./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 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_harness_negated.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 2270fe5cc07251a3e14220516eaebb03f8e5cd298a28c4582f3a498662459431 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 05:20:51,039 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 05:20:51,092 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-06 05:20:51,097 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 05:20:51,098 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 05:20:51,111 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 05:20:51,111 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 05:20:51,112 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 05:20:51,112 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 05:20:51,112 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 05:20:51,112 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 05:20:51,112 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 05:20:51,112 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 05:20:51,112 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 05:20:51,112 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 05:20:51,112 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 05:20:51,112 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 05:20:51,112 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 05:20:51,113 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 05:20:51,113 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 05:20:51,113 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 05:20:51,113 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 05:20:51,113 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 05:20:51,113 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 05:20:51,113 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 05:20:51,113 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 05:20:51,113 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 05:20:51,113 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 05:20:51,113 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 05:20:51,113 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 05:20:51,113 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 05:20:51,113 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 05:20:51,113 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 05:20:51,113 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 05:20:51,113 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 05:20:51,114 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 05:20:51,114 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 05:20:51,114 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 05:20:51,114 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 05:20:51,114 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 05:20:51,114 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2270fe5cc07251a3e14220516eaebb03f8e5cd298a28c4582f3a498662459431 [2025-02-06 05:20:51,346 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 05:20:51,360 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 05:20:51,362 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 05:20:51,367 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 05:20:51,367 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 05:20:51,372 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness_negated.i [2025-02-06 05:20:52,667 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/dcb3c14f1/59f9b65fb26245a2b769fbd7f8d3478f/FLAG5a0cc5ac2 [2025-02-06 05:20:53,226 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 05:20:53,226 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness_negated.i [2025-02-06 05:20:53,269 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/dcb3c14f1/59f9b65fb26245a2b769fbd7f8d3478f/FLAG5a0cc5ac2 [2025-02-06 05:20:53,284 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/dcb3c14f1/59f9b65fb26245a2b769fbd7f8d3478f [2025-02-06 05:20:53,286 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 05:20:53,287 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 05:20:53,288 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 05:20:53,288 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 05:20:53,291 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 05:20:53,292 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 05:20:53" (1/1) ... [2025-02-06 05:20:53,294 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d80d568 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:20:53, skipping insertion in model container [2025-02-06 05:20:53,294 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 05:20:53" (1/1) ... [2025-02-06 05:20:53,363 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 05:20:53,557 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness_negated.i[4497,4510] [2025-02-06 05:20:53,564 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness_negated.i[4557,4570] [2025-02-06 05:20:54,415 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:20:54,416 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:20:54,417 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:20:54,418 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:20:54,420 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:20:54,442 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:20:54,442 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:20:54,443 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:20:54,443 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:20:54,451 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:20:54,452 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:20:54,452 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:20:54,457 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:20:55,047 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:20:55,058 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:20:55,129 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:20:55,133 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:20:55,133 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:20:55,133 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:20:55,133 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:20:55,134 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:20:55,134 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:20:55,138 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:20:55,138 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:20:55,138 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:20:55,138 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:20:55,138 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:20:55,138 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:20:55,141 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:20:55,144 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:20:55,145 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:20:55,145 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:20:55,147 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:20:55,147 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:20:55,154 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:20:55,158 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:20:55,158 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:20:55,168 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 05:20:55,194 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 05:20:55,202 