07:42:42,736 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 07:42:42,745 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:42:42" (1/1) ... [2024-11-16 07:42:42,745 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:42:42" (1/1) ... [2024-11-16 07:42:42,752 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:42:42" (1/1) ... [2024-11-16 07:42:42,793 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]. [2024-11-16 07:42:42,796 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:42:42" (1/1) ... [2024-11-16 07:42:42,796 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:42:42" (1/1) ... [2024-11-16 07:42:42,813 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:42:42" (1/1) ... [2024-11-16 07:42:42,815 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:42:42" (1/1) ... [2024-11-16 07:42:42,818 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:42:42" (1/1) ... [2024-11-16 07:42:42,820 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:42:42" (1/1) ... [2024-11-16 07:42:42,826 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 07:42:42,826 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 07:42:42,827 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 07:42:42,827 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 07:42:42,827 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:42:42" (1/1) ... [2024-11-16 07:42:42,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 07:42:42,850 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 07:42:42,871 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) [2024-11-16 07:42:42,874 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 [2024-11-16 07:42:42,907 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2024-11-16 07:42:42,908 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2024-11-16 07:42:42,908 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-11-16 07:42:42,908 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-11-16 07:42:42,908 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2024-11-16 07:42:42,908 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2024-11-16 07:42:42,908 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-11-16 07:42:42,909 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-11-16 07:42:42,909 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2024-11-16 07:42:42,909 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2024-11-16 07:42:42,909 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-11-16 07:42:42,909 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-11-16 07:42:42,910 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2024-11-16 07:42:42,910 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2024-11-16 07:42:42,911 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-11-16 07:42:42,912 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-11-16 07:42:42,912 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-11-16 07:42:42,912 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-11-16 07:42:42,912 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-11-16 07:42:42,912 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-11-16 07:42:42,912 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2024-11-16 07:42:42,913 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2024-11-16 07:42:42,913 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2024-11-16 07:42:42,913 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2024-11-16 07:42:42,913 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-11-16 07:42:42,913 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-11-16 07:42:42,913 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-11-16 07:42:42,913 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-11-16 07:42:42,913 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2024-11-16 07:42:42,913 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2024-11-16 07:42:42,914 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-11-16 07:42:42,914 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-11-16 07:42:42,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 07:42:42,914 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2024-11-16 07:42:42,914 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2024-11-16 07:42:42,914 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2024-11-16 07:42:42,914 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2024-11-16 07:42:42,914 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-11-16 07:42:42,914 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-11-16 07:42:42,914 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-11-16 07:42:42,914 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-11-16 07:42:42,915 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2024-11-16 07:42:42,915 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2024-11-16 07:42:42,915 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-11-16 07:42:42,915 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-11-16 07:42:42,915 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-11-16 07:42:42,915 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-11-16 07:42:42,915 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2024-11-16 07:42:42,915 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2024-11-16 07:42:42,916 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-11-16 07:42:42,916 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-11-16 07:42:42,916 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2024-11-16 07:42:42,916 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2024-11-16 07:42:42,916 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-11-16 07:42:42,916 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-11-16 07:42:42,916 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-11-16 07:42:42,916 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-11-16 07:42:42,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 07:42:42,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-16 07:42:42,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-16 07:42:42,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-16 07:42:42,917 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-11-16 07:42:42,917 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-11-16 07:42:42,917 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-11-16 07:42:42,917 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-11-16 07:42:42,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 07:42:42,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 07:42:43,113 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 07:42:43,117 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 07:42:43,213 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2279: #res := ~retValue_acc~31; [2024-11-16 07:42:43,225 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L732: #res := ~retValue_acc~5; [2024-11-16 07:42:43,264 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1562-1: getClientKeyringSize_#res#1 := getClientKeyringSize_~retValue_acc~16#1; [2024-11-16 07:42:43,264 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1607: #res#1 := ~retValue_acc~17#1; [2024-11-16 07:42:43,290 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1831: #res := ~retValue_acc~20; [2024-11-16 07:42:43,297 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1515: #res := ~retValue_acc~15; [2024-11-16 07:42:43,304 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2504-1: createEmail_#res#1 := createEmail_~retValue_acc~37#1; [2024-11-16 07:42:43,311 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1059: #res := ~retValue_acc~9; [2024-11-16 07:42:43,324 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2205: #res := ~retValue_acc~29; [2024-11-16 07:42:43,359 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2242: #res := ~retValue_acc~30; [2024-11-16 07:42:43,364 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2316: #res := ~retValue_acc~32; [2024-11-16 07:42:43,380 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2090: #res := ~retValue_acc~26; [2024-11-16 07:42:43,421 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1385: #res := ~retValue_acc~13; [2024-11-16 07:42:43,570 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1903-1: getClientForwardReceiver_#res#1 := getClientForwardReceiver_~retValue_acc~21#1; [2024-11-16 07:42:43,570 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1468-1: getClientAutoResponse_#res#1 := getClientAutoResponse_~retValue_acc~14#1; [2024-11-16 07:42:43,570 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2353-1: isVerified_#res#1 := isVerified_~retValue_acc~33#1; [2024-11-16 07:42:43,570 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2016-1: getEmailId_#res#1 := getEmailId_~retValue_acc~24#1; [2024-11-16 07:42:43,570 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1950-1: getClientId_#res#1 := getClientId_~retValue_acc~22#1; [2024-11-16 07:42:43,855 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L698-1: get_queued_client_#res#1 := get_queued_client_~retValue_acc~3#1; [2024-11-16 07:42:43,856 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1777-1: getClientKeyringPublicKey_#res#1 := getClientKeyringPublicKey_~retValue_acc~19#1; [2024-11-16 07:42:43,856 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L689-1: is_queue_empty_#res#1 := is_queue_empty_~retValue_acc~2#1; [2024-11-16 07:42:43,856 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L707-1: get_queued_email_#res#1 := get_queued_email_~retValue_acc~4#1; [2024-11-16 07:42:43,856 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2905-1: valid_product_#res#1 := valid_product_~retValue_acc~42#1; [2024-11-16 07:42:43,856 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1670-1: getClientKeyringUser_#res#1 := getClientKeyringUser_~retValue_acc~18#1; [2024-11-16 07:42:43,862 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2053: #res := ~retValue_acc~25; [2024-11-16 07:42:43,872 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2480: #res#1 := ~retValue_acc~35#1; [2024-11-16 07:42:43,872 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2460-1: isReadable__wrappee__Keys_#res#1 := isReadable__wrappee__Keys_~retValue_acc~34#1; [2024-11-16 07:42:44,028 INFO L? ?]: Removed 614 outVars from TransFormulas that were not future-live. [2024-11-16 07:42:44,028 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 07:42:44,057 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 07:42:44,057 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 07:42:44,057 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 07:42:44 BoogieIcfgContainer [2024-11-16 07:42:44,057 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 07:42:44,059 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 07:42:44,059 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 07:42:44,061 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 07:42:44,061 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 07:42:41" (1/3) ... [2024-11-16 07:42:44,062 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3398683d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:42:44, skipping insertion in model container [2024-11-16 07:42:44,062 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:42:42" (2/3) ... [2024-11-16 07:42:44,062 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3398683d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:42:44, skipping insertion in model container [2024-11-16 07:42:44,062 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 07:42:44" (3/3) ... [2024-11-16 07:42:44,063 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec3_product35.cil.c [2024-11-16 07:42:44,076 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 07:42:44,076 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 07:42:44,143 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 07:42:44,149 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;@65b970a2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 07:42:44,149 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 07:42:44,154 INFO L276 IsEmpty]: Start isEmpty. Operand has 490 states, 378 states have (on average 1.5132275132275133) internal successors, (572), 385 states have internal predecessors, (572), 80 states have call successors, (80), 30 states have call predecessors, (80), 30 states have return successors, (80), 78 states have call predecessors, (80), 80 states have call successors, (80) [2024-11-16 07:42:44,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-16 07:42:44,179 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:42:44,180 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:42:44,181 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:42:44,185 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:42:44,185 INFO L85 PathProgramCache]: Analyzing trace with hash 643679848, now seen corresponding path program 1 times [2024-11-16 07:42:44,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:42:44,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791290361] [2024-11-16 07:42:44,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:42:44,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:42:44,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:44,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 07:42:44,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:44,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:42:44,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:44,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 07:42:44,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:44,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 07:42:44,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:44,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 07:42:44,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:44,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 07:42:44,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:44,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-16 07:42:44,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:44,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-16 07:42:44,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:44,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 07:42:44,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:44,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-16 07:42:44,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:44,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 07:42:44,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:44,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 07:42:44,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:44,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 07:42:44,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:44,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-16 07:42:44,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:44,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-16 07:42:44,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:44,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-16 07:42:44,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:44,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-16 07:42:44,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:44,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 07:42:44,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:44,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-16 07:42:44,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:44,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-16 07:42:44,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:44,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-16 07:42:44,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:44,902 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-11-16 07:42:44,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:42:44,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791290361] [2024-11-16 07:42:44,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [791290361] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 07:42:44,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [484101972] [2024-11-16 07:42:44,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:42:44,905 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 07:42:44,905 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 07:42:44,910 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) [2024-11-16 07:42:44,911 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-16 07:42:45,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:45,227 INFO L255 TraceCheckSpWp]: Trace formula consists of 1322 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-16 07:42:45,235 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 07:42:45,263 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-11-16 07:42:45,263 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 07:42:45,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [484101972] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:42:45,264 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-16 07:42:45,264 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2024-11-16 07:42:45,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447015936] [2024-11-16 07:42:45,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:42:45,274 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 07:42:45,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:42:45,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 07:42:45,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-16 07:42:45,303 INFO L87 Difference]: Start difference. First operand has 490 states, 378 states have (on average 1.5132275132275133) internal successors, (572), 385 states have internal predecessors, (572), 80 states have call successors, (80), 30 states have call predecessors, (80), 30 states have return successors, (80), 78 states have call predecessors, (80), 80 states have call successors, (80) Second operand has 2 states, 2 states have (on average 41.0) internal successors, (82), 2 states have internal predecessors, (82), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-16 07:42:45,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:42:45,378 INFO L93 Difference]: Finished difference Result 769 states and 1134 transitions. [2024-11-16 07:42:45,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 07:42:45,386 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 41.0) internal successors, (82), 2 states have internal predecessors, (82), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 159 [2024-11-16 07:42:45,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:42:45,418 INFO L225 Difference]: With dead ends: 769 [2024-11-16 07:42:45,418 INFO L226 Difference]: Without dead ends: 481 [2024-11-16 07:42:45,434 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-16 07:42:45,438 INFO L432 NwaCegarLoop]: 725 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, 725 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 [2024-11-16 07:42:45,442 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 725 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 07:42:45,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2024-11-16 07:42:45,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 481. [2024-11-16 07:42:45,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 481 states, 371 states have (on average 1.509433962264151) internal successors, (560), 376 states have internal predecessors, (560), 80 states have call successors, (80), 30 states have call predecessors, (80), 29 states have return successors, (77), 76 states have call predecessors, (77), 77 states have call successors, (77) [2024-11-16 07:42:45,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 717 transitions. [2024-11-16 07:42:45,523 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 717 transitions. Word has length 159 [2024-11-16 07:42:45,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:42:45,525 INFO L471 AbstractCegarLoop]: Abstraction has 481 states and 717 transitions. [2024-11-16 07:42:45,526 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 41.0) internal successors, (82), 2 states have internal predecessors, (82), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-16 07:42:45,526 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 717 transitions. [2024-11-16 07:42:45,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-16 07:42:45,532 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:42:45,533 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:42:45,549 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-16 07:42:45,733 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 [2024-11-16 07:42:45,734 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:42:45,734 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:42:45,734 INFO L85 PathProgramCache]: Analyzing trace with hash 859062669, now seen corresponding path program 1 times [2024-11-16 07:42:45,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:42:45,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111742587] [2024-11-16 07:42:45,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:42:45,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:42:45,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:45,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 07:42:45,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:45,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:42:45,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:45,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 07:42:45,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:46,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 07:42:46,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:46,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 07:42:46,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:46,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 07:42:46,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:46,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 07:42:46,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:46,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 07:42:46,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:46,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-16 07:42:46,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:46,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 07:42:46,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:46,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-16 07:42:46,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:46,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-16 07:42:46,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:46,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 07:42:46,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:46,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 07:42:46,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:46,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 07:42:46,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:46,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 07:42:46,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:46,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 07:42:46,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:46,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-16 07:42:46,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:46,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-16 07:42:46,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:46,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-16 07:42:46,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:46,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-16 07:42:46,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:46,077 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-11-16 07:42:46,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:42:46,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111742587] [2024-11-16 07:42:46,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2111742587] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 07:42:46,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [986988563] [2024-11-16 07:42:46,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:42:46,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 07:42:46,079 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 07:42:46,083 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) [2024-11-16 07:42:46,085 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-16 07:42:46,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:46,363 INFO L255 TraceCheckSpWp]: Trace formula consists of 1325 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-16 07:42:46,367 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 07:42:46,388 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-11-16 07:42:46,388 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 07:42:46,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [986988563] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:42:46,389 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-16 07:42:46,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-11-16 07:42:46,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489538450] [2024-11-16 07:42:46,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:42:46,390 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 07:42:46,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:42:46,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 07:42:46,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-16 07:42:46,391 INFO L87 Difference]: Start difference. First operand 481 states and 717 transitions. Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-16 07:42:46,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:42:46,424 INFO L93 Difference]: Finished difference Result 758 states and 1108 transitions. [2024-11-16 07:42:46,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 07:42:46,426 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 162 [2024-11-16 07:42:46,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:42:46,445 INFO L225 Difference]: With dead ends: 758 [2024-11-16 07:42:46,448 INFO L226 Difference]: Without dead ends: 485 [2024-11-16 07:42:46,449 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-16 07:42:46,450 INFO L432 NwaCegarLoop]: 716 mSDtfsCounter, 0 mSDsluCounter, 714 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1430 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 [2024-11-16 07:42:46,450 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1430 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 07:42:46,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2024-11-16 07:42:46,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 485. [2024-11-16 07:42:46,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 485 states, 375 states have (on average 1.504) internal successors, (564), 380 states have internal predecessors, (564), 80 states have call successors, (80), 30 states have call predecessors, (80), 29 states have return successors, (77), 76 states have call predecessors, (77), 77 states have call successors, (77) [2024-11-16 07:42:46,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 485 states and 721 transitions. [2024-11-16 07:42:46,469 INFO L78 Accepts]: Start accepts. Automaton has 485 states and 721 transitions. Word has length 162 [2024-11-16 07:42:46,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:42:46,469 INFO L471 AbstractCegarLoop]: Abstraction has 485 states and 721 transitions. [2024-11-16 07:42:46,470 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-16 07:42:46,470 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 721 transitions. [2024-11-16 07:42:46,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-16 07:42:46,471 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:42:46,472 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:42:46,485 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-16 07:42:46,672 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 [2024-11-16 07:42:46,673 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:42:46,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:42:46,674 INFO L85 PathProgramCache]: Analyzing trace with hash 1207415868, now seen corresponding path program 1 times [2024-11-16 07:42:46,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:42:46,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213349848] [2024-11-16 07:42:46,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:42:46,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:42:46,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:46,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 07:42:46,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:46,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:42:46,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:46,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 07:42:46,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:46,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 07:42:46,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:46,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 07:42:46,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:46,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 07:42:46,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:46,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 07:42:46,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:46,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 07:42:46,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:46,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-16 07:42:46,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:46,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 07:42:46,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:46,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-16 07:42:46,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:46,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-16 07:42:46,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:46,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-16 07:42:46,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:46,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-16 07:42:46,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:46,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 07:42:46,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:46,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 07:42:46,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:46,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-16 07:42:46,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:46,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 07:42:46,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:46,908 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-16 07:42:46,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:42:46,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213349848] [2024-11-16 07:42:46,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1213349848] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 07:42:46,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [117716839] [2024-11-16 07:42:46,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:42:46,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 07:42:46,910 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 07:42:46,911 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) [2024-11-16 07:42:46,912 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-16 07:42:47,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:47,177 INFO L255 TraceCheckSpWp]: Trace formula consists of 1275 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-16 07:42:47,181 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 07:42:47,205 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-11-16 07:42:47,205 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 07:42:47,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [117716839] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:42:47,206 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-16 07:42:47,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-11-16 07:42:47,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445609495] [2024-11-16 07:42:47,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:42:47,210 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 07:42:47,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:42:47,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 07:42:47,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-16 07:42:47,211 INFO L87 Difference]: Start difference. First operand 485 states and 721 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-16 07:42:47,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:42:47,249 INFO L93 Difference]: Finished difference Result 1032 states and 1551 transitions. [2024-11-16 07:42:47,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 07:42:47,250 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 154 [2024-11-16 07:42:47,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:42:47,255 INFO L225 Difference]: With dead ends: 1032 [2024-11-16 07:42:47,255 INFO L226 Difference]: Without dead ends: 576 [2024-11-16 07:42:47,257 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-16 07:42:47,258 INFO L432 NwaCegarLoop]: 725 mSDtfsCounter, 152 mSDsluCounter, 670 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 1395 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 [2024-11-16 07:42:47,258 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 1395 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 07:42:47,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 576 states. [2024-11-16 07:42:47,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 576 to 568. [2024-11-16 07:42:47,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 568 states, 444 states have (on average 1.5135135135135136) internal successors, (672), 449 states have internal predecessors, (672), 94 states have call successors, (94), 30 states have call predecessors, (94), 29 states have return successors, (91), 90 states have call predecessors, (91), 91 states have call successors, (91) [2024-11-16 07:42:47,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 568 states and 857 transitions. [2024-11-16 07:42:47,279 INFO L78 Accepts]: Start accepts. Automaton has 568 states and 857 transitions. Word has length 154 [2024-11-16 07:42:47,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:42:47,279 INFO L471 AbstractCegarLoop]: Abstraction has 568 states and 857 transitions. [2024-11-16 07:42:47,280 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-16 07:42:47,280 INFO L276 IsEmpty]: Start isEmpty. Operand 568 states and 857 transitions. [2024-11-16 07:42:47,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-16 07:42:47,282 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:42:47,282 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:42:47,303 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-16 07:42:47,482 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 [2024-11-16 07:42:47,483 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:42:47,483 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:42:47,484 INFO L85 PathProgramCache]: Analyzing trace with hash -1527202817, now seen corresponding path program 1 times [2024-11-16 07:42:47,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:42:47,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717078501] [2024-11-16 07:42:47,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:42:47,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:42:47,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:47,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 07:42:47,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:47,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:42:47,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:47,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 07:42:47,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:47,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 07:42:47,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:47,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 07:42:47,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:47,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 07:42:47,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:47,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-16 07:42:47,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:47,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-16 07:42:47,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:47,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-16 07:42:47,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:47,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 07:42:47,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:47,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 07:42:47,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:47,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 07:42:47,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:47,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 07:42:47,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:47,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 07:42:47,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:47,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 07:42:47,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:47,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-16 07:42:47,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:47,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 07:42:47,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:47,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 07:42:47,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:47,685 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-16 07:42:47,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:42:47,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717078501] [2024-11-16 07:42:47,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [717078501] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 07:42:47,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [669969943] [2024-11-16 07:42:47,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:42:47,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 07:42:47,687 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 07:42:47,690 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) [2024-11-16 07:42:47,698 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-16 07:42:47,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:47,962 INFO L255 TraceCheckSpWp]: Trace formula consists of 1280 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-16 07:42:47,966 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 07:42:48,015 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-16 07:42:48,015 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 07:42:48,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [669969943] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:42:48,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-16 07:42:48,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2024-11-16 07:42:48,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785942439] [2024-11-16 07:42:48,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:42:48,016 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 07:42:48,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:42:48,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 07:42:48,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-16 07:42:48,017 INFO L87 Difference]: Start difference. First operand 568 states and 857 transitions. Second operand has 5 states, 4 states have (on average 24.0) internal successors, (96), 5 states have internal predecessors, (96), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-16 07:42:48,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:42:48,067 INFO L93 Difference]: Finished difference Result 1127 states and 1704 transitions. [2024-11-16 07:42:48,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 07:42:48,068 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 24.0) internal successors, (96), 5 states have internal predecessors, (96), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) Word has length 155 [2024-11-16 07:42:48,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:42:48,071 INFO L225 Difference]: With dead ends: 1127 [2024-11-16 07:42:48,071 INFO L226 Difference]: Without dead ends: 570 [2024-11-16 07:42:48,074 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-16 07:42:48,076 INFO L432 NwaCegarLoop]: 709 mSDtfsCounter, 2 mSDsluCounter, 2116 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2825 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 [2024-11-16 07:42:48,076 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2825 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 07:42:48,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 570 states. [2024-11-16 07:42:48,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 570 to 570. [2024-11-16 07:42:48,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 570 states, 445 states have (on average 1.5123595505617977) internal successors, (673), 451 states have internal predecessors, (673), 94 states have call successors, (94), 30 states have call predecessors, (94), 30 states have return successors, (93), 90 states have call predecessors, (93), 91 states have call successors, (93) [2024-11-16 07:42:48,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 570 states and 860 transitions. [2024-11-16 07:42:48,105 INFO L78 Accepts]: Start accepts. Automaton has 570 states and 860 transitions. Word has length 155 [2024-11-16 07:42:48,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:42:48,105 INFO L471 AbstractCegarLoop]: Abstraction has 570 states and 860 transitions. [2024-11-16 07:42:48,105 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 24.0) internal successors, (96), 5 states have internal predecessors, (96), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-16 07:42:48,106 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 860 transitions. [2024-11-16 07:42:48,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-16 07:42:48,109 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:42:48,110 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:42:48,124 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-16 07:42:48,310 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 [2024-11-16 07:42:48,310 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:42:48,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:42:48,311 INFO L85 PathProgramCache]: Analyzing trace with hash 1566438143, now seen corresponding path program 1 times [2024-11-16 07:42:48,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:42:48,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083405585] [2024-11-16 07:42:48,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:42:48,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:42:48,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:48,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 07:42:48,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:48,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:42:48,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:48,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 07:42:48,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:48,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-16 07:42:48,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:48,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-16 07:42:48,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:48,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-16 07:42:48,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:48,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-16 07:42:48,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:48,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-16 07:42:48,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:48,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 07:42:48,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:48,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-16 07:42:48,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:48,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 07:42:48,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:48,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 07:42:48,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:48,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 07:42:48,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:48,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-16 07:42:48,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:48,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-16 07:42:48,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:48,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-16 07:42:48,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:48,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-16 07:42:48,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:48,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 07:42:48,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:48,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 07:42:48,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:48,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-16 07:42:48,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:48,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-16 07:42:48,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:48,564 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-16 07:42:48,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:42:48,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083405585] [2024-11-16 07:42:48,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083405585] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 07:42:48,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1692808668] [2024-11-16 07:42:48,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:42:48,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 07:42:48,565 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 07:42:48,568 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) [2024-11-16 07:42:48,569 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-16 07:42:48,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:48,858 INFO L255 TraceCheckSpWp]: Trace formula consists of 1359 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-16 07:42:48,862 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 07:42:48,909 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-16 07:42:48,909 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 07:42:48,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1692808668] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:42:48,909 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-16 07:42:48,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2024-11-16 07:42:48,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122025537] [2024-11-16 07:42:48,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:42:48,910 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 07:42:48,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:42:48,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 07:42:48,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-11-16 07:42:48,911 INFO L87 Difference]: Start difference. First operand 570 states and 860 transitions. Second operand has 5 states, 5 states have (on average 21.0) internal successors, (105), 5 states have internal predecessors, (105), 3 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2024-11-16 07:42:48,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:42:48,966 INFO L93 Difference]: Finished difference Result 1129 states and 1709 transitions. [2024-11-16 07:42:48,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 07:42:48,967 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.0) internal successors, (105), 5 states have internal predecessors, (105), 3 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 175 [2024-11-16 07:42:48,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:42:48,971 INFO L225 Difference]: With dead ends: 1129 [2024-11-16 07:42:48,972 INFO L226 Difference]: Without dead ends: 572 [2024-11-16 07:42:48,973 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-11-16 07:42:48,974 INFO L432 NwaCegarLoop]: 707 mSDtfsCounter, 2 mSDsluCounter, 2104 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2811 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 [2024-11-16 07:42:48,974 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2811 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 07:42:48,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2024-11-16 07:42:48,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 572. [2024-11-16 07:42:48,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 572 states, 446 states have (on average 1.5112107623318385) internal successors, (674), 453 states have internal predecessors, (674), 94 states have call successors, (94), 30 states have call predecessors, (94), 31 states have return successors, (98), 90 states have call predecessors, (98), 91 states have call successors, (98) [2024-11-16 07:42:48,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 572 states and 866 transitions. [2024-11-16 07:42:48,996 INFO L78 Accepts]: Start accepts. Automaton has 572 states and 866 transitions. Word has length 175 [2024-11-16 07:42:48,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:42:48,996 INFO L471 AbstractCegarLoop]: Abstraction has 572 states and 866 transitions. [2024-11-16 07:42:48,996 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.0) internal successors, (105), 5 states have internal predecessors, (105), 3 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2024-11-16 07:42:48,997 INFO L276 IsEmpty]: Start isEmpty. Operand 572 states and 866 transitions. [2024-11-16 07:42:48,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-16 07:42:49,000 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:42:49,000 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:42:49,017 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-16 07:42:49,200 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 [2024-11-16 07:42:49,201 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:42:49,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:42:49,201 INFO L85 PathProgramCache]: Analyzing trace with hash -182245966, now seen corresponding path program 1 times [2024-11-16 07:42:49,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:42:49,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898598765] [2024-11-16 07:42:49,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:42:49,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:42:49,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:49,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 07:42:49,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:49,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:42:49,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:49,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 07:42:49,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:49,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-16 07:42:49,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:49,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 07:42:49,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:49,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 07:42:49,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:49,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-16 07:42:49,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:49,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-16 07:42:49,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:49,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 07:42:49,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:49,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-16 07:42:49,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:49,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 07:42:49,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:49,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-16 07:42:49,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:49,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-16 07:42:49,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:49,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-16 07:42:49,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:49,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-16 07:42:49,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:49,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-16 07:42:49,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:49,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-16 07:42:49,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:49,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-16 07:42:49,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:49,378 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-16 07:42:49,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:42:49,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898598765] [2024-11-16 07:42:49,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1898598765] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:42:49,379 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:42:49,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-16 07:42:49,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427969341] [2024-11-16 07:42:49,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:42:49,379 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 07:42:49,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:42:49,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 07:42:49,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-16 07:42:49,380 INFO L87 Difference]: Start difference. First operand 572 states and 866 transitions. Second operand has 9 states, 8 states have (on average 11.75) internal successors, (94), 5 states have internal predecessors, (94), 3 states have call successors, (22), 6 states have call predecessors, (22), 2 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-16 07:42:51,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:42:51,954 INFO L93 Difference]: Finished difference Result 1362 states and 2095 transitions. [2024-11-16 07:42:51,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-16 07:42:51,955 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 11.75) internal successors, (94), 5 states have internal predecessors, (94), 3 states have call successors, (22), 6 states have call predecessors, (22), 2 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) Word has length 157 [2024-11-16 07:42:51,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:42:51,959 INFO L225 Difference]: With dead ends: 1362 [2024-11-16 07:42:51,959 INFO L226 Difference]: Without dead ends: 813 [2024-11-16 07:42:51,961 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-16 07:42:51,961 INFO L432 NwaCegarLoop]: 231 mSDtfsCounter, 1618 mSDsluCounter, 1260 mSDsCounter, 0 mSdLazyCounter, 3732 mSolverCounterSat, 594 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1619 SdHoareTripleChecker+Valid, 1491 SdHoareTripleChecker+Invalid, 4326 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 594 IncrementalHoareTripleChecker+Valid, 3732 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-16 07:42:51,961 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1619 Valid, 1491 Invalid, 4326 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [594 Valid, 3732 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-16 07:42:51,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 813 states. [2024-11-16 07:42:51,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 813 to 572. [2024-11-16 07:42:51,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 572 states, 446 states have (on average 1.5112107623318385) internal successors, (674), 453 states have internal predecessors, (674), 94 states have call successors, (94), 30 states have call predecessors, (94), 31 states have return successors, (97), 90 states have call predecessors, (97), 91 states have call successors, (97) [2024-11-16 07:42:51,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 572 states and 865 transitions. [2024-11-16 07:42:51,994 INFO L78 Accepts]: Start accepts. Automaton has 572 states and 865 transitions. Word has length 157 [2024-11-16 07:42:51,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:42:51,994 INFO L471 AbstractCegarLoop]: Abstraction has 572 states and 865 transitions. [2024-11-16 07:42:51,995 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 11.75) internal successors, (94), 5 states have internal predecessors, (94), 3 states have call successors, (22), 6 states have call predecessors, (22), 2 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-16 07:42:51,995 INFO L276 IsEmpty]: Start isEmpty. Operand 572 states and 865 transitions. [2024-11-16 07:42:51,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-16 07:42:51,997 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:42:51,997 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:42:51,998 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 07:42:51,998 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:42:51,998 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:42:51,998 INFO L85 PathProgramCache]: Analyzing trace with hash -1625439287, now seen corresponding path program 2 times [2024-11-16 07:42:51,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:42:51,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524490174] [2024-11-16 07:42:51,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:42:51,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:42:52,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:52,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 07:42:52,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:52,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:42:52,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:52,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 07:42:52,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:52,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-16 07:42:52,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:52,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 07:42:52,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:52,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 07:42:52,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:52,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-16 07:42:52,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:52,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-16 07:42:52,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:52,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-16 07:42:52,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:52,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-16 07:42:52,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:52,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 07:42:52,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:52,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 07:42:52,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:52,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-16 07:42:52,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:52,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-16 07:42:52,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:52,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 07:42:52,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:52,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 07:42:52,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:52,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-16 07:42:52,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:52,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-16 07:42:52,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:52,221 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-16 07:42:52,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:42:52,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524490174] [2024-11-16 07:42:52,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1524490174] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:42:52,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:42:52,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-16 07:42:52,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493268784] [2024-11-16 07:42:52,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:42:52,222 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 07:42:52,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:42:52,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 07:42:52,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-16 07:42:52,223 INFO L87 Difference]: Start difference. First operand 572 states and 865 transitions. Second operand has 9 states, 8 states have (on average 11.875) internal successors, (95), 5 states have internal predecessors, (95), 3 states have call successors, (22), 6 states have call predecessors, (22), 2 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-16 07:42:54,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:42:54,591 INFO L93 Difference]: Finished difference Result 1364 states and 2098 transitions. [2024-11-16 07:42:54,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-16 07:42:54,591 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 11.875) internal successors, (95), 5 states have internal predecessors, (95), 3 states have call successors, (22), 6 states have call predecessors, (22), 2 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) Word has length 158 [2024-11-16 07:42:54,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:42:54,596 INFO L225 Difference]: With dead ends: 1364 [2024-11-16 07:42:54,597 INFO L226 Difference]: Without dead ends: 815 [2024-11-16 07:42:54,598 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-16 07:42:54,599 INFO L432 NwaCegarLoop]: 229 mSDtfsCounter, 1642 mSDsluCounter, 1260 mSDsCounter, 0 mSdLazyCounter, 3581 mSolverCounterSat, 621 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1643 SdHoareTripleChecker+Valid, 1489 SdHoareTripleChecker+Invalid, 4202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 621 IncrementalHoareTripleChecker+Valid, 3581 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-16 07:42:54,599 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1643 Valid, 1489 Invalid, 4202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [621 Valid, 3581 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-16 07:42:54,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 815 states. [2024-11-16 07:42:54,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 815 to 574. [2024-11-16 07:42:54,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 574 states, 447 states have (on average 1.5100671140939597) internal successors, (675), 455 states have internal predecessors, (675), 94 states have call successors, (94), 30 states have call predecessors, (94), 32 states have return successors, (99), 90 states have call predecessors, (99), 91 states have call successors, (99) [2024-11-16 07:42:54,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 574 states and 868 transitions. [2024-11-16 07:42:54,668 INFO L78 Accepts]: Start accepts. Automaton has 574 states and 868 transitions. Word has length 158 [2024-11-16 07:42:54,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:42:54,670 INFO L471 AbstractCegarLoop]: Abstraction has 574 states and 868 transitions. [2024-11-16 07:42:54,670 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 11.875) internal successors, (95), 5 states have internal predecessors, (95), 3 states have call successors, (22), 6 states have call predecessors, (22), 2 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-16 07:42:54,670 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 868 transitions. [2024-11-16 07:42:54,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-16 07:42:54,672 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:42:54,672 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:42:54,673 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-16 07:42:54,673 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:42:54,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:42:54,673 INFO L85 PathProgramCache]: Analyzing trace with hash 72978366, now seen corresponding path program 1 times [2024-11-16 07:42:54,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:42:54,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864560249] [2024-11-16 07:42:54,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:42:54,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:42:54,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:54,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 07:42:54,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:54,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:42:54,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:54,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 07:42:54,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:54,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-16 07:42:54,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:54,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 07:42:54,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:54,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 07:42:54,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:54,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 07:42:54,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:54,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 07:42:54,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:54,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-16 07:42:54,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:54,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 07:42:54,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:54,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 07:42:54,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:54,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 07:42:54,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:54,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-16 07:42:54,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:54,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 07:42:54,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:54,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 07:42:54,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:54,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-16 07:42:54,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:54,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-16 07:42:54,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:54,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-16 07:42:54,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:54,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-16 07:42:54,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:54,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-16 07:42:54,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:54,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-16 07:42:54,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:54,888 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-16 07:42:54,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:42:54,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864560249] [2024-11-16 07:42:54,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1864560249] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:42:54,888 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:42:54,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-16 07:42:54,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371231154] [2024-11-16 07:42:54,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:42:54,889 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-16 07:42:54,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:42:54,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-16 07:42:54,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-16 07:42:54,890 INFO L87 Difference]: Start difference. First operand 574 states and 868 transitions. Second operand has 12 states, 11 states have (on average 9.636363636363637) internal successors, (106), 8 states have internal predecessors, (106), 4 states have call successors, (25), 6 states have call predecessors, (25), 3 states have return successors, (21), 3 states have call predecessors, (21), 4 states have call successors, (21) [2024-11-16 07:42:58,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:42:58,080 INFO L93 Difference]: Finished difference Result 1362 states and 2093 transitions. [2024-11-16 07:42:58,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-16 07:42:58,081 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 9.636363636363637) internal successors, (106), 8 states have internal predecessors, (106), 4 states have call successors, (25), 6 states have call predecessors, (25), 3 states have return successors, (21), 3 states have call predecessors, (21), 4 states have call successors, (21) Word has length 178 [2024-11-16 07:42:58,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:42:58,087 INFO L225 Difference]: With dead ends: 1362 [2024-11-16 07:42:58,088 INFO L226 Difference]: Without dead ends: 815 [2024-11-16 07:42:58,090 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-11-16 07:42:58,091 INFO L432 NwaCegarLoop]: 229 mSDtfsCounter, 1638 mSDsluCounter, 1836 mSDsCounter, 0 mSdLazyCounter, 6001 mSolverCounterSat, 651 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1639 SdHoareTripleChecker+Valid, 2065 SdHoareTripleChecker+Invalid, 6652 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 651 IncrementalHoareTripleChecker+Valid, 6001 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-11-16 07:42:58,092 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1639 Valid, 2065 Invalid, 6652 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [651 Valid, 6001 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-11-16 07:42:58,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 815 states. [2024-11-16 07:42:58,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 815 to 574. [2024-11-16 07:42:58,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 574 states, 447 states have (on average 1.5100671140939597) internal successors, (675), 455 states have internal predecessors, (675), 94 states have call successors, (94), 30 states have call predecessors, (94), 32 states have return successors, (98), 90 states have call predecessors, (98), 91 states have call successors, (98) [2024-11-16 07:42:58,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 574 states and 867 transitions. [2024-11-16 07:42:58,122 INFO L78 Accepts]: Start accepts. Automaton has 574 states and 867 transitions. Word has length 178 [2024-11-16 07:42:58,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:42:58,123 INFO L471 AbstractCegarLoop]: Abstraction has 574 states and 867 transitions. [2024-11-16 07:42:58,123 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 9.636363636363637) internal successors, (106), 8 states have internal predecessors, (106), 4 states have call successors, (25), 6 states have call predecessors, (25), 3 states have return successors, (21), 3 states have call predecessors, (21), 4 states have call successors, (21) [2024-11-16 07:42:58,123 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 867 transitions. [2024-11-16 07:42:58,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-11-16 07:42:58,125 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:42:58,125 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:42:58,126 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-16 07:42:58,126 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:42:58,126 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:42:58,126 INFO L85 PathProgramCache]: Analyzing trace with hash -1464992202, now seen corresponding path program 2 times [2024-11-16 07:42:58,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:42:58,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108569030] [2024-11-16 07:42:58,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:42:58,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:42:58,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:58,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 07:42:58,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:58,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:42:58,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:58,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 07:42:58,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:58,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-16 07:42:58,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:58,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 07:42:58,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:58,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 07:42:58,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:58,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-16 07:42:58,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:58,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 07:42:58,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:58,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-16 07:42:58,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:58,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-16 07:42:58,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:58,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-16 07:42:58,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:58,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-16 07:42:58,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:58,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 07:42:58,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:58,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 07:42:58,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:58,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 07:42:58,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:58,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 07:42:58,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:58,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-16 07:42:58,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:58,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-16 07:42:58,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:58,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-16 07:42:58,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:58,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-16 07:42:58,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:58,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-16 07:42:58,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:42:58,376 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-16 07:42:58,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:42:58,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108569030] [2024-11-16 07:42:58,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1108569030] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:42:58,377 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:42:58,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-16 07:42:58,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761830454] [2024-11-16 07:42:58,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:42:58,378 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-16 07:42:58,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:42:58,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-16 07:42:58,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-16 07:42:58,379 INFO L87 Difference]: Start difference. First operand 574 states and 867 transitions. Second operand has 12 states, 11 states have (on average 9.727272727272727) internal successors, (107), 8 states have internal predecessors, (107), 4 states have call successors, (25), 6 states have call predecessors, (25), 3 states have return successors, (21), 3 states have call predecessors, (21), 4 states have call successors, (21) [2024-11-16 07:43:01,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:43:01,210 INFO L93 Difference]: Finished difference Result 1364 states and 2099 transitions. [2024-11-16 07:43:01,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-16 07:43:01,211 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 9.727272727272727) internal successors, (107), 8 states have internal predecessors, (107), 4 states have call successors, (25), 6 states have call predecessors, (25), 3 states have return successors, (21), 3 states have call predecessors, (21), 4 states have call successors, (21) Word has length 179 [2024-11-16 07:43:01,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:43:01,215 INFO L225 Difference]: With dead ends: 1364 [2024-11-16 07:43:01,215 INFO L226 Difference]: Without dead ends: 817 [2024-11-16 07:43:01,217 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-11-16 07:43:01,217 INFO L432 NwaCegarLoop]: 229 mSDtfsCounter, 1613 mSDsluCounter, 1836 mSDsCounter, 0 mSdLazyCounter, 6252 mSolverCounterSat, 576 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1614 SdHoareTripleChecker+Valid, 2065 SdHoareTripleChecker+Invalid, 6828 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 576 IncrementalHoareTripleChecker+Valid, 6252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-16 07:43:01,217 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1614 Valid, 2065 Invalid, 6828 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [576 Valid, 6252 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-16 07:43:01,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 817 states. [2024-11-16 07:43:01,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 817 to 576. [2024-11-16 07:43:01,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 576 states, 448 states have (on average 1.5089285714285714) internal successors, (676), 457 states have internal predecessors, (676), 94 states have call successors, (94), 30 states have call predecessors, (94), 33 states have return successors, (103), 90 states have call predecessors, (103), 91 states have call successors, (103) [2024-11-16 07:43:01,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 576 states and 873 transitions. [2024-11-16 07:43:01,246 INFO L78 Accepts]: Start accepts. Automaton has 576 states and 873 transitions. Word has length 179 [2024-11-16 07:43:01,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:43:01,246 INFO L471 AbstractCegarLoop]: Abstraction has 576 states and 873 transitions. [2024-11-16 07:43:01,246 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 9.727272727272727) internal successors, (107), 8 states have internal predecessors, (107), 4 states have call successors, (25), 6 states have call predecessors, (25), 3 states have return successors, (21), 3 states have call predecessors, (21), 4 states have call successors, (21) [2024-11-16 07:43:01,247 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 873 transitions. [2024-11-16 07:43:01,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-16 07:43:01,248 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:43:01,248 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:43:01,249 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-16 07:43:01,249 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:43:01,249 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:43:01,249 INFO L85 PathProgramCache]: Analyzing trace with hash 389340571, now seen corresponding path program 1 times [2024-11-16 07:43:01,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:43:01,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002464698] [2024-11-16 07:43:01,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:43:01,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:43:01,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:01,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 07:43:01,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:01,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:43:01,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:01,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 07:43:01,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:01,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-16 07:43:01,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:01,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 07:43:01,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:01,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 07:43:01,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:01,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-16 07:43:01,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:01,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-16 07:43:01,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:01,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 07:43:01,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:01,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 07:43:01,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:01,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-16 07:43:01,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:01,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-16 07:43:01,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:01,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 07:43:01,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:01,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-16 07:43:01,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:01,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-16 07:43:01,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:01,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-16 07:43:01,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:01,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-16 07:43:01,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:01,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-16 07:43:01,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:01,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-16 07:43:01,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:01,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-16 07:43:01,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:01,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-16 07:43:01,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:01,499 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-16 07:43:01,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:43:01,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002464698] [2024-11-16 07:43:01,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2002464698] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 07:43:01,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [878815202] [2024-11-16 07:43:01,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:43:01,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 07:43:01,499 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 07:43:01,501 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) [2024-11-16 07:43:01,504 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-16 07:43:01,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:01,782 INFO L255 TraceCheckSpWp]: Trace formula consists of 1364 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-16 07:43:01,785 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 07:43:01,825 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-16 07:43:01,828 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 07:43:01,992 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-16 07:43:01,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [878815202] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-16 07:43:01,993 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-16 07:43:01,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 4, 4] total 15 [2024-11-16 07:43:01,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627785864] [2024-11-16 07:43:01,993 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-16 07:43:01,994 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-16 07:43:01,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:43:01,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-16 07:43:01,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2024-11-16 07:43:01,998 INFO L87 Difference]: Start difference. First operand 576 states and 873 transitions. Second operand has 15 states, 14 states have (on average 12.928571428571429) internal successors, (181), 11 states have internal predecessors, (181), 4 states have call successors, (50), 6 states have call predecessors, (50), 3 states have return successors, (40), 3 states have call predecessors, (40), 4 states have call successors, (40) [2024-11-16 07:43:05,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:43:05,570 INFO L93 Difference]: Finished difference Result 1884 states and 2991 transitions. [2024-11-16 07:43:05,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-16 07:43:05,571 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 12.928571428571429) internal successors, (181), 11 states have internal predecessors, (181), 4 states have call successors, (50), 6 states have call predecessors, (50), 3 states have return successors, (40), 3 states have call predecessors, (40), 4 states have call successors, (40) Word has length 180 [2024-11-16 07:43:05,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:43:05,579 INFO L225 Difference]: With dead ends: 1884 [2024-11-16 07:43:05,579 INFO L226 Difference]: Without dead ends: 1341 [2024-11-16 07:43:05,582 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 427 GetRequests, 397 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=164, Invalid=828, Unknown=0, NotChecked=0, Total=992 [2024-11-16 07:43:05,583 INFO L432 NwaCegarLoop]: 225 mSDtfsCounter, 3202 mSDsluCounter, 2153 mSDsCounter, 0 mSdLazyCounter, 6439 mSolverCounterSat, 1078 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3222 SdHoareTripleChecker+Valid, 2378 SdHoareTripleChecker+Invalid, 7517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1078 IncrementalHoareTripleChecker+Valid, 6439 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2024-11-16 07:43:05,583 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3222 Valid, 2378 Invalid, 7517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1078 Valid, 6439 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2024-11-16 07:43:05,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1341 states. [2024-11-16 07:43:05,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1341 to 1076. [2024-11-16 07:43:05,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1076 states, 869 states have (on average 1.5408515535097813) internal successors, (1339), 878 states have internal predecessors, (1339), 173 states have call successors, (173), 30 states have call predecessors, (173), 33 states have return successors, (192), 169 states have call predecessors, (192), 170 states have call successors, (192) [2024-11-16 07:43:05,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1076 states to 1076 states and 1704 transitions. [2024-11-16 07:43:05,639 INFO L78 Accepts]: Start accepts. Automaton has 1076 states and 1704 transitions. Word has length 180 [2024-11-16 07:43:05,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:43:05,639 INFO L471 AbstractCegarLoop]: Abstraction has 1076 states and 1704 transitions. [2024-11-16 07:43:05,639 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 12.928571428571429) internal successors, (181), 11 states have internal predecessors, (181), 4 states have call successors, (50), 6 states have call predecessors, (50), 3 states have return successors, (40), 3 states have call predecessors, (40), 4 states have call successors, (40) [2024-11-16 07:43:05,640 INFO L276 IsEmpty]: Start isEmpty. Operand 1076 states and 1704 transitions. [2024-11-16 07:43:05,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-16 07:43:05,644 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:43:05,644 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:43:05,662 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-16 07:43:05,844 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 [2024-11-16 07:43:05,845 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:43:05,845 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:43:05,846 INFO L85 PathProgramCache]: Analyzing trace with hash -98017730, now seen corresponding path program 1 times [2024-11-16 07:43:05,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:43:05,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959166105] [2024-11-16 07:43:05,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:43:05,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:43:05,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:05,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 07:43:05,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:05,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:43:05,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:05,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 07:43:05,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:05,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-16 07:43:05,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:05,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 07:43:05,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:05,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 07:43:05,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:05,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 07:43:05,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:05,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 07:43:05,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:05,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-16 07:43:05,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:05,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 07:43:05,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:05,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-16 07:43:05,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:05,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-16 07:43:05,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:05,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 07:43:05,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:05,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 07:43:05,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:05,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 07:43:05,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:05,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-16 07:43:05,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:05,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-16 07:43:05,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:05,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-16 07:43:05,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:05,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-16 07:43:05,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:05,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-16 07:43:05,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:05,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-16 07:43:05,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:05,986 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-16 07:43:05,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:43:06,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959166105] [2024-11-16 07:43:06,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1959166105] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:43:06,010 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:43:06,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 07:43:06,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863047807] [2024-11-16 07:43:06,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:43:06,012 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 07:43:06,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:43:06,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 07:43:06,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 07:43:06,013 INFO L87 Difference]: Start difference. First operand 1076 states and 1704 transitions. Second operand has 7 states, 7 states have (on average 16.428571428571427) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-16 07:43:07,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:43:07,851 INFO L93 Difference]: Finished difference Result 2793 states and 4514 transitions. [2024-11-16 07:43:07,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 07:43:07,851 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.428571428571427) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 190 [2024-11-16 07:43:07,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:43:07,860 INFO L225 Difference]: With dead ends: 2793 [2024-11-16 07:43:07,860 INFO L226 Difference]: Without dead ends: 1799 [2024-11-16 07:43:07,862 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-16 07:43:07,863 INFO L432 NwaCegarLoop]: 246 mSDtfsCounter, 1768 mSDsluCounter, 889 mSDsCounter, 0 mSdLazyCounter, 2083 mSolverCounterSat, 696 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1786 SdHoareTripleChecker+Valid, 1135 SdHoareTripleChecker+Invalid, 2779 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 696 IncrementalHoareTripleChecker+Valid, 2083 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-16 07:43:07,863 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1786 Valid, 1135 Invalid, 2779 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [696 Valid, 2083 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-16 07:43:07,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1799 states. [2024-11-16 07:43:07,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1799 to 1550. [2024-11-16 07:43:07,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1550 states, 1264 states have (on average 1.5490506329113924) internal successors, (1958), 1273 states have internal predecessors, (1958), 252 states have call successors, (252), 30 states have call predecessors, (252), 33 states have return successors, (281), 248 states have call predecessors, (281), 249 states have call successors, (281) [2024-11-16 07:43:07,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1550 states to 1550 states and 2491 transitions. [2024-11-16 07:43:07,961 INFO L78 Accepts]: Start accepts. Automaton has 1550 states and 2491 transitions. Word has length 190 [2024-11-16 07:43:07,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:43:07,961 INFO L471 AbstractCegarLoop]: Abstraction has 1550 states and 2491 transitions. [2024-11-16 07:43:07,961 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.428571428571427) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-16 07:43:07,962 INFO L276 IsEmpty]: Start isEmpty. Operand 1550 states and 2491 transitions. [2024-11-16 07:43:07,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-11-16 07:43:07,967 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:43:07,968 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:43:07,968 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-16 07:43:07,968 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:43:07,968 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:43:07,968 INFO L85 PathProgramCache]: Analyzing trace with hash -36510656, now seen corresponding path program 1 times [2024-11-16 07:43:07,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:43:07,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271522277] [2024-11-16 07:43:07,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:43:07,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:43:07,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:08,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 07:43:08,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:08,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:43:08,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:08,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 07:43:08,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:08,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-16 07:43:08,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:08,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 07:43:08,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:08,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 07:43:08,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:08,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-16 07:43:08,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:08,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 07:43:08,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:08,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 07:43:08,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:08,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-16 07:43:08,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:08,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 07:43:08,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:08,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 07:43:08,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:08,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 07:43:08,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:08,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-16 07:43:08,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:08,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-16 07:43:08,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:08,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-16 07:43:08,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:08,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-16 07:43:08,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:08,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-16 07:43:08,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:08,063 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-16 07:43:08,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:43:08,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271522277] [2024-11-16 07:43:08,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [271522277] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:43:08,064 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:43:08,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 07:43:08,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486690338] [2024-11-16 07:43:08,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:43:08,064 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 07:43:08,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:43:08,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 07:43:08,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 07:43:08,065 INFO L87 Difference]: Start difference. First operand 1550 states and 2491 transitions. Second operand has 7 states, 7 states have (on average 15.571428571428571) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-16 07:43:09,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:43:09,611 INFO L93 Difference]: Finished difference Result 3979 states and 6474 transitions. [2024-11-16 07:43:09,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 07:43:09,612 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.571428571428571) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 172 [2024-11-16 07:43:09,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:43:09,621 INFO L225 Difference]: With dead ends: 3979 [2024-11-16 07:43:09,622 INFO L226 Difference]: Without dead ends: 2572 [2024-11-16 07:43:09,624 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-16 07:43:09,625 INFO L432 NwaCegarLoop]: 234 mSDtfsCounter, 1777 mSDsluCounter, 869 mSDsCounter, 0 mSdLazyCounter, 2054 mSolverCounterSat, 709 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1796 SdHoareTripleChecker+Valid, 1103 SdHoareTripleChecker+Invalid, 2763 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 709 IncrementalHoareTripleChecker+Valid, 2054 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-16 07:43:09,625 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1796 Valid, 1103 Invalid, 2763 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [709 Valid, 2054 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-16 07:43:09,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2572 states. [2024-11-16 07:43:09,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2572 to 2323. [2024-11-16 07:43:09,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2323 states, 1918 states have (on average 1.5516162669447342) internal successors, (2976), 1927 states have internal predecessors, (2976), 371 states have call successors, (371), 30 states have call predecessors, (371), 33 states have return successors, (400), 367 states have call predecessors, (400), 368 states have call successors, (400) [2024-11-16 07:43:09,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2323 states to 2323 states and 3747 transitions. [2024-11-16 07:43:09,698 INFO L78 Accepts]: Start accepts. Automaton has 2323 states and 3747 transitions. Word has length 172 [2024-11-16 07:43:09,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:43:09,698 INFO L471 AbstractCegarLoop]: Abstraction has 2323 states and 3747 transitions. [2024-11-16 07:43:09,698 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.571428571428571) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-16 07:43:09,698 INFO L276 IsEmpty]: Start isEmpty. Operand 2323 states and 3747 transitions. [2024-11-16 07:43:09,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-16 07:43:09,706 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:43:09,707 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:43:09,707 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-16 07:43:09,707 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:43:09,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:43:09,707 INFO L85 PathProgramCache]: Analyzing trace with hash -1823550498, now seen corresponding path program 1 times [2024-11-16 07:43:09,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:43:09,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002608125] [2024-11-16 07:43:09,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:43:09,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:43:09,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:09,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 07:43:09,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:09,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:43:09,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:09,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 07:43:09,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:09,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-16 07:43:09,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:09,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 07:43:09,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:09,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 07:43:09,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:09,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-16 07:43:09,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:09,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-16 07:43:09,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:09,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 07:43:09,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:09,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 07:43:09,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:09,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 07:43:09,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:09,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 07:43:09,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:09,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 07:43:09,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:09,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-16 07:43:09,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:09,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-16 07:43:09,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:09,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-16 07:43:09,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:09,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-16 07:43:09,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:09,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 07:43:09,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:09,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-16 07:43:09,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:09,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-16 07:43:09,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:09,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-16 07:43:09,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:09,819 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-16 07:43:09,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:43:09,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002608125] [2024-11-16 07:43:09,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002608125] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:43:09,820 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:43:09,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 07:43:09,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191885674] [2024-11-16 07:43:09,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:43:09,820 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 07:43:09,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:43:09,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 07:43:09,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 07:43:09,821 INFO L87 Difference]: Start difference. First operand 2323 states and 3747 transitions. Second operand has 7 states, 7 states have (on average 16.714285714285715) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-16 07:43:11,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:43:11,396 INFO L93 Difference]: Finished difference Result 5799 states and 9488 transitions. [2024-11-16 07:43:11,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 07:43:11,397 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.714285714285715) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 192 [2024-11-16 07:43:11,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:43:11,428 INFO L225 Difference]: With dead ends: 5799 [2024-11-16 07:43:11,432 INFO L226 Difference]: Without dead ends: 3772 [2024-11-16 07:43:11,440 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-16 07:43:11,445 INFO L432 NwaCegarLoop]: 229 mSDtfsCounter, 1771 mSDsluCounter, 860 mSDsCounter, 0 mSdLazyCounter, 2027 mSolverCounterSat, 678 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1790 SdHoareTripleChecker+Valid, 1089 SdHoareTripleChecker+Invalid, 2705 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 678 IncrementalHoareTripleChecker+Valid, 2027 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-16 07:43:11,445 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1790 Valid, 1089 Invalid, 2705 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [678 Valid, 2027 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-16 07:43:11,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3772 states. [2024-11-16 07:43:11,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3772 to 3523. [2024-11-16 07:43:11,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3523 states, 2956 states have (on average 1.5531123139377536) internal successors, (4591), 2965 states have internal predecessors, (4591), 533 states have call successors, (533), 30 states have call predecessors, (533), 33 states have return successors, (578), 529 states have call predecessors, (578), 530 states have call successors, (578) [2024-11-16 07:43:11,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3523 states to 3523 states and 5702 transitions. [2024-11-16 07:43:11,551 INFO L78 Accepts]: Start accepts. Automaton has 3523 states and 5702 transitions. Word has length 192 [2024-11-16 07:43:11,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:43:11,551 INFO L471 AbstractCegarLoop]: Abstraction has 3523 states and 5702 transitions. [2024-11-16 07:43:11,551 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.714285714285715) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-16 07:43:11,551 INFO L276 IsEmpty]: Start isEmpty. Operand 3523 states and 5702 transitions. [2024-11-16 07:43:11,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-11-16 07:43:11,562 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:43:11,563 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:43:11,563 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-16 07:43:11,563 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:43:11,563 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:43:11,563 INFO L85 PathProgramCache]: Analyzing trace with hash -583666637, now seen corresponding path program 1 times [2024-11-16 07:43:11,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:43:11,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705847824] [2024-11-16 07:43:11,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:43:11,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:43:11,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:11,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 07:43:11,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:11,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:43:11,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:11,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 07:43:11,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:11,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-16 07:43:11,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:11,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 07:43:11,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:11,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 07:43:11,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:11,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-16 07:43:11,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:11,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-16 07:43:11,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:11,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 07:43:11,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:11,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-16 07:43:11,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:11,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 07:43:11,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:11,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 07:43:11,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:11,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-16 07:43:11,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:11,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-16 07:43:11,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:11,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-16 07:43:11,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:11,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-16 07:43:11,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:11,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-16 07:43:11,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:11,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-16 07:43:11,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:11,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-16 07:43:11,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:11,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-16 07:43:11,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:11,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-16 07:43:11,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:11,673 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-16 07:43:11,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:43:11,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705847824] [2024-11-16 07:43:11,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [705847824] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:43:11,674 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:43:11,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 07:43:11,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480312704] [2024-11-16 07:43:11,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:43:11,675 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 07:43:11,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:43:11,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 07:43:11,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 07:43:11,675 INFO L87 Difference]: Start difference. First operand 3523 states and 5702 transitions. Second operand has 7 states, 7 states have (on average 16.857142857142858) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-16 07:43:13,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:43:13,717 INFO L93 Difference]: Finished difference Result 8701 states and 14291 transitions. [2024-11-16 07:43:13,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 07:43:13,717 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.857142857142858) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 193 [2024-11-16 07:43:13,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:43:13,740 INFO L225 Difference]: With dead ends: 8701 [2024-11-16 07:43:13,741 INFO L226 Difference]: Without dead ends: 5726 [2024-11-16 07:43:13,748 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-16 07:43:13,749 INFO L432 NwaCegarLoop]: 228 mSDtfsCounter, 1758 mSDsluCounter, 860 mSDsCounter, 0 mSdLazyCounter, 2033 mSolverCounterSat, 683 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1777 SdHoareTripleChecker+Valid, 1088 SdHoareTripleChecker+Invalid, 2716 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 683 IncrementalHoareTripleChecker+Valid, 2033 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-16 07:43:13,750 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1777 Valid, 1088 Invalid, 2716 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [683 Valid, 2033 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-16 07:43:13,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5726 states. [2024-11-16 07:43:13,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5726 to 5477. [2024-11-16 07:43:13,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5477 states, 4665 states have (on average 1.5534833869239013) internal successors, (7247), 4674 states have internal predecessors, (7247), 778 states have call successors, (778), 30 states have call predecessors, (778), 33 states have return successors, (849), 774 states have call predecessors, (849), 775 states have call successors, (849) [2024-11-16 07:43:13,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5477 states to 5477 states and 8874 transitions. [2024-11-16 07:43:13,937 INFO L78 Accepts]: Start accepts. Automaton has 5477 states and 8874 transitions. Word has length 193 [2024-11-16 07:43:13,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:43:13,938 INFO L471 AbstractCegarLoop]: Abstraction has 5477 states and 8874 transitions. [2024-11-16 07:43:13,938 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.857142857142858) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-16 07:43:13,938 INFO L276 IsEmpty]: Start isEmpty. Operand 5477 states and 8874 transitions. [2024-11-16 07:43:13,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-16 07:43:13,960 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:43:13,960 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:43:13,960 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-16 07:43:13,961 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:43:13,961 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:43:13,961 INFO L85 PathProgramCache]: Analyzing trace with hash -1925353163, now seen corresponding path program 1 times [2024-11-16 07:43:13,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:43:13,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054138581] [2024-11-16 07:43:13,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:43:13,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:43:14,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:14,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 07:43:14,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:14,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:43:14,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:14,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 07:43:14,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:14,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-16 07:43:14,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:14,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 07:43:14,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:14,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 07:43:14,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:14,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 07:43:14,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:14,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-16 07:43:14,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:14,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 07:43:14,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:14,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-16 07:43:14,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:14,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-16 07:43:14,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:14,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-16 07:43:14,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:14,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-16 07:43:14,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:14,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-16 07:43:14,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:14,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 07:43:14,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:14,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 07:43:14,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:14,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-16 07:43:14,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:14,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-16 07:43:14,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:14,109 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-16 07:43:14,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:43:14,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054138581] [2024-11-16 07:43:14,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1054138581] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:43:14,109 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:43:14,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 07:43:14,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162287542] [2024-11-16 07:43:14,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:43:14,110 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 07:43:14,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:43:14,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 07:43:14,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 07:43:14,111 INFO L87 Difference]: Start difference. First operand 5477 states and 8874 transitions. Second operand has 7 states, 7 states have (on average 16.0) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-16 07:43:15,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:43:15,965 INFO L93 Difference]: Finished difference Result 13574 states and 22340 transitions. [2024-11-16 07:43:15,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 07:43:15,966 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.0) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 175 [2024-11-16 07:43:15,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:43:15,993 INFO L225 Difference]: With dead ends: 13574 [2024-11-16 07:43:15,994 INFO L226 Difference]: Without dead ends: 9030 [2024-11-16 07:43:16,001 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-16 07:43:16,001 INFO L432 NwaCegarLoop]: 236 mSDtfsCounter, 1763 mSDsluCounter, 868 mSDsCounter, 0 mSdLazyCounter, 2026 mSolverCounterSat, 681 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1782 SdHoareTripleChecker+Valid, 1104 SdHoareTripleChecker+Invalid, 2707 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 681 IncrementalHoareTripleChecker+Valid, 2026 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-16 07:43:16,002 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1782 Valid, 1104 Invalid, 2707 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [681 Valid, 2026 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-16 07:43:16,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9030 states. [2024-11-16 07:43:16,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9030 to 8781. [2024-11-16 07:43:16,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8781 states, 7476 states have (on average 1.5472177635098983) internal successors, (11567), 7485 states have internal predecessors, (11567), 1271 states have call successors, (1271), 30 states have call predecessors, (1271), 33 states have return successors, (1386), 1267 states have call predecessors, (1386), 1268 states have call successors, (1386) [2024-11-16 07:43:16,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8781 states to 8781 states and 14224 transitions. [2024-11-16 07:43:16,256 INFO L78 Accepts]: Start accepts. Automaton has 8781 states and 14224 transitions. Word has length 175 [2024-11-16 07:43:16,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:43:16,259 INFO L471 AbstractCegarLoop]: Abstraction has 8781 states and 14224 transitions. [2024-11-16 07:43:16,259 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.0) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-16 07:43:16,259 INFO L276 IsEmpty]: Start isEmpty. Operand 8781 states and 14224 transitions. [2024-11-16 07:43:16,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-16 07:43:16,290 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:43:16,290 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:43:16,291 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-16 07:43:16,291 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:43:16,291 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:43:16,291 INFO L85 PathProgramCache]: Analyzing trace with hash 190229696, now seen corresponding path program 1 times [2024-11-16 07:43:16,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:43:16,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662099511] [2024-11-16 07:43:16,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:43:16,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:43:16,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:16,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 07:43:16,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:16,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:43:16,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:16,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 07:43:16,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:16,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-16 07:43:16,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:16,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 07:43:16,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:16,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 07:43:16,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:16,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 07:43:16,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:16,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 07:43:16,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:16,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-16 07:43:16,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:16,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 07:43:16,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:16,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-16 07:43:16,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:16,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-16 07:43:16,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:16,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-16 07:43:16,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:16,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-16 07:43:16,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:16,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 07:43:16,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:16,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-16 07:43:16,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:16,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-16 07:43:16,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:16,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-16 07:43:16,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:16,380 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-16 07:43:16,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:43:16,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1662099511] [2024-11-16 07:43:16,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1662099511] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:43:16,380 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:43:16,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 07:43:16,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468464192] [2024-11-16 07:43:16,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:43:16,381 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 07:43:16,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:43:16,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 07:43:16,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 07:43:16,381 INFO L87 Difference]: Start difference. First operand 8781 states and 14224 transitions. Second operand has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-16 07:43:18,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:43:18,428 INFO L93 Difference]: Finished difference Result 22408 states and 36835 transitions. [2024-11-16 07:43:18,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 07:43:18,428 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 176 [2024-11-16 07:43:18,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:43:18,476 INFO L225 Difference]: With dead ends: 22408 [2024-11-16 07:43:18,476 INFO L226 Difference]: Without dead ends: 15040 [2024-11-16 07:43:18,584 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-16 07:43:18,586 INFO L432 NwaCegarLoop]: 232 mSDtfsCounter, 1773 mSDsluCounter, 865 mSDsCounter, 0 mSdLazyCounter, 2059 mSolverCounterSat, 662 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1791 SdHoareTripleChecker+Valid, 1097 SdHoareTripleChecker+Invalid, 2721 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 662 IncrementalHoareTripleChecker+Valid, 2059 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-16 07:43:18,586 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1791 Valid, 1097 Invalid, 2721 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [662 Valid, 2059 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-16 07:43:18,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15040 states. [2024-11-16 07:43:18,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15040 to 14791. [2024-11-16 07:43:18,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14791 states, 12664 states have (on average 1.5450094756790904) internal successors, (19566), 12673 states have internal predecessors, (19566), 2093 states have call successors, (2093), 30 states have call predecessors, (2093), 33 states have return successors, (2286), 2089 states have call predecessors, (2286), 2090 states have call successors, (2286) [2024-11-16 07:43:18,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14791 states to 14791 states and 23945 transitions. [2024-11-16 07:43:18,933 INFO L78 Accepts]: Start accepts. Automaton has 14791 states and 23945 transitions. Word has length 176 [2024-11-16 07:43:18,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:43:18,933 INFO L471 AbstractCegarLoop]: Abstraction has 14791 states and 23945 transitions. [2024-11-16 07:43:18,934 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-16 07:43:18,934 INFO L276 IsEmpty]: Start isEmpty. Operand 14791 states and 23945 transitions. [2024-11-16 07:43:18,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-16 07:43:18,986 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:43:18,986 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:43:18,986 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-16 07:43:18,987 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:43:18,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:43:18,987 INFO L85 PathProgramCache]: Analyzing trace with hash -1103457387, now seen corresponding path program 1 times [2024-11-16 07:43:18,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:43:18,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783022571] [2024-11-16 07:43:18,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:43:18,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:43:19,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:19,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 07:43:19,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:19,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:43:19,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:19,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 07:43:19,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:19,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-16 07:43:19,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:19,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 07:43:19,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:19,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 07:43:19,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:19,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 07:43:19,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:19,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-16 07:43:19,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:19,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-16 07:43:19,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:19,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 07:43:19,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:19,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-16 07:43:19,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:19,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 07:43:19,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:19,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 07:43:19,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:19,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 07:43:19,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:19,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-16 07:43:19,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:19,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-16 07:43:19,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:19,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 07:43:19,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:19,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-16 07:43:19,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:19,144 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-16 07:43:19,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:43:19,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783022571] [2024-11-16 07:43:19,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783022571] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:43:19,145 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:43:19,145 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 07:43:19,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54663990] [2024-11-16 07:43:19,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:43:19,146 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 07:43:19,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:43:19,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 07:43:19,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 07:43:19,147 INFO L87 Difference]: Start difference. First operand 14791 states and 23945 transitions. Second operand has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-16 07:43:21,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:43:21,203 INFO L93 Difference]: Finished difference Result 36184 states and 58828 transitions. [2024-11-16 07:43:21,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 07:43:21,204 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 177 [2024-11-16 07:43:21,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:43:21,268 INFO L225 Difference]: With dead ends: 36184 [2024-11-16 07:43:21,269 INFO L226 Difference]: Without dead ends: 23918 [2024-11-16 07:43:21,292 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-16 07:43:21,293 INFO L432 NwaCegarLoop]: 228 mSDtfsCounter, 1759 mSDsluCounter, 835 mSDsCounter, 0 mSdLazyCounter, 2041 mSolverCounterSat, 661 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1778 SdHoareTripleChecker+Valid, 1063 SdHoareTripleChecker+Invalid, 2702 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 661 IncrementalHoareTripleChecker+Valid, 2041 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-16 07:43:21,293 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1778 Valid, 1063 Invalid, 2702 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [661 Valid, 2041 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-16 07:43:21,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23918 states. [2024-11-16 07:43:22,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23918 to 23669. [2024-11-16 07:43:22,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23669 states, 20339 states have (on average 1.5132012389989675) internal successors, (30777), 20348 states have internal predecessors, (30777), 3296 states have call successors, (3296), 30 states have call predecessors, (3296), 33 states have return successors, (3633), 3292 states have call predecessors, (3633), 3293 states have call successors, (3633) [2024-11-16 07:43:22,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23669 states to 23669 states and 37706 transitions. [2024-11-16 07:43:22,126 INFO L78 Accepts]: Start accepts. Automaton has 23669 states and 37706 transitions. Word has length 177 [2024-11-16 07:43:22,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:43:22,127 INFO L471 AbstractCegarLoop]: Abstraction has 23669 states and 37706 transitions. [2024-11-16 07:43:22,127 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-16 07:43:22,127 INFO L276 IsEmpty]: Start isEmpty. Operand 23669 states and 37706 transitions. [2024-11-16 07:43:22,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-16 07:43:22,159 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:43:22,160 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:43:22,160 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-16 07:43:22,160 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:43:22,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:43:22,160 INFO L85 PathProgramCache]: Analyzing trace with hash 489096307, now seen corresponding path program 1 times [2024-11-16 07:43:22,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:43:22,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150689692] [2024-11-16 07:43:22,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:43:22,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:43:22,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:22,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 07:43:22,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:22,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:43:22,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:22,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 07:43:22,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:22,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-16 07:43:22,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:22,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 07:43:22,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:22,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 07:43:22,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:22,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-16 07:43:22,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:22,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 07:43:22,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:22,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 07:43:22,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:22,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-16 07:43:22,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:22,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-16 07:43:22,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:22,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 07:43:22,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:22,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 07:43:22,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:22,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-16 07:43:22,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:22,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-16 07:43:22,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:22,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-16 07:43:22,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:22,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-16 07:43:22,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:22,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-16 07:43:22,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:22,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-16 07:43:22,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:22,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-16 07:43:22,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:22,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-16 07:43:22,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:22,278 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-16 07:43:22,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:43:22,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150689692] [2024-11-16 07:43:22,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [150689692] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:43:22,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:43:22,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 07:43:22,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304176264] [2024-11-16 07:43:22,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:43:22,279 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 07:43:22,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:43:22,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 07:43:22,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 07:43:22,279 INFO L87 Difference]: Start difference. First operand 23669 states and 37706 transitions. Second operand has 7 states, 7 states have (on average 17.428571428571427) internal successors, (122), 3 states have internal predecessors, (122), 2 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-16 07:43:24,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:43:24,690 INFO L93 Difference]: Finished difference Result 63048 states and 101784 transitions. [2024-11-16 07:43:24,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 07:43:24,691 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.428571428571427) internal successors, (122), 3 states have internal predecessors, (122), 2 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 197 [2024-11-16 07:43:24,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:43:24,822 INFO L225 Difference]: With dead ends: 63048 [2024-11-16 07:43:24,822 INFO L226 Difference]: Without dead ends: 42724 [2024-11-16 07:43:24,866 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-16 07:43:24,867 INFO L432 NwaCegarLoop]: 230 mSDtfsCounter, 1756 mSDsluCounter, 861 mSDsCounter, 0 mSdLazyCounter, 2051 mSolverCounterSat, 678 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1774 SdHoareTripleChecker+Valid, 1091 SdHoareTripleChecker+Invalid, 2729 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 678 IncrementalHoareTripleChecker+Valid, 2051 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-16 07:43:24,867 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1774 Valid, 1091 Invalid, 2729 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [678 Valid, 2051 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-16 07:43:24,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42724 states. [2024-11-16 07:43:25,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42724 to 42475. [2024-11-16 07:43:25,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42475 states, 36695 states have (on average 1.5080801199073444) internal successors, (55339), 36704 states have internal predecessors, (55339), 5746 states have call successors, (5746), 30 states have call predecessors, (5746), 33 states have return successors, (6357), 5742 states have call predecessors, (6357), 5743 states have call successors, (6357) [2024-11-16 07:43:26,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42475 states to 42475 states and 67442 transitions. [2024-11-16 07:43:26,279 INFO L78 Accepts]: Start accepts. Automaton has 42475 states and 67442 transitions. Word has length 197 [2024-11-16 07:43:26,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:43:26,280 INFO L471 AbstractCegarLoop]: Abstraction has 42475 states and 67442 transitions. [2024-11-16 07:43:26,280 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.428571428571427) internal successors, (122), 3 states have internal predecessors, (122), 2 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-16 07:43:26,280 INFO L276 IsEmpty]: Start isEmpty. Operand 42475 states and 67442 transitions. [2024-11-16 07:43:26,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-16 07:43:26,336 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:43:26,336 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:43:26,336 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-16 07:43:26,336 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:43:26,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:43:26,337 INFO L85 PathProgramCache]: Analyzing trace with hash 1719628926, now seen corresponding path program 1 times [2024-11-16 07:43:26,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:43:26,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007906420] [2024-11-16 07:43:26,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:43:26,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:43:26,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:26,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 07:43:26,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:26,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:43:26,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:26,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 07:43:26,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:26,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-16 07:43:26,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:26,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 07:43:26,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:26,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 07:43:26,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:26,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-16 07:43:26,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:26,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-16 07:43:26,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:26,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 07:43:26,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:26,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-16 07:43:26,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:26,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 07:43:26,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:26,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 07:43:26,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:26,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-16 07:43:26,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:26,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-16 07:43:26,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:26,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-16 07:43:26,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:26,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-16 07:43:26,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:26,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-16 07:43:26,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:26,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-16 07:43:26,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:26,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-16 07:43:26,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:26,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-16 07:43:26,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:26,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-16 07:43:26,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:26,475 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-16 07:43:26,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:43:26,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007906420] [2024-11-16 07:43:26,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2007906420] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:43:26,476 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:43:26,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 07:43:26,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495000045] [2024-11-16 07:43:26,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:43:26,476 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 07:43:26,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:43:26,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 07:43:26,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 07:43:26,478 INFO L87 Difference]: Start difference. First operand 42475 states and 67442 transitions. Second operand has 7 states, 7 states have (on average 17.571428571428573) internal successors, (123), 3 states have internal predecessors, (123), 2 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-16 07:43:29,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:43:29,903 INFO L93 Difference]: Finished difference Result 116557 states and 187005 transitions. [2024-11-16 07:43:29,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 07:43:29,904 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.571428571428573) internal successors, (123), 3 states have internal predecessors, (123), 2 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 198 [2024-11-16 07:43:29,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:43:30,111 INFO L225 Difference]: With dead ends: 116557 [2024-11-16 07:43:30,111 INFO L226 Difference]: Without dead ends: 78566 [2024-11-16 07:43:30,174 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-16 07:43:30,174 INFO L432 NwaCegarLoop]: 229 mSDtfsCounter, 1763 mSDsluCounter, 861 mSDsCounter, 0 mSdLazyCounter, 2001 mSolverCounterSat, 716 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1781 SdHoareTripleChecker+Valid, 1090 SdHoareTripleChecker+Invalid, 2717 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 716 IncrementalHoareTripleChecker+Valid, 2001 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-16 07:43:30,174 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1781 Valid, 1090 Invalid, 2717 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [716 Valid, 2001 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-16 07:43:30,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78566 states. [2024-11-16 07:43:32,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78566 to 78317. [2024-11-16 07:43:32,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78317 states, 68024 states have (on average 1.502366811713513) internal successors, (102197), 68033 states have internal predecessors, (102197), 10259 states have call successors, (10259), 30 states have call predecessors, (10259), 33 states have return successors, (11402), 10255 states have call predecessors, (11402), 10256 states have call successors, (11402) [2024-11-16 07:43:32,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78317 states to 78317 states and 123858 transitions. [2024-11-16 07:43:32,728 INFO L78 Accepts]: Start accepts. Automaton has 78317 states and 123858 transitions. Word has length 198 [2024-11-16 07:43:32,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:43:32,729 INFO L471 AbstractCegarLoop]: Abstraction has 78317 states and 123858 transitions. [2024-11-16 07:43:32,729 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.571428571428573) internal successors, (123), 3 states have internal predecessors, (123), 2 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-16 07:43:32,729 INFO L276 IsEmpty]: Start isEmpty. Operand 78317 states and 123858 transitions. [2024-11-16 07:43:32,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-16 07:43:32,789 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:43:32,789 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:43:32,789 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-16 07:43:32,790 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:43:32,790 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:43:32,790 INFO L85 PathProgramCache]: Analyzing trace with hash 1915993299, now seen corresponding path program 1 times [2024-11-16 07:43:32,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:43:32,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573791713] [2024-11-16 07:43:32,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:43:32,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:43:32,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:32,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 07:43:32,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:32,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:43:32,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:32,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 07:43:32,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:32,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-16 07:43:32,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:32,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 07:43:33,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:33,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 07:43:33,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:33,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-16 07:43:33,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:33,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-16 07:43:33,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:33,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-16 07:43:33,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:33,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-16 07:43:33,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:33,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 07:43:33,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:33,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 07:43:33,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:33,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-16 07:43:33,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:33,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-16 07:43:33,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:33,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 07:43:33,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:33,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-16 07:43:33,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:33,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 07:43:33,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:33,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-16 07:43:33,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:33,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-16 07:43:33,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:33,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-16 07:43:33,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:33,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-16 07:43:33,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:33,238 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-16 07:43:33,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:43:33,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573791713] [2024-11-16 07:43:33,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [573791713] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:43:33,238 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:43:33,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 07:43:33,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080747575] [2024-11-16 07:43:33,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:43:33,239 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 07:43:33,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:43:33,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 07:43:33,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 07:43:33,241 INFO L87 Difference]: Start difference. First operand 78317 states and 123858 transitions. Second operand has 7 states, 7 states have (on average 17.714285714285715) internal successors, (124), 3 states have internal predecessors, (124), 2 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-16 07:43:37,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:43:37,538 INFO L93 Difference]: Finished difference Result 147830 states and 237050 transitions. [2024-11-16 07:43:37,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 07:43:37,538 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.714285714285715) internal successors, (124), 3 states have internal predecessors, (124), 2 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 199 [2024-11-16 07:43:37,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:43:37,973 INFO L225 Difference]: With dead ends: 147830 [2024-11-16 07:43:37,973 INFO L226 Difference]: Without dead ends: 147557 [2024-11-16 07:43:38,025 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-16 07:43:38,025 INFO L432 NwaCegarLoop]: 231 mSDtfsCounter, 1760 mSDsluCounter, 868 mSDsCounter, 0 mSdLazyCounter, 2005 mSolverCounterSat, 686 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1777 SdHoareTripleChecker+Valid, 1099 SdHoareTripleChecker+Invalid, 2691 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 686 IncrementalHoareTripleChecker+Valid, 2005 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-16 07:43:38,026 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1777 Valid, 1099 Invalid, 2691 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [686 Valid, 2005 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-16 07:43:38,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147557 states. [2024-11-16 07:43:41,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147557 to 147308. [2024-11-16 07:43:42,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147308 states, 128647 states have (on average 1.4959695912069462) internal successors, (192452), 128656 states have internal predecessors, (192452), 18627 states have call successors, (18627), 30 states have call predecessors, (18627), 33 states have return successors, (20816), 18623 states have call predecessors, (20816), 18624 states have call successors, (20816) [2024-11-16 07:43:42,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147308 states to 147308 states and 231895 transitions. [2024-11-16 07:43:42,945 INFO L78 Accepts]: Start accepts. Automaton has 147308 states and 231895 transitions. Word has length 199 [2024-11-16 07:43:42,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:43:42,946 INFO L471 AbstractCegarLoop]: Abstraction has 147308 states and 231895 transitions. [2024-11-16 07:43:42,946 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.714285714285715) internal successors, (124), 3 states have internal predecessors, (124), 2 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-16 07:43:42,946 INFO L276 IsEmpty]: Start isEmpty. Operand 147308 states and 231895 transitions. [2024-11-16 07:43:43,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-11-16 07:43:43,119 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:43:43,119 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:43:43,120 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-16 07:43:43,123 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:43:43,123 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:43:43,124 INFO L85 PathProgramCache]: Analyzing trace with hash -243015106, now seen corresponding path program 1 times [2024-11-16 07:43:43,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:43:43,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556746114] [2024-11-16 07:43:43,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:43:43,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:43:43,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:43,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 07:43:43,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:43,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:43:43,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:43,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 07:43:43,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:43,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-16 07:43:43,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:43,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 07:43:43,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:43,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 07:43:43,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:43,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 07:43:43,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:43,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 07:43:43,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:43,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 07:43:43,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:43,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 07:43:43,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:43,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-16 07:43:43,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:43,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-16 07:43:43,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:43,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-16 07:43:43,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:43,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 07:43:43,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:43,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 07:43:43,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:43,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-16 07:43:43,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:43,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-16 07:43:43,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:43,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-16 07:43:43,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:43,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-16 07:43:43,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:43,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-16 07:43:43,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:43,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-16 07:43:43,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:43:43,433 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-16 07:43:43,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:43:43,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556746114] [2024-11-16 07:43:43,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [556746114] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:43:43,436 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:43:43,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-16 07:43:43,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470563118] [2024-11-16 07:43:43,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:43:43,437 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-16 07:43:43,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:43:43,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-16 07:43:43,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-16 07:43:43,438 INFO L87 Difference]: Start difference. First operand 147308 states and 231895 transitions. Second operand has 10 states, 10 states have (on average 12.5) internal successors, (125), 5 states have internal predecessors, (125), 2 states have call successors, (25), 7 states have call predecessors, (25), 2 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-16 07:43:52,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:43:52,140 INFO L93 Difference]: Finished difference Result 283506 states and 454292 transitions. [2024-11-16 07:43:52,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-16 07:43:52,142 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 12.5) internal successors, (125), 5 states have internal predecessors, (125), 2 states have call successors, (25), 7 states have call predecessors, (25), 2 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) Word has length 200 [2024-11-16 07:43:52,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:43:53,754 INFO L225 Difference]: With dead ends: 283506 [2024-11-16 07:43:53,754 INFO L226 Difference]: Without dead ends: 283241 [2024-11-16 07:43:53,852 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=172, Invalid=428, Unknown=0, NotChecked=0, Total=600 [2024-11-16 07:43:53,857 INFO L432 NwaCegarLoop]: 265 mSDtfsCounter, 3670 mSDsluCounter, 1613 mSDsCounter, 0 mSdLazyCounter, 4602 mSolverCounterSat, 1310 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3687 SdHoareTripleChecker+Valid, 1878 SdHoareTripleChecker+Invalid, 5912 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1310 IncrementalHoareTripleChecker+Valid, 4602 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2024-11-16 07:43:53,857 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3687 Valid, 1878 Invalid, 5912 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1310 Valid, 4602 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2024-11-16 07:43:54,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283241 states. [2024-11-16 07:44:01,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283241 to 282750. [2024-11-16 07:44:01,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282750 states, 246933 states have (on average 1.4988843127488023) internal successors, (370124), 246890 states have internal predecessors, (370124), 35754 states have call successors, (35754), 58 states have call predecessors, (35754), 62 states have return successors, (39035), 35805 states have call predecessors, (39035), 35750 states have call successors, (39035) [2024-11-16 07:44:03,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282750 states to 282750 states and 444913 transitions. [2024-11-16 07:44:03,316 INFO L78 Accepts]: Start accepts. Automaton has 282750 states and 444913 transitions. Word has length 200 [2024-11-16 07:44:03,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:44:03,318 INFO L471 AbstractCegarLoop]: Abstraction has 282750 states and 444913 transitions. [2024-11-16 07:44:03,318 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 12.5) internal successors, (125), 5 states have internal predecessors, (125), 2 states have call successors, (25), 7 states have call predecessors, (25), 2 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-16 07:44:03,318 INFO L276 IsEmpty]: Start isEmpty. Operand 282750 states and 444913 transitions. [2024-11-16 07:44:03,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-16 07:44:03,420 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:44:03,420 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:44:03,421 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-16 07:44:03,421 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:44:03,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:44:03,421 INFO L85 PathProgramCache]: Analyzing trace with hash -124173291, now seen corresponding path program 1 times [2024-11-16 07:44:03,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:44:03,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549591471] [2024-11-16 07:44:03,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:44:03,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:44:03,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat