./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_priority_queue_push_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_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 2270fe5cc07251a3e14220516eaebb03f8e5cd298a28c4582f3a498662459431 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 01:56:14,818 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 01:56:14,862 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-08 01:56:14,867 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 01:56:14,868 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 01:56:14,885 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 01:56:14,885 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 01:56:14,886 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 01:56:14,886 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 01:56:14,886 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 01:56:14,886 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 01:56:14,886 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 01:56:14,886 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 01:56:14,886 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 01:56:14,887 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 01:56:14,887 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 01:56:14,887 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 01:56:14,887 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 01:56:14,887 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 01:56:14,887 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 01:56:14,887 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 01:56:14,887 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 01:56:14,887 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 01:56:14,887 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 01:56:14,887 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 01:56:14,888 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 01:56:14,888 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 01:56:14,888 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 01:56:14,888 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 01:56:14,888 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:56:14,888 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 01:56:14,888 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 01:56:14,888 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 01:56:14,888 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 01:56:14,888 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 01:56:14,888 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 01:56:14,889 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 01:56:14,889 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 01:56:14,889 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 01:56:14,889 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 01:56:14,889 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 -> 2270fe5cc07251a3e14220516eaebb03f8e5cd298a28c4582f3a498662459431 [2025-02-08 01:56:15,114 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 01:56:15,121 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 01:56:15,123 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 01:56:15,124 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 01:56:15,124 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 01:56:15,126 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness_negated.i [2025-02-08 01:56:16,307 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1e0e9b7c1/6514c7f5450a4f5db7e4562eec12e5a0/FLAG7c4918808 [2025-02-08 01:56:16,814 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 01:56:16,815 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness_negated.i [2025-02-08 01:56:16,841 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1e0e9b7c1/6514c7f5450a4f5db7e4562eec12e5a0/FLAG7c4918808 [2025-02-08 01:56:16,894 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1e0e9b7c1/6514c7f5450a4f5db7e4562eec12e5a0 [2025-02-08 01:56:16,896 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 01:56:16,897 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 01:56:16,898 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 01:56:16,898 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 01:56:16,902 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 01:56:16,902 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:56:16" (1/1) ... [2025-02-08 01:56:16,903 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53943fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:56:16, skipping insertion in model container [2025-02-08 01:56:16,903 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:56:16" (1/1) ... [2025-02-08 01:56:16,959 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 01:56:17,095 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_harness_negated.i[4497,4510] [2025-02-08 01:56:17,101 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_harness_negated.i[4557,4570] [2025-02-08 01:56:17,558 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:17,566 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:17,567 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:17,568 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:17,568 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:17,583 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:17,587 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:17,588 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:17,588 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:17,589 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:17,590 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:17,590 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:17,594 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:17,942 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:17,946 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:17,991 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:17,991 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:17,991 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:17,992 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:17,992 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:17,992 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:17,992 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:17,994 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:17,994 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:17,995 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:17,995 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:17,995 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:17,995 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:17,998 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:17,999 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:17,999 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:17,999 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:18,001 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:18,003 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:18,011 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:18,012 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:18,012 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:18,030 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:56:18,065 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 01:56:18,074 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_harness_negated.i[4497,4510] [2025-02-08 01:56:18,076 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_harness_negated.i[4557,4570] [2025-02-08 01:56:18,166 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:18,167 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:18,167 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:18,167 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:18,168 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:18,174 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:18,177 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:18,177 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:18,178 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:18,178 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:18,179 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:18,179 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:18,179 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:18,251 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:18,257 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:18,263 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7739-7750] [2025-02-08 01:56:18,279 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:18,281 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:18,281 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:18,281 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:18,281 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:18,282 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:18,282 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:18,282 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:18,282 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:18,282 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:18,282 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:18,282 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:18,283 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:18,283 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:18,283 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:18,283 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:18,283 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:18,284 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:18,284 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:18,290 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:18,293 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:18,293 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:56:18,297 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:56:18,458 INFO L204 MainTranslator]: Completed translation [2025-02-08 01:56:18,459 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:56:18 WrapperNode [2025-02-08 01:56:18,460 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 01:56:18,461 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 01:56:18,461 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 01:56:18,461 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 01:56:18,466 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:56:18" (1/1) ... [2025-02-08 01:56:18,515 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:56:18" (1/1) ... [2025-02-08 01:56:18,566 INFO L138 Inliner]: procedures = 686, calls = 1891, calls flagged for inlining = 59, calls inlined = 19, statements flattened = 1192 [2025-02-08 01:56:18,567 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 01:56:18,567 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 01:56:18,568 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 01:56:18,568 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 01:56:18,580 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:56:18" (1/1) ... [2025-02-08 01:56:18,580 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:56:18" (1/1) ... [2025-02-08 01:56:18,593 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:56:18" (1/1) ... [2025-02-08 01:56:18,689 INFO L175 MemorySlicer]: Split 385 memory accesses to 6 slices as follows [238, 2, 24, 105, 9, 7]. 62 percent of accesses are in the largest equivalence class. The 16 initializations are split as follows [6, 2, 5, 0, 1, 2]. The 268 writes are split as follows [232, 0, 8, 26, 1, 1]. [2025-02-08 01:56:18,689 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:56:18" (1/1) ... [2025-02-08 01:56:18,690 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:56:18" (1/1) ... [2025-02-08 01:56:18,716 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:56:18" (1/1) ... [2025-02-08 01:56:18,719 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:56:18" (1/1) ... [2025-02-08 01:56:18,726 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:56:18" (1/1) ... [2025-02-08 01:56:18,730 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:56:18" (1/1) ... [2025-02-08 01:56:18,741 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 01:56:18,742 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 01:56:18,742 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 01:56:18,742 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 01:56:18,743 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:56:18" (1/1) ... [2025-02-08 01:56:18,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:56:18,760 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:56:18,777 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 01:56:18,784 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 01:56:18,801 INFO L130 BoogieDeclarations]: Found specification of procedure s_swap [2025-02-08 01:56:18,801 INFO L138 BoogieDeclarations]: Found implementation of procedure s_swap [2025-02-08 01:56:18,801 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_init_dynamic [2025-02-08 01:56:18,802 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_init_dynamic [2025-02-08 01:56:18,802 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2025-02-08 01:56:18,802 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2025-02-08 01:56:18,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 01:56:18,802 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2025-02-08 01:56:18,802 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2025-02-08 01:56:18,802 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2025-02-08 01:56:18,802 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2025-02-08 01:56:18,802 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-08 01:56:18,802 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-08 01:56:18,802 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2025-02-08 01:56:18,802 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2025-02-08 01:56:18,802 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_up [2025-02-08 01:56:18,802 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_up [2025-02-08 01:56:18,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-08 01:56:18,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-08 01:56:18,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-08 01:56:18,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-08 01:56:18,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-08 01:56:18,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-02-08 01:56:18,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-08 01:56:18,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-08 01:56:18,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-08 01:56:18,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-08 01:56:18,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-08 01:56:18,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-08 01:56:18,802 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-02-08 01:56:18,802 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-02-08 01:56:18,802 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-08 01:56:18,802 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-08 01:56:18,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-08 01:56:18,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 01:56:18,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-08 01:56:18,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-08 01:56:18,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-08 01:56:18,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-08 01:56:18,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-08 01:56:18,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-02-08 01:56:18,802 INFO L130 BoogieDeclarations]: Found specification of procedure my_abort [2025-02-08 01:56:18,802 INFO L138 BoogieDeclarations]: Found implementation of procedure my_abort [2025-02-08 01:56:18,802 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2025-02-08 01:56:18,802 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2025-02-08 01:56:18,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 01:56:18,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 01:56:18,802 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-08 01:56:18,803 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-08 01:56:18,803 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2025-02-08 01:56:18,803 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2025-02-08 01:56:18,803 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-02-08 01:56:18,803 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-02-08 01:56:18,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-08 01:56:18,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-08 01:56:18,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-08 01:56:18,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-08 01:56:18,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-08 01:56:18,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-02-08 01:56:18,803 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2025-02-08 01:56:18,803 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2025-02-08 01:56:18,803 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2025-02-08 01:56:18,803 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2025-02-08 01:56:18,803 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2025-02-08 01:56:18,803 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2025-02-08 01:56:18,803 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2025-02-08 01:56:18,803 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2025-02-08 01:56:18,803 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-02-08 01:56:18,803 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-02-08 01:56:18,803 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-02-08 01:56:18,803 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-02-08 01:56:18,803 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-02-08 01:56:18,803 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2025-02-08 01:56:18,806 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-02-08 01:56:18,806 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-02-08 01:56:18,806 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-02-08 01:56:18,806 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-02-08 01:56:18,807 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-02-08 01:56:18,807 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2025-02-08 01:56:18,807 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-08 01:56:18,807 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-08 01:56:18,807 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2025-02-08 01:56:18,809 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2025-02-08 01:56:18,809 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_pop_back [2025-02-08 01:56:18,809 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_pop_back [2025-02-08 01:56:18,809 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2025-02-08 01:56:18,809 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2025-02-08 01:56:18,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-08 01:56:18,809 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2025-02-08 01:56:18,809 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2025-02-08 01:56:18,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-08 01:56:18,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-08 01:56:18,810 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-08 01:56:18,810 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-08 01:56:18,810 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-08 01:56:18,810 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-02-08 01:56:18,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-08 01:56:18,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-08 01:56:18,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-08 01:56:18,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-08 01:56:18,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-08 01:56:18,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-02-08 01:56:18,810 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2025-02-08 01:56:18,810 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2025-02-08 01:56:18,810 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-02-08 01:56:18,810 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-02-08 01:56:18,810 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-02-08 01:56:18,810 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-02-08 01:56:18,810 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2025-02-08 01:56:18,810 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2025-02-08 01:56:18,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-08 01:56:18,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-08 01:56:18,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-08 01:56:18,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-08 01:56:18,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-08 01:56:18,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-08 01:56:18,810 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2025-02-08 01:56:18,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2025-02-08 01:56:18,810 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_set_at [2025-02-08 01:56:18,810 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_set_at [2025-02-08 01:56:18,810 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2025-02-08 01:56:18,810 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2025-02-08 01:56:18,810 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-02-08 01:56:18,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-02-08 01:56:18,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 01:56:18,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-08 01:56:18,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-08 01:56:18,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-08 01:56:18,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-08 01:56:18,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-08 01:56:19,116 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 01:56:19,118 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 01:56:19,146 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6923: havoc #t~malloc583.base, #t~malloc583.offset; [2025-02-08 01:56:19,159 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc #t~nondet6; [2025-02-08 01:56:19,172 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2590: havoc #t~ret57#1; [2025-02-08 01:56:19,199 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 01:56:19,276 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 01:56:19,321 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 01:56:19,325 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-08 01:56:19,338 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6962: havoc #t~ret595.base, #t~ret595.offset; [2025-02-08 01:56:19,459 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7504: havoc aws_array_list_ensure_capacity_#t~ret764#1; [2025-02-08 01:56:19,459 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 01:56:19,459 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 01:56:19,460 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7491: havoc aws_array_list_ensure_capacity_#t~ret757#1; [2025-02-08 01:56:19,487 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L8154: havoc ~node~1.base, ~node~1.offset; [2025-02-08 01:56:19,515 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L262: havoc nondet_int_#t~nondet5#1; [2025-02-08 01:56:19,516 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7252: havoc nondet_compare_#t~ret668#1; [2025-02-08 01:56:19,534 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3203: havoc #t~ret243; [2025-02-08 01:56:19,539 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7360: havoc #t~ret681.base, #t~ret681.offset; [2025-02-08 01:56:19,566 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 01:56:19,649 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 01:56:19,650 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 01:56:19,650 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 01:56:19,650 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 01:56:19,658 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2617: havoc #t~ret59#1; [2025-02-08 01:56:24,704 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L8335-1: SUMMARY for call aws_priority_queue_push_ref_#t~ret908#1 := aws_array_list_pop_back(aws_priority_queue_push_ref_~queue#1.base, 8 + aws_priority_queue_push_ref_~queue#1.offset); srcloc: null [2025-02-08 01:56:24,705 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L8335: assume -2147483648 <= aws_priority_queue_push_ref_#t~ret908#1 && aws_priority_queue_push_ref_#t~ret908#1 <= 2147483647; [2025-02-08 01:56:24,705 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L8336-2: SUMMARY for call aws_priority_queue_push_ref_#t~ret909#1 := aws_priority_queue_is_valid(aws_priority_queue_push_ref_~queue#1.base, aws_priority_queue_push_ref_~queue#1.offset); srcloc: null [2025-02-08 01:56:24,705 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L8336-1: SUMMARY for call __VERIFIER_assert((if 0 == (if 0 == aws_priority_queue_push_ref_#t~ret909#1 % 256 then 1 else 0) then 0 else 1)); srcloc: null [2025-02-08 01:56:24,705 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L8336: havoc aws_priority_queue_push_ref_#t~ret909#1;aws_priority_queue_push_ref_#res#1 := -1;call ULTIMATE.dealloc(aws_priority_queue_push_ref_~#backpointer#1.base, aws_priority_queue_push_ref_~#backpointer#1.offset);havoc aws_priority_queue_push_ref_~#backpointer#1.base, aws_priority_queue_push_ref_~#backpointer#1.offset; [2025-02-08 01:56:24,705 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 01:56:24,705 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2997: havoc aws_array_list_push_back_#t~ret123#1; [2025-02-08 01:56:24,705 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L8284: call ULTIMATE.dealloc(aws_priority_queue_push_ref_~#backpointer#1.base, aws_priority_queue_push_ref_~#backpointer#1.offset);havoc aws_priority_queue_push_ref_~#backpointer#1.base, aws_priority_queue_push_ref_~#backpointer#1.offset; [2025-02-08 01:56:24,938 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3121: havoc #t~ret187; [2025-02-08 01:56:24,938 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3108: havoc ~last_item_offset~1; [2025-02-08 01:56:25,038 INFO L? ?]: Removed 308 outVars from TransFormulas that were not future-live. [2025-02-08 01:56:25,038 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 01:56:25,060 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 01:56:25,060 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 01:56:25,060 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:56:25 BoogieIcfgContainer [2025-02-08 01:56:25,060 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 01:56:25,062 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 01:56:25,063 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 01:56:25,066 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 01:56:25,066 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 01:56:16" (1/3) ... [2025-02-08 01:56:25,066 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22607f69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:56:25, skipping insertion in model container [2025-02-08 01:56:25,067 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:56:18" (2/3) ... [2025-02-08 01:56:25,067 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22607f69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:56:25, skipping insertion in model container [2025-02-08 01:56:25,068 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:56:25" (3/3) ... [2025-02-08 01:56:25,068 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_push_harness_negated.i [2025-02-08 01:56:25,077 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 01:56:25,078 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_priority_queue_push_harness_negated.i that has 39 procedures, 559 locations, 1 initial locations, 10 loop locations, and 2 error locations. [2025-02-08 01:56:25,128 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 01:56:25,135 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;@7f6dda7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 01:56:25,136 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-02-08 01:56:25,141 INFO L276 IsEmpty]: Start isEmpty. Operand has 541 states, 301 states have (on average 1.2491694352159468) internal successors, (376), 312 states have internal predecessors, (376), 196 states have call successors, (196), 33 states have call predecessors, (196), 33 states have return successors, (196), 196 states have call predecessors, (196), 196 states have call successors, (196) [2025-02-08 01:56:25,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2025-02-08 01:56:25,152 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:56:25,153 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 6, 6, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:56:25,153 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:56:25,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:56:25,157 INFO L85 PathProgramCache]: Analyzing trace with hash -1185108915, now seen corresponding path program 1 times [2025-02-08 01:56:25,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:56:25,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124948021] [2025-02-08 01:56:25,162 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:56:25,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:56:29,393 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 194 statements into 1 equivalence classes. [2025-02-08 01:56:29,677 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 194 of 194 statements. [2025-02-08 01:56:29,678 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:56:29,678 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:56:30,130 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 372 trivial. 0 not checked. [2025-02-08 01:56:30,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:56:30,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124948021] [2025-02-08 01:56:30,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2124948021] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:56:30,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [152374414] [2025-02-08 01:56:30,131 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:56:30,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:56:30,131 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:56:30,137 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 01:56:30,138 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 01:56:34,267 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 194 statements into 1 equivalence classes. [2025-02-08 01:56:34,720 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 194 of 194 statements. [2025-02-08 01:56:34,721 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:56:34,721 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:56:34,740 INFO L256 TraceCheckSpWp]: Trace formula consists of 4663 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-08 01:56:34,748 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 01:56:34,767 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 372 trivial. 0 not checked. [2025-02-08 01:56:34,767 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 01:56:34,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [152374414] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 01:56:34,768 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 01:56:34,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-02-08 01:56:34,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322659069] [2025-02-08 01:56:34,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 01:56:34,775 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-08 01:56:34,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 01:56:34,787 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-08 01:56:34,787 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 01:56:34,790 INFO L87 Difference]: Start difference. First operand has 541 states, 301 states have (on average 1.2491694352159468) internal successors, (376), 312 states have internal predecessors, (376), 196 states have call successors, (196), 33 states have call predecessors, (196), 33 states have return successors, (196), 196 states have call predecessors, (196), 196 states have call successors, (196) Second operand has 2 states, 2 states have (on average 30.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2025-02-08 01:56:34,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 01:56:34,869 INFO L93 Difference]: Finished difference Result 1016 states and 1551 transitions. [2025-02-08 01:56:34,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-08 01:56:34,871 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 30.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 194 [2025-02-08 01:56:34,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 01:56:34,880 INFO L225 Difference]: With dead ends: 1016 [2025-02-08 01:56:34,881 INFO L226 Difference]: Without dead ends: 499 [2025-02-08 01:56:34,887 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 195 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 01:56:34,889 INFO L435 NwaCegarLoop]: 731 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, 731 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 01:56:34,889 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 731 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 01:56:34,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2025-02-08 01:56:34,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 499. [2025-02-08 01:56:34,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 499 states, 283 states have (on average 1.215547703180212) internal successors, (344), 287 states have internal predecessors, (344), 182 states have call successors, (182), 33 states have call predecessors, (182), 32 states have return successors, (178), 178 states have call predecessors, (178), 178 states have call successors, (178) [2025-02-08 01:56:34,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 499 states and 704 transitions. [2025-02-08 01:56:34,968 INFO L78 Accepts]: Start accepts. Automaton has 499 states and 704 transitions. Word has length 194 [2025-02-08 01:56:34,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 01:56:34,970 INFO L471 AbstractCegarLoop]: Abstraction has 499 states and 704 transitions. [2025-02-08 01:56:34,970 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 30.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2025-02-08 01:56:34,971 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 704 transitions. [2025-02-08 01:56:34,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2025-02-08 01:56:34,977 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:56:34,977 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 6, 6, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:56:34,994 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 01:56:35,182 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 01:56:35,182 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:56:35,184 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:56:35,184 INFO L85 PathProgramCache]: Analyzing trace with hash 829843376, now seen corresponding path program 1 times [2025-02-08 01:56:35,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:56:35,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883604158] [2025-02-08 01:56:35,184 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:56:35,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:56:39,041 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 194 statements into 1 equivalence classes. [2025-02-08 01:56:39,156 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 194 of 194 statements. [2025-02-08 01:56:39,156 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:56:39,156 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:56:40,143 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2025-02-08 01:56:40,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:56:40,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883604158] [2025-02-08 01:56:40,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1883604158] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:56:40,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [920250058] [2025-02-08 01:56:40,144 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:56:40,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:56:40,144 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:56:40,149 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 01:56:40,151 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 01:56:44,400 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 194 statements into 1 equivalence classes. [2025-02-08 01:56:44,837 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 194 of 194 statements. [2025-02-08 01:56:44,837 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:56:44,837 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:56:44,860 INFO L256 TraceCheckSpWp]: Trace formula consists of 4663 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 01:56:44,866 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 01:56:45,762 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2025-02-08 01:56:45,763 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 01:56:45,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [920250058] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 01:56:45,763 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 01:56:45,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2025-02-08 01:56:45,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123721257] [2025-02-08 01:56:45,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 01:56:45,764 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 01:56:45,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 01:56:45,764 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 01:56:45,765 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-02-08 01:56:45,765 INFO L87 Difference]: Start difference. First operand 499 states and 704 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 3 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2025-02-08 01:56:46,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 01:56:46,980 INFO L93 Difference]: Finished difference Result 955 states and 1358 transitions. [2025-02-08 01:56:46,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 01:56:46,985 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 3 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 194 [2025-02-08 01:56:46,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 01:56:46,997 INFO L225 Difference]: With dead ends: 955 [2025-02-08 01:56:46,997 INFO L226 Difference]: Without dead ends: 501 [2025-02-08 01:56:47,005 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-02-08 01:56:47,006 INFO L435 NwaCegarLoop]: 682 mSDtfsCounter, 49 mSDsluCounter, 1933 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 2615 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2025-02-08 01:56:47,006 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 2615 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2025-02-08 01:56:47,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 501 states. [2025-02-08 01:56:47,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 501 to 501. [2025-02-08 01:56:47,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 501 states, 284 states have (on average 1.2147887323943662) internal successors, (345), 289 states have internal predecessors, (345), 182 states have call successors, (182), 33 states have call predecessors, (182), 33 states have return successors, (187), 178 states have call predecessors, (187), 178 states have call successors, (187) [2025-02-08 01:56:47,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 501 states and 714 transitions. [2025-02-08 01:56:47,066 INFO L78 Accepts]: Start accepts. Automaton has 501 states and 714 transitions. Word has length 194 [2025-02-08 01:56:47,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 01:56:47,066 INFO L471 AbstractCegarLoop]: Abstraction has 501 states and 714 transitions. [2025-02-08 01:56:47,067 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 3 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2025-02-08 01:56:47,067 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 714 transitions. [2025-02-08 01:56:47,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2025-02-08 01:56:47,069 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:56:47,069 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 6, 6, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 01:56:47,084 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-02-08 01:56:47,273 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 01:56:47,273 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:56:47,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:56:47,273 INFO L85 PathProgramCache]: Analyzing trace with hash 92153444, now seen corresponding path program 1 times [2025-02-08 01:56:47,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:56:47,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42734259] [2025-02-08 01:56:47,274 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:56:47,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:56:50,751 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 202 statements into 1 equivalence classes. [2025-02-08 01:56:50,834 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 202 of 202 statements. [2025-02-08 01:56:50,834 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:56:50,834 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:56:52,068 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 393 trivial. 0 not checked. [2025-02-08 01:56:52,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:56:52,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42734259] [2025-02-08 01:56:52,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [42734259] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:56:52,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [248065079] [2025-02-08 01:56:52,069 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:56:52,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:56:52,070 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:56:52,074 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 01:56:52,075 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 01:56:56,364 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 202 statements into 1 equivalence classes. [2025-02-08 01:56:56,837 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 202 of 202 statements. [2025-02-08 01:56:56,838 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:56:56,838 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:56:56,857 INFO L256 TraceCheckSpWp]: Trace formula consists of 4713 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 01:56:56,863 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 01:56:58,164 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2025-02-08 01:56:58,164 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 01:56:58,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [248065079] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 01:56:58,164 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 01:56:58,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2025-02-08 01:56:58,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021082500] [2025-02-08 01:56:58,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 01:56:58,165 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 01:56:58,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 01:56:58,166 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 01:56:58,166 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2025-02-08 01:56:58,166 INFO L87 Difference]: Start difference. First operand 501 states and 714 transitions. Second operand has 7 states, 7 states have (on average 10.0) internal successors, (70), 7 states have internal predecessors, (70), 4 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2025-02-08 01:57:02,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 01:57:02,341 INFO L93 Difference]: Finished difference Result 978 states and 1433 transitions. [2025-02-08 01:57:02,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 01:57:02,341 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 7 states have internal predecessors, (70), 4 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) Word has length 202 [2025-02-08 01:57:02,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 01:57:02,347 INFO L225 Difference]: With dead ends: 978 [2025-02-08 01:57:02,347 INFO L226 Difference]: Without dead ends: 522 [2025-02-08 01:57:02,349 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2025-02-08 01:57:02,350 INFO L435 NwaCegarLoop]: 649 mSDtfsCounter, 76 mSDsluCounter, 3069 mSDsCounter, 0 mSdLazyCounter, 397 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 3718 SdHoareTripleChecker+Invalid, 399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 397 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2025-02-08 01:57:02,351 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 3718 Invalid, 399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 397 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2025-02-08 01:57:02,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 522 states. [2025-02-08 01:57:02,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 522 to 520. [2025-02-08 01:57:02,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 520 states, 300 states have (on average 1.2233333333333334) internal successors, (367), 305 states have internal predecessors, (367), 184 states have call successors, (184), 33 states have call predecessors, (184), 34 states have return successors, (218), 181 states have call predecessors, (218), 180 states have call successors, (218) [2025-02-08 01:57:02,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 520 states and 769 transitions. [2025-02-08 01:57:02,381 INFO L78 Accepts]: Start accepts. Automaton has 520 states and 769 transitions. Word has length 202 [2025-02-08 01:57:02,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 01:57:02,381 INFO L471 AbstractCegarLoop]: Abstraction has 520 states and 769 transitions. [2025-02-08 01:57:02,381 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 7 states have internal predecessors, (70), 4 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2025-02-08 01:57:02,382 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 769 transitions. [2025-02-08 01:57:02,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2025-02-08 01:57:02,383 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:57:02,383 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 6, 6, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 01:57:02,403 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-02-08 01:57:02,584 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 01:57:02,584 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:57:02,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:57:02,584 INFO L85 PathProgramCache]: Analyzing trace with hash 1302727846, now seen corresponding path program 1 times [2025-02-08 01:57:02,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:57:02,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138407222] [2025-02-08 01:57:02,585 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:57:02,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:57:06,298 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 216 statements into 1 equivalence classes. [2025-02-08 01:57:06,421 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 216 of 216 statements. [2025-02-08 01:57:06,422 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:57:06,422 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:57:07,632 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2025-02-08 01:57:07,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:57:07,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138407222] [2025-02-08 01:57:07,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [138407222] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:57:07,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1760595404] [2025-02-08 01:57:07,633 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:57:07,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:57:07,633 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:57:07,637 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 01:57:07,638 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 01:57:11,874 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 216 statements into 1 equivalence classes. [2025-02-08 01:57:12,330 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 216 of 216 statements. [2025-02-08 01:57:12,330 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:57:12,331 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:57:12,348 INFO L256 TraceCheckSpWp]: Trace formula consists of 4840 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 01:57:12,354 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 01:57:13,385 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2025-02-08 01:57:13,385 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 01:57:13,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1760595404] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 01:57:13,385 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 01:57:13,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2025-02-08 01:57:13,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634973356] [2025-02-08 01:57:13,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 01:57:13,386 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 01:57:13,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 01:57:13,386 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 01:57:13,386 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2025-02-08 01:57:13,392 INFO L87 Difference]: Start difference. First operand 520 states and 769 transitions. Second operand has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 6 states have internal predecessors, (80), 4 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (34), 4 states have call predecessors, (34), 4 states have call successors, (34) [2025-02-08 01:57:15,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 01:57:15,149 INFO L93 Difference]: Finished difference Result 1001 states and 1500 transitions. [2025-02-08 01:57:15,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 01:57:15,150 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 6 states have internal predecessors, (80), 4 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (34), 4 states have call predecessors, (34), 4 states have call successors, (34) Word has length 216 [2025-02-08 01:57:15,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 01:57:15,154 INFO L225 Difference]: With dead ends: 1001 [2025-02-08 01:57:15,154 INFO L226 Difference]: Without dead ends: 526 [2025-02-08 01:57:15,157 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2025-02-08 01:57:15,157 INFO L435 NwaCegarLoop]: 676 mSDtfsCounter, 66 mSDsluCounter, 2557 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 3233 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2025-02-08 01:57:15,157 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 3233 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2025-02-08 01:57:15,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2025-02-08 01:57:15,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 520. [2025-02-08 01:57:15,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 520 states, 300 states have (on average 1.2233333333333334) internal successors, (367), 305 states have internal predecessors, (367), 184 states have call successors, (184), 33 states have call predecessors, (184), 34 states have return successors, (218), 181 states have call predecessors, (218), 180 states have call successors, (218) [2025-02-08 01:57:15,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 520 states and 769 transitions. [2025-02-08 01:57:15,185 INFO L78 Accepts]: Start accepts. Automaton has 520 states and 769 transitions. Word has length 216 [2025-02-08 01:57:15,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 01:57:15,185 INFO L471 AbstractCegarLoop]: Abstraction has 520 states and 769 transitions. [2025-02-08 01:57:15,186 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 6 states have internal predecessors, (80), 4 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (34), 4 states have call predecessors, (34), 4 states have call successors, (34) [2025-02-08 01:57:15,186 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 769 transitions. [2025-02-08 01:57:15,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2025-02-08 01:57:15,188 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:57:15,188 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 6, 6, 5, 5, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 01:57:15,208 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 01:57:15,389 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 01:57:15,389 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:57:15,390 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:57:15,390 INFO L85 PathProgramCache]: Analyzing trace with hash -637042208, now seen corresponding path program 1 times [2025-02-08 01:57:15,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:57:15,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439252866] [2025-02-08 01:57:15,390 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:57:15,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:57:18,930 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 232 statements into 1 equivalence classes. [2025-02-08 01:57:19,012 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 232 of 232 statements. [2025-02-08 01:57:19,012 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:57:19,012 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:57:20,517 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 406 trivial. 0 not checked. [2025-02-08 01:57:20,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:57:20,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439252866] [2025-02-08 01:57:20,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439252866] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:57:20,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1627478623] [2025-02-08 01:57:20,517 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:57:20,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:57:20,517 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:57:20,519 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 01:57:20,521 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 01:57:24,929 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 232 statements into 1 equivalence classes. [2025-02-08 01:57:25,378 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 232 of 232 statements. [2025-02-08 01:57:25,378 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:57:25,379 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:57:25,399 INFO L256 TraceCheckSpWp]: Trace formula consists of 4912 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-08 01:57:25,409 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 01:57:27,365 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2025-02-08 01:57:27,365 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 01:57:27,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1627478623] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 01:57:27,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 01:57:27,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 14 [2025-02-08 01:57:27,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932350859] [2025-02-08 01:57:27,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 01:57:27,366 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-08 01:57:27,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 01:57:27,367 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 01:57:27,367 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2025-02-08 01:57:27,367 INFO L87 Difference]: Start difference. First operand 520 states and 769 transitions. Second operand has 8 states, 8 states have (on average 11.75) internal successors, (94), 8 states have internal predecessors, (94), 5 states have call successors, (37), 2 states have call predecessors, (37), 4 states have return successors, (35), 5 states have call predecessors, (35), 5 states have call successors, (35) [2025-02-08 01:57:33,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 01:57:33,069 INFO L93 Difference]: Finished difference Result 1012 states and 1509 transitions. [2025-02-08 01:57:33,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-08 01:57:33,070 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 8 states have internal predecessors, (94), 5 states have call successors, (37), 2 states have call predecessors, (37), 4 states have return successors, (35), 5 states have call predecessors, (35), 5 states have call successors, (35) Word has length 232 [2025-02-08 01:57:33,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 01:57:33,074 INFO L225 Difference]: With dead ends: 1012 [2025-02-08 01:57:33,075 INFO L226 Difference]: Without dead ends: 537 [2025-02-08 01:57:33,077 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 227 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 01:57:33,077 INFO L435 NwaCegarLoop]: 641 mSDtfsCounter, 101 mSDsluCounter, 3643 mSDsCounter, 0 mSdLazyCounter, 514 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 4284 SdHoareTripleChecker+Invalid, 521 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 514 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2025-02-08 01:57:33,078 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 4284 Invalid, 521 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 514 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2025-02-08 01:57:33,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 537 states. [2025-02-08 01:57:33,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 537 to 520. [2025-02-08 01:57:33,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 520 states, 300 states have (on average 1.2233333333333334) internal successors, (367), 305 states have internal predecessors, (367), 184 states have call successors, (184), 33 states have call predecessors, (184), 34 states have return successors, (218), 181 states have call predecessors, (218), 180 states have call successors, (218) [2025-02-08 01:57:33,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 520 states and 769 transitions. [2025-02-08 01:57:33,097 INFO L78 Accepts]: Start accepts. Automaton has 520 states and 769 transitions. Word has length 232 [2025-02-08 01:57:33,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 01:57:33,098 INFO L471 AbstractCegarLoop]: Abstraction has 520 states and 769 transitions. [2025-02-08 01:57:33,098 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 8 states have internal predecessors, (94), 5 states have call successors, (37), 2 states have call predecessors, (37), 4 states have return successors, (35), 5 states have call predecessors, (35), 5 states have call successors, (35) [2025-02-08 01:57:33,098 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 769 transitions. [2025-02-08 01:57:33,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2025-02-08 01:57:33,100 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:57:33,100 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 6, 6, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2025-02-08 01:57:33,122 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-02-08 01:57:33,301 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 01:57:33,301 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:57:33,302 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:57:33,302 INFO L85 PathProgramCache]: Analyzing trace with hash -274538082, now seen corresponding path program 2 times [2025-02-08 01:57:33,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:57:33,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880449424] [2025-02-08 01:57:33,302 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 01:57:33,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:57:36,857 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 246 statements into 2 equivalence classes. [2025-02-08 01:57:36,941 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 26 of 246 statements. [2025-02-08 01:57:36,941 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-08 01:57:36,941 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:57:38,956 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 430 trivial. 0 not checked. [2025-02-08 01:57:38,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:57:38,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880449424] [2025-02-08 01:57:38,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [880449424] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 01:57:38,957 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 01:57:38,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-08 01:57:38,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011047500] [2025-02-08 01:57:38,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 01:57:38,957 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 01:57:38,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 01:57:38,958 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 01:57:38,958 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-08 01:57:38,958 INFO L87 Difference]: Start difference. First operand 520 states and 769 transitions. Second operand has 6 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (35), 2 states have call predecessors, (35), 1 states have call successors, (35) [2025-02-08 01:57:39,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 01:57:39,637 INFO L93 Difference]: Finished difference Result 528 states and 777 transitions. [2025-02-08 01:57:39,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 01:57:39,637 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (35), 2 states have call predecessors, (35), 1 states have call successors, (35) Word has length 246 [2025-02-08 01:57:39,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 01:57:39,642 INFO L225 Difference]: With dead ends: 528 [2025-02-08 01:57:39,642 INFO L226 Difference]: Without dead ends: 526 [2025-02-08 01:57:39,642 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 01:57:39,643 INFO L435 NwaCegarLoop]: 701 mSDtfsCounter, 3 mSDsluCounter, 2770 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 3471 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-08 01:57:39,643 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 3471 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-08 01:57:39,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2025-02-08 01:57:39,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 525. [2025-02-08 01:57:39,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 525 states, 303 states have (on average 1.221122112211221) internal successors, (370), 308 states have internal predecessors, (370), 185 states have call successors, (185), 34 states have call predecessors, (185), 35 states have return successors, (219), 182 states have call predecessors, (219), 181 states have call successors, (219) [2025-02-08 01:57:39,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 525 states and 774 transitions. [2025-02-08 01:57:39,660 INFO L78 Accepts]: Start accepts. Automaton has 525 states and 774 transitions. Word has length 246 [2025-02-08 01:57:39,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 01:57:39,660 INFO L471 AbstractCegarLoop]: Abstraction has 525 states and 774 transitions. [2025-02-08 01:57:39,661 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (35), 2 states have call predecessors, (35), 1 states have call successors, (35) [2025-02-08 01:57:39,661 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 774 transitions. [2025-02-08 01:57:39,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2025-02-08 01:57:39,663 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:57:39,663 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 6, 6, 5, 5, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:57:39,663 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-08 01:57:39,663 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:57:39,664 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:57:39,664 INFO L85 PathProgramCache]: Analyzing trace with hash 1327799968, now seen corresponding path program 3 times [2025-02-08 01:57:39,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:57:39,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378699118] [2025-02-08 01:57:39,664 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 01:57:39,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:57:43,746 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 260 statements into 11 equivalence classes. [2025-02-08 01:57:44,510 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 61 of 260 statements. [2025-02-08 01:57:44,511 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-02-08 01:57:44,511 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:57:46,137 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 42 proven. 2 refuted. 0 times theorem prover too weak. 422 trivial. 0 not checked. [2025-02-08 01:57:46,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:57:46,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378699118] [2025-02-08 01:57:46,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [378699118] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:57:46,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [221542462] [2025-02-08 01:57:46,137 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 01:57:46,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:57:46,138 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:57:46,142 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 01:57:46,143 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process