./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness_negated.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_push_ref_harness_negated.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 8a38a43769c42d8669572ba16bfe2bf0ba7986e6a4cc5f2e35ff1bb4fb35c723 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 01:56:18,882 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 01:56:18,946 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-08 01:56:18,950 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 01:56:18,950 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 01:56:18,962 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 01:56:18,963 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 01:56:18,963 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 01:56:18,963 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 01:56:18,963 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 01:56:18,963 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 01:56:18,963 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 01:56:18,964 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 01:56:18,964 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 01:56:18,964 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 01:56:18,964 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 01:56:18,964 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 01:56:18,964 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 01:56:18,964 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 01:56:18,964 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 01:56:18,964 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 01:56:18,965 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 01:56:18,965 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 01:56:18,965 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 01:56:18,965 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 01:56:18,965 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 01:56:18,965 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 01:56:18,965 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 01:56:18,965 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 01:56:18,965 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:56:18,966 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 01:56:18,966 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 01:56:18,966 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 01:56:18,966 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 01:56:18,966 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 01:56:18,966 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 01:56:18,966 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 01:56:18,966 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 01:56:18,966 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 01:56:18,966 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 01:56:18,966 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 -> 8a38a43769c42d8669572ba16bfe2bf0ba7986e6a4cc5f2e35ff1bb4fb35c723 [2025-02-08 01:56:19,182 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 01:56:19,195 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 01:56:19,197 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 01:56:19,197 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 01:56:19,198 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 01:56:19,198 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness_negated.i [2025-02-08 01:56:20,338 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b511979c6/0ad045d3fe2648719cd881df52ae2b8d/FLAG9b6ceb468 [2025-02-08 01:56:20,858 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 01:56:20,859 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness_negated.i [2025-02-08 01:56:20,891 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b511979c6/0ad045d3fe2648719cd881df52ae2b8d/FLAG9b6ceb468 [2025-02-08 01:56:20,916 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b511979c6/0ad045d3fe2648719cd881df52ae2b8d [2025-02-08 01:56:20,919 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 01:56:20,920 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 01:56:20,921 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 01:56:20,921 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 01:56:20,924 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 01:56:20,924 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:56:20" (1/1) ... [2025-02-08 01:56:20,925 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18487e43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:56:20, skipping insertion in model container [2025-02-08 01:56:20,925 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:56:20" (1/1) ... [2025-02-08 01:56:20,986 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 01:56:21,187 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_push_ref_harness_negated.i[4501,4514] [2025-02-08 01:56:21,194 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_push_ref_harness_negated.i[4561,4574] [2025-02-08 01:56:21,648 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:21,649 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:21,649 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:21,650 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:21,650 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:21,659 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:21,659 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:21,661 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:21,661 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:21,662 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:21,663 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:21,663 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:21,663 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:21,974 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:21,982 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:22,078 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:22,079 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:22,079 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:22,079 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:22,080 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:22,080 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:22,080 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:22,081 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:22,081 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:22,081 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:22,081 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:22,081 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:22,081 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:22,087 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:22,088 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:22,088 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:22,088 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:22,090 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:22,092 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:22,100 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:22,101 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:22,102 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:22,117 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:56:22,152 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 01:56:22,162 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_push_ref_harness_negated.i[4501,4514] [2025-02-08 01:56:22,165 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_push_ref_harness_negated.i[4561,4574] [2025-02-08 01:56:22,248 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:22,248 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:22,249 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:22,249 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:22,250 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:22,256 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:22,257 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:22,258 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:22,258 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:22,259 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:22,259 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:22,259 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:22,260 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:22,317 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:22,320 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:22,326 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7739-7750] [2025-02-08 01:56:22,343 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:22,344 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:22,344 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:22,344 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:22,344 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:22,345 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:22,345 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:22,346 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:22,346 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:22,347 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:22,347 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:22,347 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:22,347 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:22,347 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:22,348 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:22,348 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:22,348 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:22,350 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:22,350 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:22,355 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:22,355 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:22,355 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:22,362 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:56:22,530 INFO L204 MainTranslator]: Completed translation [2025-02-08 01:56:22,531 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:56:22 WrapperNode [2025-02-08 01:56:22,531 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 01:56:22,533 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 01:56:22,533 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 01:56:22,533 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 01:56:22,538 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:56:22" (1/1) ... [2025-02-08 01:56:22,588 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:56:22" (1/1) ... [2025-02-08 01:56:22,657 INFO L138 Inliner]: procedures = 686, calls = 1892, calls flagged for inlining = 57, calls inlined = 17, statements flattened = 1174 [2025-02-08 01:56:22,658 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 01:56:22,658 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 01:56:22,659 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 01:56:22,659 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 01:56:22,665 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:56:22" (1/1) ... [2025-02-08 01:56:22,665 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:56:22" (1/1) ... [2025-02-08 01:56:22,671 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:56:22" (1/1) ... [2025-02-08 01:56:22,793 INFO L175 MemorySlicer]: Split 384 memory accesses to 6 slices as follows [238, 2, 104, 24, 7, 9]. 62 percent of accesses are in the largest equivalence class. The 16 initializations are split as follows [6, 2, 0, 5, 2, 1]. The 268 writes are split as follows [232, 0, 26, 8, 1, 1]. [2025-02-08 01:56:22,793 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:56:22" (1/1) ... [2025-02-08 01:56:22,793 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:56:22" (1/1) ... [2025-02-08 01:56:22,827 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:56:22" (1/1) ... [2025-02-08 01:56:22,829 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:56:22" (1/1) ... [2025-02-08 01:56:22,836 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:56:22" (1/1) ... [2025-02-08 01:56:22,840 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:56:22" (1/1) ... [2025-02-08 01:56:22,854 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 01:56:22,856 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 01:56:22,859 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 01:56:22,859 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 01:56:22,860 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:56:22" (1/1) ... [2025-02-08 01:56:22,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:56:22,876 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:56:22,895 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 01:56:22,906 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 01:56:22,937 INFO L130 BoogieDeclarations]: Found specification of procedure s_swap [2025-02-08 01:56:22,937 INFO L138 BoogieDeclarations]: Found implementation of procedure s_swap [2025-02-08 01:56:22,937 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_init_dynamic [2025-02-08 01:56:22,937 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_init_dynamic [2025-02-08 01:56:22,937 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2025-02-08 01:56:22,937 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2025-02-08 01:56:22,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 01:56:22,937 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2025-02-08 01:56:22,937 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2025-02-08 01:56:22,937 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2025-02-08 01:56:22,937 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2025-02-08 01:56:22,937 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-08 01:56:22,937 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-08 01:56:22,937 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2025-02-08 01:56:22,937 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2025-02-08 01:56:22,937 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_up [2025-02-08 01:56:22,937 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_up [2025-02-08 01:56:22,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-08 01:56:22,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-08 01:56:22,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-08 01:56:22,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-08 01:56:22,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-08 01:56:22,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-02-08 01:56:22,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-08 01:56:22,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-08 01:56:22,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-08 01:56:22,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-08 01:56:22,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-08 01:56:22,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-08 01:56:22,937 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-02-08 01:56:22,938 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-02-08 01:56:22,938 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-08 01:56:22,938 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-08 01:56:22,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-08 01:56:22,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 01:56:22,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-08 01:56:22,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-08 01:56:22,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-08 01:56:22,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-08 01:56:22,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-08 01:56:22,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-02-08 01:56:22,938 INFO L130 BoogieDeclarations]: Found specification of procedure my_abort [2025-02-08 01:56:22,939 INFO L138 BoogieDeclarations]: Found implementation of procedure my_abort [2025-02-08 01:56:22,939 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2025-02-08 01:56:22,939 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2025-02-08 01:56:22,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 01:56:22,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 01:56:22,939 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-08 01:56:22,939 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-08 01:56:22,939 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2025-02-08 01:56:22,939 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2025-02-08 01:56:22,939 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-02-08 01:56:22,939 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-02-08 01:56:22,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-08 01:56:22,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-08 01:56:22,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-08 01:56:22,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-08 01:56:22,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-08 01:56:22,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-02-08 01:56:22,939 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2025-02-08 01:56:22,939 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2025-02-08 01:56:22,939 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2025-02-08 01:56:22,939 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2025-02-08 01:56:22,939 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2025-02-08 01:56:22,939 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2025-02-08 01:56:22,939 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2025-02-08 01:56:22,939 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2025-02-08 01:56:22,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-02-08 01:56:22,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-02-08 01:56:22,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-02-08 01:56:22,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-02-08 01:56:22,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-02-08 01:56:22,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2025-02-08 01:56:22,939 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-02-08 01:56:22,939 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-02-08 01:56:22,939 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-02-08 01:56:22,939 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-02-08 01:56:22,939 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-02-08 01:56:22,939 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2025-02-08 01:56:22,939 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-08 01:56:22,939 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-08 01:56:22,939 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2025-02-08 01:56:22,939 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2025-02-08 01:56:22,939 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_pop_back [2025-02-08 01:56:22,939 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_pop_back [2025-02-08 01:56:22,939 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2025-02-08 01:56:22,939 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2025-02-08 01:56:22,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-08 01:56:22,939 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2025-02-08 01:56:22,939 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2025-02-08 01:56:22,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-08 01:56:22,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-08 01:56:22,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-08 01:56:22,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-08 01:56:22,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-08 01:56:22,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-02-08 01:56:22,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-08 01:56:22,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-08 01:56:22,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-08 01:56:22,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-08 01:56:22,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-08 01:56:22,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-02-08 01:56:22,940 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_push_ref [2025-02-08 01:56:22,940 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_push_ref [2025-02-08 01:56:22,941 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2025-02-08 01:56:22,941 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2025-02-08 01:56:22,941 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-02-08 01:56:22,941 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-02-08 01:56:22,941 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-02-08 01:56:22,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-02-08 01:56:22,941 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2025-02-08 01:56:22,941 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2025-02-08 01:56:22,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-08 01:56:22,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-08 01:56:22,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-08 01:56:22,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-08 01:56:22,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-08 01:56:22,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-08 01:56:22,942 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2025-02-08 01:56:22,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2025-02-08 01:56:22,942 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_set_at [2025-02-08 01:56:22,942 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_set_at [2025-02-08 01:56:22,942 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2025-02-08 01:56:22,942 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2025-02-08 01:56:22,942 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-02-08 01:56:22,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-02-08 01:56:22,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 01:56:22,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-08 01:56:22,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-08 01:56:22,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-08 01:56:22,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-08 01:56:22,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-08 01:56:23,259 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 01:56:23,261 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 01:56:23,301 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6923: havoc #t~malloc583.base, #t~malloc583.offset; [2025-02-08 01:56:23,323 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc #t~nondet6; [2025-02-08 01:56:23,345 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2590: havoc #t~ret57#1; [2025-02-08 01:56:23,421 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6937: havoc #t~ret587;havoc #t~ite589.base, #t~ite589.offset;havoc #t~ret588.base, #t~ret588.offset; [2025-02-08 01:56:23,499 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L8240: havoc aws_priority_queue_backpointers_valid_#t~ret874#1;havoc aws_priority_queue_backpointers_valid_#t~short875#1; [2025-02-08 01:56:23,570 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 01:56:23,575 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-08 01:56:23,683 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L8335-1: SUMMARY for call #t~ret908#1 := aws_array_list_pop_back(~queue#1.base, 8 + ~queue#1.offset); srcloc: null [2025-02-08 01:56:23,683 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L8335: assume -2147483648 <= #t~ret908#1 && #t~ret908#1 <= 2147483647; [2025-02-08 01:56:23,684 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2997: havoc aws_array_list_push_back_#t~ret123#1; [2025-02-08 01:56:23,684 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L8336-2: SUMMARY for call #t~ret909#1 := aws_priority_queue_is_valid(~queue#1.base, ~queue#1.offset); srcloc: null [2025-02-08 01:56:23,684 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L8336-1: SUMMARY for call __VERIFIER_assert((if 0 == (if 0 == #t~ret909#1 % 256 then 1 else 0) then 0 else 1)); srcloc: null [2025-02-08 01:56:23,684 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L8336: havoc #t~ret909#1;#res#1 := -1;call ULTIMATE.dealloc(~#backpointer#1.base, ~#backpointer#1.offset);havoc ~#backpointer#1.base, ~#backpointer#1.offset; [2025-02-08 01:56:23,684 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L8284: call ULTIMATE.dealloc(~#backpointer#1.base, ~#backpointer#1.offset);havoc ~#backpointer#1.base, ~#backpointer#1.offset; [2025-02-08 01:56:23,684 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2995-3: aws_array_list_push_back_#t~ret118#1 := aws_last_error_#res#1;assume { :end_inline_aws_last_error } true;assume -2147483648 <= aws_array_list_push_back_#t~ret118#1 && aws_array_list_push_back_#t~ret118#1 <= 2147483647;aws_array_list_push_back_#t~short119#1 := 9 == aws_array_list_push_back_#t~ret118#1; [2025-02-08 01:56:23,688 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6962: havoc #t~ret595.base, #t~ret595.offset; [2025-02-08 01:56:23,798 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7504: havoc aws_array_list_ensure_capacity_#t~ret764#1; [2025-02-08 01:56:23,798 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7381: call ULTIMATE.dealloc(aws_array_list_calc_necessary_size_~#index_inc~0#1.base, aws_array_list_calc_necessary_size_~#index_inc~0#1.offset);havoc aws_array_list_calc_necessary_size_~#index_inc~0#1.base, aws_array_list_calc_necessary_size_~#index_inc~0#1.offset; [2025-02-08 01:56:23,798 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7482: call ULTIMATE.dealloc(aws_array_list_ensure_capacity_~#necessary_size~0#1.base, aws_array_list_ensure_capacity_~#necessary_size~0#1.offset);havoc aws_array_list_ensure_capacity_~#necessary_size~0#1.base, aws_array_list_ensure_capacity_~#necessary_size~0#1.offset; [2025-02-08 01:56:23,799 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7491: havoc aws_array_list_ensure_capacity_#t~ret757#1; [2025-02-08 01:56:23,826 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L8154: havoc ~node~1.base, ~node~1.offset; [2025-02-08 01:56:23,848 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L262: havoc nondet_int_#t~nondet5#1; [2025-02-08 01:56:23,848 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7252: havoc nondet_compare_#t~ret668#1; [2025-02-08 01:56:23,860 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3203: havoc #t~ret243; [2025-02-08 01:56:23,865 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7360: havoc #t~ret681.base, #t~ret681.offset; [2025-02-08 01:56:23,897 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L8050: 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 01:56:23,980 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2878: call ULTIMATE.dealloc(~#allocation_size~0.base, ~#allocation_size~0.offset);havoc ~#allocation_size~0.base, ~#allocation_size~0.offset; [2025-02-08 01:56:23,980 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2902: #res := -1;call ULTIMATE.dealloc(~#allocation_size~0.base, ~#allocation_size~0.offset);havoc ~#allocation_size~0.base, ~#allocation_size~0.offset; [2025-02-08 01:56:23,980 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2902-2: SUMMARY for call #t~ret82 := aws_is_mem_zeroed(~list.base, ~list.offset, 40); srcloc: null [2025-02-08 01:56:23,980 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2902-1: SUMMARY for call __VERIFIER_assert((if 0 == (if 0 == #t~ret82 % 256 then 1 else 0) then 0 else 1)); srcloc: null [2025-02-08 01:56:23,988 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2617: havoc #t~ret59#1; [2025-02-08 01:56:29,541 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3121: havoc #t~ret187; [2025-02-08 01:56:29,541 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3108: havoc ~last_item_offset~1; [2025-02-08 01:56:29,664 INFO L? ?]: Removed 291 outVars from TransFormulas that were not future-live. [2025-02-08 01:56:29,665 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 01:56:29,686 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 01:56:29,688 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 01:56:29,689 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:56:29 BoogieIcfgContainer [2025-02-08 01:56:29,689 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 01:56:29,690 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 01:56:29,690 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 01:56:29,694 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 01:56:29,694 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 01:56:20" (1/3) ... [2025-02-08 01:56:29,694 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@492cb3e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:56:29, skipping insertion in model container [2025-02-08 01:56:29,694 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:56:22" (2/3) ... [2025-02-08 01:56:29,695 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@492cb3e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:56:29, skipping insertion in model container [2025-02-08 01:56:29,695 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:56:29" (3/3) ... [2025-02-08 01:56:29,696 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_push_ref_harness_negated.i [2025-02-08 01:56:29,707 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 01:56:29,709 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_priority_queue_push_ref_harness_negated.i that has 40 procedures, 556 locations, 1 initial locations, 10 loop locations, and 2 error locations. [2025-02-08 01:56:29,757 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 01:56:29,765 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;@6794e67, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 01:56:29,766 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-02-08 01:56:29,772 INFO L276 IsEmpty]: Start isEmpty. Operand has 538 states, 300 states have (on average 1.2466666666666666) internal successors, (374), 311 states have internal predecessors, (374), 193 states have call successors, (193), 34 states have call predecessors, (193), 34 states have return successors, (193), 193 states have call predecessors, (193), 193 states have call successors, (193) [2025-02-08 01:56:29,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2025-02-08 01:56:29,786 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:56:29,787 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:56:29,788 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:56:29,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:56:29,792 INFO L85 PathProgramCache]: Analyzing trace with hash -41579049, now seen corresponding path program 1 times [2025-02-08 01:56:29,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:56:29,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362800237] [2025-02-08 01:56:29,797 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:56:29,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:56:34,265 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 189 statements into 1 equivalence classes. [2025-02-08 01:56:34,560 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 189 of 189 statements. [2025-02-08 01:56:34,560 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:56:34,560 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:56:35,071 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2025-02-08 01:56:35,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:56:35,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362800237] [2025-02-08 01:56:35,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [362800237] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:56:35,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1385218879] [2025-02-08 01:56:35,074 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:56:35,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:56:35,075 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:56:35,082 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 01:56:35,090 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 01:56:39,681 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 189 statements into 1 equivalence classes. [2025-02-08 01:56:40,153 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 189 of 189 statements. [2025-02-08 01:56:40,153 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:56:40,154 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:56:40,173 INFO L256 TraceCheckSpWp]: Trace formula consists of 4667 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-08 01:56:40,190 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 01:56:40,207 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2025-02-08 01:56:40,207 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 01:56:40,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1385218879] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 01:56:40,207 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 01:56:40,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-02-08 01:56:40,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139069018] [2025-02-08 01:56:40,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 01:56:40,211 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-08 01:56:40,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 01:56:40,227 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-08 01:56:40,227 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 01:56:40,229 INFO L87 Difference]: Start difference. First operand has 538 states, 300 states have (on average 1.2466666666666666) internal successors, (374), 311 states have internal predecessors, (374), 193 states have call successors, (193), 34 states have call predecessors, (193), 34 states have return successors, (193), 193 states have call predecessors, (193), 193 states have call successors, (193) Second operand has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2025-02-08 01:56:40,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 01:56:40,284 INFO L93 Difference]: Finished difference Result 1010 states and 1534 transitions. [2025-02-08 01:56:40,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-08 01:56:40,286 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 189 [2025-02-08 01:56:40,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 01:56:40,294 INFO L225 Difference]: With dead ends: 1010 [2025-02-08 01:56:40,294 INFO L226 Difference]: Without dead ends: 496 [2025-02-08 01:56:40,301 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 190 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 01:56:40,302 INFO L435 NwaCegarLoop]: 723 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, 723 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 01:56:40,303 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 723 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 01:56:40,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 496 states. [2025-02-08 01:56:40,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 496 to 496. [2025-02-08 01:56:40,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 496 states, 282 states have (on average 1.2127659574468086) internal successors, (342), 286 states have internal predecessors, (342), 179 states have call successors, (179), 34 states have call predecessors, (179), 33 states have return successors, (175), 175 states have call predecessors, (175), 175 states have call successors, (175) [2025-02-08 01:56:40,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 496 states and 696 transitions. [2025-02-08 01:56:40,364 INFO L78 Accepts]: Start accepts. Automaton has 496 states and 696 transitions. Word has length 189 [2025-02-08 01:56:40,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 01:56:40,368 INFO L471 AbstractCegarLoop]: Abstraction has 496 states and 696 transitions. [2025-02-08 01:56:40,369 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2025-02-08 01:56:40,369 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 696 transitions. [2025-02-08 01:56:40,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2025-02-08 01:56:40,375 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:56:40,376 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:56:40,390 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 01:56:40,576 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 01:56:40,577 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:56:40,577 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:56:40,577 INFO L85 PathProgramCache]: Analyzing trace with hash 1744794838, now seen corresponding path program 1 times [2025-02-08 01:56:40,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:56:40,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666802950] [2025-02-08 01:56:40,578 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:56:40,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:56:44,316 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 189 statements into 1 equivalence classes. [2025-02-08 01:56:44,434 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 189 of 189 statements. [2025-02-08 01:56:44,434 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:56:44,434 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:56:45,532 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 302 trivial. 0 not checked. [2025-02-08 01:56:45,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:56:45,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666802950] [2025-02-08 01:56:45,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666802950] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:56:45,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [960933835] [2025-02-08 01:56:45,532 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:56:45,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:56:45,532 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:56:45,536 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 01:56:45,596 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 01:56:50,047 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 189 statements into 1 equivalence classes. [2025-02-08 01:56:50,501 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 189 of 189 statements. [2025-02-08 01:56:50,501 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:56:50,501 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:56:50,522 INFO L256 TraceCheckSpWp]: Trace formula consists of 4667 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 01:56:50,528 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 01:56:51,299 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2025-02-08 01:56:51,299 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 01:56:51,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [960933835] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 01:56:51,299 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 01:56:51,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2025-02-08 01:56:51,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349510180] [2025-02-08 01:56:51,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 01:56:51,300 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 01:56:51,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 01:56:51,303 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 01:56:51,303 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-02-08 01:56:51,304 INFO L87 Difference]: Start difference. First operand 496 states and 696 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 3 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2025-02-08 01:56:52,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 01:56:52,180 INFO L93 Difference]: Finished difference Result 949 states and 1340 transitions. [2025-02-08 01:56:52,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 01:56:52,181 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 3 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 189 [2025-02-08 01:56:52,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 01:56:52,185 INFO L225 Difference]: With dead ends: 949 [2025-02-08 01:56:52,186 INFO L226 Difference]: Without dead ends: 498 [2025-02-08 01:56:52,191 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 187 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 01:56:52,192 INFO L435 NwaCegarLoop]: 677 mSDtfsCounter, 8 mSDsluCounter, 1982 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 2659 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-02-08 01:56:52,192 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 2659 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-02-08 01:56:52,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 498 states. [2025-02-08 01:56:52,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 498 to 498. [2025-02-08 01:56:52,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 498 states, 283 states have (on average 1.2120141342756183) internal successors, (343), 288 states have internal predecessors, (343), 179 states have call successors, (179), 34 states have call predecessors, (179), 34 states have return successors, (182), 175 states have call predecessors, (182), 175 states have call successors, (182) [2025-02-08 01:56:52,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 498 states and 704 transitions. [2025-02-08 01:56:52,216 INFO L78 Accepts]: Start accepts. Automaton has 498 states and 704 transitions. Word has length 189 [2025-02-08 01:56:52,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 01:56:52,217 INFO L471 AbstractCegarLoop]: Abstraction has 498 states and 704 transitions. [2025-02-08 01:56:52,217 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 3 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2025-02-08 01:56:52,217 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 704 transitions. [2025-02-08 01:56:52,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2025-02-08 01:56:52,219 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:56:52,223 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:56:52,238 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 01:56:52,423 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 01:56:52,424 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:56:52,425 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:56:52,425 INFO L85 PathProgramCache]: Analyzing trace with hash -612713038, now seen corresponding path program 1 times [2025-02-08 01:56:52,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:56:52,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012900202] [2025-02-08 01:56:52,425 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:56:52,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:56:56,397 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 197 statements into 1 equivalence classes. [2025-02-08 01:56:56,489 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 197 of 197 statements. [2025-02-08 01:56:56,489 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:56:56,489 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:56:57,714 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 305 trivial. 0 not checked. [2025-02-08 01:56:57,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:56:57,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012900202] [2025-02-08 01:56:57,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012900202] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:56:57,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1881197224] [2025-02-08 01:56:57,714 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:56:57,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:56:57,714 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:56:57,716 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 01:56:57,717 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 01:57:02,025 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 197 statements into 1 equivalence classes. [2025-02-08 01:57:02,470 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 197 of 197 statements. [2025-02-08 01:57:02,470 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:57:02,470 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:57:02,490 INFO L256 TraceCheckSpWp]: Trace formula consists of 4717 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 01:57:02,496 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 01:57:03,802 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2025-02-08 01:57:03,802 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 01:57:03,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1881197224] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 01:57:03,803 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 01:57:03,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2025-02-08 01:57:03,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855509436] [2025-02-08 01:57:03,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 01:57:03,803 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 01:57:03,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 01:57:03,804 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 01:57:03,804 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2025-02-08 01:57:03,804 INFO L87 Difference]: Start difference. First operand 498 states and 704 transitions. Second operand has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 4 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) [2025-02-08 01:57:07,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 01:57:07,783 INFO L93 Difference]: Finished difference Result 972 states and 1411 transitions. [2025-02-08 01:57:07,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 01:57:07,783 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 4 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) Word has length 197 [2025-02-08 01:57:07,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 01:57:07,788 INFO L225 Difference]: With dead ends: 972 [2025-02-08 01:57:07,788 INFO L226 Difference]: Without dead ends: 519 [2025-02-08 01:57:07,791 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 193 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 01:57:07,791 INFO L435 NwaCegarLoop]: 661 mSDtfsCounter, 35 mSDsluCounter, 3174 mSDsCounter, 0 mSdLazyCounter, 389 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 3835 SdHoareTripleChecker+Invalid, 391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 389 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2025-02-08 01:57:07,791 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 3835 Invalid, 391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 389 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2025-02-08 01:57:07,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2025-02-08 01:57:07,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 517. [2025-02-08 01:57:07,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 517 states, 299 states have (on average 1.2207357859531773) internal successors, (365), 304 states have internal predecessors, (365), 181 states have call successors, (181), 34 states have call predecessors, (181), 35 states have return successors, (213), 178 states have call predecessors, (213), 177 states have call successors, (213) [2025-02-08 01:57:07,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 517 states and 759 transitions. [2025-02-08 01:57:07,821 INFO L78 Accepts]: Start accepts. Automaton has 517 states and 759 transitions. Word has length 197 [2025-02-08 01:57:07,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 01:57:07,822 INFO L471 AbstractCegarLoop]: Abstraction has 517 states and 759 transitions. [2025-02-08 01:57:07,822 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 4 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) [2025-02-08 01:57:07,822 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 759 transitions. [2025-02-08 01:57:07,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2025-02-08 01:57:07,826 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:57:07,826 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:57:07,845 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-02-08 01:57:08,026 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 01:57:08,027 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:57:08,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:57:08,028 INFO L85 PathProgramCache]: Analyzing trace with hash 1486136736, now seen corresponding path program 1 times [2025-02-08 01:57:08,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:57:08,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568781074] [2025-02-08 01:57:08,028 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:57:08,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:57:11,763 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 211 statements into 1 equivalence classes. [2025-02-08 01:57:11,887 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 211 of 211 statements. [2025-02-08 01:57:11,888 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:57:11,888 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:57:13,029 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2025-02-08 01:57:13,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:57:13,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568781074] [2025-02-08 01:57:13,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1568781074] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:57:13,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [417269874] [2025-02-08 01:57:13,030 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:57:13,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:57:13,030 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:57:13,034 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 01:57:13,043 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 01:57:17,551 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 211 statements into 1 equivalence classes. [2025-02-08 01:57:18,034 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 211 of 211 statements. [2025-02-08 01:57:18,034 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:57:18,034 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:57:18,063 INFO L256 TraceCheckSpWp]: Trace formula consists of 4844 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 01:57:18,073 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 01:57:19,138 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2025-02-08 01:57:19,138 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 01:57:19,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [417269874] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 01:57:19,139 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 01:57:19,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2025-02-08 01:57:19,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458342169] [2025-02-08 01:57:19,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 01:57:19,139 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 01:57:19,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 01:57:19,140 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 01:57:19,140 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2025-02-08 01:57:19,140 INFO L87 Difference]: Start difference. First operand 517 states and 759 transitions. Second operand has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 6 states have internal predecessors, (79), 4 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2025-02-08 01:57:20,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 01:57:20,696 INFO L93 Difference]: Finished difference Result 995 states and 1476 transitions. [2025-02-08 01:57:20,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 01:57:20,697 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 6 states have internal predecessors, (79), 4 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) Word has length 211 [2025-02-08 01:57:20,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 01:57:20,705 INFO L225 Difference]: With dead ends: 995 [2025-02-08 01:57:20,705 INFO L226 Difference]: Without dead ends: 523 [2025-02-08 01:57:20,712 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 208 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 01:57:20,713 INFO L435 NwaCegarLoop]: 671 mSDtfsCounter, 25 mSDsluCounter, 2603 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 3274 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2025-02-08 01:57:20,713 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 3274 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2025-02-08 01:57:20,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 523 states. [2025-02-08 01:57:20,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 523 to 517. [2025-02-08 01:57:20,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 517 states, 299 states have (on average 1.2207357859531773) internal successors, (365), 304 states have internal predecessors, (365), 181 states have call successors, (181), 34 states have call predecessors, (181), 35 states have return successors, (213), 178 states have call predecessors, (213), 177 states have call successors, (213) [2025-02-08 01:57:20,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 517 states and 759 transitions. [2025-02-08 01:57:20,754 INFO L78 Accepts]: Start accepts. Automaton has 517 states and 759 transitions. Word has length 211 [2025-02-08 01:57:20,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 01:57:20,755 INFO L471 AbstractCegarLoop]: Abstraction has 517 states and 759 transitions. [2025-02-08 01:57:20,755 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 6 states have internal predecessors, (79), 4 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2025-02-08 01:57:20,755 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 759 transitions. [2025-02-08 01:57:20,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2025-02-08 01:57:20,757 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:57:20,757 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 5, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:57:20,794 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-02-08 01:57:20,958 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 01:57:20,958 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:57:20,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:57:20,959 INFO L85 PathProgramCache]: Analyzing trace with hash 1356956694, now seen corresponding path program 1 times [2025-02-08 01:57:20,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:57:20,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520758416] [2025-02-08 01:57:20,959 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:57:20,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:57:24,772 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 227 statements into 1 equivalence classes. [2025-02-08 01:57:24,877 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 227 of 227 statements. [2025-02-08 01:57:24,877 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:57:24,877 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:57:26,383 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 318 trivial. 0 not checked. [2025-02-08 01:57:26,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:57:26,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520758416] [2025-02-08 01:57:26,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [520758416] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:57:26,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1743089433] [2025-02-08 01:57:26,385 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:57:26,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:57:26,385 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:57:26,388 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 01:57:26,389 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 01:57:31,109 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 227 statements into 1 equivalence classes. [2025-02-08 01:57:31,591 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 227 of 227 statements. [2025-02-08 01:57:31,591 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:57:31,591 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:57:31,614 INFO L256 TraceCheckSpWp]: Trace formula consists of 4916 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-08 01:57:31,625 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 01:57:33,517 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2025-02-08 01:57:33,518 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 01:57:33,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1743089433] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 01:57:33,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 01:57:33,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 14 [2025-02-08 01:57:33,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267294603] [2025-02-08 01:57:33,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 01:57:33,519 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-08 01:57:33,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 01:57:33,519 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 01:57:33,519 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2025-02-08 01:57:33,519 INFO L87 Difference]: Start difference. First operand 517 states and 759 transitions. Second operand has 8 states, 8 states have (on average 11.625) internal successors, (93), 8 states have internal predecessors, (93), 5 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (33), 5 states have call predecessors, (33), 5 states have call successors, (33) [2025-02-08 01:57:38,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 01:57:38,560 INFO L93 Difference]: Finished difference Result 1006 states and 1487 transitions. [2025-02-08 01:57:38,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-08 01:57:38,561 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 8 states have internal predecessors, (93), 5 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (33), 5 states have call predecessors, (33), 5 states have call successors, (33) Word has length 227 [2025-02-08 01:57:38,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 01:57:38,568 INFO L225 Difference]: With dead ends: 1006 [2025-02-08 01:57:38,568 INFO L226 Difference]: Without dead ends: 534 [2025-02-08 01:57:38,570 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2025-02-08 01:57:38,572 INFO L435 NwaCegarLoop]: 636 mSDtfsCounter, 60 mSDsluCounter, 3676 mSDsCounter, 0 mSdLazyCounter, 491 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 4312 SdHoareTripleChecker+Invalid, 500 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 491 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2025-02-08 01:57:38,572 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 4312 Invalid, 500 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 491 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2025-02-08 01:57:38,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 534 states. [2025-02-08 01:57:38,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 534 to 517. [2025-02-08 01:57:38,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 517 states, 299 states have (on average 1.2207357859531773) internal successors, (365), 304 states have internal predecessors, (365), 181 states have call successors, (181), 34 states have call predecessors, (181), 35 states have return successors, (213), 178 states have call predecessors, (213), 177 states have call successors, (213) [2025-02-08 01:57:38,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 517 states and 759 transitions. [2025-02-08 01:57:38,596 INFO L78 Accepts]: Start accepts. Automaton has 517 states and 759 transitions. Word has length 227 [2025-02-08 01:57:38,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 01:57:38,597 INFO L471 AbstractCegarLoop]: Abstraction has 517 states and 759 transitions. [2025-02-08 01:57:38,597 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 8 states have internal predecessors, (93), 5 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (33), 5 states have call predecessors, (33), 5 states have call successors, (33) [2025-02-08 01:57:38,598 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 759 transitions. [2025-02-08 01:57:38,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2025-02-08 01:57:38,600 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:57:38,601 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 01:57:38,621 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 01:57:38,801 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 01:57:38,802 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:57:38,802 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:57:38,802 INFO L85 PathProgramCache]: Analyzing trace with hash -1060361432, now seen corresponding path program 2 times [2025-02-08 01:57:38,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:57:38,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556438303] [2025-02-08 01:57:38,803 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 01:57:38,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:57:42,569 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 241 statements into 2 equivalence classes. [2025-02-08 01:57:42,674 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 26 of 241 statements. [2025-02-08 01:57:42,674 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-08 01:57:42,674 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:57:44,725 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 339 trivial. 0 not checked. [2025-02-08 01:57:44,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:57:44,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556438303] [2025-02-08 01:57:44,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1556438303] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 01:57:44,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 01:57:44,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-08 01:57:44,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197308134] [2025-02-08 01:57:44,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 01:57:44,728 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 01:57:44,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 01:57:44,728 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 01:57:44,729 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-08 01:57:44,730 INFO L87 Difference]: Start difference. First operand 517 states and 759 transitions. Second operand has 6 states, 5 states have (on average 17.0) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (33), 2 states have call predecessors, (33), 1 states have call successors, (33) [2025-02-08 01:57:45,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 01:57:45,330 INFO L93 Difference]: Finished difference Result 525 states and 767 transitions. [2025-02-08 01:57:45,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 01:57:45,331 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.0) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (33), 2 states have call predecessors, (33), 1 states have call successors, (33) Word has length 241 [2025-02-08 01:57:45,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 01:57:45,335 INFO L225 Difference]: With dead ends: 525 [2025-02-08 01:57:45,335 INFO L226 Difference]: Without dead ends: 523 [2025-02-08 01:57:45,336 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2025-02-08 01:57:45,336 INFO L435 NwaCegarLoop]: 693 mSDtfsCounter, 3 mSDsluCounter, 2739 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 3432 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-08 01:57:45,336 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 3432 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-08 01:57:45,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 523 states. [2025-02-08 01:57:45,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 523 to 522. [2025-02-08 01:57:45,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 522 states, 302 states have (on average 1.218543046357616) internal successors, (368), 307 states have internal predecessors, (368), 182 states have call successors, (182), 35 states have call predecessors, (182), 36 states have return successors, (214), 179 states have call predecessors, (214), 178 states have call successors, (214) [2025-02-08 01:57:45,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 522 states and 764 transitions. [2025-02-08 01:57:45,363 INFO L78 Accepts]: Start accepts. Automaton has 522 states and 764 transitions. Word has length 241 [2025-02-08 01:57:45,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 01:57:45,364 INFO L471 AbstractCegarLoop]: Abstraction has 522 states and 764 transitions. [2025-02-08 01:57:45,364 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.0) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (33), 2 states have call predecessors, (33), 1 states have call successors, (33) [2025-02-08 01:57:45,364 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 764 transitions. [2025-02-08 01:57:45,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2025-02-08 01:57:45,366 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:57:45,366 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:57:45,366 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-08 01:57:45,366 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:57:45,366 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:57:45,367 INFO L85 PathProgramCache]: Analyzing trace with hash 1092850362, now seen corresponding path program 3 times [2025-02-08 01:57:45,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:57:45,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961605197] [2025-02-08 01:57:45,367 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 01:57:45,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:57:49,653 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 255 statements into 11 equivalence classes.