./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-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 64bit --witnessprinter.graph.data.programhash 36677182f518398f01d85d4519b98c485dfbc69288769baae64c1b35fbac01e2 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 12:59:57,454 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 12:59:57,513 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-24 12:59:57,516 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 12:59:57,519 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 12:59:57,544 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 12:59:57,547 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 12:59:57,547 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 12:59:57,548 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 12:59:57,549 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 12:59:57,550 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 12:59:57,550 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 12:59:57,551 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 12:59:57,552 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 12:59:57,553 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 12:59:57,553 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 12:59:57,553 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 12:59:57,554 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 12:59:57,554 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 12:59:57,554 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 12:59:57,554 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 12:59:57,557 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 12:59:57,558 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 12:59:57,558 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 12:59:57,558 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 12:59:57,558 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 12:59:57,558 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 12:59:57,559 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 12:59:57,559 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 12:59:57,559 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 12:59:57,559 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 12:59:57,559 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 12:59:57,559 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 12:59:57,560 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 12:59:57,560 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 12:59:57,560 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 12:59:57,560 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 12:59:57,560 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 12:59:57,561 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 12:59:57,561 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 36677182f518398f01d85d4519b98c485dfbc69288769baae64c1b35fbac01e2 [2024-10-24 12:59:57,823 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 12:59:57,856 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 12:59:57,859 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 12:59:57,861 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 12:59:57,862 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 12:59:57,874 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness.i [2024-10-24 12:59:59,311 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 12:59:59,837 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 12:59:59,838 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness.i [2024-10-24 12:59:59,871 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc1cdeed6/9cbf8ac383fe4d99975695e85d31addd/FLAG43a70d0fe [2024-10-24 12:59:59,890 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc1cdeed6/9cbf8ac383fe4d99975695e85d31addd [2024-10-24 12:59:59,893 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 12:59:59,895 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 12:59:59,897 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 12:59:59,897 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 12:59:59,903 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 12:59:59,903 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 12:59:59" (1/1) ... [2024-10-24 12:59:59,906 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2184754 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:59:59, skipping insertion in model container [2024-10-24 12:59:59,906 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 12:59:59" (1/1) ... [2024-10-24 12:59:59,991 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 13:00:00,311 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness.i[4499,4512] [2024-10-24 13:00:00,320 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness.i[4559,4572] [2024-10-24 13:00:01,051 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:01,052 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:01,052 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:01,053 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:01,056 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:01,070 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:01,072 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:01,074 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:01,075 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:01,076 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:01,077 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:01,078 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:01,078 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:01,529 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:01,536 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:01,659 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:01,660 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:01,660 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:01,661 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:01,661 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:01,661 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:01,662 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:01,666 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:01,667 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:01,667 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:01,667 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:01,668 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:01,668 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:01,671 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:01,672 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:01,672 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:01,673 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:01,676 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:01,676 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:01,685 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:01,686 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:01,686 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:01,702 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:01,703 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:01,707 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:01,715 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 13:00:01,761 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 13:00:01,781 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness.i[4499,4512] [2024-10-24 13:00:01,782 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness.i[4559,4572] [2024-10-24 13:00:01,833 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:01,835 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:01,835 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:01,836 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:01,836 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:01,849 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:01,850 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:01,851 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:01,853 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:01,854 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:01,854 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:01,854 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:01,855 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:01,942 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:01,947 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:01,953 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7771-7782] [2024-10-24 13:00:01,975 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:01,976 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:01,977 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:01,978 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:01,978 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:01,979 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:01,980 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:01,980 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:01,981 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:01,981 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:01,981 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:01,982 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:01,982 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:01,983 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:01,983 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:01,983 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:01,983 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:01,985 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:01,986 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:01,995 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:01,996 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:01,996 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:02,002 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:02,003 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:02,003 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:00:02,008 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 13:00:02,216 INFO L204 MainTranslator]: Completed translation [2024-10-24 13:00:02,217 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:00:02 WrapperNode [2024-10-24 13:00:02,217 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 13:00:02,218 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 13:00:02,218 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 13:00:02,218 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 13:00:02,223 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:00:02" (1/1) ... [2024-10-24 13:00:02,297 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:00:02" (1/1) ... [2024-10-24 13:00:02,375 INFO L138 Inliner]: procedures = 686, calls = 1921, calls flagged for inlining = 59, calls inlined = 15, statements flattened = 1088 [2024-10-24 13:00:02,375 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 13:00:02,376 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 13:00:02,378 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 13:00:02,378 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 13:00:02,389 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:00:02" (1/1) ... [2024-10-24 13:00:02,389 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:00:02" (1/1) ... [2024-10-24 13:00:02,407 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:00:02" (1/1) ... [2024-10-24 13:00:02,519 INFO L175 MemorySlicer]: Split 394 memory accesses to 6 slices as follows [2, 95, 17, 3, 15, 262]. 66 percent of accesses are in the largest equivalence class. The 260 initializations are split as follows [2, 11, 4, 1, 0, 242]. The 30 writes are split as follows [0, 5, 3, 1, 13, 8]. [2024-10-24 13:00:02,519 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:00:02" (1/1) ... [2024-10-24 13:00:02,520 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:00:02" (1/1) ... [2024-10-24 13:00:02,571 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:00:02" (1/1) ... [2024-10-24 13:00:02,581 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:00:02" (1/1) ... [2024-10-24 13:00:02,606 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:00:02" (1/1) ... [2024-10-24 13:00:02,619 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:00:02" (1/1) ... [2024-10-24 13:00:02,634 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 13:00:02,635 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 13:00:02,635 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 13:00:02,635 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 13:00:02,636 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:00:02" (1/1) ... [2024-10-24 13:00:02,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 13:00:02,651 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 13:00:02,668 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) [2024-10-24 13:00:02,672 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 [2024-10-24 13:00:02,715 INFO L130 BoogieDeclarations]: Found specification of procedure s_swap [2024-10-24 13:00:02,715 INFO L138 BoogieDeclarations]: Found implementation of procedure s_swap [2024-10-24 13:00:02,715 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2024-10-24 13:00:02,716 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2024-10-24 13:00:02,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-24 13:00:02,716 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-10-24 13:00:02,717 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-10-24 13:00:02,717 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-10-24 13:00:02,717 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-10-24 13:00:02,717 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-10-24 13:00:02,717 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-10-24 13:00:02,717 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_up [2024-10-24 13:00:02,717 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_up [2024-10-24 13:00:02,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-10-24 13:00:02,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-10-24 13:00:02,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-10-24 13:00:02,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-10-24 13:00:02,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-10-24 13:00:02,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-10-24 13:00:02,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-24 13:00:02,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-24 13:00:02,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-24 13:00:02,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-24 13:00:02,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-24 13:00:02,721 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-24 13:00:02,721 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-10-24 13:00:02,721 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-10-24 13:00:02,721 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-24 13:00:02,721 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-24 13:00:02,721 INFO L130 BoogieDeclarations]: Found specification of procedure s_remove_node [2024-10-24 13:00:02,721 INFO L138 BoogieDeclarations]: Found implementation of procedure s_remove_node [2024-10-24 13:00:02,721 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-24 13:00:02,721 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 13:00:02,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-24 13:00:02,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-24 13:00:02,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-24 13:00:02,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-24 13:00:02,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-24 13:00:02,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-24 13:00:02,722 INFO L130 BoogieDeclarations]: Found specification of procedure my_abort [2024-10-24 13:00:02,722 INFO L138 BoogieDeclarations]: Found implementation of procedure my_abort [2024-10-24 13:00:02,722 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-10-24 13:00:02,722 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-10-24 13:00:02,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 13:00:02,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 13:00:02,723 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-10-24 13:00:02,723 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-10-24 13:00:02,723 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-10-24 13:00:02,723 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-10-24 13:00:02,723 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-10-24 13:00:02,724 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-10-24 13:00:02,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-10-24 13:00:02,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-10-24 13:00:02,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-10-24 13:00:02,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-10-24 13:00:02,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-10-24 13:00:02,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-10-24 13:00:02,725 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-10-24 13:00:02,725 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-10-24 13:00:02,725 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2024-10-24 13:00:02,725 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2024-10-24 13:00:02,725 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2024-10-24 13:00:02,725 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2024-10-24 13:00:02,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-10-24 13:00:02,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-10-24 13:00:02,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-10-24 13:00:02,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-10-24 13:00:02,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-10-24 13:00:02,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-10-24 13:00:02,725 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-10-24 13:00:02,725 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-10-24 13:00:02,725 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-10-24 13:00:02,726 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-10-24 13:00:02,726 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-10-24 13:00:02,726 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-10-24 13:00:02,726 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-24 13:00:02,726 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-24 13:00:02,726 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-10-24 13:00:02,726 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-10-24 13:00:02,726 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_pop_back [2024-10-24 13:00:02,726 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_pop_back [2024-10-24 13:00:02,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-24 13:00:02,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-24 13:00:02,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-24 13:00:02,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-24 13:00:02,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-24 13:00:02,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-24 13:00:02,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-24 13:00:02,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-24 13:00:02,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-24 13:00:02,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-24 13:00:02,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-24 13:00:02,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-24 13:00:02,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-24 13:00:02,727 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2024-10-24 13:00:02,729 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2024-10-24 13:00:02,729 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-10-24 13:00:02,729 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-10-24 13:00:02,729 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-10-24 13:00:02,729 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-10-24 13:00:02,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-24 13:00:02,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-24 13:00:02,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-24 13:00:02,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-24 13:00:02,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-24 13:00:02,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-24 13:00:02,730 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-10-24 13:00:02,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-10-24 13:00:02,730 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2024-10-24 13:00:02,730 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2024-10-24 13:00:02,731 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-10-24 13:00:02,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-10-24 13:00:02,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 13:00:02,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-24 13:00:02,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-24 13:00:02,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-24 13:00:02,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-24 13:00:02,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-24 13:00:02,732 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at [2024-10-24 13:00:02,732 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at [2024-10-24 13:00:03,123 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 13:00:03,126 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 13:00:04,573 INFO L? ?]: Removed 267 outVars from TransFormulas that were not future-live. [2024-10-24 13:00:04,574 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 13:00:04,692 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 13:00:04,696 INFO L314 CfgBuilder]: Removed 8 assume(true) statements. [2024-10-24 13:00:04,696 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:00:04 BoogieIcfgContainer [2024-10-24 13:00:04,697 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 13:00:04,699 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 13:00:04,699 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 13:00:04,703 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 13:00:04,703 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 12:59:59" (1/3) ... [2024-10-24 13:00:04,704 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2778056d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:00:04, skipping insertion in model container [2024-10-24 13:00:04,704 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:00:02" (2/3) ... [2024-10-24 13:00:04,704 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2778056d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:00:04, skipping insertion in model container [2024-10-24 13:00:04,704 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:00:04" (3/3) ... [2024-10-24 13:00:04,706 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_remove_harness.i [2024-10-24 13:00:04,721 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 13:00:04,722 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-24 13:00:04,803 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 13:00:04,810 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;@ccdcb7a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 13:00:04,814 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-24 13:00:04,820 INFO L276 IsEmpty]: Start isEmpty. Operand has 437 states, 240 states have (on average 1.2875) internal successors, (309), 245 states have internal predecessors, (309), 166 states have call successors, (166), 28 states have call predecessors, (166), 28 states have return successors, (166), 166 states have call predecessors, (166), 166 states have call successors, (166) [2024-10-24 13:00:04,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-10-24 13:00:04,843 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:00:04,844 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 13:00:04,845 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:00:04,850 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:00:04,851 INFO L85 PathProgramCache]: Analyzing trace with hash 1961259479, now seen corresponding path program 1 times [2024-10-24 13:00:04,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:00:04,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805716633] [2024-10-24 13:00:04,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:00:04,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:00:05,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:05,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:05,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:05,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:00:05,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:05,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:05,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:05,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 13:00:05,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:05,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-24 13:00:05,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:05,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 13:00:05,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:05,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 13:00:05,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:05,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 13:00:05,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:05,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 13:00:05,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:05,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-24 13:00:05,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:05,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 13:00:05,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:05,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:05,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:05,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-24 13:00:05,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:05,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 13:00:05,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:05,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:05,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:05,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-24 13:00:05,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:05,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-24 13:00:05,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:05,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-24 13:00:05,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:05,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:05,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:05,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 13:00:05,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:05,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:05,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:05,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-24 13:00:05,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:05,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-24 13:00:05,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:05,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-24 13:00:05,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:05,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-24 13:00:05,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:05,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 13:00:05,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:05,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 13:00:05,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:05,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 13:00:05,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:05,988 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2024-10-24 13:00:05,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:00:05,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805716633] [2024-10-24 13:00:05,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805716633] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:00:05,990 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:00:05,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 13:00:05,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725112297] [2024-10-24 13:00:05,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:00:05,996 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 13:00:05,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:00:06,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 13:00:06,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-24 13:00:06,027 INFO L87 Difference]: Start difference. First operand has 437 states, 240 states have (on average 1.2875) internal successors, (309), 245 states have internal predecessors, (309), 166 states have call successors, (166), 28 states have call predecessors, (166), 28 states have return successors, (166), 166 states have call predecessors, (166), 166 states have call successors, (166) Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (26), 6 states have call predecessors, (26), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-10-24 13:00:09,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:00:09,226 INFO L93 Difference]: Finished difference Result 1273 states and 2425 transitions. [2024-10-24 13:00:09,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 13:00:09,230 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (26), 6 states have call predecessors, (26), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 152 [2024-10-24 13:00:09,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:00:09,258 INFO L225 Difference]: With dead ends: 1273 [2024-10-24 13:00:09,259 INFO L226 Difference]: Without dead ends: 856 [2024-10-24 13:00:09,270 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-10-24 13:00:09,275 INFO L432 NwaCegarLoop]: 556 mSDtfsCounter, 647 mSDsluCounter, 541 mSDsCounter, 0 mSdLazyCounter, 1023 mSolverCounterSat, 1034 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 719 SdHoareTripleChecker+Valid, 1097 SdHoareTripleChecker+Invalid, 2057 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1034 IncrementalHoareTripleChecker+Valid, 1023 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-10-24 13:00:09,276 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [719 Valid, 1097 Invalid, 2057 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1034 Valid, 1023 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-10-24 13:00:09,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 856 states. [2024-10-24 13:00:09,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 856 to 434. [2024-10-24 13:00:09,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 434 states, 239 states have (on average 1.2426778242677825) internal successors, (297), 242 states have internal predecessors, (297), 166 states have call successors, (166), 28 states have call predecessors, (166), 27 states have return successors, (164), 164 states have call predecessors, (164), 164 states have call successors, (164) [2024-10-24 13:00:09,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 627 transitions. [2024-10-24 13:00:09,419 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 627 transitions. Word has length 152 [2024-10-24 13:00:09,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:00:09,421 INFO L471 AbstractCegarLoop]: Abstraction has 434 states and 627 transitions. [2024-10-24 13:00:09,422 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (26), 6 states have call predecessors, (26), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-10-24 13:00:09,422 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 627 transitions. [2024-10-24 13:00:09,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-10-24 13:00:09,430 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:00:09,430 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 13:00:09,431 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 13:00:09,431 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:00:09,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:00:09,431 INFO L85 PathProgramCache]: Analyzing trace with hash 220772718, now seen corresponding path program 1 times [2024-10-24 13:00:09,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:00:09,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272789699] [2024-10-24 13:00:09,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:00:09,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:00:09,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:10,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:10,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:10,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:00:10,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:10,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:10,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:10,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 13:00:10,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:10,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-24 13:00:10,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:10,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 13:00:10,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:10,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 13:00:10,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:10,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 13:00:10,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:10,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 13:00:10,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:10,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-24 13:00:10,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:10,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 13:00:10,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:10,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:10,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:10,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-24 13:00:10,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:10,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 13:00:10,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:10,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:10,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:10,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-24 13:00:10,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:10,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-24 13:00:10,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:10,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-24 13:00:10,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:10,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:10,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:10,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 13:00:10,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:10,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:10,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:10,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-24 13:00:10,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:10,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-24 13:00:10,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:10,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-24 13:00:10,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:10,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-24 13:00:10,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:10,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 13:00:10,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:10,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 13:00:10,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:10,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-24 13:00:10,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:10,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-24 13:00:10,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:10,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-24 13:00:10,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:10,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-24 13:00:10,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:10,488 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2024-10-24 13:00:10,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:00:10,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272789699] [2024-10-24 13:00:10,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1272789699] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 13:00:10,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1973904401] [2024-10-24 13:00:10,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:00:10,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 13:00:10,489 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 13:00:10,493 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) [2024-10-24 13:00:10,494 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-24 13:00:11,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:11,111 INFO L255 TraceCheckSpWp]: Trace formula consists of 2515 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-24 13:00:11,124 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 13:00:11,221 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2024-10-24 13:00:11,221 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 13:00:11,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1973904401] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:00:11,222 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 13:00:11,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2024-10-24 13:00:11,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408570382] [2024-10-24 13:00:11,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:00:11,224 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 13:00:11,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:00:11,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 13:00:11,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-10-24 13:00:11,228 INFO L87 Difference]: Start difference. First operand 434 states and 627 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 3 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2024-10-24 13:00:11,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:00:11,912 INFO L93 Difference]: Finished difference Result 825 states and 1209 transitions. [2024-10-24 13:00:11,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 13:00:11,913 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 3 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 169 [2024-10-24 13:00:11,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:00:11,920 INFO L225 Difference]: With dead ends: 825 [2024-10-24 13:00:11,922 INFO L226 Difference]: Without dead ends: 436 [2024-10-24 13:00:11,924 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 224 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-10-24 13:00:11,925 INFO L432 NwaCegarLoop]: 568 mSDtfsCounter, 42 mSDsluCounter, 1609 mSDsCounter, 0 mSdLazyCounter, 243 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 2177 SdHoareTripleChecker+Invalid, 244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 243 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-24 13:00:11,926 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 2177 Invalid, 244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 243 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-24 13:00:11,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2024-10-24 13:00:11,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 436. [2024-10-24 13:00:11,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 436 states, 240 states have (on average 1.2416666666666667) internal successors, (298), 244 states have internal predecessors, (298), 166 states have call successors, (166), 28 states have call predecessors, (166), 28 states have return successors, (177), 164 states have call predecessors, (177), 164 states have call successors, (177) [2024-10-24 13:00:11,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 436 states and 641 transitions. [2024-10-24 13:00:11,970 INFO L78 Accepts]: Start accepts. Automaton has 436 states and 641 transitions. Word has length 169 [2024-10-24 13:00:11,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:00:11,972 INFO L471 AbstractCegarLoop]: Abstraction has 436 states and 641 transitions. [2024-10-24 13:00:11,972 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 3 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2024-10-24 13:00:11,973 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 641 transitions. [2024-10-24 13:00:11,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-10-24 13:00:11,977 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:00:11,977 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 13:00:12,000 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-24 13:00:12,181 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 13:00:12,182 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:00:12,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:00:12,183 INFO L85 PathProgramCache]: Analyzing trace with hash -886426484, now seen corresponding path program 1 times [2024-10-24 13:00:12,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:00:12,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011478858] [2024-10-24 13:00:12,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:00:12,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:00:12,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:12,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:12,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:12,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:00:12,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:12,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:12,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:12,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 13:00:12,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:12,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-24 13:00:12,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:12,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 13:00:12,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:12,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 13:00:12,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:12,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 13:00:12,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:12,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 13:00:12,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:12,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-24 13:00:12,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:12,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 13:00:12,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:12,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:12,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:12,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-24 13:00:12,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:12,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 13:00:12,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:12,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:12,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:12,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-24 13:00:12,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:12,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:12,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:12,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 13:00:12,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:12,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 13:00:13,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:13,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:13,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:13,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-24 13:00:13,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:13,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:13,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:13,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 13:00:13,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:13,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-24 13:00:13,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:13,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 13:00:13,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:13,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-24 13:00:13,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:13,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-24 13:00:13,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:13,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 13:00:13,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:13,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 13:00:13,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:13,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-24 13:00:13,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:13,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-24 13:00:13,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:13,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-24 13:00:13,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:13,108 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 277 trivial. 0 not checked. [2024-10-24 13:00:13,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:00:13,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011478858] [2024-10-24 13:00:13,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2011478858] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 13:00:13,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1506681517] [2024-10-24 13:00:13,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:00:13,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 13:00:13,109 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 13:00:13,112 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) [2024-10-24 13:00:13,115 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-24 13:00:13,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:13,741 INFO L255 TraceCheckSpWp]: Trace formula consists of 2565 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-24 13:00:13,754 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 13:00:13,864 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2024-10-24 13:00:13,865 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 13:00:13,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1506681517] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:00:13,865 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 13:00:13,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [10] total 15 [2024-10-24 13:00:13,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52255913] [2024-10-24 13:00:13,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:00:13,866 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 13:00:13,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:00:13,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 13:00:13,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2024-10-24 13:00:13,868 INFO L87 Difference]: Start difference. First operand 436 states and 641 transitions. Second operand has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 4 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (29), 4 states have call predecessors, (29), 4 states have call successors, (29) [2024-10-24 13:00:14,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:00:14,808 INFO L93 Difference]: Finished difference Result 848 states and 1280 transitions. [2024-10-24 13:00:14,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 13:00:14,808 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 4 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (29), 4 states have call predecessors, (29), 4 states have call successors, (29) Word has length 177 [2024-10-24 13:00:14,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:00:14,813 INFO L225 Difference]: With dead ends: 848 [2024-10-24 13:00:14,813 INFO L226 Difference]: Without dead ends: 457 [2024-10-24 13:00:14,816 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 231 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2024-10-24 13:00:14,817 INFO L432 NwaCegarLoop]: 545 mSDtfsCounter, 69 mSDsluCounter, 2590 mSDsCounter, 0 mSdLazyCounter, 526 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 3135 SdHoareTripleChecker+Invalid, 528 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 526 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-24 13:00:14,817 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 3135 Invalid, 528 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 526 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-24 13:00:14,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2024-10-24 13:00:14,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 455. [2024-10-24 13:00:14,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 455 states, 256 states have (on average 1.25) internal successors, (320), 260 states have internal predecessors, (320), 168 states have call successors, (168), 28 states have call predecessors, (168), 29 states have return successors, (196), 167 states have call predecessors, (196), 166 states have call successors, (196) [2024-10-24 13:00:14,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 684 transitions. [2024-10-24 13:00:14,882 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 684 transitions. Word has length 177 [2024-10-24 13:00:14,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:00:14,884 INFO L471 AbstractCegarLoop]: Abstraction has 455 states and 684 transitions. [2024-10-24 13:00:14,884 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 4 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (29), 4 states have call predecessors, (29), 4 states have call successors, (29) [2024-10-24 13:00:14,885 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 684 transitions. [2024-10-24 13:00:14,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-10-24 13:00:14,888 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:00:14,888 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 13:00:14,909 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-24 13:00:15,088 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,SelfDestructingSolverStorable2 [2024-10-24 13:00:15,089 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:00:15,090 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:00:15,090 INFO L85 PathProgramCache]: Analyzing trace with hash 637671270, now seen corresponding path program 1 times [2024-10-24 13:00:15,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:00:15,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27874276] [2024-10-24 13:00:15,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:00:15,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:00:15,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:15,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:15,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:15,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:00:15,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:15,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:15,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:15,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 13:00:15,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:15,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-24 13:00:15,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:15,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 13:00:15,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:15,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 13:00:15,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:15,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 13:00:15,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:15,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 13:00:15,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:15,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-24 13:00:15,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:15,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 13:00:15,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:15,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:15,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:15,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-24 13:00:15,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:15,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 13:00:15,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:15,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:15,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:15,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-24 13:00:15,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:16,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:16,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:16,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:16,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:16,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:16,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:16,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 13:00:16,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:16,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-24 13:00:16,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:16,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:16,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:16,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 13:00:16,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:16,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:16,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:16,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-24 13:00:16,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:16,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-24 13:00:16,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:16,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-24 13:00:16,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:16,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 13:00:16,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:16,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-24 13:00:16,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:16,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-24 13:00:16,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:16,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-24 13:00:16,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:16,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-24 13:00:16,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:16,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-24 13:00:16,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:16,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-24 13:00:16,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:16,219 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 283 trivial. 0 not checked. [2024-10-24 13:00:16,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:00:16,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27874276] [2024-10-24 13:00:16,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [27874276] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 13:00:16,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [70083682] [2024-10-24 13:00:16,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:00:16,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 13:00:16,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 13:00:16,222 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) [2024-10-24 13:00:16,223 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-24 13:00:16,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:16,813 INFO L255 TraceCheckSpWp]: Trace formula consists of 2684 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-24 13:00:16,823 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 13:00:16,929 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2024-10-24 13:00:16,930 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 13:00:16,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [70083682] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:00:16,931 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 13:00:16,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 14 [2024-10-24 13:00:16,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695925745] [2024-10-24 13:00:16,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:00:16,933 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 13:00:16,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:00:16,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 13:00:16,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2024-10-24 13:00:16,934 INFO L87 Difference]: Start difference. First operand 455 states and 684 transitions. Second operand has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 6 states have internal predecessors, (73), 4 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2024-10-24 13:00:17,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:00:17,812 INFO L93 Difference]: Finished difference Result 871 states and 1339 transitions. [2024-10-24 13:00:17,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 13:00:17,813 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 6 states have internal predecessors, (73), 4 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) Word has length 190 [2024-10-24 13:00:17,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:00:17,819 INFO L225 Difference]: With dead ends: 871 [2024-10-24 13:00:17,819 INFO L226 Difference]: Without dead ends: 461 [2024-10-24 13:00:17,822 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 261 GetRequests, 249 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2024-10-24 13:00:17,824 INFO L432 NwaCegarLoop]: 562 mSDtfsCounter, 59 mSDsluCounter, 2115 mSDsCounter, 0 mSdLazyCounter, 352 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 2677 SdHoareTripleChecker+Invalid, 354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 352 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-24 13:00:17,825 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 2677 Invalid, 354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 352 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-24 13:00:17,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461 states. [2024-10-24 13:00:17,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 455. [2024-10-24 13:00:17,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 455 states, 256 states have (on average 1.25) internal successors, (320), 260 states have internal predecessors, (320), 168 states have call successors, (168), 28 states have call predecessors, (168), 29 states have return successors, (196), 167 states have call predecessors, (196), 166 states have call successors, (196) [2024-10-24 13:00:17,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 684 transitions. [2024-10-24 13:00:17,860 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 684 transitions. Word has length 190 [2024-10-24 13:00:17,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:00:17,861 INFO L471 AbstractCegarLoop]: Abstraction has 455 states and 684 transitions. [2024-10-24 13:00:17,861 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 6 states have internal predecessors, (73), 4 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2024-10-24 13:00:17,861 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 684 transitions. [2024-10-24 13:00:17,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-10-24 13:00:17,864 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:00:17,864 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 13:00:17,888 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-24 13:00:18,064 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 13:00:18,065 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:00:18,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:00:18,066 INFO L85 PathProgramCache]: Analyzing trace with hash -642199333, now seen corresponding path program 1 times [2024-10-24 13:00:18,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:00:18,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469668281] [2024-10-24 13:00:18,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:00:18,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:00:18,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:18,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:18,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:18,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:00:18,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:18,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:18,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:18,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 13:00:18,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:18,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-24 13:00:18,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:18,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 13:00:18,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:18,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 13:00:18,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:18,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 13:00:18,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:18,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 13:00:18,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:18,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-24 13:00:18,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:18,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 13:00:18,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:18,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:18,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:18,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-24 13:00:18,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:18,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 13:00:18,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:18,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:18,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:18,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-24 13:00:18,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:19,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:19,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:19,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:19,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:19,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:19,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:19,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-24 13:00:19,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:19,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-24 13:00:19,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:19,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-24 13:00:19,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:19,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:19,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:19,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-24 13:00:19,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:19,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:19,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:19,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-24 13:00:19,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:19,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-24 13:00:19,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:19,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-24 13:00:19,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:19,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-24 13:00:19,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:19,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-24 13:00:19,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:19,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-24 13:00:19,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:19,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-24 13:00:19,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:19,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-24 13:00:19,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:19,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-24 13:00:19,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:19,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-24 13:00:19,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:19,232 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 286 trivial. 0 not checked. [2024-10-24 13:00:19,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:00:19,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469668281] [2024-10-24 13:00:19,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [469668281] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 13:00:19,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [422404506] [2024-10-24 13:00:19,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:00:19,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 13:00:19,233 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 13:00:19,235 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) [2024-10-24 13:00:19,236 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-24 13:00:19,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:19,869 INFO L255 TraceCheckSpWp]: Trace formula consists of 2751 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-24 13:00:19,875 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 13:00:20,032 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2024-10-24 13:00:20,032 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 13:00:20,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [422404506] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:00:20,033 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 13:00:20,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [12] total 18 [2024-10-24 13:00:20,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308301273] [2024-10-24 13:00:20,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:00:20,033 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 13:00:20,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:00:20,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 13:00:20,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2024-10-24 13:00:20,035 INFO L87 Difference]: Start difference. First operand 455 states and 684 transitions. Second operand has 8 states, 8 states have (on average 10.875) internal successors, (87), 8 states have internal predecessors, (87), 5 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (32), 5 states have call predecessors, (32), 5 states have call successors, (32) [2024-10-24 13:00:21,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:00:21,553 INFO L93 Difference]: Finished difference Result 882 states and 1344 transitions. [2024-10-24 13:00:21,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-24 13:00:21,554 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.875) internal successors, (87), 8 states have internal predecessors, (87), 5 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (32), 5 states have call predecessors, (32), 5 states have call successors, (32) Word has length 206 [2024-10-24 13:00:21,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:00:21,560 INFO L225 Difference]: With dead ends: 882 [2024-10-24 13:00:21,560 INFO L226 Difference]: Without dead ends: 472 [2024-10-24 13:00:21,563 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 282 GetRequests, 264 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=50, Invalid=330, Unknown=0, NotChecked=0, Total=380 [2024-10-24 13:00:21,564 INFO L432 NwaCegarLoop]: 539 mSDtfsCounter, 94 mSDsluCounter, 3066 mSDsCounter, 0 mSdLazyCounter, 667 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 3605 SdHoareTripleChecker+Invalid, 676 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 667 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-24 13:00:21,564 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 3605 Invalid, 676 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 667 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-24 13:00:21,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 472 states. [2024-10-24 13:00:21,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 472 to 455. [2024-10-24 13:00:21,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 455 states, 256 states have (on average 1.25) internal successors, (320), 260 states have internal predecessors, (320), 168 states have call successors, (168), 28 states have call predecessors, (168), 29 states have return successors, (196), 167 states have call predecessors, (196), 166 states have call successors, (196) [2024-10-24 13:00:21,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 684 transitions. [2024-10-24 13:00:21,595 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 684 transitions. Word has length 206 [2024-10-24 13:00:21,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:00:21,596 INFO L471 AbstractCegarLoop]: Abstraction has 455 states and 684 transitions. [2024-10-24 13:00:21,596 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.875) internal successors, (87), 8 states have internal predecessors, (87), 5 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (32), 5 states have call predecessors, (32), 5 states have call successors, (32) [2024-10-24 13:00:21,596 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 684 transitions. [2024-10-24 13:00:21,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2024-10-24 13:00:21,599 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:00:21,599 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 13:00:21,623 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-24 13:00:21,800 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 13:00:21,800 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:00:21,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:00:21,801 INFO L85 PathProgramCache]: Analyzing trace with hash -1225013311, now seen corresponding path program 2 times [2024-10-24 13:00:21,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:00:21,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802687724] [2024-10-24 13:00:21,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:00:21,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:00:21,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:22,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:22,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:22,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:00:22,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:22,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:22,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:22,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 13:00:22,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:22,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-24 13:00:22,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:22,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 13:00:22,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:22,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 13:00:22,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:22,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 13:00:22,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:22,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 13:00:22,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:22,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-24 13:00:22,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:22,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 13:00:22,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:22,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:22,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:22,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-24 13:00:22,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:22,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 13:00:22,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:22,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:22,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:22,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-24 13:00:22,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:22,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:22,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:22,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:22,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:22,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:22,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:22,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-24 13:00:22,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:22,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:22,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:22,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:22,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:22,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-24 13:00:22,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:22,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-24 13:00:22,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:22,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:22,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:22,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 13:00:22,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:22,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:22,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:22,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-24 13:00:22,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:22,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-24 13:00:22,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:22,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-24 13:00:22,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:22,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-24 13:00:22,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:22,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 13:00:22,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:22,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-24 13:00:22,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:22,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-24 13:00:22,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:22,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-24 13:00:22,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:22,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-10-24 13:00:22,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:22,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-24 13:00:22,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:22,868 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 308 trivial. 0 not checked. [2024-10-24 13:00:22,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:00:22,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802687724] [2024-10-24 13:00:22,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [802687724] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:00:22,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:00:22,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-24 13:00:22,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132054828] [2024-10-24 13:00:22,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:00:22,870 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 13:00:22,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:00:22,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 13:00:22,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-10-24 13:00:22,871 INFO L87 Difference]: Start difference. First operand 455 states and 684 transitions. Second operand has 10 states, 9 states have (on average 8.777777777777779) internal successors, (79), 6 states have internal predecessors, (79), 4 states have call successors, (34), 6 states have call predecessors, (34), 2 states have return successors, (32), 3 states have call predecessors, (32), 4 states have call successors, (32) [2024-10-24 13:00:27,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:00:27,431 INFO L93 Difference]: Finished difference Result 1123 states and 1848 transitions. [2024-10-24 13:00:27,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-24 13:00:27,432 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 8.777777777777779) internal successors, (79), 6 states have internal predecessors, (79), 4 states have call successors, (34), 6 states have call predecessors, (34), 2 states have return successors, (32), 3 states have call predecessors, (32), 4 states have call successors, (32) Word has length 219 [2024-10-24 13:00:27,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:00:27,440 INFO L225 Difference]: With dead ends: 1123 [2024-10-24 13:00:27,440 INFO L226 Difference]: Without dead ends: 747 [2024-10-24 13:00:27,443 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2024-10-24 13:00:27,444 INFO L432 NwaCegarLoop]: 515 mSDtfsCounter, 629 mSDsluCounter, 2208 mSDsCounter, 0 mSdLazyCounter, 3259 mSolverCounterSat, 947 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 674 SdHoareTripleChecker+Valid, 2723 SdHoareTripleChecker+Invalid, 4206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 947 IncrementalHoareTripleChecker+Valid, 3259 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-10-24 13:00:27,445 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [674 Valid, 2723 Invalid, 4206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [947 Valid, 3259 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2024-10-24 13:00:27,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 747 states. [2024-10-24 13:00:27,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 747 to 457. [2024-10-24 13:00:27,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 457 states, 257 states have (on average 1.2490272373540856) internal successors, (321), 262 states have internal predecessors, (321), 168 states have call successors, (168), 28 states have call predecessors, (168), 30 states have return successors, (207), 167 states have call predecessors, (207), 166 states have call successors, (207) [2024-10-24 13:00:27,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 457 states and 696 transitions. [2024-10-24 13:00:27,484 INFO L78 Accepts]: Start accepts. Automaton has 457 states and 696 transitions. Word has length 219 [2024-10-24 13:00:27,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:00:27,485 INFO L471 AbstractCegarLoop]: Abstraction has 457 states and 696 transitions. [2024-10-24 13:00:27,485 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.777777777777779) internal successors, (79), 6 states have internal predecessors, (79), 4 states have call successors, (34), 6 states have call predecessors, (34), 2 states have return successors, (32), 3 states have call predecessors, (32), 4 states have call successors, (32) [2024-10-24 13:00:27,485 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 696 transitions. [2024-10-24 13:00:27,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2024-10-24 13:00:27,488 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:00:27,488 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 13:00:27,488 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 13:00:27,488 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:00:27,489 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:00:27,489 INFO L85 PathProgramCache]: Analyzing trace with hash -796648481, now seen corresponding path program 1 times [2024-10-24 13:00:27,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:00:27,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587745970] [2024-10-24 13:00:27,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:00:27,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:00:27,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:28,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:28,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:28,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:00:28,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:28,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:28,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:28,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 13:00:28,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:28,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-24 13:00:28,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:28,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 13:00:28,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:28,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 13:00:28,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:28,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 13:00:28,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:28,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 13:00:28,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:28,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-24 13:00:28,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:28,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 13:00:28,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:28,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:28,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:28,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-24 13:00:28,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:28,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 13:00:28,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:28,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:28,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:28,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-24 13:00:28,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:28,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:28,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:28,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:28,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:28,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:28,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:28,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-24 13:00:28,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:28,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:28,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:28,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:28,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:28,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-24 13:00:28,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:28,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-24 13:00:28,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:28,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:28,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:28,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 13:00:28,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:28,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:28,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:28,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-24 13:00:28,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:28,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-24 13:00:28,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:28,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-24 13:00:28,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:28,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:28,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:28,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-24 13:00:28,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:28,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-24 13:00:28,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:28,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-24 13:00:28,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:28,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-24 13:00:28,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:28,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-24 13:00:28,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:28,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-24 13:00:28,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:28,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-24 13:00:28,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:28,635 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 13 proven. 6 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-24 13:00:28,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:00:28,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587745970] [2024-10-24 13:00:28,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [587745970] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 13:00:28,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1038973660] [2024-10-24 13:00:28,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:00:28,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 13:00:28,636 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 13:00:28,638 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) [2024-10-24 13:00:28,639 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-24 13:00:29,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:29,369 INFO L255 TraceCheckSpWp]: Trace formula consists of 2920 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-24 13:00:29,376 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 13:00:29,531 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 157 proven. 0 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2024-10-24 13:00:29,534 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 13:00:29,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1038973660] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:00:29,534 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 13:00:29,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [12] total 18 [2024-10-24 13:00:29,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019771686] [2024-10-24 13:00:29,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:00:29,535 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 13:00:29,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:00:29,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 13:00:29,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2024-10-24 13:00:29,536 INFO L87 Difference]: Start difference. First operand 457 states and 696 transitions. Second operand has 8 states, 7 states have (on average 12.857142857142858) internal successors, (90), 8 states have internal predecessors, (90), 5 states have call successors, (35), 2 states have call predecessors, (35), 4 states have return successors, (33), 4 states have call predecessors, (33), 5 states have call successors, (33) [2024-10-24 13:00:30,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:00:30,764 INFO L93 Difference]: Finished difference Result 851 states and 1317 transitions. [2024-10-24 13:00:30,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 13:00:30,765 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 12.857142857142858) internal successors, (90), 8 states have internal predecessors, (90), 5 states have call successors, (35), 2 states have call predecessors, (35), 4 states have return successors, (33), 4 states have call predecessors, (33), 5 states have call successors, (33) Word has length 227 [2024-10-24 13:00:30,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:00:30,770 INFO L225 Difference]: With dead ends: 851 [2024-10-24 13:00:30,770 INFO L226 Difference]: Without dead ends: 473 [2024-10-24 13:00:30,773 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 309 GetRequests, 291 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2024-10-24 13:00:30,773 INFO L432 NwaCegarLoop]: 564 mSDtfsCounter, 79 mSDsluCounter, 3205 mSDsCounter, 0 mSdLazyCounter, 612 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 3769 SdHoareTripleChecker+Invalid, 634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 612 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-24 13:00:30,774 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 3769 Invalid, 634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 612 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-24 13:00:30,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2024-10-24 13:00:30,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 471. [2024-10-24 13:00:30,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 471 states, 270 states have (on average 1.2555555555555555) internal successors, (339), 274 states have internal predecessors, (339), 169 states have call successors, (169), 28 states have call predecessors, (169), 30 states have return successors, (208), 169 states have call predecessors, (208), 167 states have call successors, (208) [2024-10-24 13:00:30,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 471 states and 716 transitions. [2024-10-24 13:00:30,802 INFO L78 Accepts]: Start accepts. Automaton has 471 states and 716 transitions. Word has length 227 [2024-10-24 13:00:30,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:00:30,803 INFO L471 AbstractCegarLoop]: Abstraction has 471 states and 716 transitions. [2024-10-24 13:00:30,803 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 12.857142857142858) internal successors, (90), 8 states have internal predecessors, (90), 5 states have call successors, (35), 2 states have call predecessors, (35), 4 states have return successors, (33), 4 states have call predecessors, (33), 5 states have call successors, (33) [2024-10-24 13:00:30,803 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 716 transitions. [2024-10-24 13:00:30,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2024-10-24 13:00:30,806 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:00:30,806 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-10-24 13:00:30,830 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-10-24 13:00:31,010 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 13:00:31,011 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:00:31,011 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:00:31,012 INFO L85 PathProgramCache]: Analyzing trace with hash 510604801, now seen corresponding path program 2 times [2024-10-24 13:00:31,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:00:31,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86897649] [2024-10-24 13:00:31,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:00:31,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:00:31,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:31,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:31,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:31,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:00:31,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:31,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:31,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:31,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 13:00:31,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:31,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-24 13:00:31,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:31,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 13:00:31,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:31,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 13:00:31,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:31,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 13:00:31,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:31,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 13:00:31,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:31,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-24 13:00:31,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:31,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 13:00:31,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:31,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:31,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:31,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-24 13:00:31,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:31,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 13:00:31,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:31,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:31,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:31,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-24 13:00:31,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:32,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:32,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:32,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:32,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:32,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:32,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:32,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-24 13:00:32,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:32,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:32,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:32,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:32,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:32,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-24 13:00:32,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:32,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-24 13:00:32,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:32,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:32,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:32,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 13:00:32,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:32,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:32,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:32,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-24 13:00:32,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:32,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-24 13:00:32,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:32,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-24 13:00:32,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:32,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:32,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:32,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:32,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:32,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:32,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:32,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-24 13:00:32,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:32,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-24 13:00:32,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:32,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-24 13:00:32,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:32,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-24 13:00:32,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:32,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-10-24 13:00:32,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:32,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-10-24 13:00:32,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:32,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-10-24 13:00:32,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:32,349 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 355 trivial. 0 not checked. [2024-10-24 13:00:32,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:00:32,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86897649] [2024-10-24 13:00:32,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86897649] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 13:00:32,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [861534924] [2024-10-24 13:00:32,350 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-24 13:00:32,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 13:00:32,350 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 13:00:32,352 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) [2024-10-24 13:00:32,354 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-24 13:00:33,082 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-24 13:00:33,082 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 13:00:33,093 INFO L255 TraceCheckSpWp]: Trace formula consists of 3039 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-24 13:00:33,098 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 13:00:33,218 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 151 proven. 0 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2024-10-24 13:00:33,219 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 13:00:33,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [861534924] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:00:33,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 13:00:33,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [11] total 16 [2024-10-24 13:00:33,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844469801] [2024-10-24 13:00:33,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:00:33,220 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 13:00:33,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:00:33,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 13:00:33,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=208, Unknown=0, NotChecked=0, Total=240 [2024-10-24 13:00:33,221 INFO L87 Difference]: Start difference. First operand 471 states and 716 transitions. Second operand has 7 states, 6 states have (on average 14.5) internal successors, (87), 7 states have internal predecessors, (87), 5 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (33), 4 states have call predecessors, (33), 5 states have call successors, (33) [2024-10-24 13:00:34,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:00:34,097 INFO L93 Difference]: Finished difference Result 869 states and 1351 transitions. [2024-10-24 13:00:34,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 13:00:34,098 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 14.5) internal successors, (87), 7 states have internal predecessors, (87), 5 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (33), 4 states have call predecessors, (33), 5 states have call successors, (33) Word has length 240 [2024-10-24 13:00:34,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:00:34,106 INFO L225 Difference]: With dead ends: 869 [2024-10-24 13:00:34,107 INFO L226 Difference]: Without dead ends: 477 [2024-10-24 13:00:34,109 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 327 GetRequests, 312 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=236, Unknown=0, NotChecked=0, Total=272 [2024-10-24 13:00:34,111 INFO L432 NwaCegarLoop]: 562 mSDtfsCounter, 69 mSDsluCounter, 2651 mSDsCounter, 0 mSdLazyCounter, 416 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 3213 SdHoareTripleChecker+Invalid, 438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 416 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-24 13:00:34,111 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 3213 Invalid, 438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 416 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-24 13:00:34,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 477 states. [2024-10-24 13:00:34,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 477 to 471. [2024-10-24 13:00:34,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 471 states, 270 states have (on average 1.2555555555555555) internal successors, (339), 274 states have internal predecessors, (339), 169 states have call successors, (169), 28 states have call predecessors, (169), 30 states have return successors, (208), 169 states have call predecessors, (208), 167 states have call successors, (208) [2024-10-24 13:00:34,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 471 states and 716 transitions. [2024-10-24 13:00:34,144 INFO L78 Accepts]: Start accepts. Automaton has 471 states and 716 transitions. Word has length 240 [2024-10-24 13:00:34,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:00:34,145 INFO L471 AbstractCegarLoop]: Abstraction has 471 states and 716 transitions. [2024-10-24 13:00:34,145 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 14.5) internal successors, (87), 7 states have internal predecessors, (87), 5 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (33), 4 states have call predecessors, (33), 5 states have call successors, (33) [2024-10-24 13:00:34,145 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 716 transitions. [2024-10-24 13:00:34,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2024-10-24 13:00:34,148 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:00:34,148 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 13:00:34,174 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-24 13:00:34,349 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 13:00:34,349 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:00:34,349 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:00:34,350 INFO L85 PathProgramCache]: Analyzing trace with hash -1450301548, now seen corresponding path program 1 times [2024-10-24 13:00:34,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:00:34,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699713016] [2024-10-24 13:00:34,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:00:34,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:00:34,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:35,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:35,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:35,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:00:35,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:35,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:35,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:35,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 13:00:35,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:35,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-24 13:00:35,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:35,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 13:00:35,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:35,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 13:00:35,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:35,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 13:00:35,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:35,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 13:00:35,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:35,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-24 13:00:35,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:35,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 13:00:35,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:35,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:35,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:35,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-24 13:00:35,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:35,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 13:00:35,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:35,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:35,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:35,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-24 13:00:35,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:35,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:35,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:35,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:35,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:35,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:35,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:35,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-24 13:00:35,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:35,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:35,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:35,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:35,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:35,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-24 13:00:35,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:35,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-24 13:00:35,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:35,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:35,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:35,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 13:00:35,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:35,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:35,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:35,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-24 13:00:35,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:35,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-24 13:00:35,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:35,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-24 13:00:35,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:35,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:35,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:35,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:35,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:35,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:35,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:35,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-24 13:00:35,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:35,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:35,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:35,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:35,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:35,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-24 13:00:35,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:35,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-10-24 13:00:35,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:35,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-10-24 13:00:35,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:35,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-24 13:00:35,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:35,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-24 13:00:35,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:35,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-10-24 13:00:35,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:35,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-24 13:00:35,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:35,777 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2024-10-24 13:00:35,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:00:35,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699713016] [2024-10-24 13:00:35,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1699713016] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 13:00:35,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [606480204] [2024-10-24 13:00:35,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:00:35,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 13:00:35,779 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 13:00:35,780 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 13:00:35,782 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-24 13:00:36,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:36,583 INFO L255 TraceCheckSpWp]: Trace formula consists of 3225 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-24 13:00:36,589 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 13:00:36,718 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 356 trivial. 0 not checked. [2024-10-24 13:00:36,718 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 13:00:36,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [606480204] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:00:36,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 13:00:36,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [11] total 17 [2024-10-24 13:00:36,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335692829] [2024-10-24 13:00:36,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:00:36,719 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 13:00:36,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:00:36,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 13:00:36,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=238, Unknown=0, NotChecked=0, Total=272 [2024-10-24 13:00:36,721 INFO L87 Difference]: Start difference. First operand 471 states and 716 transitions. Second operand has 8 states, 8 states have (on average 10.5) internal successors, (84), 7 states have internal predecessors, (84), 5 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (32), 5 states have call predecessors, (32), 5 states have call successors, (32) [2024-10-24 13:00:38,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:00:38,063 INFO L93 Difference]: Finished difference Result 866 states and 1329 transitions. [2024-10-24 13:00:38,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 13:00:38,064 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.5) internal successors, (84), 7 states have internal predecessors, (84), 5 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (32), 5 states have call predecessors, (32), 5 states have call successors, (32) Word has length 269 [2024-10-24 13:00:38,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:00:38,069 INFO L225 Difference]: With dead ends: 866 [2024-10-24 13:00:38,069 INFO L226 Difference]: Without dead ends: 482 [2024-10-24 13:00:38,072 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 363 GetRequests, 346 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=42, Invalid=300, Unknown=0, NotChecked=0, Total=342 [2024-10-24 13:00:38,074 INFO L432 NwaCegarLoop]: 557 mSDtfsCounter, 66 mSDsluCounter, 3207 mSDsCounter, 0 mSdLazyCounter, 509 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 3764 SdHoareTripleChecker+Invalid, 535 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 509 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-24 13:00:38,074 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 3764 Invalid, 535 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 509 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-24 13:00:38,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 482 states. [2024-10-24 13:00:38,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 482 to 482. [2024-10-24 13:00:38,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 482 states, 275 states have (on average 1.2545454545454546) internal successors, (345), 279 states have internal predecessors, (345), 174 states have call successors, (174), 29 states have call predecessors, (174), 31 states have return successors, (213), 174 states have call predecessors, (213), 172 states have call successors, (213) [2024-10-24 13:00:38,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 732 transitions. [2024-10-24 13:00:38,107 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 732 transitions. Word has length 269 [2024-10-24 13:00:38,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:00:38,107 INFO L471 AbstractCegarLoop]: Abstraction has 482 states and 732 transitions. [2024-10-24 13:00:38,108 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.5) internal successors, (84), 7 states have internal predecessors, (84), 5 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (32), 5 states have call predecessors, (32), 5 states have call successors, (32) [2024-10-24 13:00:38,108 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 732 transitions. [2024-10-24 13:00:38,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2024-10-24 13:00:38,109 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:00:38,110 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 13:00:38,133 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-10-24 13:00:38,310 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 13:00:38,311 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:00:38,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:00:38,311 INFO L85 PathProgramCache]: Analyzing trace with hash 1523519892, now seen corresponding path program 2 times [2024-10-24 13:00:38,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:00:38,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366730123] [2024-10-24 13:00:38,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:00:38,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:00:38,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:39,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:39,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:39,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:00:39,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:39,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:39,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:39,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 13:00:39,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:39,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-24 13:00:39,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:39,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 13:00:39,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:39,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 13:00:39,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:39,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 13:00:39,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:39,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 13:00:39,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:39,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-24 13:00:39,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:39,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 13:00:39,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:39,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:39,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:39,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-24 13:00:39,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:39,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 13:00:39,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:39,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:39,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:39,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-24 13:00:39,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:39,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:39,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:39,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:39,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:39,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:39,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:39,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-24 13:00:39,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:39,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:39,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:39,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:39,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:39,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-24 13:00:39,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:39,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-24 13:00:39,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:39,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:39,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:39,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 13:00:39,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:39,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:39,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:39,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-24 13:00:39,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:39,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-24 13:00:39,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:39,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-24 13:00:39,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:39,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:39,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:39,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:39,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:39,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:39,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:39,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-24 13:00:39,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:39,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-24 13:00:39,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:39,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-24 13:00:39,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:39,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-24 13:00:39,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:39,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-24 13:00:39,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:39,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-10-24 13:00:39,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:39,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:39,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:39,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:39,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:39,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-10-24 13:00:39,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:39,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-24 13:00:39,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:39,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:39,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:39,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:39,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:39,774 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 478 trivial. 0 not checked. [2024-10-24 13:00:39,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:00:39,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366730123] [2024-10-24 13:00:39,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1366730123] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 13:00:39,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2111664633] [2024-10-24 13:00:39,774 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-24 13:00:39,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 13:00:39,775 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 13:00:39,776 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 13:00:39,778 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-24 13:00:40,879 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-24 13:00:40,880 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 13:00:40,890 INFO L255 TraceCheckSpWp]: Trace formula consists of 3344 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-24 13:00:40,898 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 13:00:41,061 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 258 proven. 0 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2024-10-24 13:00:41,061 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 13:00:41,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2111664633] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:00:41,062 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 13:00:41,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [11] total 18 [2024-10-24 13:00:41,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243518398] [2024-10-24 13:00:41,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:00:41,063 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 13:00:41,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:00:41,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 13:00:41,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=270, Unknown=0, NotChecked=0, Total=306 [2024-10-24 13:00:41,064 INFO L87 Difference]: Start difference. First operand 482 states and 732 transitions. Second operand has 9 states, 8 states have (on average 13.75) internal successors, (110), 9 states have internal predecessors, (110), 6 states have call successors, (38), 2 states have call predecessors, (38), 4 states have return successors, (36), 5 states have call predecessors, (36), 6 states have call successors, (36) [2024-10-24 13:00:42,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:00:42,367 INFO L93 Difference]: Finished difference Result 886 states and 1356 transitions. [2024-10-24 13:00:42,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-24 13:00:42,368 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 13.75) internal successors, (110), 9 states have internal predecessors, (110), 6 states have call successors, (38), 2 states have call predecessors, (38), 4 states have return successors, (36), 5 states have call predecessors, (36), 6 states have call successors, (36) Word has length 282 [2024-10-24 13:00:42,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:00:42,372 INFO L225 Difference]: With dead ends: 886 [2024-10-24 13:00:42,372 INFO L226 Difference]: Without dead ends: 483 [2024-10-24 13:00:42,375 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 382 GetRequests, 363 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=372, Unknown=0, NotChecked=0, Total=420 [2024-10-24 13:00:42,375 INFO L432 NwaCegarLoop]: 541 mSDtfsCounter, 104 mSDsluCounter, 3593 mSDsCounter, 0 mSdLazyCounter, 754 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 4134 SdHoareTripleChecker+Invalid, 783 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 754 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-24 13:00:42,376 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 4134 Invalid, 783 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 754 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-24 13:00:42,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2024-10-24 13:00:42,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 466. [2024-10-24 13:00:42,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 466 states, 261 states have (on average 1.2490421455938698) internal successors, (326), 265 states have internal predecessors, (326), 173 states have call successors, (173), 29 states have call predecessors, (173), 30 states have return successors, (199), 172 states have call predecessors, (199), 171 states have call successors, (199) [2024-10-24 13:00:42,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 466 states and 698 transitions. [2024-10-24 13:00:42,403 INFO L78 Accepts]: Start accepts. Automaton has 466 states and 698 transitions. Word has length 282 [2024-10-24 13:00:42,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:00:42,404 INFO L471 AbstractCegarLoop]: Abstraction has 466 states and 698 transitions. [2024-10-24 13:00:42,404 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 13.75) internal successors, (110), 9 states have internal predecessors, (110), 6 states have call successors, (38), 2 states have call predecessors, (38), 4 states have return successors, (36), 5 states have call predecessors, (36), 6 states have call successors, (36) [2024-10-24 13:00:42,404 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 698 transitions. [2024-10-24 13:00:42,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2024-10-24 13:00:42,406 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:00:42,406 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 13:00:42,433 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-10-24 13:00:42,606 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-10-24 13:00:42,607 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:00:42,607 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:00:42,608 INFO L85 PathProgramCache]: Analyzing trace with hash -1171190606, now seen corresponding path program 1 times [2024-10-24 13:00:42,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:00:42,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761874255] [2024-10-24 13:00:42,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:00:42,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:00:42,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:43,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:43,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:43,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:00:43,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:43,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:43,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:43,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 13:00:43,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:43,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-24 13:00:43,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:43,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 13:00:43,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:43,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 13:00:43,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:43,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 13:00:43,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:43,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 13:00:43,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:43,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-24 13:00:43,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:43,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 13:00:43,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:43,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:43,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:43,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-24 13:00:43,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:43,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 13:00:43,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:43,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:43,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:43,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-24 13:00:43,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:43,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:43,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:43,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:43,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:43,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:43,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:43,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-24 13:00:43,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:43,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:43,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:43,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:43,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:43,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-24 13:00:43,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:43,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-24 13:00:43,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:43,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:43,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:43,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 13:00:43,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:43,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:43,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:43,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-24 13:00:43,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:43,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-24 13:00:43,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:43,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-24 13:00:43,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:43,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:43,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:43,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:43,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:43,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:43,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:43,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-24 13:00:43,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:43,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:43,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:43,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:43,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:43,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-24 13:00:43,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:43,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-10-24 13:00:43,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:43,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-10-24 13:00:43,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:43,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-24 13:00:43,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:43,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-24 13:00:43,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:43,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:43,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:43,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:43,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:43,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-10-24 13:00:43,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:43,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-10-24 13:00:43,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:43,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:43,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:43,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:43,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:43,994 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 543 trivial. 0 not checked. [2024-10-24 13:00:43,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:00:43,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761874255] [2024-10-24 13:00:43,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [761874255] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 13:00:43,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [560782693] [2024-10-24 13:00:43,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:00:43,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 13:00:43,995 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 13:00:43,997 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 13:00:43,998 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-24 13:00:44,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:44,867 INFO L255 TraceCheckSpWp]: Trace formula consists of 3463 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-10-24 13:00:44,920 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 13:00:45,084 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 234 proven. 0 refuted. 0 times theorem prover too weak. 311 trivial. 0 not checked. [2024-10-24 13:00:45,084 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 13:00:45,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [560782693] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:00:45,084 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 13:00:45,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [11] total 16 [2024-10-24 13:00:45,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798976961] [2024-10-24 13:00:45,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:00:45,085 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 13:00:45,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:00:45,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 13:00:45,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=208, Unknown=0, NotChecked=0, Total=240 [2024-10-24 13:00:45,090 INFO L87 Difference]: Start difference. First operand 466 states and 698 transitions. Second operand has 9 states, 8 states have (on average 11.875) internal successors, (95), 8 states have internal predecessors, (95), 4 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (34), 5 states have call predecessors, (34), 4 states have call successors, (34) [2024-10-24 13:00:45,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:00:45,600 INFO L93 Difference]: Finished difference Result 889 states and 1340 transitions. [2024-10-24 13:00:45,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 13:00:45,601 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 11.875) internal successors, (95), 8 states have internal predecessors, (95), 4 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (34), 5 states have call predecessors, (34), 4 states have call successors, (34) Word has length 295 [2024-10-24 13:00:45,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:00:45,606 INFO L225 Difference]: With dead ends: 889 [2024-10-24 13:00:45,606 INFO L226 Difference]: Without dead ends: 468 [2024-10-24 13:00:45,608 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 395 GetRequests, 381 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=32, Invalid=208, Unknown=0, NotChecked=0, Total=240 [2024-10-24 13:00:45,609 INFO L432 NwaCegarLoop]: 570 mSDtfsCounter, 1 mSDsluCounter, 3891 mSDsCounter, 0 mSdLazyCounter, 623 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 4461 SdHoareTripleChecker+Invalid, 625 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 623 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-24 13:00:45,609 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 4461 Invalid, 625 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 623 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-24 13:00:45,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 468 states. [2024-10-24 13:00:45,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 468 to 468. [2024-10-24 13:00:45,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 468 states, 262 states have (on average 1.248091603053435) internal successors, (327), 267 states have internal predecessors, (327), 173 states have call successors, (173), 29 states have call predecessors, (173), 31 states have return successors, (202), 172 states have call predecessors, (202), 171 states have call successors, (202) [2024-10-24 13:00:45,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 702 transitions. [2024-10-24 13:00:45,641 INFO L78 Accepts]: Start accepts. Automaton has 468 states and 702 transitions. Word has length 295 [2024-10-24 13:00:45,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:00:45,643 INFO L471 AbstractCegarLoop]: Abstraction has 468 states and 702 transitions. [2024-10-24 13:00:45,643 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 11.875) internal successors, (95), 8 states have internal predecessors, (95), 4 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (34), 5 states have call predecessors, (34), 4 states have call successors, (34) [2024-10-24 13:00:45,643 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 702 transitions. [2024-10-24 13:00:45,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2024-10-24 13:00:45,645 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:00:45,645 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 13:00:45,672 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-10-24 13:00:45,846 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 13:00:45,846 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:00:45,847 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:00:45,847 INFO L85 PathProgramCache]: Analyzing trace with hash -2125056558, now seen corresponding path program 1 times [2024-10-24 13:00:45,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:00:45,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087027594] [2024-10-24 13:00:45,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:00:45,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:00:45,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:46,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:46,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:46,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:00:46,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:46,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:46,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:46,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 13:00:46,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:46,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-24 13:00:46,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:46,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 13:00:46,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:46,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 13:00:46,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:46,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 13:00:46,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:46,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 13:00:46,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:46,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-24 13:00:46,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:46,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 13:00:46,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:46,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:46,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:46,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-24 13:00:46,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:46,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 13:00:46,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:46,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:46,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:46,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-24 13:00:46,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:46,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:46,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:46,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:46,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:46,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:46,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:46,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-24 13:00:46,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:46,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:46,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:46,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:46,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:46,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-24 13:00:46,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:46,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-24 13:00:46,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:46,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:46,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:46,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 13:00:46,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:46,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:46,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:47,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:00:47,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:47,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:47,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:47,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-24 13:00:47,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:47,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-24 13:00:47,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:47,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-24 13:00:47,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:47,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:47,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:47,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:47,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:47,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:47,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:47,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-24 13:00:47,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:47,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:47,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:47,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:47,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:47,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-10-24 13:00:47,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:47,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-24 13:00:47,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:47,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-24 13:00:47,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:47,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-10-24 13:00:47,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:47,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-10-24 13:00:47,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:47,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:47,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:47,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:47,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:47,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-10-24 13:00:47,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:47,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-10-24 13:00:47,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:47,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:47,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:47,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:47,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:47,161 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 587 trivial. 0 not checked. [2024-10-24 13:00:47,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:00:47,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087027594] [2024-10-24 13:00:47,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1087027594] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 13:00:47,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [225971945] [2024-10-24 13:00:47,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:00:47,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 13:00:47,162 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 13:00:47,164 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 13:00:47,166 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-24 13:00:48,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:48,097 INFO L255 TraceCheckSpWp]: Trace formula consists of 3497 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-10-24 13:00:48,103 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 13:00:48,184 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 264 proven. 2 refuted. 0 times theorem prover too weak. 323 trivial. 0 not checked. [2024-10-24 13:00:48,184 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 13:00:48,514 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 587 trivial. 0 not checked. [2024-10-24 13:00:48,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [225971945] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 13:00:48,514 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 13:00:48,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 8, 8] total 13 [2024-10-24 13:00:48,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477045577] [2024-10-24 13:00:48,515 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 13:00:48,515 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-24 13:00:48,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:00:48,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-24 13:00:48,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2024-10-24 13:00:48,516 INFO L87 Difference]: Start difference. First operand 468 states and 702 transitions. Second operand has 13 states, 12 states have (on average 8.916666666666666) internal successors, (107), 8 states have internal predecessors, (107), 4 states have call successors, (59), 6 states have call predecessors, (59), 3 states have return successors, (46), 5 states have call predecessors, (46), 4 states have call successors, (46) [2024-10-24 13:00:53,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:00:53,996 INFO L93 Difference]: Finished difference Result 1194 states and 1931 transitions. [2024-10-24 13:00:53,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-24 13:00:53,997 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 8.916666666666666) internal successors, (107), 8 states have internal predecessors, (107), 4 states have call successors, (59), 6 states have call predecessors, (59), 3 states have return successors, (46), 5 states have call predecessors, (46), 4 states have call successors, (46) Word has length 305 [2024-10-24 13:00:53,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:00:54,004 INFO L225 Difference]: With dead ends: 1194 [2024-10-24 13:00:54,004 INFO L226 Difference]: Without dead ends: 802 [2024-10-24 13:00:54,007 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 719 GetRequests, 703 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=56, Invalid=250, Unknown=0, NotChecked=0, Total=306 [2024-10-24 13:00:54,007 INFO L432 NwaCegarLoop]: 547 mSDtfsCounter, 424 mSDsluCounter, 4096 mSDsCounter, 0 mSdLazyCounter, 4881 mSolverCounterSat, 636 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 475 SdHoareTripleChecker+Valid, 4643 SdHoareTripleChecker+Invalid, 5517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 636 IncrementalHoareTripleChecker+Valid, 4881 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2024-10-24 13:00:54,007 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [475 Valid, 4643 Invalid, 5517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [636 Valid, 4881 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2024-10-24 13:00:54,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 802 states. [2024-10-24 13:00:54,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 802 to 489. [2024-10-24 13:00:54,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 489 states, 276 states have (on average 1.2463768115942029) internal successors, (344), 280 states have internal predecessors, (344), 180 states have call successors, (180), 29 states have call predecessors, (180), 31 states have return successors, (211), 180 states have call predecessors, (211), 178 states have call successors, (211) [2024-10-24 13:00:54,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 735 transitions. [2024-10-24 13:00:54,047 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 735 transitions. Word has length 305 [2024-10-24 13:00:54,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:00:54,047 INFO L471 AbstractCegarLoop]: Abstraction has 489 states and 735 transitions. [2024-10-24 13:00:54,047 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 8.916666666666666) internal successors, (107), 8 states have internal predecessors, (107), 4 states have call successors, (59), 6 states have call predecessors, (59), 3 states have return successors, (46), 5 states have call predecessors, (46), 4 states have call successors, (46) [2024-10-24 13:00:54,048 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 735 transitions. [2024-10-24 13:00:54,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2024-10-24 13:00:54,049 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:00:54,049 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 13:00:54,077 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-10-24 13:00:54,250 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-10-24 13:00:54,251 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:00:54,251 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:00:54,251 INFO L85 PathProgramCache]: Analyzing trace with hash -1711545906, now seen corresponding path program 1 times [2024-10-24 13:00:54,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:00:54,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896009538] [2024-10-24 13:00:54,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:00:54,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:00:55,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:56,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:56,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:56,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:00:56,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:56,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:56,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:56,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 13:00:56,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:56,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-24 13:00:56,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:56,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 13:00:56,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:56,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 13:00:56,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:56,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 13:00:56,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:56,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 13:00:56,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:56,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-24 13:00:56,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:56,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 13:00:56,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:56,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:56,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:56,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-24 13:00:56,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:56,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 13:00:56,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:56,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:56,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:56,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-24 13:00:56,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:56,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:56,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:56,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:56,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:56,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:56,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:56,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-24 13:00:56,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:56,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:56,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:56,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:56,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:56,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-24 13:00:56,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:56,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-24 13:00:56,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:56,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:56,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:56,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 13:00:56,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:56,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:56,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:56,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:00:56,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:56,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:56,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:56,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-24 13:00:56,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:56,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-24 13:00:56,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:56,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-24 13:00:56,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:56,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:56,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:56,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:56,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:56,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:56,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:56,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-24 13:00:56,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:56,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:56,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:56,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:56,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:56,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-10-24 13:00:56,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:56,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-24 13:00:56,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:56,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-24 13:00:56,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:56,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-10-24 13:00:56,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:56,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-10-24 13:00:56,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:56,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:56,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:56,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:56,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:56,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-10-24 13:00:56,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:56,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-10-24 13:00:56,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:56,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:56,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:56,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:56,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:56,831 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 15 proven. 18 refuted. 0 times theorem prover too weak. 556 trivial. 0 not checked. [2024-10-24 13:00:56,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:00:56,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896009538] [2024-10-24 13:00:56,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [896009538] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 13:00:56,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [198199542] [2024-10-24 13:00:56,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:00:56,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 13:00:56,832 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 13:00:56,834 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 13:00:56,835 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-24 13:00:57,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:57,883 INFO L255 TraceCheckSpWp]: Trace formula consists of 3491 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-10-24 13:00:57,889 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 13:00:57,929 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-10-24 13:00:58,120 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 295 proven. 0 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2024-10-24 13:00:58,120 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 13:00:58,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [198199542] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:00:58,120 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 13:00:58,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 16 [2024-10-24 13:00:58,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953777066] [2024-10-24 13:00:58,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:00:58,121 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 13:00:58,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:00:58,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 13:00:58,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2024-10-24 13:00:58,122 INFO L87 Difference]: Start difference. First operand 489 states and 735 transitions. Second operand has 9 states, 9 states have (on average 12.333333333333334) internal successors, (111), 9 states have internal predecessors, (111), 5 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (38), 5 states have call predecessors, (38), 5 states have call successors, (38) [2024-10-24 13:00:58,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:00:58,990 INFO L93 Difference]: Finished difference Result 960 states and 1478 transitions. [2024-10-24 13:00:58,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 13:00:58,991 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.333333333333334) internal successors, (111), 9 states have internal predecessors, (111), 5 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (38), 5 states have call predecessors, (38), 5 states have call successors, (38) Word has length 305 [2024-10-24 13:00:58,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:00:58,996 INFO L225 Difference]: With dead ends: 960 [2024-10-24 13:00:58,996 INFO L226 Difference]: Without dead ends: 516 [2024-10-24 13:00:58,999 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 408 GetRequests, 393 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=232, Unknown=0, NotChecked=0, Total=272 [2024-10-24 13:00:59,000 INFO L432 NwaCegarLoop]: 591 mSDtfsCounter, 38 mSDsluCounter, 2251 mSDsCounter, 0 mSdLazyCounter, 350 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 2842 SdHoareTripleChecker+Invalid, 350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-24 13:00:59,000 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 2842 Invalid, 350 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 350 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-24 13:00:59,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 516 states. [2024-10-24 13:00:59,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 516 to 497. [2024-10-24 13:00:59,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 497 states, 284 states have (on average 1.2464788732394365) internal successors, (354), 288 states have internal predecessors, (354), 180 states have call successors, (180), 29 states have call predecessors, (180), 31 states have return successors, (211), 180 states have call predecessors, (211), 178 states have call successors, (211) [2024-10-24 13:00:59,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 497 states and 745 transitions. [2024-10-24 13:00:59,033 INFO L78 Accepts]: Start accepts. Automaton has 497 states and 745 transitions. Word has length 305 [2024-10-24 13:00:59,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:00:59,033 INFO L471 AbstractCegarLoop]: Abstraction has 497 states and 745 transitions. [2024-10-24 13:00:59,034 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.333333333333334) internal successors, (111), 9 states have internal predecessors, (111), 5 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (38), 5 states have call predecessors, (38), 5 states have call successors, (38) [2024-10-24 13:00:59,034 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 745 transitions. [2024-10-24 13:00:59,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2024-10-24 13:00:59,036 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:00:59,036 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 13:00:59,061 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-10-24 13:00:59,236 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-10-24 13:00:59,237 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:00:59,237 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:00:59,237 INFO L85 PathProgramCache]: Analyzing trace with hash 516230866, now seen corresponding path program 1 times [2024-10-24 13:00:59,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:00:59,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377018056] [2024-10-24 13:00:59,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:00:59,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:01:00,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:01,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:01,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:01,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:01:01,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:01,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:01:01,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:01,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 13:01:01,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:01,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-24 13:01:01,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:01,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 13:01:01,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:01,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 13:01:01,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:01,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 13:01:01,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:01,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 13:01:01,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:01,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-24 13:01:01,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:01,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 13:01:01,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:01,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:01:01,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:01,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-24 13:01:01,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:01,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 13:01:01,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:01,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:01:01,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:01,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-24 13:01:01,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:01,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:01:01,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:01,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:01:01,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:01,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:01,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:01,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-24 13:01:01,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:01,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:01:01,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:01,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:01,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:01,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-24 13:01:01,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:01,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-24 13:01:01,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:01,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:01,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:01,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 13:01:01,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:01,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:01,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:01,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:01:01,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:01,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:01,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:01,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-24 13:01:01,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:01,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-24 13:01:01,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:01,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-24 13:01:01,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:01,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:01:01,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:01,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:01:01,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:01,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:01,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:01,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-24 13:01:01,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:01,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:01:01,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:01,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:01,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:01,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-10-24 13:01:01,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:01,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-24 13:01:01,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:01,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-24 13:01:01,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:01,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-10-24 13:01:01,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:01,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-10-24 13:01:01,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:01,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:01:01,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:01,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:01,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:01,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-10-24 13:01:01,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:01,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-10-24 13:01:01,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:01,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:01:01,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:01,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:01,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:01,780 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 15 proven. 18 refuted. 0 times theorem prover too weak. 556 trivial. 0 not checked. [2024-10-24 13:01:01,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:01:01,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377018056] [2024-10-24 13:01:01,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377018056] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 13:01:01,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1949404477] [2024-10-24 13:01:01,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:01:01,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 13:01:01,781 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 13:01:01,783 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 13:01:01,784 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-24 13:01:02,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:02,844 INFO L255 TraceCheckSpWp]: Trace formula consists of 3485 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-10-24 13:01:02,851 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 13:01:02,867 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-10-24 13:01:03,049 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 263 proven. 0 refuted. 0 times theorem prover too weak. 326 trivial. 0 not checked. [2024-10-24 13:01:03,050 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 13:01:03,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1949404477] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:01:03,050 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 13:01:03,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [9] total 18 [2024-10-24 13:01:03,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105362994] [2024-10-24 13:01:03,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:01:03,051 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-24 13:01:03,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:01:03,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-24 13:01:03,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2024-10-24 13:01:03,052 INFO L87 Difference]: Start difference. First operand 497 states and 745 transitions. Second operand has 11 states, 11 states have (on average 10.0) internal successors, (110), 11 states have internal predecessors, (110), 6 states have call successors, (41), 2 states have call predecessors, (41), 3 states have return successors, (39), 6 states have call predecessors, (39), 6 states have call successors, (39) [2024-10-24 13:01:05,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:01:05,010 INFO L93 Difference]: Finished difference Result 989 states and 1535 transitions. [2024-10-24 13:01:05,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-24 13:01:05,011 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 10.0) internal successors, (110), 11 states have internal predecessors, (110), 6 states have call successors, (41), 2 states have call predecessors, (41), 3 states have return successors, (39), 6 states have call predecessors, (39), 6 states have call successors, (39) Word has length 305 [2024-10-24 13:01:05,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:01:05,017 INFO L225 Difference]: With dead ends: 989 [2024-10-24 13:01:05,017 INFO L226 Difference]: Without dead ends: 537 [2024-10-24 13:01:05,020 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 412 GetRequests, 392 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=55, Invalid=407, Unknown=0, NotChecked=0, Total=462 [2024-10-24 13:01:05,020 INFO L432 NwaCegarLoop]: 597 mSDtfsCounter, 53 mSDsluCounter, 4934 mSDsCounter, 0 mSdLazyCounter, 1013 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 5531 SdHoareTripleChecker+Invalid, 1014 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1013 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-10-24 13:01:05,021 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 5531 Invalid, 1014 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1013 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-10-24 13:01:05,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 537 states. [2024-10-24 13:01:05,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 537 to 512. [2024-10-24 13:01:05,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 512 states, 298 states have (on average 1.2483221476510067) internal successors, (372), 301 states have internal predecessors, (372), 180 states have call successors, (180), 29 states have call predecessors, (180), 32 states have return successors, (230), 182 states have call predecessors, (230), 178 states have call successors, (230) [2024-10-24 13:01:05,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 512 states and 782 transitions. [2024-10-24 13:01:05,094 INFO L78 Accepts]: Start accepts. Automaton has 512 states and 782 transitions. Word has length 305 [2024-10-24 13:01:05,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:01:05,095 INFO L471 AbstractCegarLoop]: Abstraction has 512 states and 782 transitions. [2024-10-24 13:01:05,095 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 10.0) internal successors, (110), 11 states have internal predecessors, (110), 6 states have call successors, (41), 2 states have call predecessors, (41), 3 states have return successors, (39), 6 states have call predecessors, (39), 6 states have call successors, (39) [2024-10-24 13:01:05,095 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 782 transitions. [2024-10-24 13:01:05,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2024-10-24 13:01:05,099 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:01:05,099 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 13:01:05,121 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-10-24 13:01:05,299 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-10-24 13:01:05,300 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:01:05,300 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:01:05,300 INFO L85 PathProgramCache]: Analyzing trace with hash -1882382960, now seen corresponding path program 1 times [2024-10-24 13:01:05,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:01:05,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436879450] [2024-10-24 13:01:05,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:01:05,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:01:05,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:05,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:05,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:05,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:01:05,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:05,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:01:05,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:05,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 13:01:05,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:05,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-24 13:01:05,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:05,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 13:01:05,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:05,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 13:01:05,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:05,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 13:01:05,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:05,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 13:01:05,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:05,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-24 13:01:05,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:05,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 13:01:05,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:05,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:01:05,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:05,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-24 13:01:05,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:05,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 13:01:05,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:05,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:01:05,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:05,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-24 13:01:05,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:05,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:01:05,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:05,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:01:05,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:05,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:05,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:05,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-24 13:01:05,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:05,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:01:05,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:05,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:05,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:05,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-24 13:01:05,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:05,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-24 13:01:05,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:05,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:05,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:05,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 13:01:05,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:05,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:05,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:05,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:01:05,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:05,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:05,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:05,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-24 13:01:05,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:05,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-24 13:01:05,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:05,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-24 13:01:05,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:06,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:01:06,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:06,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:01:06,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:06,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:06,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:06,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-24 13:01:06,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:06,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:01:06,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:06,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:06,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:06,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-10-24 13:01:06,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:06,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-24 13:01:06,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:06,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-24 13:01:06,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:06,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-10-24 13:01:06,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:06,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-10-24 13:01:06,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:06,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:01:06,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:06,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:06,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:06,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-10-24 13:01:06,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:06,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-10-24 13:01:06,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:06,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:01:06,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:06,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:06,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:06,179 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 29 proven. 10 refuted. 0 times theorem prover too weak. 550 trivial. 0 not checked. [2024-10-24 13:01:06,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:01:06,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436879450] [2024-10-24 13:01:06,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [436879450] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 13:01:06,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1434464206] [2024-10-24 13:01:06,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:01:06,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 13:01:06,180 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 13:01:06,181 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 13:01:06,182 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-24 13:01:07,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:07,143 INFO L255 TraceCheckSpWp]: Trace formula consists of 3478 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-24 13:01:07,148 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 13:01:07,159 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 299 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-10-24 13:01:07,159 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 13:01:07,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1434464206] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:01:07,159 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 13:01:07,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 8 [2024-10-24 13:01:07,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616168655] [2024-10-24 13:01:07,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:01:07,160 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 13:01:07,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:01:07,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 13:01:07,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-10-24 13:01:07,161 INFO L87 Difference]: Start difference. First operand 512 states and 782 transitions. Second operand has 4 states, 4 states have (on average 27.5) internal successors, (110), 4 states have internal predecessors, (110), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2024-10-24 13:01:07,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:01:07,273 INFO L93 Difference]: Finished difference Result 979 states and 1572 transitions. [2024-10-24 13:01:07,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 13:01:07,274 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.5) internal successors, (110), 4 states have internal predecessors, (110), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) Word has length 305 [2024-10-24 13:01:07,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:01:07,279 INFO L225 Difference]: With dead ends: 979 [2024-10-24 13:01:07,280 INFO L226 Difference]: Without dead ends: 512 [2024-10-24 13:01:07,283 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 408 GetRequests, 402 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-10-24 13:01:07,284 INFO L432 NwaCegarLoop]: 602 mSDtfsCounter, 0 mSDsluCounter, 1194 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1796 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 13:01:07,284 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1796 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 13:01:07,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 512 states. [2024-10-24 13:01:07,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 512 to 512. [2024-10-24 13:01:07,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 512 states, 298 states have (on average 1.24496644295302) internal successors, (371), 301 states have internal predecessors, (371), 180 states have call successors, (180), 29 states have call predecessors, (180), 32 states have return successors, (230), 182 states have call predecessors, (230), 178 states have call successors, (230) [2024-10-24 13:01:07,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 512 states and 781 transitions. [2024-10-24 13:01:07,316 INFO L78 Accepts]: Start accepts. Automaton has 512 states and 781 transitions. Word has length 305 [2024-10-24 13:01:07,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:01:07,316 INFO L471 AbstractCegarLoop]: Abstraction has 512 states and 781 transitions. [2024-10-24 13:01:07,316 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.5) internal successors, (110), 4 states have internal predecessors, (110), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2024-10-24 13:01:07,316 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 781 transitions. [2024-10-24 13:01:07,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2024-10-24 13:01:07,318 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:01:07,318 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 13:01:07,341 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-10-24 13:01:07,519 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-10-24 13:01:07,519 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:01:07,520 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:01:07,520 INFO L85 PathProgramCache]: Analyzing trace with hash 288218578, now seen corresponding path program 1 times [2024-10-24 13:01:07,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:01:07,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111938186] [2024-10-24 13:01:07,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:01:07,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms