./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_either_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 48c9605d Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_either_harness.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3b33a1dc558667a4fcb18529533ebc713d63e8618dba1b7e6d3f152565826fd1 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 01:57:13,117 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 01:57:13,180 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-08 01:57:13,185 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 01:57:13,186 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 01:57:13,209 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 01:57:13,210 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 01:57:13,210 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 01:57:13,210 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 01:57:13,210 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 01:57:13,211 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 01:57:13,211 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 01:57:13,211 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 01:57:13,212 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 01:57:13,212 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 01:57:13,212 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 01:57:13,212 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 01:57:13,212 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 01:57:13,213 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 01:57:13,213 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 01:57:13,213 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 01:57:13,213 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 01:57:13,213 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 01:57:13,213 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 01:57:13,213 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 01:57:13,213 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 01:57:13,213 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 01:57:13,213 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 01:57:13,213 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 01:57:13,213 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:57:13,214 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 01:57:13,214 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 01:57:13,214 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 01:57:13,214 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 01:57:13,214 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 01:57:13,214 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 01:57:13,214 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 01:57:13,214 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 01:57:13,214 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 01:57:13,215 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 01:57:13,215 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3b33a1dc558667a4fcb18529533ebc713d63e8618dba1b7e6d3f152565826fd1 [2025-02-08 01:57:13,457 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 01:57:13,466 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 01:57:13,468 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 01:57:13,469 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 01:57:13,470 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 01:57:13,471 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_either_harness.i [2025-02-08 01:57:14,641 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a9b2ef5be/4c3debcd373a4e12ba01dfef3d3d7f2f/FLAG7d3173262 [2025-02-08 01:57:15,043 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 01:57:15,044 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_either_harness.i [2025-02-08 01:57:15,071 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a9b2ef5be/4c3debcd373a4e12ba01dfef3d3d7f2f/FLAG7d3173262 [2025-02-08 01:57:15,086 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a9b2ef5be/4c3debcd373a4e12ba01dfef3d3d7f2f [2025-02-08 01:57:15,088 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 01:57:15,089 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 01:57:15,090 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 01:57:15,090 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 01:57:15,093 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 01:57:15,093 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:57:15" (1/1) ... [2025-02-08 01:57:15,094 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48ff29b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:57:15, skipping insertion in model container [2025-02-08 01:57:15,094 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:57:15" (1/1) ... [2025-02-08 01:57:15,162 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 01:57:15,337 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_either_harness.i[4506,4519] [2025-02-08 01:57:15,345 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_either_harness.i[4566,4579] [2025-02-08 01:57:15,847 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:15,848 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:15,848 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:15,849 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:15,849 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:15,858 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:15,859 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:15,860 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:15,860 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:15,862 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:15,862 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:15,863 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:15,863 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:16,206 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:16,207 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:16,216 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:16,221 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:16,272 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:16,273 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:16,273 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:16,273 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:16,273 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:16,273 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:16,274 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:16,274 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:16,274 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:16,274 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:16,274 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:16,275 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:16,275 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:16,279 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:16,279 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:16,280 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:16,280 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:16,282 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:16,282 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:16,287 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:16,287 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:16,289 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:16,312 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:57:16,337 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 01:57:16,347 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_either_harness.i[4506,4519] [2025-02-08 01:57:16,347 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_either_harness.i[4566,4579] [2025-02-08 01:57:16,411 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:16,412 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:16,412 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:16,412 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:16,413 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:16,419 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:16,419 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:16,420 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:16,420 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:16,421 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:16,422 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:16,422 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:16,422 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:16,470 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:16,470 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:16,470 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:16,475 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:16,480 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7776-7787] [2025-02-08 01:57:16,498 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:16,499 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:16,500 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:16,500 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:16,500 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:16,501 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:16,502 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:16,502 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:16,502 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:16,502 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:16,502 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:16,503 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:16,503 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:16,504 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:16,504 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:16,505 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:16,505 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:16,506 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:16,506 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:16,511 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:16,512 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:16,512 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:16,520 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:57:16,696 INFO L204 MainTranslator]: Completed translation [2025-02-08 01:57:16,697 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:57:16 WrapperNode [2025-02-08 01:57:16,697 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 01:57:16,698 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 01:57:16,698 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 01:57:16,698 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 01:57:16,702 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:57:16" (1/1) ... [2025-02-08 01:57:16,753 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:57:16" (1/1) ... [2025-02-08 01:57:16,815 INFO L138 Inliner]: procedures = 686, calls = 1900, calls flagged for inlining = 59, calls inlined = 15, statements flattened = 947 [2025-02-08 01:57:16,816 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 01:57:16,816 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 01:57:16,817 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 01:57:16,817 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 01:57:16,825 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:57:16" (1/1) ... [2025-02-08 01:57:16,825 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:57:16" (1/1) ... [2025-02-08 01:57:16,831 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:57:16" (1/1) ... [2025-02-08 01:57:16,929 INFO L175 MemorySlicer]: Split 347 memory accesses to 6 slices as follows [238, 2, 17, 18, 3, 69]. 69 percent of accesses are in the largest equivalence class. The 18 initializations are split as follows [6, 2, 4, 5, 1, 0]. The 259 writes are split as follows [232, 0, 3, 6, 1, 17]. [2025-02-08 01:57:16,929 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:57:16" (1/1) ... [2025-02-08 01:57:16,930 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:57:16" (1/1) ... [2025-02-08 01:57:16,966 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:57:16" (1/1) ... [2025-02-08 01:57:16,969 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:57:16" (1/1) ... [2025-02-08 01:57:16,974 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:57:16" (1/1) ... [2025-02-08 01:57:16,983 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:57:16" (1/1) ... [2025-02-08 01:57:16,995 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 01:57:16,996 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 01:57:16,996 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 01:57:16,996 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 01:57:16,998 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:57:16" (1/1) ... [2025-02-08 01:57:17,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:57:17,012 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:57:17,025 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-08 01:57:17,028 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-08 01:57:17,046 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_either [2025-02-08 01:57:17,046 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_either [2025-02-08 01:57:17,046 INFO L130 BoogieDeclarations]: Found specification of procedure s_swap [2025-02-08 01:57:17,046 INFO L138 BoogieDeclarations]: Found implementation of procedure s_swap [2025-02-08 01:57:17,046 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2025-02-08 01:57:17,046 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2025-02-08 01:57:17,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 01:57:17,046 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2025-02-08 01:57:17,046 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2025-02-08 01:57:17,046 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2025-02-08 01:57:17,046 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2025-02-08 01:57:17,046 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-08 01:57:17,046 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-08 01:57:17,046 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_up [2025-02-08 01:57:17,046 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_up [2025-02-08 01:57:17,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-08 01:57:17,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-08 01:57:17,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-08 01:57:17,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-08 01:57:17,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-08 01:57:17,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-02-08 01:57:17,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-08 01:57:17,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-08 01:57:17,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-08 01:57:17,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-08 01:57:17,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-08 01:57:17,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-08 01:57:17,046 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-02-08 01:57:17,046 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-02-08 01:57:17,046 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-08 01:57:17,046 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-08 01:57:17,046 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-08 01:57:17,046 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 01:57:17,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-08 01:57:17,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-08 01:57:17,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-08 01:57:17,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-08 01:57:17,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-08 01:57:17,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-02-08 01:57:17,047 INFO L130 BoogieDeclarations]: Found specification of procedure my_abort [2025-02-08 01:57:17,047 INFO L138 BoogieDeclarations]: Found implementation of procedure my_abort [2025-02-08 01:57:17,047 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2025-02-08 01:57:17,047 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2025-02-08 01:57:17,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 01:57:17,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 01:57:17,047 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-08 01:57:17,047 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-08 01:57:17,047 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2025-02-08 01:57:17,047 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2025-02-08 01:57:17,047 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-02-08 01:57:17,047 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-02-08 01:57:17,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-08 01:57:17,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-08 01:57:17,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-08 01:57:17,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-08 01:57:17,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-08 01:57:17,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-02-08 01:57:17,047 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2025-02-08 01:57:17,047 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2025-02-08 01:57:17,047 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2025-02-08 01:57:17,047 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2025-02-08 01:57:17,047 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2025-02-08 01:57:17,047 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2025-02-08 01:57:17,047 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-08 01:57:17,047 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-08 01:57:17,047 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2025-02-08 01:57:17,047 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2025-02-08 01:57:17,047 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-08 01:57:17,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-08 01:57:17,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-08 01:57:17,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-08 01:57:17,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-08 01:57:17,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-08 01:57:17,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-02-08 01:57:17,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-08 01:57:17,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-08 01:57:17,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-08 01:57:17,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-08 01:57:17,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-08 01:57:17,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-02-08 01:57:17,051 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2025-02-08 01:57:17,051 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2025-02-08 01:57:17,051 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-02-08 01:57:17,051 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-02-08 01:57:17,051 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-02-08 01:57:17,051 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-02-08 01:57:17,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-08 01:57:17,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-08 01:57:17,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-08 01:57:17,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-08 01:57:17,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-08 01:57:17,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-08 01:57:17,051 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2025-02-08 01:57:17,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2025-02-08 01:57:17,051 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2025-02-08 01:57:17,051 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2025-02-08 01:57:17,051 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-02-08 01:57:17,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-02-08 01:57:17,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 01:57:17,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-08 01:57:17,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-08 01:57:17,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-08 01:57:17,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-08 01:57:17,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-08 01:57:17,321 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 01:57:17,322 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 01:57:17,366 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6935: havoc #t~malloc583.base, #t~malloc583.offset; [2025-02-08 01:57:17,378 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc #t~nondet6; [2025-02-08 01:57:17,408 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2590: havoc #t~ret57#1; [2025-02-08 01:57:17,456 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L267: havoc nondet_uint8_t_#t~nondet10#1;#t~ret681#1 := nondet_uint8_t_#res#1;havoc nondet_uint8_t_#t~nondet10#1;assume { :end_inline_nondet_uint8_t } true;call write~int#3(#t~ret681#1, ~dst#1.base, ~dst#1.offset + (if ~index~0#1 % 18446744073709551616 % 18446744073709551616 <= 9223372036854775807 then ~index~0#1 % 18446744073709551616 % 18446744073709551616 else ~index~0#1 % 18446744073709551616 % 18446744073709551616 - 18446744073709551616), 1);havoc ~index~0#1;havoc #t~ret681#1; [2025-02-08 01:57:17,467 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6949: havoc #t~ret587;havoc #t~ite589.base, #t~ite589.offset;havoc #t~ret588.base, #t~ret588.offset; [2025-02-08 01:57:17,546 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L8277: havoc aws_priority_queue_backpointers_valid_#t~ret875#1;havoc aws_priority_queue_backpointers_valid_#t~short876#1; [2025-02-08 01:57:17,640 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L8125: #t~ret845#1 := s_sift_down_#res#1;havoc s_sift_down_#t~ret814#1, s_sift_down_#t~mem815#1, s_sift_down_#t~ret816#1, s_sift_down_#t~ret817#1, s_sift_down_#t~ret818#1, s_sift_down_#t~mem819#1.base, s_sift_down_#t~mem819#1.offset, s_sift_down_#t~mem820#1.base, s_sift_down_#t~mem820#1.offset, s_sift_down_#t~mem821#1.base, s_sift_down_#t~mem821#1.offset, s_sift_down_#t~ret822#1, s_sift_down_#t~mem823#1.base, s_sift_down_#t~mem823#1.offset, s_sift_down_#t~ret824#1, s_sift_down_#t~mem825#1.base, s_sift_down_#t~mem825#1.offset, s_sift_down_#t~mem826#1.base, s_sift_down_#t~mem826#1.offset, s_sift_down_#t~mem827#1.base, s_sift_down_#t~mem827#1.offset, s_sift_down_#t~ret828#1, s_sift_down_#t~mem829#1.base, s_sift_down_#t~mem829#1.offset, s_sift_down_~left~0#1, s_sift_down_~right~0#1, s_sift_down_~first~0#1, s_sift_down_~#first_item~0#1.base, s_sift_down_~#first_item~0#1.offset, s_sift_down_~#other_item~0#1.base, s_sift_down_~#other_item~0#1.offset, s_sift_down_#t~ret830#1, s_sift_down_~queue#1.base, s_sift_down_~queue#1.offset, s_sift_down_~root#1, s_sift_down_~did_move~0#1, s_sift_down_~len~2#1;havoc s_sift_down_#in~queue#1.base, s_sift_down_#in~queue#1.offset, s_sift_down_#in~root#1;assume { :end_inline_s_sift_down } true;havoc #t~ret845#1; [2025-02-08 01:57:17,689 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2944: call ULTIMATE.dealloc(~#required_size~0.base, ~#required_size~0.offset);havoc ~#required_size~0.base, ~#required_size~0.offset; [2025-02-08 01:57:17,692 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-08 01:57:17,704 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L8191: havoc ~node~1.base, ~node~1.offset; [2025-02-08 01:57:17,729 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L262: havoc nondet_int_#t~nondet5#1; [2025-02-08 01:57:17,729 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7268: havoc nondet_compare_#t~ret668#1; [2025-02-08 01:57:17,770 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3203: havoc #t~ret243; [2025-02-08 01:57:17,775 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7397: havoc #t~ret682.base, #t~ret682.offset; [2025-02-08 01:57:17,805 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L8087: call ULTIMATE.dealloc(~#parent_item~0.base, ~#parent_item~0.offset);havoc ~#parent_item~0.base, ~#parent_item~0.offset;call ULTIMATE.dealloc(~#child_item~0.base, ~#child_item~0.offset);havoc ~#child_item~0.base, ~#child_item~0.offset; [2025-02-08 01:57:23,235 INFO L? ?]: Removed 210 outVars from TransFormulas that were not future-live. [2025-02-08 01:57:23,235 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 01:57:23,255 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 01:57:23,258 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 01:57:23,259 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:57:23 BoogieIcfgContainer [2025-02-08 01:57:23,259 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 01:57:23,261 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 01:57:23,261 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 01:57:23,264 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 01:57:23,265 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 01:57:15" (1/3) ... [2025-02-08 01:57:23,265 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e6933bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:57:23, skipping insertion in model container [2025-02-08 01:57:23,266 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:57:16" (2/3) ... [2025-02-08 01:57:23,266 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e6933bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:57:23, skipping insertion in model container [2025-02-08 01:57:23,266 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:57:23" (3/3) ... [2025-02-08 01:57:23,267 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_s_sift_either_harness.i [2025-02-08 01:57:23,281 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 01:57:23,282 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_priority_queue_s_sift_either_harness.i that has 26 procedures, 356 locations, 1 initial locations, 6 loop locations, and 2 error locations. [2025-02-08 01:57:23,336 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 01:57:23,344 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;@71a9169d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 01:57:23,344 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-02-08 01:57:23,347 INFO L276 IsEmpty]: Start isEmpty. Operand has 356 states, 203 states have (on average 1.2463054187192117) internal successors, (253), 211 states have internal predecessors, (253), 120 states have call successors, (120), 25 states have call predecessors, (120), 25 states have return successors, (120), 120 states have call predecessors, (120), 120 states have call successors, (120) [2025-02-08 01:57:23,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2025-02-08 01:57:23,356 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:57:23,357 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 3, 3, 3, 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] [2025-02-08 01:57:23,357 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:57:23,361 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:57:23,361 INFO L85 PathProgramCache]: Analyzing trace with hash 374314064, now seen corresponding path program 1 times [2025-02-08 01:57:23,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:57:23,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122699576] [2025-02-08 01:57:23,367 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:57:23,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:57:27,600 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 135 statements into 1 equivalence classes. [2025-02-08 01:57:27,949 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 135 of 135 statements. [2025-02-08 01:57:27,949 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:57:27,950 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:57:28,398 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2025-02-08 01:57:28,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:57:28,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122699576] [2025-02-08 01:57:28,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [122699576] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:57:28,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [9207860] [2025-02-08 01:57:28,399 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:57:28,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:57:28,400 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:57:28,402 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 01:57:28,405 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-08 01:57:32,581 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 135 statements into 1 equivalence classes. [2025-02-08 01:57:33,035 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 135 of 135 statements. [2025-02-08 01:57:33,035 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:57:33,035 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:57:33,058 INFO L256 TraceCheckSpWp]: Trace formula consists of 4405 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-08 01:57:33,067 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 01:57:33,080 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2025-02-08 01:57:33,081 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 01:57:33,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [9207860] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 01:57:33,081 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 01:57:33,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-02-08 01:57:33,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294004087] [2025-02-08 01:57:33,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 01:57:33,086 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-08 01:57:33,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 01:57:33,098 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-08 01:57:33,098 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 01:57:33,101 INFO L87 Difference]: Start difference. First operand has 356 states, 203 states have (on average 1.2463054187192117) internal successors, (253), 211 states have internal predecessors, (253), 120 states have call successors, (120), 25 states have call predecessors, (120), 25 states have return successors, (120), 120 states have call predecessors, (120), 120 states have call successors, (120) Second operand has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2025-02-08 01:57:33,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 01:57:33,155 INFO L93 Difference]: Finished difference Result 689 states and 1030 transitions. [2025-02-08 01:57:33,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-08 01:57:33,157 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 135 [2025-02-08 01:57:33,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 01:57:33,168 INFO L225 Difference]: With dead ends: 689 [2025-02-08 01:57:33,168 INFO L226 Difference]: Without dead ends: 340 [2025-02-08 01:57:33,173 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 01:57:33,178 INFO L435 NwaCegarLoop]: 486 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 486 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 01:57:33,179 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 486 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 01:57:33,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2025-02-08 01:57:33,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 340. [2025-02-08 01:57:33,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 340 states, 196 states have (on average 1.2091836734693877) internal successors, (237), 200 states have internal predecessors, (237), 118 states have call successors, (118), 25 states have call predecessors, (118), 24 states have return successors, (114), 114 states have call predecessors, (114), 114 states have call successors, (114) [2025-02-08 01:57:33,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 469 transitions. [2025-02-08 01:57:33,264 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 469 transitions. Word has length 135 [2025-02-08 01:57:33,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 01:57:33,265 INFO L471 AbstractCegarLoop]: Abstraction has 340 states and 469 transitions. [2025-02-08 01:57:33,266 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2025-02-08 01:57:33,266 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 469 transitions. [2025-02-08 01:57:33,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2025-02-08 01:57:33,270 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:57:33,271 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 3, 3, 3, 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] [2025-02-08 01:57:33,293 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-08 01:57:33,471 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-02-08 01:57:33,472 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:57:33,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:57:33,473 INFO L85 PathProgramCache]: Analyzing trace with hash 413905649, now seen corresponding path program 1 times [2025-02-08 01:57:33,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:57:33,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109175017] [2025-02-08 01:57:33,473 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:57:33,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:57:37,479 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 135 statements into 1 equivalence classes. [2025-02-08 01:57:37,638 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 135 of 135 statements. [2025-02-08 01:57:37,639 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:57:37,639 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:57:38,666 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2025-02-08 01:57:38,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:57:38,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109175017] [2025-02-08 01:57:38,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2109175017] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:57:38,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [17302376] [2025-02-08 01:57:38,667 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:57:38,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:57:38,667 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:57:38,669 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 01:57:38,670 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-02-08 01:57:43,050 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 135 statements into 1 equivalence classes. [2025-02-08 01:57:43,500 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 135 of 135 statements. [2025-02-08 01:57:43,500 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:57:43,500 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:57:43,521 INFO L256 TraceCheckSpWp]: Trace formula consists of 4405 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-02-08 01:57:43,528 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 01:57:43,659 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2025-02-08 01:57:43,659 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 01:57:43,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [17302376] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 01:57:43,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 01:57:43,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2025-02-08 01:57:43,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423389670] [2025-02-08 01:57:43,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 01:57:43,660 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 01:57:43,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 01:57:43,661 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 01:57:43,661 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-08 01:57:43,661 INFO L87 Difference]: Start difference. First operand 340 states and 469 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2025-02-08 01:57:43,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 01:57:43,755 INFO L93 Difference]: Finished difference Result 416 states and 566 transitions. [2025-02-08 01:57:43,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 01:57:43,756 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 135 [2025-02-08 01:57:43,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 01:57:43,760 INFO L225 Difference]: With dead ends: 416 [2025-02-08 01:57:43,761 INFO L226 Difference]: Without dead ends: 341 [2025-02-08 01:57:43,762 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-08 01:57:43,762 INFO L435 NwaCegarLoop]: 468 mSDtfsCounter, 0 mSDsluCounter, 463 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 931 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 01:57:43,763 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 931 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 01:57:43,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2025-02-08 01:57:43,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 341. [2025-02-08 01:57:43,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 341 states, 197 states have (on average 1.2081218274111676) internal successors, (238), 201 states have internal predecessors, (238), 118 states have call successors, (118), 25 states have call predecessors, (118), 24 states have return successors, (114), 114 states have call predecessors, (114), 114 states have call successors, (114) [2025-02-08 01:57:43,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 470 transitions. [2025-02-08 01:57:43,798 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 470 transitions. Word has length 135 [2025-02-08 01:57:43,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 01:57:43,799 INFO L471 AbstractCegarLoop]: Abstraction has 341 states and 470 transitions. [2025-02-08 01:57:43,799 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2025-02-08 01:57:43,799 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 470 transitions. [2025-02-08 01:57:43,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2025-02-08 01:57:43,801 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:57:43,801 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 7, 7, 4, 4, 4, 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] [2025-02-08 01:57:43,817 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-02-08 01:57:44,002 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:57:44,002 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:57:44,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:57:44,003 INFO L85 PathProgramCache]: Analyzing trace with hash -1987098635, now seen corresponding path program 1 times [2025-02-08 01:57:44,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:57:44,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507278525] [2025-02-08 01:57:44,003 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:57:44,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:57:47,718 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 154 statements into 1 equivalence classes. [2025-02-08 01:57:47,806 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 154 of 154 statements. [2025-02-08 01:57:47,806 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:57:47,806 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:57:48,602 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2025-02-08 01:57:48,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:57:48,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507278525] [2025-02-08 01:57:48,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1507278525] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:57:48,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1444776863] [2025-02-08 01:57:48,603 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:57:48,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:57:48,603 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:57:48,605 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 01:57:48,608 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-02-08 01:57:52,793 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 154 statements into 1 equivalence classes. [2025-02-08 01:57:53,167 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 154 of 154 statements. [2025-02-08 01:57:53,167 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:57:53,167 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:57:53,191 INFO L256 TraceCheckSpWp]: Trace formula consists of 4529 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 01:57:53,197 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 01:57:53,920 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2025-02-08 01:57:53,920 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 01:57:53,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1444776863] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 01:57:53,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 01:57:53,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2025-02-08 01:57:53,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471077008] [2025-02-08 01:57:53,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 01:57:53,921 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 01:57:53,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 01:57:53,921 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 01:57:53,922 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-02-08 01:57:53,922 INFO L87 Difference]: Start difference. First operand 341 states and 470 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 3 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2025-02-08 01:57:54,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 01:57:54,866 INFO L93 Difference]: Finished difference Result 639 states and 889 transitions. [2025-02-08 01:57:54,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 01:57:54,867 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 3 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 154 [2025-02-08 01:57:54,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 01:57:54,871 INFO L225 Difference]: With dead ends: 639 [2025-02-08 01:57:54,871 INFO L226 Difference]: Without dead ends: 343 [2025-02-08 01:57:54,873 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-02-08 01:57:54,873 INFO L435 NwaCegarLoop]: 446 mSDtfsCounter, 18 mSDsluCounter, 1278 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 1724 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2025-02-08 01:57:54,874 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 1724 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-02-08 01:57:54,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2025-02-08 01:57:54,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 343. [2025-02-08 01:57:54,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 343 states, 198 states have (on average 1.207070707070707) internal successors, (239), 203 states have internal predecessors, (239), 118 states have call successors, (118), 25 states have call predecessors, (118), 25 states have return successors, (122), 114 states have call predecessors, (122), 114 states have call successors, (122) [2025-02-08 01:57:54,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 479 transitions. [2025-02-08 01:57:54,897 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 479 transitions. Word has length 154 [2025-02-08 01:57:54,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 01:57:54,897 INFO L471 AbstractCegarLoop]: Abstraction has 343 states and 479 transitions. [2025-02-08 01:57:54,898 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 3 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2025-02-08 01:57:54,898 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 479 transitions. [2025-02-08 01:57:54,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2025-02-08 01:57:54,899 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:57:54,902 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 7, 7, 4, 4, 3, 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] [2025-02-08 01:57:54,919 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-02-08 01:57:55,103 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:57:55,103 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:57:55,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:57:55,103 INFO L85 PathProgramCache]: Analyzing trace with hash 1501132911, now seen corresponding path program 1 times [2025-02-08 01:57:55,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:57:55,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968877017] [2025-02-08 01:57:55,104 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:57:55,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:57:58,762 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 162 statements into 1 equivalence classes. [2025-02-08 01:57:58,861 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 162 of 162 statements. [2025-02-08 01:57:58,862 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:57:58,862 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:58:00,091 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2025-02-08 01:58:00,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:58:00,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968877017] [2025-02-08 01:58:00,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1968877017] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:58:00,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [442198720] [2025-02-08 01:58:00,092 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:58:00,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:58:00,092 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:58:00,094 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 01:58:00,127 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-02-08 01:58:04,592 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 162 statements into 1 equivalence classes. [2025-02-08 01:58:04,959 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 162 of 162 statements. [2025-02-08 01:58:04,959 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:58:04,959 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:58:04,976 INFO L256 TraceCheckSpWp]: Trace formula consists of 4579 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 01:58:04,981 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 01:58:06,202 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2025-02-08 01:58:06,202 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 01:58:06,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [442198720] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 01:58:06,202 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 01:58:06,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2025-02-08 01:58:06,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840646782] [2025-02-08 01:58:06,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 01:58:06,203 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 01:58:06,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 01:58:06,203 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 01:58:06,203 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2025-02-08 01:58:06,203 INFO L87 Difference]: Start difference. First operand 343 states and 479 transitions. Second operand has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 4 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2025-02-08 01:58:08,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 01:58:08,935 INFO L93 Difference]: Finished difference Result 662 states and 944 transitions. [2025-02-08 01:58:08,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 01:58:08,935 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 4 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) Word has length 162 [2025-02-08 01:58:08,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 01:58:08,939 INFO L225 Difference]: With dead ends: 662 [2025-02-08 01:58:08,939 INFO L226 Difference]: Without dead ends: 364 [2025-02-08 01:58:08,940 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2025-02-08 01:58:08,941 INFO L435 NwaCegarLoop]: 446 mSDtfsCounter, 45 mSDsluCounter, 2126 mSDsCounter, 0 mSdLazyCounter, 268 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 2572 SdHoareTripleChecker+Invalid, 270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 268 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2025-02-08 01:58:08,941 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 2572 Invalid, 270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 268 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2025-02-08 01:58:08,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2025-02-08 01:58:08,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 362. [2025-02-08 01:58:08,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 214 states have (on average 1.219626168224299) internal successors, (261), 219 states have internal predecessors, (261), 120 states have call successors, (120), 25 states have call predecessors, (120), 26 states have return successors, (135), 117 states have call predecessors, (135), 116 states have call successors, (135) [2025-02-08 01:58:08,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 516 transitions. [2025-02-08 01:58:08,968 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 516 transitions. Word has length 162 [2025-02-08 01:58:08,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 01:58:08,968 INFO L471 AbstractCegarLoop]: Abstraction has 362 states and 516 transitions. [2025-02-08 01:58:08,969 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 4 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2025-02-08 01:58:08,969 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 516 transitions. [2025-02-08 01:58:08,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2025-02-08 01:58:08,972 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:58:08,972 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 7, 7, 4, 4, 3, 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] [2025-02-08 01:58:08,993 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-02-08 01:58:09,172 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:58:09,173 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:58:09,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:58:09,173 INFO L85 PathProgramCache]: Analyzing trace with hash -684361889, now seen corresponding path program 1 times [2025-02-08 01:58:09,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:58:09,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721663597] [2025-02-08 01:58:09,173 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:58:09,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:58:12,766 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 176 statements into 1 equivalence classes. [2025-02-08 01:58:12,889 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 176 of 176 statements. [2025-02-08 01:58:12,889 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:58:12,889 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:58:14,195 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2025-02-08 01:58:14,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:58:14,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721663597] [2025-02-08 01:58:14,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [721663597] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:58:14,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [157346456] [2025-02-08 01:58:14,195 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:58:14,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:58:14,196 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:58:14,197 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 01:58:14,199 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-02-08 01:58:18,625 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 176 statements into 1 equivalence classes. [2025-02-08 01:58:19,041 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 176 of 176 statements. [2025-02-08 01:58:19,042 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:58:19,042 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:58:19,067 INFO L256 TraceCheckSpWp]: Trace formula consists of 4706 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 01:58:19,073 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 01:58:20,069 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2025-02-08 01:58:20,069 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 01:58:20,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [157346456] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 01:58:20,069 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 01:58:20,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2025-02-08 01:58:20,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780693337] [2025-02-08 01:58:20,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 01:58:20,070 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 01:58:20,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 01:58:20,071 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 01:58:20,071 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2025-02-08 01:58:20,071 INFO L87 Difference]: Start difference. First operand 362 states and 516 transitions. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 4 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (27), 4 states have call predecessors, (27), 4 states have call successors, (27) [2025-02-08 01:58:21,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 01:58:21,794 INFO L93 Difference]: Finished difference Result 685 states and 992 transitions. [2025-02-08 01:58:21,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 01:58:21,795 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 4 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (27), 4 states have call predecessors, (27), 4 states have call successors, (27) Word has length 176 [2025-02-08 01:58:21,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 01:58:21,798 INFO L225 Difference]: With dead ends: 685 [2025-02-08 01:58:21,798 INFO L226 Difference]: Without dead ends: 368 [2025-02-08 01:58:21,804 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2025-02-08 01:58:21,805 INFO L435 NwaCegarLoop]: 440 mSDtfsCounter, 35 mSDsluCounter, 1667 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 2107 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2025-02-08 01:58:21,805 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 2107 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2025-02-08 01:58:21,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2025-02-08 01:58:21,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 362. [2025-02-08 01:58:21,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 214 states have (on average 1.219626168224299) internal successors, (261), 219 states have internal predecessors, (261), 120 states have call successors, (120), 25 states have call predecessors, (120), 26 states have return successors, (135), 117 states have call predecessors, (135), 116 states have call successors, (135) [2025-02-08 01:58:21,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 516 transitions. [2025-02-08 01:58:21,833 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 516 transitions. Word has length 176 [2025-02-08 01:58:21,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 01:58:21,834 INFO L471 AbstractCegarLoop]: Abstraction has 362 states and 516 transitions. [2025-02-08 01:58:21,834 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 4 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (27), 4 states have call predecessors, (27), 4 states have call successors, (27) [2025-02-08 01:58:21,834 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 516 transitions. [2025-02-08 01:58:21,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2025-02-08 01:58:21,836 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:58:21,836 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 7, 7, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 01:58:21,857 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-02-08 01:58:22,037 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:58:22,037 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:58:22,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:58:22,037 INFO L85 PathProgramCache]: Analyzing trace with hash -886577645, now seen corresponding path program 1 times [2025-02-08 01:58:22,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:58:22,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942031209] [2025-02-08 01:58:22,040 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:58:22,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:58:25,750 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 192 statements into 1 equivalence classes. [2025-02-08 01:58:25,864 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 192 of 192 statements. [2025-02-08 01:58:25,865 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:58:25,865 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:58:27,302 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2025-02-08 01:58:27,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:58:27,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [942031209] [2025-02-08 01:58:27,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [942031209] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:58:27,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2016875570] [2025-02-08 01:58:27,302 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:58:27,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:58:27,302 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:58:27,304 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 01:58:27,305 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-02-08 01:58:31,913 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 192 statements into 1 equivalence classes. [2025-02-08 01:58:32,361 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 192 of 192 statements. [2025-02-08 01:58:32,362 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:58:32,362 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:58:32,385 INFO L256 TraceCheckSpWp]: Trace formula consists of 4778 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-08 01:58:32,392 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 01:58:34,164 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2025-02-08 01:58:34,164 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 01:58:34,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2016875570] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 01:58:34,164 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 01:58:34,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 14 [2025-02-08 01:58:34,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919526362] [2025-02-08 01:58:34,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 01:58:34,165 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-08 01:58:34,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 01:58:34,165 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 01:58:34,165 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2025-02-08 01:58:34,165 INFO L87 Difference]: Start difference. First operand 362 states and 516 transitions. Second operand has 8 states, 8 states have (on average 10.25) internal successors, (82), 8 states have internal predecessors, (82), 5 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (28), 5 states have call predecessors, (28), 5 states have call successors, (28) [2025-02-08 01:58:37,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 01:58:37,785 INFO L93 Difference]: Finished difference Result 696 states and 1002 transitions. [2025-02-08 01:58:37,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-08 01:58:37,785 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 8 states have internal predecessors, (82), 5 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (28), 5 states have call predecessors, (28), 5 states have call successors, (28) Word has length 192 [2025-02-08 01:58:37,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 01:58:37,788 INFO L225 Difference]: With dead ends: 696 [2025-02-08 01:58:37,790 INFO L226 Difference]: Without dead ends: 379 [2025-02-08 01:58:37,792 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2025-02-08 01:58:37,793 INFO L435 NwaCegarLoop]: 423 mSDtfsCounter, 70 mSDsluCounter, 2422 mSDsCounter, 0 mSdLazyCounter, 357 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 2845 SdHoareTripleChecker+Invalid, 366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 357 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2025-02-08 01:58:37,793 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 2845 Invalid, 366 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 357 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2025-02-08 01:58:37,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2025-02-08 01:58:37,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 362. [2025-02-08 01:58:37,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 214 states have (on average 1.219626168224299) internal successors, (261), 219 states have internal predecessors, (261), 120 states have call successors, (120), 25 states have call predecessors, (120), 26 states have return successors, (135), 117 states have call predecessors, (135), 116 states have call successors, (135) [2025-02-08 01:58:37,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 516 transitions. [2025-02-08 01:58:37,812 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 516 transitions. Word has length 192 [2025-02-08 01:58:37,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 01:58:37,812 INFO L471 AbstractCegarLoop]: Abstraction has 362 states and 516 transitions. [2025-02-08 01:58:37,812 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 8 states have internal predecessors, (82), 5 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (28), 5 states have call predecessors, (28), 5 states have call successors, (28) [2025-02-08 01:58:37,812 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 516 transitions. [2025-02-08 01:58:37,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2025-02-08 01:58:37,814 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:58:37,814 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 7, 7, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 01:58:37,835 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-02-08 01:58:38,015 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2025-02-08 01:58:38,015 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:58:38,016 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:58:38,016 INFO L85 PathProgramCache]: Analyzing trace with hash 1210468387, now seen corresponding path program 1 times [2025-02-08 01:58:38,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:58:38,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594548738] [2025-02-08 01:58:38,016 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:58:38,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:58:41,604 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 206 statements into 1 equivalence classes. [2025-02-08 01:58:41,682 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 206 of 206 statements. [2025-02-08 01:58:41,682 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:58:41,682 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:58:42,961 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2025-02-08 01:58:42,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:58:42,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594548738] [2025-02-08 01:58:42,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [594548738] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:58:42,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1503257405] [2025-02-08 01:58:42,962 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:58:42,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:58:42,962 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:58:42,966 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 01:58:42,968 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process