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness_negated.i[4497,4510] [2025-02-06 05:20:55,202 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness_negated.i[4557,4570] [2025-02-06 05:20:55,279 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:20:55,282 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:20:55,283 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:20:55,283 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:20:55,283 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:20:55,291 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:20:55,295 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:20:55,296 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:20:55,296 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:20:55,297 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:20:55,297 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:20:55,297 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:20:55,297 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:20:55,367 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:20:55,371 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:20:55,375 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7739-7750] [2025-02-06 05:20:55,385 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:20:55,385 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:20:55,385 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:20:55,385 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:20:55,385 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:20:55,386 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:20:55,386 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:20:55,386 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:20:55,386 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:20:55,386 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:20:55,387 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:20:55,387 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:20:55,387 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:20:55,387 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:20:55,387 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:20:55,387 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:20:55,388 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:20:55,389 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:20:55,389 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:20:55,392 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:20:55,392 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:20:55,392 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:20:55,396 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 05:20:55,557 INFO L204 MainTranslator]: Completed translation [2025-02-06 05:20:55,557 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:20:55 WrapperNode [2025-02-06 05:20:55,557 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 05:20:55,558 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 05:20:55,558 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 05:20:55,558 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 05:20:55,563 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:20:55" (1/1) ... [2025-02-06 05:20:55,617 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:20:55" (1/1) ... [2025-02-06 05:20:55,688 INFO L138 Inliner]: procedures = 686, calls = 1891, calls flagged for inlining = 59, calls inlined = 19, statements flattened = 1192 [2025-02-06 05:20:55,692 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 05:20:55,692 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 05:20:55,695 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 05:20:55,695 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 05:20:55,705 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:20:55" (1/1) ... [2025-02-06 05:20:55,706 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:20:55" (1/1) ... [2025-02-06 05:20:55,715 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:20:55" (1/1) ... [2025-02-06 05:20:55,811 INFO L175 MemorySlicer]: Split 385 memory accesses to 6 slices as follows [2, 238, 105, 9, 24, 7]. 62 percent of accesses are in the largest equivalence class. The 16 initializations are split as follows [2, 6, 0, 1, 5, 2]. The 268 writes are split as follows [0, 232, 26, 1, 8, 1]. [2025-02-06 05:20:55,815 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:20:55" (1/1) ... [2025-02-06 05:20:55,815 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:20:55" (1/1) ... [2025-02-06 05:20:55,854 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:20:55" (1/1) ... [2025-02-06 05:20:55,857 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:20:55" (1/1) ... [2025-02-06 05:20:55,863 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:20:55" (1/1) ... [2025-02-06 05:20:55,866 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:20:55" (1/1) ... [2025-02-06 05:20:55,882 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 05:20:55,883 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 05:20:55,883 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 05:20:55,883 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 05:20:55,884 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:20:55" (1/1) ... [2025-02-06 05:20:55,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 05:20:55,906 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:20:55,924 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 05:20:55,932 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 05:20:55,943 INFO L130 BoogieDeclarations]: Found specification of procedure s_swap [2025-02-06 05:20:55,944 INFO L138 BoogieDeclarations]: Found implementation of procedure s_swap [2025-02-06 05:20:55,944 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_init_dynamic [2025-02-06 05:20:55,944 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_init_dynamic [2025-02-06 05:20:55,944 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2025-02-06 05:20:55,944 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2025-02-06 05:20:55,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-06 05:20:55,944 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2025-02-06 05:20:55,944 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2025-02-06 05:20:55,944 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2025-02-06 05:20:55,944 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2025-02-06 05:20:55,944 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-06 05:20:55,944 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-06 05:20:55,944 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2025-02-06 05:20:55,944 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2025-02-06 05:20:55,945 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_up [2025-02-06 05:20:55,945 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_up [2025-02-06 05:20:55,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-06 05:20:55,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-06 05:20:55,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-06 05:20:55,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-06 05:20:55,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-06 05:20:55,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-02-06 05:20:55,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-06 05:20:55,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-06 05:20:55,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-06 05:20:55,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-06 05:20:55,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-06 05:20:55,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-06 05:20:55,945 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-02-06 05:20:55,945 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-02-06 05:20:55,946 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-06 05:20:55,946 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-06 05:20:55,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-06 05:20:55,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 05:20:55,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-06 05:20:55,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-06 05:20:55,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-06 05:20:55,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-06 05:20:55,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-06 05:20:55,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-02-06 05:20:55,946 INFO L130 BoogieDeclarations]: Found specification of procedure my_abort [2025-02-06 05:20:55,946 INFO L138 BoogieDeclarations]: Found implementation of procedure my_abort [2025-02-06 05:20:55,946 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2025-02-06 05:20:55,946 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2025-02-06 05:20:55,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 05:20:55,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 05:20:55,946 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-06 05:20:55,947 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-06 05:20:55,947 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2025-02-06 05:20:55,947 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2025-02-06 05:20:55,947 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-02-06 05:20:55,947 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-02-06 05:20:55,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-06 05:20:55,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-06 05:20:55,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-06 05:20:55,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-06 05:20:55,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-06 05:20:55,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-02-06 05:20:55,947 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2025-02-06 05:20:55,947 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2025-02-06 05:20:55,947 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2025-02-06 05:20:55,947 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2025-02-06 05:20:55,947 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2025-02-06 05:20:55,947 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2025-02-06 05:20:55,948 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2025-02-06 05:20:55,948 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2025-02-06 05:20:55,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-02-06 05:20:55,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-02-06 05:20:55,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-02-06 05:20:55,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-02-06 05:20:55,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-02-06 05:20:55,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2025-02-06 05:20:55,948 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-02-06 05:20:55,948 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-02-06 05:20:55,948 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-02-06 05:20:55,948 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-02-06 05:20:55,948 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-02-06 05:20:55,948 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2025-02-06 05:20:55,948 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 05:20:55,948 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 05:20:55,948 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2025-02-06 05:20:55,948 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2025-02-06 05:20:55,949 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_pop_back [2025-02-06 05:20:55,949 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_pop_back [2025-02-06 05:20:55,949 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2025-02-06 05:20:55,949 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2025-02-06 05:20:55,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-06 05:20:55,949 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2025-02-06 05:20:55,949 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2025-02-06 05:20:55,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-06 05:20:55,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-06 05:20:55,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-06 05:20:55,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-06 05:20:55,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-06 05:20:55,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-02-06 05:20:55,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-06 05:20:55,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-06 05:20:55,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-06 05:20:55,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-06 05:20:55,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-06 05:20:55,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-02-06 05:20:55,950 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2025-02-06 05:20:55,950 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2025-02-06 05:20:55,950 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-02-06 05:20:55,950 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-02-06 05:20:55,950 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-02-06 05:20:55,950 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-02-06 05:20:55,950 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2025-02-06 05:20:55,950 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2025-02-06 05:20:55,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-06 05:20:55,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-06 05:20:55,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-06 05:20:55,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-06 05:20:55,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-06 05:20:55,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-06 05:20:55,950 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2025-02-06 05:20:55,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2025-02-06 05:20:55,951 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_set_at [2025-02-06 05:20:55,951 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_set_at [2025-02-06 05:20:55,951 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2025-02-06 05:20:55,951 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2025-02-06 05:20:55,951 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-02-06 05:20:55,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-02-06 05:20:55,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 05:20:55,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-06 05:20:55,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-06 05:20:55,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-06 05:20:55,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-06 05:20:55,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-06 05:20:56,243 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 05:20:56,245 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 05:20:56,276 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6923: havoc #t~malloc583.base, #t~malloc583.offset; [2025-02-06 05:20:56,296 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc #t~nondet6; [2025-02-06 05:20:56,321 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2590: havoc #t~ret57#1; [2025-02-06 05:20:56,414 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 05:20:56,499 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 05:20:56,551 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 05:20:56,554 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-06 05:20:56,564 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6962: havoc #t~ret595.base, #t~ret595.offset; [2025-02-06 05:20:56,690 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7504: havoc aws_array_list_ensure_capacity_#t~ret764#1; [2025-02-06 05:20:56,690 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 05:20:56,690 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 05:20:56,690 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7491: havoc aws_array_list_ensure_capacity_#t~ret757#1; [2025-02-06 05:20:56,724 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L8154: havoc ~node~1.base, ~node~1.offset; [2025-02-06 05:20:56,752 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L262: havoc nondet_int_#t~nondet5#1; [2025-02-06 05:20:56,753 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7252: havoc nondet_compare_#t~ret668#1; [2025-02-06 05:20:56,773 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L3203: havoc #t~ret243; [2025-02-06 05:20:56,781 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7360: havoc #t~ret681.base, #t~ret681.offset; [2025-02-06 05:20:56,813 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 05:20:56,924 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 05:20:56,941 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2617: havoc #t~ret59#1; [2025-02-06 05:21:02,207 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2997: havoc aws_array_list_push_back_#t~ret123#1; [2025-02-06 05:21:02,207 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L8284: call ULTIMATE.dealloc(aws_priority_queue_push_ref_~#backpointer#1.base, aws_priority_queue_push_ref_~#backpointer#1.offset);havoc aws_priority_queue_push_ref_~#backpointer#1.base, aws_priority_queue_push_ref_~#backpointer#1.offset; [2025-02-06 05:21:02,427 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L3121: havoc #t~ret187; [2025-02-06 05:21:02,427 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L3108: havoc ~last_item_offset~1; [2025-02-06 05:21:02,588 INFO L? ?]: Removed 321 outVars from TransFormulas that were not future-live. [2025-02-06 05:21:02,588 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 05:21:02,614 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 05:21:02,614 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 05:21:02,614 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 05:21:02 BoogieIcfgContainer [2025-02-06 05:21:02,615 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 05:21:02,653 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 05:21:02,655 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 05:21:02,659 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 05:21:02,659 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 05:20:53" (1/3) ... [2025-02-06 05:21:02,660 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d8bdc0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 05:21:02, skipping insertion in model container [2025-02-06 05:21:02,660 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:20:55" (2/3) ... [2025-02-06 05:21:02,660 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d8bdc0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 05:21:02, skipping insertion in model container [2025-02-06 05:21:02,660 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 05:21:02" (3/3) ... [2025-02-06 05:21:02,661 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_push_harness_negated.i [2025-02-06 05:21:02,673 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 05:21:02,675 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_priority_queue_push_harness_negated.i that has 39 procedures, 573 locations, 1 initial locations, 10 loop locations, and 2 error locations. [2025-02-06 05:21:02,740 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 05:21:02,750 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;@389c3aa4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 05:21:02,752 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-02-06 05:21:02,757 INFO L276 IsEmpty]: Start isEmpty. Operand has 557 states, 318 states have (on average 1.2358490566037736) internal successors, (393), 322 states have internal predecessors, (393), 202 states have call successors, (202), 34 states have call predecessors, (202), 34 states have return successors, (202), 202 states have call predecessors, (202), 202 states have call successors, (202) [2025-02-06 05:21:02,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2025-02-06 05:21:02,771 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 05:21:02,772 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 6, 6, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 05:21:02,773 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 05:21:02,776 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 05:21:02,777 INFO L85 PathProgramCache]: Analyzing trace with hash 273803312, now seen corresponding path program 1 times [2025-02-06 05:21:02,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 05:21:02,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382607938] [2025-02-06 05:21:02,784 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:21:02,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 05:21:07,388 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 197 statements into 1 equivalence classes. [2025-02-06 05:21:07,681 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 197 of 197 statements. [2025-02-06 05:21:07,682 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:21:07,682 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:21:08,119 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 372 trivial. 0 not checked. [2025-02-06 05:21:08,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 05:21:08,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382607938] [2025-02-06 05:21:08,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [382607938] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 05:21:08,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2073789811] [2025-02-06 05:21:08,121 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:21:08,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 05:21:08,122 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:21:08,126 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 05:21:08,128 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 05:21:12,657 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 197 statements into 1 equivalence classes. [2025-02-06 05:21:13,114 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 197 of 197 statements. [2025-02-06 05:21:13,114 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:21:13,114 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:21:13,136 INFO L256 TraceCheckSpWp]: Trace formula consists of 4666 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-06 05:21:13,145 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 05:21:13,163 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 372 trivial. 0 not checked. [2025-02-06 05:21:13,163 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 05:21:13,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2073789811] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 05:21:13,163 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 05:21:13,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-02-06 05:21:13,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087329267] [2025-02-06 05:21:13,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 05:21:13,167 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-06 05:21:13,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 05:21:13,184 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-06 05:21:13,184 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 05:21:13,187 INFO L87 Difference]: Start difference. First operand has 557 states, 318 states have (on average 1.2358490566037736) internal successors, (393), 322 states have internal predecessors, (393), 202 states have call successors, (202), 34 states have call predecessors, (202), 34 states have return successors, (202), 202 states have call predecessors, (202), 202 states have call successors, (202) Second operand has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2025-02-06 05:21:13,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 05:21:13,250 INFO L93 Difference]: Finished difference Result 1086 states and 1676 transitions. [2025-02-06 05:21:13,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-06 05:21:13,252 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 197 [2025-02-06 05:21:13,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 05:21:13,262 INFO L225 Difference]: With dead ends: 1086 [2025-02-06 05:21:13,263 INFO L226 Difference]: Without dead ends: 550 [2025-02-06 05:21:13,271 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 198 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 05:21:13,273 INFO L435 NwaCegarLoop]: 790 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, 790 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 05:21:13,273 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 790 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 05:21:13,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 550 states. [2025-02-06 05:21:13,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 550 to 550. [2025-02-06 05:21:13,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 550 states, 313 states have (on average 1.2236421725239617) internal successors, (383), 315 states have internal predecessors, (383), 202 states have call successors, (202), 34 states have call predecessors, (202), 33 states have return successors, (200), 200 states have call predecessors, (200), 200 states have call successors, (200) [2025-02-06 05:21:13,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 550 states and 785 transitions. [2025-02-06 05:21:13,339 INFO L78 Accepts]: Start accepts. Automaton has 550 states and 785 transitions. Word has length 197 [2025-02-06 05:21:13,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 05:21:13,340 INFO L471 AbstractCegarLoop]: Abstraction has 550 states and 785 transitions. [2025-02-06 05:21:13,341 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2025-02-06 05:21:13,341 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 785 transitions. [2025-02-06 05:21:13,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2025-02-06 05:21:13,344 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 05:21:13,344 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 6, 6, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 05:21:13,364 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 05:21:13,549 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 05:21:13,549 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 05:21:13,550 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 05:21:13,550 INFO L85 PathProgramCache]: Analyzing trace with hash 1493590385, now seen corresponding path program 1 times [2025-02-06 05:21:13,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 05:21:13,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963380918] [2025-02-06 05:21:13,551 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:21:13,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 05:21:17,196 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 197 statements into 1 equivalence classes. [2025-02-06 05:21:17,326 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 197 of 197 statements. [2025-02-06 05:21:17,327 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:21:17,327 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:21:18,252 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2025-02-06 05:21:18,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 05:21:18,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963380918] [2025-02-06 05:21:18,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [963380918] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 05:21:18,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1739732589] [2025-02-06 05:21:18,253 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:21:18,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 05:21:18,253 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:21:18,257 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 05:21:18,260 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 05:21:22,680 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 197 statements into 1 equivalence classes. [2025-02-06 05:21:23,143 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 197 of 197 statements. [2025-02-06 05:21:23,143 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:21:23,143 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:21:23,167 INFO L256 TraceCheckSpWp]: Trace formula consists of 4666 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 05:21:23,177 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 05:21:24,148 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2025-02-06 05:21:24,148 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 05:21:24,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1739732589] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 05:21:24,148 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 05:21:24,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2025-02-06 05:21:24,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130476809] [2025-02-06 05:21:24,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 05:21:24,149 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 05:21:24,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 05:21:24,150 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 05:21:24,150 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2025-02-06 05:21:24,150 INFO L87 Difference]: Start difference. First operand 550 states and 785 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 3 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2025-02-06 05:21:27,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 05:21:27,394 INFO L93 Difference]: Finished difference Result 1054 states and 1518 transitions. [2025-02-06 05:21:27,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 05:21:27,395 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 3 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 197 [2025-02-06 05:21:27,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 05:21:27,404 INFO L225 Difference]: With dead ends: 1054 [2025-02-06 05:21:27,404 INFO L226 Difference]: Without dead ends: 552 [2025-02-06 05:21:27,407 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2025-02-06 05:21:27,408 INFO L435 NwaCegarLoop]: 708 mSDtfsCounter, 795 mSDsluCounter, 2037 mSDsCounter, 0 mSdLazyCounter, 269 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 799 SdHoareTripleChecker+Valid, 2745 SdHoareTripleChecker+Invalid, 372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2025-02-06 05:21:27,408 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [799 Valid, 2745 Invalid, 372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 269 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2025-02-06 05:21:27,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 552 states. [2025-02-06 05:21:27,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 552 to 552. [2025-02-06 05:21:27,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 552 states, 314 states have (on average 1.2229299363057324) internal successors, (384), 317 states have internal predecessors, (384), 202 states have call successors, (202), 34 states have call predecessors, (202), 34 states have return successors, (210), 200 states have call predecessors, (210), 200 states have call successors, (210) [2025-02-06 05:21:27,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 552 states and 796 transitions. [2025-02-06 05:21:27,454 INFO L78 Accepts]: Start accepts. Automaton has 552 states and 796 transitions. Word has length 197 [2025-02-06 05:21:27,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 05:21:27,455 INFO L471 AbstractCegarLoop]: Abstraction has 552 states and 796 transitions. [2025-02-06 05:21:27,457 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 3 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2025-02-06 05:21:27,457 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 796 transitions. [2025-02-06 05:21:27,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2025-02-06 05:21:27,459 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 05:21:27,459 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 6, 6, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 05:21:27,476 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 05:21:27,660 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 05:21:27,660 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 05:21:27,661 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 05:21:27,661 INFO L85 PathProgramCache]: Analyzing trace with hash 1548013891, now seen corresponding path program 1 times [2025-02-06 05:21:27,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 05:21:27,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786084898] [2025-02-06 05:21:27,661 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:21:27,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 05:21:31,626 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 205 statements into 1 equivalence classes. [2025-02-06 05:21:31,706 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 205 of 205 statements. [2025-02-06 05:21:31,707 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:21:31,707 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:21:32,960 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 393 trivial. 0 not checked. [2025-02-06 05:21:32,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 05:21:32,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786084898] [2025-02-06 05:21:32,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786084898] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 05:21:32,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1480078745] [2025-02-06 05:21:32,960 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:21:32,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 05:21:32,960 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:21:32,964 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 05:21:32,965 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 05:21:37,124 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 205 statements into 1 equivalence classes. [2025-02-06 05:21:37,592 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 205 of 205 statements. [2025-02-06 05:21:37,593 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:21:37,593 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:21:37,614 INFO L256 TraceCheckSpWp]: Trace formula consists of 4716 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-06 05:21:37,621 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 05:21:39,086 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2025-02-06 05:21:39,086 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 05:21:39,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1480078745] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 05:21:39,086 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 05:21:39,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [7] total 13 [2025-02-06 05:21:39,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207116446] [2025-02-06 05:21:39,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 05:21:39,094 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-06 05:21:39,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 05:21:39,094 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-06 05:21:39,094 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2025-02-06 05:21:39,095 INFO L87 Difference]: Start difference. First operand 552 states and 796 transitions. Second operand has 8 states, 8 states have (on average 9.125) internal successors, (73), 8 states have internal predecessors, (73), 4 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2025-02-06 05:21:46,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 05:21:46,563 INFO L93 Difference]: Finished difference Result 1077 states and 1598 transitions. [2025-02-06 05:21:46,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-06 05:21:46,564 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.125) internal successors, (73), 8 states have internal predecessors, (73), 4 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) Word has length 205 [2025-02-06 05:21:46,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 05:21:46,571 INFO L225 Difference]: With dead ends: 1077 [2025-02-06 05:21:46,571 INFO L226 Difference]: Without dead ends: 573 [2025-02-06 05:21:46,574 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=56, Invalid=286, Unknown=0, NotChecked=0, Total=342 [2025-02-06 05:21:46,575 INFO L435 NwaCegarLoop]: 675 mSDtfsCounter, 843 mSDsluCounter, 3218 mSDsCounter, 0 mSdLazyCounter, 688 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 874 SdHoareTripleChecker+Valid, 3893 SdHoareTripleChecker+Invalid, 808 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 688 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2025-02-06 05:21:46,576 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [874 Valid, 3893 Invalid, 808 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 688 Invalid, 0 Unknown, 0 Unchecked, 6.6s Time] [2025-02-06 05:21:46,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 573 states. [2025-02-06 05:21:46,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 573 to 571. [2025-02-06 05:21:46,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 571 states, 330 states have (on average 1.2303030303030302) internal successors, (406), 333 states have internal predecessors, (406), 204 states have call successors, (204), 34 states have call predecessors, (204), 35 states have return successors, (244), 203 states have call predecessors, (244), 202 states have call successors, (244) [2025-02-06 05:21:46,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 571 states and 854 transitions. [2025-02-06 05:21:46,611 INFO L78 Accepts]: Start accepts. Automaton has 571 states and 854 transitions. Word has length 205 [2025-02-06 05:21:46,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 05:21:46,611 INFO L471 AbstractCegarLoop]: Abstraction has 571 states and 854 transitions. [2025-02-06 05:21:46,611 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.125) internal successors, (73), 8 states have internal predecessors, (73), 4 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2025-02-06 05:21:46,611 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 854 transitions. [2025-02-06 05:21:46,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2025-02-06 05:21:46,613 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 05:21:46,614 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 6, 6, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 05:21:46,634 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 05:21:46,814 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 05:21:46,814 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 05:21:46,815 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 05:21:46,815 INFO L85 PathProgramCache]: Analyzing trace with hash -253868969, now seen corresponding path program 1 times [2025-02-06 05:21:46,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 05:21:46,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723119411] [2025-02-06 05:21:46,815 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:21:46,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 05:21:50,414 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 220 statements into 1 equivalence classes. [2025-02-06 05:21:50,543 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 220 of 220 statements. [2025-02-06 05:21:50,547 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:21:50,547 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:21:51,703 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2025-02-06 05:21:51,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 05:21:51,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723119411] [2025-02-06 05:21:51,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723119411] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 05:21:51,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [499249609] [2025-02-06 05:21:51,704 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:21:51,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 05:21:51,704 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:21:51,710 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 05:21:51,712 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 05:21:56,076 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 220 statements into 1 equivalence classes. [2025-02-06 05:21:56,592 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 220 of 220 statements. [2025-02-06 05:21:56,592 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:21:56,592 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:21:56,614 INFO L256 TraceCheckSpWp]: Trace formula consists of 4843 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-06 05:21:56,621 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 05:21:57,860 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2025-02-06 05:21:57,864 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 05:21:57,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [499249609] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 05:21:57,865 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 05:21:57,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2025-02-06 05:21:57,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567383868] [2025-02-06 05:21:57,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 05:21:57,868 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-06 05:21:57,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 05:21:57,868 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-06 05:21:57,868 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2025-02-06 05:21:57,868 INFO L87 Difference]: Start difference. First operand 571 states and 854 transitions. Second operand has 7 states, 7 states have (on average 12.0) internal successors, (84), 7 states have internal predecessors, (84), 4 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (34), 4 states have call predecessors, (34), 4 states have call successors, (34) [2025-02-06 05:22:02,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 05:22:02,336 INFO L93 Difference]: Finished difference Result 1100 states and 1669 transitions. [2025-02-06 05:22:02,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 05:22:02,337 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 7 states have internal predecessors, (84), 4 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (34), 4 states have call predecessors, (34), 4 states have call successors, (34) Word has length 220 [2025-02-06 05:22:02,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 05:22:02,345 INFO L225 Difference]: With dead ends: 1100 [2025-02-06 05:22:02,348 INFO L226 Difference]: Without dead ends: 577 [2025-02-06 05:22:02,351 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 216 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 05:22:02,356 INFO L435 NwaCegarLoop]: 700 mSDtfsCounter, 811 mSDsluCounter, 2685 mSDsCounter, 0 mSdLazyCounter, 396 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 815 SdHoareTripleChecker+Valid, 3385 SdHoareTripleChecker+Invalid, 503 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 396 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2025-02-06 05:22:02,356 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [815 Valid, 3385 Invalid, 503 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 396 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2025-02-06 05:22:02,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2025-02-06 05:22:02,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 571. [2025-02-06 05:22:02,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 571 states, 330 states have (on average 1.2303030303030302) internal successors, (406), 333 states have internal predecessors, (406), 204 states have call successors, (204), 34 states have call predecessors, (204), 35 states have return successors, (244), 203 states have call predecessors, (244), 202 states have call successors, (244) [2025-02-06 05:22:02,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 571 states and 854 transitions. [2025-02-06 05:22:02,391 INFO L78 Accepts]: Start accepts. Automaton has 571 states and 854 transitions. Word has length 220 [2025-02-06 05:22:02,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 05:22:02,392 INFO L471 AbstractCegarLoop]: Abstraction has 571 states and 854 transitions. [2025-02-06 05:22:02,392 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 7 states have internal predecessors, (84), 4 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (34), 4 states have call predecessors, (34), 4 states have call successors, (34) [2025-02-06 05:22:02,392 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 854 transitions. [2025-02-06 05:22:02,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2025-02-06 05:22:02,395 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 05:22:02,395 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 6, 6, 5, 5, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 05:22:02,413 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 05:22:02,595 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 05:22:02,595 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 05:22:02,596 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 05:22:02,596 INFO L85 PathProgramCache]: Analyzing trace with hash 1246795699, now seen corresponding path program 1 times [2025-02-06 05:22:02,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 05:22:02,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930353152] [2025-02-06 05:22:02,596 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:22:02,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 05:22:06,189 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 236 statements into 1 equivalence classes. [2025-02-06 05:22:06,302 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 236 of 236 statements. [2025-02-06 05:22:06,302 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:22:06,302 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:22:07,792 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 406 trivial. 0 not checked. [2025-02-06 05:22:07,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 05:22:07,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930353152] [2025-02-06 05:22:07,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930353152] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 05:22:07,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1297684264] [2025-02-06 05:22:07,793 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:22:07,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 05:22:07,793 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:22:07,796 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 05:22:07,797 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 05:22:12,213 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 236 statements into 1 equivalence classes. [2025-02-06 05:22:12,694 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 236 of 236 statements. [2025-02-06 05:22:12,694 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:22:12,694 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:22:12,722 INFO L256 TraceCheckSpWp]: Trace formula consists of 4915 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-06 05:22:12,730 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 05:22:14,752 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2025-02-06 05:22:14,753 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 05:22:14,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1297684264] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 05:22:14,753 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 05:22:14,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [8] total 15 [2025-02-06 05:22:14,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611861393] [2025-02-06 05:22:14,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 05:22:14,754 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-06 05:22:14,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 05:22:14,754 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-06 05:22:14,755 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2025-02-06 05:22:14,755 INFO L87 Difference]: Start difference. First operand 571 states and 854 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 9 states have internal predecessors, (98), 5 states have call successors, (37), 2 states have call predecessors, (37), 4 states have return successors, (35), 5 states have call predecessors, (35), 5 states have call successors, (35) [2025-02-06 05:22:24,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 05:22:24,322 INFO L93 Difference]: Finished difference Result 1111 states and 1677 transitions. [2025-02-06 05:22:24,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-06 05:22:24,322 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 9 states have internal predecessors, (98), 5 states have call successors, (37), 2 states have call predecessors, (37), 4 states have return successors, (35), 5 states have call predecessors, (35), 5 states have call successors, (35) Word has length 236 [2025-02-06 05:22:24,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 05:22:24,329 INFO L225 Difference]: With dead ends: 1111 [2025-02-06 05:22:24,329 INFO L226 Difference]: Without dead ends: 588 [2025-02-06 05:22:24,331 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 232 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=72, Invalid=434, Unknown=0, NotChecked=0, Total=506 [2025-02-06 05:22:24,332 INFO L435 NwaCegarLoop]: 667 mSDtfsCounter, 867 mSDsluCounter, 3818 mSDsCounter, 0 mSdLazyCounter, 860 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 897 SdHoareTripleChecker+Valid, 4485 SdHoareTripleChecker+Invalid, 985 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 860 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2025-02-06 05:22:24,332 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [897 Valid, 4485 Invalid, 985 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 860 Invalid, 0 Unknown, 0 Unchecked, 8.2s Time] [2025-02-06 05:22:24,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 588 states. [2025-02-06 05:22:24,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 588 to 571. [2025-02-06 05:22:24,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 571 states, 330 states have (on average 1.2303030303030302) internal successors, (406), 333 states have internal predecessors, (406), 204 states have call successors, (204), 34 states have call predecessors, (204), 35 states have return successors, (244), 203 states have call predecessors, (244), 202 states have call successors, (244) [2025-02-06 05:22:24,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 571 states and 854 transitions. [2025-02-06 05:22:24,352 INFO L78 Accepts]: Start accepts. Automaton has 571 states and 854 transitions. Word has length 236 [2025-02-06 05:22:24,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 05:22:24,352 INFO L471 AbstractCegarLoop]: Abstraction has 571 states and 854 transitions. [2025-02-06 05:22:24,353 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 9 states have internal predecessors, (98), 5 states have call successors, (37), 2 states have call predecessors, (37), 4 states have return successors, (35), 5 states have call predecessors, (35), 5 states have call successors, (35) [2025-02-06 05:22:24,353 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 854 transitions. [2025-02-06 05:22:24,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2025-02-06 05:22:24,355 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 05:22:24,355 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 6, 6, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2025-02-06 05:22:24,379 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 05:22:24,555 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 05:22:24,559 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 05:22:24,560 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 05:22:24,560 INFO L85 PathProgramCache]: Analyzing trace with hash 452841571, now seen corresponding path program 2 times [2025-02-06 05:22:24,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 05:22:24,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378416263] [2025-02-06 05:22:24,560 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 05:22:24,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms