./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness_negated.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 8a38a43769c42d8669572ba16bfe2bf0ba7986e6a4cc5f2e35ff1bb4fb35c723 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 05:20:57,627 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 05:20:57,667 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-06 05:20:57,671 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 05:20:57,671 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 05:20:57,692 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 05:20:57,693 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 05:20:57,693 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 05:20:57,693 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 05:20:57,694 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 05:20:57,694 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 05:20:57,694 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 05:20:57,695 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 05:20:57,695 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 05:20:57,695 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 05:20:57,695 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 05:20:57,695 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 05:20:57,695 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 05:20:57,695 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 05:20:57,695 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 05:20:57,695 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 05:20:57,696 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 05:20:57,696 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 05:20:57,696 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 05:20:57,696 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 05:20:57,696 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 05:20:57,696 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 05:20:57,696 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 05:20:57,696 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 05:20:57,696 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 05:20:57,696 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 05:20:57,697 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 05:20:57,697 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 05:20:57,697 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 05:20:57,697 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 05:20:57,697 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 05:20:57,697 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 05:20:57,697 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 05:20:57,697 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 05:20:57,697 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 05:20:57,697 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8a38a43769c42d8669572ba16bfe2bf0ba7986e6a4cc5f2e35ff1bb4fb35c723 [2025-02-06 05:20:57,937 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 05:20:57,947 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 05:20:57,949 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 05:20:57,949 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 05:20:57,949 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 05:20:57,950 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness_negated.i [2025-02-06 05:20:59,108 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e707deb95/0d5290ba1e6444ff9875481b56861606/FLAG3df674a68 [2025-02-06 05:20:59,563 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 05:20:59,563 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness_negated.i [2025-02-06 05:20:59,597 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e707deb95/0d5290ba1e6444ff9875481b56861606/FLAG3df674a68 [2025-02-06 05:20:59,693 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e707deb95/0d5290ba1e6444ff9875481b56861606 [2025-02-06 05:20:59,698 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 05:20:59,699 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 05:20:59,700 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 05:20:59,700 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 05:20:59,707 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 05:20:59,711 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 05:20:59" (1/1) ... [2025-02-06 05:20:59,711 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79477ef3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:20:59, skipping insertion in model container [2025-02-06 05:20:59,711 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 05:20:59" (1/1) ... [2025-02-06 05:20:59,775 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 05:20:59,962 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness_negated.i[4501,4514] [2025-02-06 05:20:59,970 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness_negated.i[4561,4574] [2025-02-06 05:21:00,405 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:00,406 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:00,406 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:00,406 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:00,407 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:00,419 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:00,419 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:00,420 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:00,421 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:00,422 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:00,424 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:00,424 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:00,424 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:00,762 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:00,768 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:00,805 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:00,806 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:00,806 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:00,806 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:00,806 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:00,807 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:00,807 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:00,807 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:00,807 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:00,808 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:00,808 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:00,808 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:00,808 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:00,810 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:00,810 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:00,811 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:00,811 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:00,813 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:00,813 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:00,817 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:00,818 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:00,818 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:00,828 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 05:21:00,849 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 05:21:00,859 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness_negated.i[4501,4514] [2025-02-06 05:21:00,859 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness_negated.i[4561,4574] [2025-02-06 05:21:00,903 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:00,903 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:00,904 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:00,904 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:00,904 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:00,910 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:00,912 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:00,942 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:00,942 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:00,943 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:00,943 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:00,944 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:00,944 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:01,004 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:01,007 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:01,010 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7739-7750] [2025-02-06 05:21:01,026 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:01,026 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:01,027 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:01,027 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:01,027 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:01,027 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:01,027 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:01,028 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:01,028 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:01,028 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:01,028 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:01,029 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:01,029 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:01,029 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:01,029 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:01,029 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:01,030 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:01,031 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:01,031 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:01,034 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:01,034 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:01,034 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:21:01,041 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 05:21:01,180 INFO L204 MainTranslator]: Completed translation [2025-02-06 05:21:01,181 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:21:01 WrapperNode [2025-02-06 05:21:01,181 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 05:21:01,182 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 05:21:01,183 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 05:21:01,183 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 05:21:01,187 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:21:01" (1/1) ... [2025-02-06 05:21:01,230 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:21:01" (1/1) ... [2025-02-06 05:21:01,269 INFO L138 Inliner]: procedures = 686, calls = 1892, calls flagged for inlining = 57, calls inlined = 17, statements flattened = 1174 [2025-02-06 05:21:01,269 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 05:21:01,270 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 05:21:01,270 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 05:21:01,270 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 05:21:01,276 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:21:01" (1/1) ... [2025-02-06 05:21:01,277 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:21:01" (1/1) ... [2025-02-06 05:21:01,289 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:21:01" (1/1) ... [2025-02-06 05:21:01,383 INFO L175 MemorySlicer]: Split 384 memory accesses to 6 slices as follows [24, 238, 2, 9, 7, 104]. 62 percent of accesses are in the largest equivalence class. The 16 initializations are split as follows [5, 6, 2, 1, 2, 0]. The 268 writes are split as follows [8, 232, 0, 1, 1, 26]. [2025-02-06 05:21:01,383 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:21:01" (1/1) ... [2025-02-06 05:21:01,383 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:21:01" (1/1) ... [2025-02-06 05:21:01,418 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:21:01" (1/1) ... [2025-02-06 05:21:01,420 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:21:01" (1/1) ... [2025-02-06 05:21:01,427 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:21:01" (1/1) ... [2025-02-06 05:21:01,432 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:21:01" (1/1) ... [2025-02-06 05:21:01,441 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 05:21:01,442 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 05:21:01,442 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 05:21:01,442 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 05:21:01,442 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:21:01" (1/1) ... [2025-02-06 05:21:01,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 05:21:01,454 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:21:01,464 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) [2025-02-06 05:21:01,469 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 [2025-02-06 05:21:01,486 INFO L130 BoogieDeclarations]: Found specification of procedure s_swap [2025-02-06 05:21:01,486 INFO L138 BoogieDeclarations]: Found implementation of procedure s_swap [2025-02-06 05:21:01,486 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_init_dynamic [2025-02-06 05:21:01,486 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_init_dynamic [2025-02-06 05:21:01,486 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2025-02-06 05:21:01,486 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2025-02-06 05:21:01,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-06 05:21:01,487 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2025-02-06 05:21:01,487 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2025-02-06 05:21:01,487 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2025-02-06 05:21:01,487 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2025-02-06 05:21:01,487 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-06 05:21:01,487 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-06 05:21:01,487 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2025-02-06 05:21:01,487 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2025-02-06 05:21:01,487 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_up [2025-02-06 05:21:01,487 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_up [2025-02-06 05:21:01,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-06 05:21:01,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-06 05:21:01,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-06 05:21:01,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-06 05:21:01,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-06 05:21:01,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-02-06 05:21:01,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-06 05:21:01,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-06 05:21:01,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-06 05:21:01,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-06 05:21:01,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-06 05:21:01,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-06 05:21:01,487 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-02-06 05:21:01,487 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-02-06 05:21:01,487 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-06 05:21:01,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-06 05:21:01,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-06 05:21:01,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 05:21:01,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-06 05:21:01,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-06 05:21:01,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-06 05:21:01,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-06 05:21:01,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-06 05:21:01,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-02-06 05:21:01,487 INFO L130 BoogieDeclarations]: Found specification of procedure my_abort [2025-02-06 05:21:01,487 INFO L138 BoogieDeclarations]: Found implementation of procedure my_abort [2025-02-06 05:21:01,487 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2025-02-06 05:21:01,487 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2025-02-06 05:21:01,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 05:21:01,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 05:21:01,488 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-06 05:21:01,488 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-06 05:21:01,488 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2025-02-06 05:21:01,488 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2025-02-06 05:21:01,488 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-02-06 05:21:01,488 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-02-06 05:21:01,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-06 05:21:01,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-06 05:21:01,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-06 05:21:01,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-06 05:21:01,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-06 05:21:01,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-02-06 05:21:01,488 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2025-02-06 05:21:01,488 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2025-02-06 05:21:01,488 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2025-02-06 05:21:01,488 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2025-02-06 05:21:01,488 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2025-02-06 05:21:01,488 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2025-02-06 05:21:01,488 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2025-02-06 05:21:01,488 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2025-02-06 05:21:01,488 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-02-06 05:21:01,488 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-02-06 05:21:01,488 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-02-06 05:21:01,488 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-02-06 05:21:01,488 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-02-06 05:21:01,488 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2025-02-06 05:21:01,488 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-02-06 05:21:01,488 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-02-06 05:21:01,488 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-02-06 05:21:01,488 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-02-06 05:21:01,488 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-02-06 05:21:01,488 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2025-02-06 05:21:01,488 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 05:21:01,488 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 05:21:01,490 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2025-02-06 05:21:01,491 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2025-02-06 05:21:01,491 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_pop_back [2025-02-06 05:21:01,491 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_pop_back [2025-02-06 05:21:01,491 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2025-02-06 05:21:01,492 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2025-02-06 05:21:01,492 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-06 05:21:01,492 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2025-02-06 05:21:01,492 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2025-02-06 05:21:01,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-06 05:21:01,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-06 05:21:01,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-06 05:21:01,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-06 05:21:01,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-06 05:21:01,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-02-06 05:21:01,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-06 05:21:01,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-06 05:21:01,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-06 05:21:01,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-06 05:21:01,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-06 05:21:01,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-02-06 05:21:01,492 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_push_ref [2025-02-06 05:21:01,492 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_push_ref [2025-02-06 05:21:01,492 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2025-02-06 05:21:01,492 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2025-02-06 05:21:01,492 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-02-06 05:21:01,492 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-02-06 05:21:01,492 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-02-06 05:21:01,492 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-02-06 05:21:01,492 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2025-02-06 05:21:01,492 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2025-02-06 05:21:01,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-06 05:21:01,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-06 05:21:01,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-06 05:21:01,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-06 05:21:01,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-06 05:21:01,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-06 05:21:01,492 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2025-02-06 05:21:01,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2025-02-06 05:21:01,492 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_set_at [2025-02-06 05:21:01,492 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_set_at [2025-02-06 05:21:01,492 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2025-02-06 05:21:01,492 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2025-02-06 05:21:01,492 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-02-06 05:21:01,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-02-06 05:21:01,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 05:21:01,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-06 05:21:01,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-06 05:21:01,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-06 05:21:01,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-06 05:21:01,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-06 05:21:01,746 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 05:21:01,748 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 05:21:01,770 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6923: havoc #t~malloc583.base, #t~malloc583.offset; [2025-02-06 05:21:01,793 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc #t~nondet6; [2025-02-06 05:21:01,816 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2590: havoc #t~ret57#1; [2025-02-06 05:21:01,859 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6937: havoc #t~ret587;havoc #t~ite589.base, #t~ite589.offset;havoc #t~ret588.base, #t~ret588.offset; [2025-02-06 05:21:01,920 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L8240: havoc aws_priority_queue_backpointers_valid_#t~ret874#1;havoc aws_priority_queue_backpointers_valid_#t~short875#1; [2025-02-06 05:21:02,002 INFO L1309 $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; [2025-02-06 05:21:02,005 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-06 05:21:02,093 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2997: havoc aws_array_list_push_back_#t~ret123#1; [2025-02-06 05:21:02,093 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L8284: call ULTIMATE.dealloc(~#backpointer#1.base, ~#backpointer#1.offset);havoc ~#backpointer#1.base, ~#backpointer#1.offset; [2025-02-06 05:21:02,096 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6962: havoc #t~ret595.base, #t~ret595.offset; [2025-02-06 05:21:02,206 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7504: havoc aws_array_list_ensure_capacity_#t~ret764#1; [2025-02-06 05:21:02,206 INFO L1309 $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; [2025-02-06 05:21:02,206 INFO L1309 $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; [2025-02-06 05:21:02,206 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7491: havoc aws_array_list_ensure_capacity_#t~ret757#1; [2025-02-06 05:21:02,241 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L8154: havoc ~node~1.base, ~node~1.offset; [2025-02-06 05:21:02,268 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L262: havoc nondet_int_#t~nondet5#1; [2025-02-06 05:21:02,268 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7252: havoc nondet_compare_#t~ret668#1; [2025-02-06 05:21:02,284 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L3203: havoc #t~ret243; [2025-02-06 05:21:02,289 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7360: havoc #t~ret681.base, #t~ret681.offset; [2025-02-06 05:21:02,319 INFO L1309 $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; [2025-02-06 05:21:02,412 INFO L1309 $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; [2025-02-06 05:21:02,421 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2617: havoc #t~ret59#1; [2025-02-06 05:21:07,802 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L3121: havoc #t~ret187; [2025-02-06 05:21:07,802 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L3108: havoc ~last_item_offset~1; [2025-02-06 05:21:07,923 INFO L? ?]: Removed 303 outVars from TransFormulas that were not future-live. [2025-02-06 05:21:07,923 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 05:21:07,937 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 05:21:07,937 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 05:21:07,938 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 05:21:07 BoogieIcfgContainer [2025-02-06 05:21:07,938 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 05:21:07,939 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 05:21:07,939 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 05:21:07,943 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 05:21:07,943 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 05:20:59" (1/3) ... [2025-02-06 05:21:07,943 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73eca823 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 05:21:07, skipping insertion in model container [2025-02-06 05:21:07,943 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:21:01" (2/3) ... [2025-02-06 05:21:07,943 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73eca823 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 05:21:07, skipping insertion in model container [2025-02-06 05:21:07,944 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 05:21:07" (3/3) ... [2025-02-06 05:21:07,944 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_push_ref_harness_negated.i [2025-02-06 05:21:07,954 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 05:21:07,955 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_priority_queue_push_ref_harness_negated.i that has 40 procedures, 569 locations, 1 initial locations, 10 loop locations, and 2 error locations. [2025-02-06 05:21:08,009 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 05:21:08,016 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;@6d83dadd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 05:21:08,016 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-02-06 05:21:08,023 INFO L276 IsEmpty]: Start isEmpty. Operand has 553 states, 316 states have (on average 1.2341772151898733) internal successors, (390), 320 states have internal predecessors, (390), 199 states have call successors, (199), 35 states have call predecessors, (199), 35 states have return successors, (199), 199 states have call predecessors, (199), 199 states have call successors, (199) [2025-02-06 05:21:08,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2025-02-06 05:21:08,036 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 05:21:08,037 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 05:21:08,037 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 05:21:08,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 05:21:08,041 INFO L85 PathProgramCache]: Analyzing trace with hash -1024087454, now seen corresponding path program 1 times [2025-02-06 05:21:08,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 05:21:08,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965714803] [2025-02-06 05:21:08,046 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:21:08,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 05:21:12,267 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 192 statements into 1 equivalence classes. [2025-02-06 05:21:12,630 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 192 of 192 statements. [2025-02-06 05:21:12,631 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:21:12,631 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:21:13,127 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2025-02-06 05:21:13,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 05:21:13,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965714803] [2025-02-06 05:21:13,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965714803] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 05:21:13,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2011782433] [2025-02-06 05:21:13,130 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:21:13,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 05:21:13,131 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:21:13,134 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) [2025-02-06 05:21:13,136 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 [2025-02-06 05:21:17,759 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 192 statements into 1 equivalence classes. [2025-02-06 05:21:18,254 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 192 of 192 statements. [2025-02-06 05:21:18,255 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:21:18,255 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:21:18,280 INFO L256 TraceCheckSpWp]: Trace formula consists of 4670 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-06 05:21:18,308 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 05:21:18,337 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2025-02-06 05:21:18,337 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 05:21:18,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2011782433] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 05:21:18,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 05:21:18,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-02-06 05:21:18,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780568816] [2025-02-06 05:21:18,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 05:21:18,346 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-06 05:21:18,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 05:21:18,364 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-06 05:21:18,369 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 05:21:18,371 INFO L87 Difference]: Start difference. First operand has 553 states, 316 states have (on average 1.2341772151898733) internal successors, (390), 320 states have internal predecessors, (390), 199 states have call successors, (199), 35 states have call predecessors, (199), 35 states have return successors, (199), 199 states have call predecessors, (199), 199 states have call successors, (199) Second operand has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2025-02-06 05:21:18,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 05:21:18,459 INFO L93 Difference]: Finished difference Result 1078 states and 1657 transitions. [2025-02-06 05:21:18,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-06 05:21:18,460 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 192 [2025-02-06 05:21:18,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 05:21:18,469 INFO L225 Difference]: With dead ends: 1078 [2025-02-06 05:21:18,469 INFO L226 Difference]: Without dead ends: 546 [2025-02-06 05:21:18,476 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 05:21:18,477 INFO L435 NwaCegarLoop]: 781 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, 781 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 [2025-02-06 05:21:18,478 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 781 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 05:21:18,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 546 states. [2025-02-06 05:21:18,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 546 to 546. [2025-02-06 05:21:18,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 546 states, 311 states have (on average 1.2218649517684887) internal successors, (380), 313 states have internal predecessors, (380), 199 states have call successors, (199), 35 states have call predecessors, (199), 34 states have return successors, (197), 197 states have call predecessors, (197), 197 states have call successors, (197) [2025-02-06 05:21:18,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 776 transitions. [2025-02-06 05:21:18,555 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 776 transitions. Word has length 192 [2025-02-06 05:21:18,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 05:21:18,557 INFO L471 AbstractCegarLoop]: Abstraction has 546 states and 776 transitions. [2025-02-06 05:21:18,557 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2025-02-06 05:21:18,558 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 776 transitions. [2025-02-06 05:21:18,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2025-02-06 05:21:18,560 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 05:21:18,560 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 05:21:18,593 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-06 05:21:18,761 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 [2025-02-06 05:21:18,761 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 05:21:18,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 05:21:18,762 INFO L85 PathProgramCache]: Analyzing trace with hash -1984880445, now seen corresponding path program 1 times [2025-02-06 05:21:18,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 05:21:18,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210223576] [2025-02-06 05:21:18,763 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:21:18,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 05:21:22,768 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 192 statements into 1 equivalence classes. [2025-02-06 05:21:22,873 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 192 of 192 statements. [2025-02-06 05:21:22,874 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:21:22,874 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:21:23,971 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 302 trivial. 0 not checked. [2025-02-06 05:21:23,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 05:21:23,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210223576] [2025-02-06 05:21:23,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1210223576] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 05:21:23,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1705952264] [2025-02-06 05:21:23,972 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:21:23,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 05:21:23,972 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:21:23,976 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) [2025-02-06 05:21:23,986 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 [2025-02-06 05:21:27,921 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 192 statements into 1 equivalence classes. [2025-02-06 05:21:28,412 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 192 of 192 statements. [2025-02-06 05:21:28,412 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:21:28,412 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:21:28,439 INFO L256 TraceCheckSpWp]: Trace formula consists of 4670 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 05:21:28,448 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 05:21:29,515 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2025-02-06 05:21:29,515 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 05:21:29,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1705952264] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 05:21:29,515 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 05:21:29,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2025-02-06 05:21:29,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989068682] [2025-02-06 05:21:29,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 05:21:29,517 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 05:21:29,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 05:21:29,522 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 05:21:29,522 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2025-02-06 05:21:29,523 INFO L87 Difference]: Start difference. First operand 546 states and 776 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2025-02-06 05:21:31,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 05:21:31,862 INFO L93 Difference]: Finished difference Result 1046 states and 1498 transitions. [2025-02-06 05:21:31,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 05:21:31,863 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 192 [2025-02-06 05:21:31,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 05:21:31,871 INFO L225 Difference]: With dead ends: 1046 [2025-02-06 05:21:31,871 INFO L226 Difference]: Without dead ends: 548 [2025-02-06 05:21:31,874 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2025-02-06 05:21:31,875 INFO L435 NwaCegarLoop]: 727 mSDtfsCounter, 764 mSDsluCounter, 2149 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 772 SdHoareTripleChecker+Valid, 2876 SdHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2025-02-06 05:21:31,875 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [772 Valid, 2876 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2025-02-06 05:21:31,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2025-02-06 05:21:31,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 548. [2025-02-06 05:21:31,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 548 states, 312 states have (on average 1.2211538461538463) internal successors, (381), 315 states have internal predecessors, (381), 199 states have call successors, (199), 35 states have call predecessors, (199), 35 states have return successors, (205), 197 states have call predecessors, (205), 197 states have call successors, (205) [2025-02-06 05:21:31,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 548 states and 785 transitions. [2025-02-06 05:21:31,930 INFO L78 Accepts]: Start accepts. Automaton has 548 states and 785 transitions. Word has length 192 [2025-02-06 05:21:31,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 05:21:31,930 INFO L471 AbstractCegarLoop]: Abstraction has 548 states and 785 transitions. [2025-02-06 05:21:31,930 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2025-02-06 05:21:31,930 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 785 transitions. [2025-02-06 05:21:31,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2025-02-06 05:21:31,933 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 05:21:31,933 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 05:21:31,950 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-02-06 05:21:32,137 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 [2025-02-06 05:21:32,137 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 05:21:32,139 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 05:21:32,140 INFO L85 PathProgramCache]: Analyzing trace with hash -2087052475, now seen corresponding path program 1 times [2025-02-06 05:21:32,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 05:21:32,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494147673] [2025-02-06 05:21:32,140 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:21:32,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 05:21:35,937 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 200 statements into 1 equivalence classes. [2025-02-06 05:21:36,055 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 200 of 200 statements. [2025-02-06 05:21:36,056 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:21:36,056 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:21:37,460 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 305 trivial. 0 not checked. [2025-02-06 05:21:37,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 05:21:37,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494147673] [2025-02-06 05:21:37,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1494147673] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 05:21:37,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1460251643] [2025-02-06 05:21:37,461 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:21:37,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 05:21:37,461 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:21:37,466 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) [2025-02-06 05:21:37,468 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 [2025-02-06 05:21:41,608 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 200 statements into 1 equivalence classes. [2025-02-06 05:21:42,077 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 200 of 200 statements. [2025-02-06 05:21:42,077 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:21:42,077 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:21:42,099 INFO L256 TraceCheckSpWp]: Trace formula consists of 4720 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-06 05:21:42,108 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 05:21:43,846 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2025-02-06 05:21:43,846 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 05:21:43,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1460251643] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 05:21:43,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 05:21:43,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [7] total 13 [2025-02-06 05:21:43,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092414245] [2025-02-06 05:21:43,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 05:21:43,847 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-06 05:21:43,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 05:21:43,848 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-06 05:21:43,848 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2025-02-06 05:21:43,848 INFO L87 Difference]: Start difference. First operand 548 states and 785 transitions. Second operand has 8 states, 8 states have (on average 9.0) internal successors, (72), 8 states have internal predecessors, (72), 4 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) [2025-02-06 05:21:50,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 05:21:50,528 INFO L93 Difference]: Finished difference Result 1069 states and 1574 transitions. [2025-02-06 05:21:50,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-06 05:21:50,528 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.0) internal successors, (72), 8 states have internal predecessors, (72), 4 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) Word has length 200 [2025-02-06 05:21:50,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 05:21:50,537 INFO L225 Difference]: With dead ends: 1069 [2025-02-06 05:21:50,537 INFO L226 Difference]: Without dead ends: 569 [2025-02-06 05:21:50,547 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=56, Invalid=286, Unknown=0, NotChecked=0, Total=342 [2025-02-06 05:21:50,548 INFO L435 NwaCegarLoop]: 689 mSDtfsCounter, 814 mSDsluCounter, 3345 mSDsCounter, 0 mSdLazyCounter, 567 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 852 SdHoareTripleChecker+Valid, 4034 SdHoareTripleChecker+Invalid, 607 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 567 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2025-02-06 05:21:50,548 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [852 Valid, 4034 Invalid, 607 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 567 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time] [2025-02-06 05:21:50,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 569 states. [2025-02-06 05:21:50,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 569 to 567. [2025-02-06 05:21:50,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 567 states, 328 states have (on average 1.228658536585366) internal successors, (403), 331 states have internal predecessors, (403), 201 states have call successors, (201), 35 states have call predecessors, (201), 36 states have return successors, (239), 200 states have call predecessors, (239), 199 states have call successors, (239) [2025-02-06 05:21:50,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 567 states and 843 transitions. [2025-02-06 05:21:50,594 INFO L78 Accepts]: Start accepts. Automaton has 567 states and 843 transitions. Word has length 200 [2025-02-06 05:21:50,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 05:21:50,596 INFO L471 AbstractCegarLoop]: Abstraction has 567 states and 843 transitions. [2025-02-06 05:21:50,596 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.0) internal successors, (72), 8 states have internal predecessors, (72), 4 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) [2025-02-06 05:21:50,596 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 843 transitions. [2025-02-06 05:21:50,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2025-02-06 05:21:50,598 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 05:21:50,598 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 05:21:50,636 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-02-06 05:21:50,799 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 [2025-02-06 05:21:50,799 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 05:21:50,799 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 05:21:50,799 INFO L85 PathProgramCache]: Analyzing trace with hash 1452524745, now seen corresponding path program 1 times [2025-02-06 05:21:50,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 05:21:50,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781410448] [2025-02-06 05:21:50,800 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:21:50,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 05:21:54,305 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 215 statements into 1 equivalence classes. [2025-02-06 05:21:54,412 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 215 of 215 statements. [2025-02-06 05:21:54,412 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:21:54,413 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:21:55,572 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2025-02-06 05:21:55,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 05:21:55,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1781410448] [2025-02-06 05:21:55,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1781410448] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 05:21:55,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1982753345] [2025-02-06 05:21:55,574 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:21:55,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 05:21:55,574 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:21:55,579 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) [2025-02-06 05:21:55,580 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 [2025-02-06 05:21:59,760 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 215 statements into 1 equivalence classes. [2025-02-06 05:22:00,210 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 215 of 215 statements. [2025-02-06 05:22:00,210 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:22:00,210 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:22:00,232 INFO L256 TraceCheckSpWp]: Trace formula consists of 4847 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-06 05:22:00,239 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 05:22:01,457 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2025-02-06 05:22:01,458 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 05:22:01,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1982753345] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 05:22:01,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 05:22:01,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2025-02-06 05:22:01,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67876468] [2025-02-06 05:22:01,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 05:22:01,458 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-06 05:22:01,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 05:22:01,459 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-06 05:22:01,459 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2025-02-06 05:22:01,459 INFO L87 Difference]: Start difference. First operand 567 states and 843 transitions. Second operand has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 7 states have internal predecessors, (83), 4 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2025-02-06 05:22:04,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 05:22:04,650 INFO L93 Difference]: Finished difference Result 1092 states and 1643 transitions. [2025-02-06 05:22:04,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 05:22:04,651 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 7 states have internal predecessors, (83), 4 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) Word has length 215 [2025-02-06 05:22:04,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 05:22:04,655 INFO L225 Difference]: With dead ends: 1092 [2025-02-06 05:22:04,655 INFO L226 Difference]: Without dead ends: 573 [2025-02-06 05:22:04,657 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2025-02-06 05:22:04,658 INFO L435 NwaCegarLoop]: 719 mSDtfsCounter, 780 mSDsluCounter, 2818 mSDsCounter, 0 mSdLazyCounter, 283 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 788 SdHoareTripleChecker+Valid, 3537 SdHoareTripleChecker+Invalid, 316 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 283 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2025-02-06 05:22:04,658 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [788 Valid, 3537 Invalid, 316 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 283 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2025-02-06 05:22:04,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 573 states. [2025-02-06 05:22:04,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 573 to 567. [2025-02-06 05:22:04,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 567 states, 328 states have (on average 1.228658536585366) internal successors, (403), 331 states have internal predecessors, (403), 201 states have call successors, (201), 35 states have call predecessors, (201), 36 states have return successors, (239), 200 states have call predecessors, (239), 199 states have call successors, (239) [2025-02-06 05:22:04,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 567 states and 843 transitions. [2025-02-06 05:22:04,678 INFO L78 Accepts]: Start accepts. Automaton has 567 states and 843 transitions. Word has length 215 [2025-02-06 05:22:04,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 05:22:04,679 INFO L471 AbstractCegarLoop]: Abstraction has 567 states and 843 transitions. [2025-02-06 05:22:04,679 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 7 states have internal predecessors, (83), 4 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2025-02-06 05:22:04,679 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 843 transitions. [2025-02-06 05:22:04,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2025-02-06 05:22:04,681 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 05:22:04,681 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 5, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 05:22:04,701 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-02-06 05:22:04,886 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 [2025-02-06 05:22:04,886 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 05:22:04,886 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 05:22:04,886 INFO L85 PathProgramCache]: Analyzing trace with hash -1604488487, now seen corresponding path program 1 times [2025-02-06 05:22:04,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 05:22:04,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452688902] [2025-02-06 05:22:04,887 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:22:04,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 05:22:08,399 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 231 statements into 1 equivalence classes. [2025-02-06 05:22:08,508 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 231 of 231 statements. [2025-02-06 05:22:08,509 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:22:08,509 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:22:09,936 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 318 trivial. 0 not checked. [2025-02-06 05:22:09,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 05:22:09,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452688902] [2025-02-06 05:22:09,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1452688902] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 05:22:09,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1232678700] [2025-02-06 05:22:09,937 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:22:09,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 05:22:09,937 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:22:09,940 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) [2025-02-06 05:22:09,941 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 [2025-02-06 05:22:14,155 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 231 statements into 1 equivalence classes. [2025-02-06 05:22:14,639 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 231 of 231 statements. [2025-02-06 05:22:14,639 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:22:14,639 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:22:14,666 INFO L256 TraceCheckSpWp]: Trace formula consists of 4919 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-06 05:22:14,677 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 05:22:16,775 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2025-02-06 05:22:16,775 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 05:22:16,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1232678700] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 05:22:16,775 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 05:22:16,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [8] total 15 [2025-02-06 05:22:16,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142957088] [2025-02-06 05:22:16,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 05:22:16,777 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-06 05:22:16,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 05:22:16,781 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-06 05:22:16,782 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2025-02-06 05:22:16,782 INFO L87 Difference]: Start difference. First operand 567 states and 843 transitions. Second operand has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 9 states have internal predecessors, (97), 5 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (33), 5 states have call predecessors, (33), 5 states have call successors, (33) [2025-02-06 05:22:24,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 05:22:24,630 INFO L93 Difference]: Finished difference Result 1103 states and 1653 transitions. [2025-02-06 05:22:24,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-06 05:22:24,630 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 9 states have internal predecessors, (97), 5 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (33), 5 states have call predecessors, (33), 5 states have call successors, (33) Word has length 231 [2025-02-06 05:22:24,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 05:22:24,639 INFO L225 Difference]: With dead ends: 1103 [2025-02-06 05:22:24,639 INFO L226 Difference]: Without dead ends: 584 [2025-02-06 05:22:24,643 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 227 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=72, Invalid=434, Unknown=0, NotChecked=0, Total=506 [2025-02-06 05:22:24,643 INFO L435 NwaCegarLoop]: 683 mSDtfsCounter, 837 mSDsluCounter, 3971 mSDsCounter, 0 mSdLazyCounter, 707 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 874 SdHoareTripleChecker+Valid, 4654 SdHoareTripleChecker+Invalid, 755 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 707 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2025-02-06 05:22:24,643 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [874 Valid, 4654 Invalid, 755 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 707 Invalid, 0 Unknown, 0 Unchecked, 6.5s Time] [2025-02-06 05:22:24,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 584 states. [2025-02-06 05:22:24,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 584 to 567. [2025-02-06 05:22:24,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 567 states, 328 states have (on average 1.228658536585366) internal successors, (403), 331 states have internal predecessors, (403), 201 states have call successors, (201), 35 states have call predecessors, (201), 36 states have return successors, (239), 200 states have call predecessors, (239), 199 states have call successors, (239) [2025-02-06 05:22:24,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 567 states and 843 transitions. [2025-02-06 05:22:24,669 INFO L78 Accepts]: Start accepts. Automaton has 567 states and 843 transitions. Word has length 231 [2025-02-06 05:22:24,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 05:22:24,670 INFO L471 AbstractCegarLoop]: Abstraction has 567 states and 843 transitions. [2025-02-06 05:22:24,671 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 9 states have internal predecessors, (97), 5 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (33), 5 states have call predecessors, (33), 5 states have call successors, (33) [2025-02-06 05:22:24,671 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 843 transitions. [2025-02-06 05:22:24,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2025-02-06 05:22:24,674 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 05:22:24,675 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 05:22:24,694 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 [2025-02-06 05:22:24,875 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 [2025-02-06 05:22:24,876 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 05:22:24,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 05:22:24,876 INFO L85 PathProgramCache]: Analyzing trace with hash -542618607, now seen corresponding path program 2 times [2025-02-06 05:22:24,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 05:22:24,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421003814] [2025-02-06 05:22:24,876 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 05:22:24,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 05:22:28,239 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 246 statements into 2 equivalence classes. [2025-02-06 05:22:28,318 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 28 of 246 statements. [2025-02-06 05:22:28,318 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-06 05:22:28,318 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:22:30,278 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2025-02-06 05:22:30,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 05:22:30,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421003814] [2025-02-06 05:22:30,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421003814] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 05:22:30,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 05:22:30,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-06 05:22:30,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685876315] [2025-02-06 05:22:30,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 05:22:30,279 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 05:22:30,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 05:22:30,279 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 05:22:30,279 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-06 05:22:30,280 INFO L87 Difference]: Start difference. First operand 567 states and 843 transitions. Second operand has 6 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (33), 2 states have call predecessors, (33), 1 states have call successors, (33) [2025-02-06 05:22:30,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 05:22:30,907 INFO L93 Difference]: Finished difference Result 575 states and 851 transitions. [2025-02-06 05:22:30,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 05:22:30,908 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (33), 2 states have call predecessors, (33), 1 states have call successors, (33) Word has length 246 [2025-02-06 05:22:30,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 05:22:30,914 INFO L225 Difference]: With dead ends: 575 [2025-02-06 05:22:30,914 INFO L226 Difference]: Without dead ends: 573 [2025-02-06 05:22:30,914 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2025-02-06 05:22:30,916 INFO L435 NwaCegarLoop]: 773 mSDtfsCounter, 3 mSDsluCounter, 3055 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 3828 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-06 05:22:30,916 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 3828 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-06 05:22:30,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 573 states. [2025-02-06 05:22:30,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 573 to 572. [2025-02-06 05:22:30,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 572 states, 331 states have (on average 1.2265861027190332) internal successors, (406), 334 states have internal predecessors, (406), 202 states have call successors, (202), 36 states have call predecessors, (202), 37 states have return successors, (240), 201 states have call predecessors, (240), 200 states have call successors, (240) [2025-02-06 05:22:30,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 572 states and 848 transitions. [2025-02-06 05:22:30,937 INFO L78 Accepts]: Start accepts. Automaton has 572 states and 848 transitions. Word has length 246 [2025-02-06 05:22:30,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 05:22:30,938 INFO L471 AbstractCegarLoop]: Abstraction has 572 states and 848 transitions. [2025-02-06 05:22:30,938 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (33), 2 states have call predecessors, (33), 1 states have call successors, (33) [2025-02-06 05:22:30,938 INFO L276 IsEmpty]: Start isEmpty. Operand 572 states and 848 transitions. [2025-02-06 05:22:30,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2025-02-06 05:22:30,941 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 05:22:30,941 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 05:22:30,941 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-06 05:22:30,942 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 05:22:30,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 05:22:30,943 INFO L85 PathProgramCache]: Analyzing trace with hash 1749581769, now seen corresponding path program 3 times [2025-02-06 05:22:30,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 05:22:30,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792515917] [2025-02-06 05:22:30,943 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 05:22:30,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms