./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness_negated.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/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 fafc38909a055846da1b41b1ae706143d92ef6bb742651c374b2236f4f92c5ee --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 18:14:14,093 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 18:14:14,130 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-08 18:14:14,137 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 18:14:14,137 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 18:14:14,158 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 18:14:14,161 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 18:14:14,161 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 18:14:14,161 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 18:14:14,161 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 18:14:14,161 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 18:14:14,161 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 18:14:14,162 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 18:14:14,162 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 18:14:14,162 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 18:14:14,162 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 18:14:14,162 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 18:14:14,162 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 18:14:14,163 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 18:14:14,163 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 18:14:14,163 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 18:14:14,164 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 18:14:14,164 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 18:14:14,164 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 18:14:14,164 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 18:14:14,164 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 18:14:14,164 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 18:14:14,164 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 18:14:14,164 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 18:14:14,164 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 18:14:14,164 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 18:14:14,164 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 18:14:14,165 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 18:14:14,165 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 18:14:14,165 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 18:14:14,165 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 18:14:14,165 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 18:14:14,165 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 18:14:14,165 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 18:14:14,165 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 18:14:14,165 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/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 -> fafc38909a055846da1b41b1ae706143d92ef6bb742651c374b2236f4f92c5ee [2025-03-08 18:14:14,477 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 18:14:14,485 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 18:14:14,489 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 18:14:14,490 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 18:14:14,490 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 18:14:14,491 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness_negated.i [2025-03-08 18:14:15,690 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/812bb1bcb/9a59f77deb864d68abc443b54e33f99b/FLAG1b968fcf3 [2025-03-08 18:14:16,072 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 18:14:16,072 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness_negated.i [2025-03-08 18:14:16,104 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/812bb1bcb/9a59f77deb864d68abc443b54e33f99b/FLAG1b968fcf3 [2025-03-08 18:14:16,116 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/812bb1bcb/9a59f77deb864d68abc443b54e33f99b [2025-03-08 18:14:16,118 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 18:14:16,119 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 18:14:16,121 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 18:14:16,121 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 18:14:16,126 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 18:14:16,127 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 06:14:16" (1/1) ... [2025-03-08 18:14:16,128 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@550d8305 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:14:16, skipping insertion in model container [2025-03-08 18:14:16,128 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 06:14:16" (1/1) ... [2025-03-08 18:14:16,203 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 18:14:16,423 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness_negated.i[4499,4512] [2025-03-08 18:14:16,429 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness_negated.i[4559,4572] [2025-03-08 18:14:16,878 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:14:16,879 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:14:16,879 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:14:16,880 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:14:16,880 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:14:16,888 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:14:16,889 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:14:16,890 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:14:16,890 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:14:16,891 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:14:16,892 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:14:16,892 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:14:16,893 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:14:17,267 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:14:17,272 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:14:17,346 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:14:17,346 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:14:17,347 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:14:17,347 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:14:17,347 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:14:17,348 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:14:17,348 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:14:17,348 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:14:17,348 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:14:17,348 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:14:17,350 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:14:17,351 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:14:17,351 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:14:17,355 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:14:17,355 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:14:17,355 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:14:17,355 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:14:17,358 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:14:17,358 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:14:17,362 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:14:17,363 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:14:17,363 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:14:17,379 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:14:17,379 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:14:17,379 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:14:17,384 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 18:14:17,413 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 18:14:17,428 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness_negated.i[4499,4512] [2025-03-08 18:14:17,429 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness_negated.i[4559,4572] [2025-03-08 18:14:17,468 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:14:17,468 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:14:17,469 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:14:17,469 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:14:17,469 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:14:17,474 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:14:17,474 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:14:17,475 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:14:17,475 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:14:17,475 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:14:17,476 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:14:17,476 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:14:17,476 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:14:17,548 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:14:17,551 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:14:17,557 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7739-7750] [2025-03-08 18:14:17,623 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:14:17,623 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:14:17,624 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:14:17,624 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:14:17,624 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:14:17,624 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:14:17,625 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:14:17,625 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:14:17,625 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:14:17,625 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:14:17,625 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:14:17,625 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:14:17,625 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:14:17,627 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:14:17,627 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:14:17,627 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:14:17,628 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:14:17,629 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:14:17,629 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:14:17,634 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:14:17,635 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:14:17,635 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:14:17,642 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:14:17,643 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:14:17,643 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:14:17,645 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 18:14:17,815 INFO L204 MainTranslator]: Completed translation [2025-03-08 18:14:17,816 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:14:17 WrapperNode [2025-03-08 18:14:17,816 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 18:14:17,817 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 18:14:17,817 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 18:14:17,817 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 18:14:17,822 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:14:17" (1/1) ... [2025-03-08 18:14:17,871 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:14:17" (1/1) ... [2025-03-08 18:14:17,933 INFO L138 Inliner]: procedures = 686, calls = 1933, calls flagged for inlining = 59, calls inlined = 15, statements flattened = 1082 [2025-03-08 18:14:17,934 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 18:14:17,935 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 18:14:17,935 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 18:14:17,935 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 18:14:17,946 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:14:17" (1/1) ... [2025-03-08 18:14:17,946 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:14:17" (1/1) ... [2025-03-08 18:14:17,957 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:14:17" (1/1) ... [2025-03-08 18:14:18,024 INFO L175 MemorySlicer]: Split 396 memory accesses to 6 slices as follows [2, 97, 13, 264, 17, 3]. 67 percent of accesses are in the largest equivalence class. The 30 initializations are split as follows [2, 0, 11, 12, 4, 1]. The 262 writes are split as follows [0, 18, 0, 240, 3, 1]. [2025-03-08 18:14:18,025 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:14:17" (1/1) ... [2025-03-08 18:14:18,025 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:14:17" (1/1) ... [2025-03-08 18:14:18,065 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:14:17" (1/1) ... [2025-03-08 18:14:18,069 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:14:17" (1/1) ... [2025-03-08 18:14:18,076 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:14:17" (1/1) ... [2025-03-08 18:14:18,087 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:14:17" (1/1) ... [2025-03-08 18:14:18,108 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 18:14:18,109 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 18:14:18,109 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 18:14:18,109 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 18:14:18,110 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:14:17" (1/1) ... [2025-03-08 18:14:18,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 18:14:18,126 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:14:18,140 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-08 18:14:18,143 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-08 18:14:18,165 INFO L130 BoogieDeclarations]: Found specification of procedure s_swap [2025-03-08 18:14:18,165 INFO L138 BoogieDeclarations]: Found implementation of procedure s_swap [2025-03-08 18:14:18,166 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2025-03-08 18:14:18,166 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2025-03-08 18:14:18,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-08 18:14:18,167 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2025-03-08 18:14:18,167 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2025-03-08 18:14:18,167 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2025-03-08 18:14:18,167 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2025-03-08 18:14:18,167 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-08 18:14:18,167 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-08 18:14:18,167 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_up [2025-03-08 18:14:18,167 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_up [2025-03-08 18:14:18,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-08 18:14:18,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-08 18:14:18,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-08 18:14:18,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-08 18:14:18,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-08 18:14:18,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-08 18:14:18,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-08 18:14:18,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-08 18:14:18,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-08 18:14:18,169 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-08 18:14:18,169 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-08 18:14:18,169 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-08 18:14:18,169 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-03-08 18:14:18,169 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-03-08 18:14:18,169 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-08 18:14:18,169 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-08 18:14:18,169 INFO L130 BoogieDeclarations]: Found specification of procedure s_remove_node [2025-03-08 18:14:18,169 INFO L138 BoogieDeclarations]: Found implementation of procedure s_remove_node [2025-03-08 18:14:18,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-08 18:14:18,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 18:14:18,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-08 18:14:18,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-08 18:14:18,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-08 18:14:18,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-08 18:14:18,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-08 18:14:18,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-08 18:14:18,170 INFO L130 BoogieDeclarations]: Found specification of procedure my_abort [2025-03-08 18:14:18,170 INFO L138 BoogieDeclarations]: Found implementation of procedure my_abort [2025-03-08 18:14:18,170 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2025-03-08 18:14:18,170 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2025-03-08 18:14:18,170 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 18:14:18,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 18:14:18,170 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-08 18:14:18,170 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-08 18:14:18,170 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2025-03-08 18:14:18,170 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2025-03-08 18:14:18,170 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-03-08 18:14:18,170 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-03-08 18:14:18,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-08 18:14:18,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-08 18:14:18,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-08 18:14:18,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-08 18:14:18,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-08 18:14:18,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-08 18:14:18,170 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2025-03-08 18:14:18,170 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2025-03-08 18:14:18,170 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2025-03-08 18:14:18,170 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2025-03-08 18:14:18,170 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2025-03-08 18:14:18,170 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2025-03-08 18:14:18,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-03-08 18:14:18,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-03-08 18:14:18,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-03-08 18:14:18,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-03-08 18:14:18,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-03-08 18:14:18,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2025-03-08 18:14:18,170 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-03-08 18:14:18,170 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-03-08 18:14:18,170 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-03-08 18:14:18,170 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-03-08 18:14:18,170 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-03-08 18:14:18,170 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2025-03-08 18:14:18,170 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-08 18:14:18,170 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-08 18:14:18,170 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2025-03-08 18:14:18,170 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2025-03-08 18:14:18,170 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_pop_back [2025-03-08 18:14:18,170 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_pop_back [2025-03-08 18:14:18,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-08 18:14:18,170 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-08 18:14:18,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-08 18:14:18,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-08 18:14:18,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-08 18:14:18,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-08 18:14:18,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-08 18:14:18,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-08 18:14:18,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-08 18:14:18,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-08 18:14:18,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-08 18:14:18,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-08 18:14:18,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-08 18:14:18,171 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2025-03-08 18:14:18,171 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2025-03-08 18:14:18,171 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-08 18:14:18,171 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-08 18:14:18,171 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-03-08 18:14:18,171 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-03-08 18:14:18,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-08 18:14:18,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-08 18:14:18,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-08 18:14:18,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-08 18:14:18,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-08 18:14:18,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-08 18:14:18,172 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2025-03-08 18:14:18,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2025-03-08 18:14:18,172 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2025-03-08 18:14:18,172 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2025-03-08 18:14:18,172 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-03-08 18:14:18,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-03-08 18:14:18,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 18:14:18,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-08 18:14:18,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-08 18:14:18,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-08 18:14:18,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-08 18:14:18,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-08 18:14:18,173 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at [2025-03-08 18:14:18,173 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at [2025-03-08 18:14:18,525 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 18:14:18,528 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 18:14:18,560 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6923: havoc #t~malloc583.base, #t~malloc583.offset; [2025-03-08 18:14:18,567 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc #t~nondet6; [2025-03-08 18:14:18,598 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2590: havoc #t~ret57#1; [2025-03-08 18:14:18,652 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6937: havoc #t~ret587;havoc #t~ite589.base, #t~ite589.offset;havoc #t~ret588.base, #t~ret588.offset; [2025-03-08 18:14:18,728 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8240: havoc aws_priority_queue_backpointers_valid_#t~ret874#1;havoc aws_priority_queue_backpointers_valid_#t~short875#1; [2025-03-08 18:14:18,809 INFO L1307 $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; [2025-03-08 18:14:18,812 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-08 18:14:18,884 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8154: havoc ~node~1.base, ~node~1.offset; [2025-03-08 18:14:18,993 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8350: call ULTIMATE.dealloc(~#backpointer~0#1.base, ~#backpointer~0#1.offset);havoc ~#backpointer~0#1.base, ~#backpointer~0#1.offset; [2025-03-08 18:14:19,026 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L262: havoc nondet_int_#t~nondet5#1; [2025-03-08 18:14:19,026 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7252: havoc nondet_compare_#t~ret668#1; [2025-03-08 18:14:19,049 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3203: havoc #t~ret243; [2025-03-08 18:14:19,055 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7360: havoc #t~ret681.base, #t~ret681.offset; [2025-03-08 18:14:19,093 INFO L1307 $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; [2025-03-08 18:14:19,192 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3188: havoc #t~ret236; [2025-03-08 18:14:24,978 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8385-2: havoc aws_priority_queue_remove_#t~ret928#1; [2025-03-08 18:14:24,979 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8387-2: havoc aws_priority_queue_remove_#t~ret930#1; [2025-03-08 18:14:25,236 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3121: havoc #t~ret187; [2025-03-08 18:14:25,237 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3108: havoc ~last_item_offset~1; [2025-03-08 18:14:25,348 INFO L? ?]: Removed 265 outVars from TransFormulas that were not future-live. [2025-03-08 18:14:25,348 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 18:14:25,372 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 18:14:25,379 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 18:14:25,380 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 06:14:25 BoogieIcfgContainer [2025-03-08 18:14:25,380 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 18:14:25,382 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 18:14:25,383 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 18:14:25,386 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 18:14:25,387 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 06:14:16" (1/3) ... [2025-03-08 18:14:25,387 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24699b75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 06:14:25, skipping insertion in model container [2025-03-08 18:14:25,387 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:14:17" (2/3) ... [2025-03-08 18:14:25,388 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24699b75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 06:14:25, skipping insertion in model container [2025-03-08 18:14:25,388 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 06:14:25" (3/3) ... [2025-03-08 18:14:25,389 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_remove_harness_negated.i [2025-03-08 18:14:25,400 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 18:14:25,401 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_priority_queue_remove_harness_negated.i that has 34 procedures, 485 locations, 1 initial locations, 12 loop locations, and 2 error locations. [2025-03-08 18:14:25,465 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 18:14:25,475 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;@78eb99bb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 18:14:25,477 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-03-08 18:14:25,484 INFO L276 IsEmpty]: Start isEmpty. Operand has 465 states, 268 states have (on average 1.242537313432836) internal successors, (333), 273 states have internal predecessors, (333), 166 states have call successors, (166), 28 states have call predecessors, (166), 28 states have return successors, (166), 166 states have call predecessors, (166), 166 states have call successors, (166) [2025-03-08 18:14:25,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2025-03-08 18:14:25,498 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:14:25,499 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 6, 6, 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] [2025-03-08 18:14:25,500 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:14:25,504 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:14:25,505 INFO L85 PathProgramCache]: Analyzing trace with hash -518638816, now seen corresponding path program 1 times [2025-03-08 18:14:25,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:14:25,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426899361] [2025-03-08 18:14:25,512 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:14:25,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:14:29,840 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 171 statements into 1 equivalence classes. [2025-03-08 18:14:30,264 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 171 of 171 statements. [2025-03-08 18:14:30,265 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:14:30,265 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:14:30,682 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2025-03-08 18:14:30,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 18:14:30,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426899361] [2025-03-08 18:14:30,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [426899361] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 18:14:30,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1909577080] [2025-03-08 18:14:30,685 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:14:30,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 18:14:30,686 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:14:30,688 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-08 18:14:30,689 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-08 18:14:34,856 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 171 statements into 1 equivalence classes. [2025-03-08 18:14:35,324 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 171 of 171 statements. [2025-03-08 18:14:35,325 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:14:35,325 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:14:35,344 INFO L256 TraceCheckSpWp]: Trace formula consists of 4523 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-08 18:14:35,358 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 18:14:35,376 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2025-03-08 18:14:35,379 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 18:14:35,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1909577080] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 18:14:35,380 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 18:14:35,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-08 18:14:35,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295465890] [2025-03-08 18:14:35,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 18:14:35,386 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-08 18:14:35,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 18:14:35,397 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-08 18:14:35,398 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 18:14:35,401 INFO L87 Difference]: Start difference. First operand has 465 states, 268 states have (on average 1.242537313432836) internal successors, (333), 273 states have internal predecessors, (333), 166 states have call successors, (166), 28 states have call predecessors, (166), 28 states have return successors, (166), 166 states have call predecessors, (166), 166 states have call successors, (166) 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, (26), 2 states have call predecessors, (26), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2025-03-08 18:14:35,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 18:14:35,466 INFO L93 Difference]: Finished difference Result 902 states and 1401 transitions. [2025-03-08 18:14:35,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-08 18:14:35,467 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, (26), 2 states have call predecessors, (26), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 171 [2025-03-08 18:14:35,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 18:14:35,475 INFO L225 Difference]: With dead ends: 902 [2025-03-08 18:14:35,475 INFO L226 Difference]: Without dead ends: 458 [2025-03-08 18:14:35,484 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 18:14:35,486 INFO L435 NwaCegarLoop]: 656 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, 656 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 [2025-03-08 18:14:35,486 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 656 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 18:14:35,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458 states. [2025-03-08 18:14:35,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458 to 458. [2025-03-08 18:14:35,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 458 states, 263 states have (on average 1.220532319391635) internal successors, (321), 266 states have internal predecessors, (321), 166 states have call successors, (166), 28 states have call predecessors, (166), 27 states have return successors, (164), 164 states have call predecessors, (164), 164 states have call successors, (164) [2025-03-08 18:14:35,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 651 transitions. [2025-03-08 18:14:35,564 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 651 transitions. Word has length 171 [2025-03-08 18:14:35,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 18:14:35,565 INFO L471 AbstractCegarLoop]: Abstraction has 458 states and 651 transitions. [2025-03-08 18:14:35,565 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, (26), 2 states have call predecessors, (26), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2025-03-08 18:14:35,567 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 651 transitions. [2025-03-08 18:14:35,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2025-03-08 18:14:35,574 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:14:35,575 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 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] [2025-03-08 18:14:35,591 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-03-08 18:14:35,776 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-03-08 18:14:35,776 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:14:35,777 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:14:35,777 INFO L85 PathProgramCache]: Analyzing trace with hash 2097939009, now seen corresponding path program 1 times [2025-03-08 18:14:35,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:14:35,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588564134] [2025-03-08 18:14:35,777 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:14:35,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:14:39,497 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 186 statements into 1 equivalence classes. [2025-03-08 18:14:39,637 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 186 of 186 statements. [2025-03-08 18:14:39,638 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:14:39,638 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:14:40,785 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2025-03-08 18:14:40,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 18:14:40,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588564134] [2025-03-08 18:14:40,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1588564134] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 18:14:40,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [404840282] [2025-03-08 18:14:40,786 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:14:40,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 18:14:40,786 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:14:40,790 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-08 18:14:40,791 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-08 18:14:45,178 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 186 statements into 1 equivalence classes. [2025-03-08 18:14:45,626 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 186 of 186 statements. [2025-03-08 18:14:45,627 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:14:45,627 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:14:45,650 INFO L256 TraceCheckSpWp]: Trace formula consists of 4603 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-08 18:14:45,656 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 18:14:46,698 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2025-03-08 18:14:46,699 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 18:14:46,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [404840282] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 18:14:46,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 18:14:46,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2025-03-08 18:14:46,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989304902] [2025-03-08 18:14:46,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 18:14:46,700 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-08 18:14:46,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 18:14:46,701 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-08 18:14:46,701 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2025-03-08 18:14:46,701 INFO L87 Difference]: Start difference. First operand 458 states and 651 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2025-03-08 18:14:50,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 18:14:50,062 INFO L93 Difference]: Finished difference Result 867 states and 1251 transitions. [2025-03-08 18:14:50,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-08 18:14:50,063 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 186 [2025-03-08 18:14:50,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 18:14:50,068 INFO L225 Difference]: With dead ends: 867 [2025-03-08 18:14:50,068 INFO L226 Difference]: Without dead ends: 460 [2025-03-08 18:14:50,071 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2025-03-08 18:14:50,071 INFO L435 NwaCegarLoop]: 578 mSDtfsCounter, 659 mSDsluCounter, 1667 mSDsCounter, 0 mSdLazyCounter, 269 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 670 SdHoareTripleChecker+Valid, 2245 SdHoareTripleChecker+Invalid, 330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2025-03-08 18:14:50,071 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [670 Valid, 2245 Invalid, 330 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 269 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2025-03-08 18:14:50,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2025-03-08 18:14:50,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 460. [2025-03-08 18:14:50,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 460 states, 264 states have (on average 1.2196969696969697) internal successors, (322), 268 states have internal predecessors, (322), 166 states have call successors, (166), 28 states have call predecessors, (166), 28 states have return successors, (177), 164 states have call predecessors, (177), 164 states have call successors, (177) [2025-03-08 18:14:50,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 665 transitions. [2025-03-08 18:14:50,112 INFO L78 Accepts]: Start accepts. Automaton has 460 states and 665 transitions. Word has length 186 [2025-03-08 18:14:50,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 18:14:50,113 INFO L471 AbstractCegarLoop]: Abstraction has 460 states and 665 transitions. [2025-03-08 18:14:50,113 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2025-03-08 18:14:50,114 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 665 transitions. [2025-03-08 18:14:50,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2025-03-08 18:14:50,118 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:14:50,118 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 18:14:50,135 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-08 18:14:50,318 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2025-03-08 18:14:50,319 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:14:50,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:14:50,319 INFO L85 PathProgramCache]: Analyzing trace with hash -871997525, now seen corresponding path program 1 times [2025-03-08 18:14:50,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:14:50,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939449418] [2025-03-08 18:14:50,320 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:14:50,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:14:54,119 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 194 statements into 1 equivalence classes. [2025-03-08 18:14:54,233 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 194 of 194 statements. [2025-03-08 18:14:54,234 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:14:54,234 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:14:55,594 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 296 trivial. 0 not checked. [2025-03-08 18:14:55,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 18:14:55,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939449418] [2025-03-08 18:14:55,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1939449418] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 18:14:55,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [62738659] [2025-03-08 18:14:55,595 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:14:55,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 18:14:55,595 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:14:55,598 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-08 18:14:55,600 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-08 18:15:00,112 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 194 statements into 1 equivalence classes. [2025-03-08 18:15:00,533 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 194 of 194 statements. [2025-03-08 18:15:00,533 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:15:00,533 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:15:00,557 INFO L256 TraceCheckSpWp]: Trace formula consists of 4653 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-08 18:15:00,563 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 18:15:02,279 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2025-03-08 18:15:02,280 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 18:15:02,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [62738659] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 18:15:02,281 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 18:15:02,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [7] total 13 [2025-03-08 18:15:02,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515587780] [2025-03-08 18:15:02,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 18:15:02,282 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-08 18:15:02,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 18:15:02,282 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-08 18:15:02,282 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2025-03-08 18:15:02,282 INFO L87 Difference]: Start difference. First operand 460 states and 665 transitions. Second operand has 8 states, 8 states have (on average 9.0) internal successors, (72), 8 states have internal predecessors, (72), 4 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (29), 4 states have call predecessors, (29), 4 states have call successors, (29) [2025-03-08 18:15:08,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 18:15:08,940 INFO L93 Difference]: Finished difference Result 890 states and 1322 transitions. [2025-03-08 18:15:08,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-08 18:15:08,941 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.0) internal successors, (72), 8 states have internal predecessors, (72), 4 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (29), 4 states have call predecessors, (29), 4 states have call successors, (29) Word has length 194 [2025-03-08 18:15:08,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 18:15:08,946 INFO L225 Difference]: With dead ends: 890 [2025-03-08 18:15:08,947 INFO L226 Difference]: Without dead ends: 481 [2025-03-08 18:15:08,949 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=56, Invalid=286, Unknown=0, NotChecked=0, Total=342 [2025-03-08 18:15:08,949 INFO L435 NwaCegarLoop]: 574 mSDtfsCounter, 690 mSDsluCounter, 2747 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 716 SdHoareTripleChecker+Valid, 3321 SdHoareTripleChecker+Invalid, 653 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2025-03-08 18:15:08,949 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [716 Valid, 3321 Invalid, 653 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 583 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time] [2025-03-08 18:15:08,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2025-03-08 18:15:08,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 479. [2025-03-08 18:15:08,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 479 states, 280 states have (on average 1.2285714285714286) internal successors, (344), 284 states have internal predecessors, (344), 168 states have call successors, (168), 28 states have call predecessors, (168), 29 states have return successors, (196), 167 states have call predecessors, (196), 166 states have call successors, (196) [2025-03-08 18:15:08,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 708 transitions. [2025-03-08 18:15:08,981 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 708 transitions. Word has length 194 [2025-03-08 18:15:08,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 18:15:08,982 INFO L471 AbstractCegarLoop]: Abstraction has 479 states and 708 transitions. [2025-03-08 18:15:08,983 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.0) internal successors, (72), 8 states have internal predecessors, (72), 4 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (29), 4 states have call predecessors, (29), 4 states have call successors, (29) [2025-03-08 18:15:08,983 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 708 transitions. [2025-03-08 18:15:08,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2025-03-08 18:15:08,985 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:15:08,985 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 18:15:09,002 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-03-08 18:15:09,186 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 18:15:09,186 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:15:09,186 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:15:09,186 INFO L85 PathProgramCache]: Analyzing trace with hash 1870811310, now seen corresponding path program 1 times [2025-03-08 18:15:09,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:15:09,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281999471] [2025-03-08 18:15:09,186 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:15:09,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:15:12,747 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 209 statements into 1 equivalence classes. [2025-03-08 18:15:12,897 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 209 of 209 statements. [2025-03-08 18:15:12,898 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:15:12,898 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:15:14,330 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 302 trivial. 0 not checked. [2025-03-08 18:15:14,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 18:15:14,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281999471] [2025-03-08 18:15:14,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1281999471] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 18:15:14,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1986508540] [2025-03-08 18:15:14,331 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:15:14,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 18:15:14,331 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:15:14,334 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-08 18:15:14,335 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-08 18:15:18,656 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 209 statements into 1 equivalence classes. [2025-03-08 18:15:19,111 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 209 of 209 statements. [2025-03-08 18:15:19,111 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:15:19,111 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:15:19,133 INFO L256 TraceCheckSpWp]: Trace formula consists of 4780 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-08 18:15:19,140 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 18:15:20,492 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2025-03-08 18:15:20,492 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 18:15:20,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1986508540] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 18:15:20,492 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 18:15:20,492 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2025-03-08 18:15:20,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450771111] [2025-03-08 18:15:20,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 18:15:20,493 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-08 18:15:20,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 18:15:20,493 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-08 18:15:20,493 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2025-03-08 18:15:20,493 INFO L87 Difference]: Start difference. First operand 479 states and 708 transitions. Second operand has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 7 states have internal predecessors, (83), 4 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2025-03-08 18:15:25,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 18:15:25,195 INFO L93 Difference]: Finished difference Result 913 states and 1381 transitions. [2025-03-08 18:15:25,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-08 18:15:25,196 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 7 states have internal predecessors, (83), 4 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) Word has length 209 [2025-03-08 18:15:25,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 18:15:25,201 INFO L225 Difference]: With dead ends: 913 [2025-03-08 18:15:25,201 INFO L226 Difference]: Without dead ends: 485 [2025-03-08 18:15:25,203 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2025-03-08 18:15:25,204 INFO L435 NwaCegarLoop]: 570 mSDtfsCounter, 675 mSDsluCounter, 2182 mSDsCounter, 0 mSdLazyCounter, 395 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 686 SdHoareTripleChecker+Valid, 2752 SdHoareTripleChecker+Invalid, 460 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 395 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2025-03-08 18:15:25,204 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [686 Valid, 2752 Invalid, 460 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 395 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2025-03-08 18:15:25,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2025-03-08 18:15:25,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 479. [2025-03-08 18:15:25,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 479 states, 280 states have (on average 1.2285714285714286) internal successors, (344), 284 states have internal predecessors, (344), 168 states have call successors, (168), 28 states have call predecessors, (168), 29 states have return successors, (196), 167 states have call predecessors, (196), 166 states have call successors, (196) [2025-03-08 18:15:25,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 708 transitions. [2025-03-08 18:15:25,230 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 708 transitions. Word has length 209 [2025-03-08 18:15:25,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 18:15:25,230 INFO L471 AbstractCegarLoop]: Abstraction has 479 states and 708 transitions. [2025-03-08 18:15:25,230 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 7 states have internal predecessors, (83), 4 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2025-03-08 18:15:25,230 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 708 transitions. [2025-03-08 18:15:25,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2025-03-08 18:15:25,233 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:15:25,234 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 18:15:25,255 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-03-08 18:15:25,434 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 18:15:25,435 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:15:25,435 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:15:25,435 INFO L85 PathProgramCache]: Analyzing trace with hash -1595387178, now seen corresponding path program 1 times [2025-03-08 18:15:25,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:15:25,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501063448] [2025-03-08 18:15:25,436 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:15:25,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:15:28,971 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 225 statements into 1 equivalence classes. [2025-03-08 18:15:29,058 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 225 of 225 statements. [2025-03-08 18:15:29,058 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:15:29,058 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:15:30,342 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 305 trivial. 0 not checked. [2025-03-08 18:15:30,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 18:15:30,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501063448] [2025-03-08 18:15:30,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1501063448] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 18:15:30,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [648832083] [2025-03-08 18:15:30,343 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:15:30,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 18:15:30,343 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:15:30,345 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-08 18:15:30,346 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-03-08 18:15:34,700 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 225 statements into 1 equivalence classes. [2025-03-08 18:15:35,121 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 225 of 225 statements. [2025-03-08 18:15:35,121 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:15:35,121 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:15:35,141 INFO L256 TraceCheckSpWp]: Trace formula consists of 4852 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-08 18:15:35,148 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 18:15:37,283 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2025-03-08 18:15:37,283 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 18:15:37,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [648832083] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 18:15:37,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 18:15:37,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [8] total 15 [2025-03-08 18:15:37,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164555822] [2025-03-08 18:15:37,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 18:15:37,284 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-08 18:15:37,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 18:15:37,285 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-08 18:15:37,285 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2025-03-08 18:15:37,285 INFO L87 Difference]: Start difference. First operand 479 states and 708 transitions. Second operand has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 9 states have internal predecessors, (97), 5 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (32), 5 states have call predecessors, (32), 5 states have call successors, (32) [2025-03-08 18:15:45,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 18:15:45,975 INFO L93 Difference]: Finished difference Result 924 states and 1386 transitions. [2025-03-08 18:15:45,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-08 18:15:45,976 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 9 states have internal predecessors, (97), 5 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (32), 5 states have call predecessors, (32), 5 states have call successors, (32) Word has length 225 [2025-03-08 18:15:45,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 18:15:45,980 INFO L225 Difference]: With dead ends: 924 [2025-03-08 18:15:45,980 INFO L226 Difference]: Without dead ends: 496 [2025-03-08 18:15:45,983 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 221 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=72, Invalid=434, Unknown=0, NotChecked=0, Total=506 [2025-03-08 18:15:45,983 INFO L435 NwaCegarLoop]: 549 mSDtfsCounter, 732 mSDsluCounter, 3157 mSDsCounter, 0 mSdLazyCounter, 732 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 757 SdHoareTripleChecker+Valid, 3706 SdHoareTripleChecker+Invalid, 812 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 732 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2025-03-08 18:15:45,983 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [757 Valid, 3706 Invalid, 812 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 732 Invalid, 0 Unknown, 0 Unchecked, 7.3s Time] [2025-03-08 18:15:45,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 496 states. [2025-03-08 18:15:46,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 496 to 479. [2025-03-08 18:15:46,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 479 states, 280 states have (on average 1.2285714285714286) internal successors, (344), 284 states have internal predecessors, (344), 168 states have call successors, (168), 28 states have call predecessors, (168), 29 states have return successors, (196), 167 states have call predecessors, (196), 166 states have call successors, (196) [2025-03-08 18:15:46,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 708 transitions. [2025-03-08 18:15:46,009 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 708 transitions. Word has length 225 [2025-03-08 18:15:46,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 18:15:46,010 INFO L471 AbstractCegarLoop]: Abstraction has 479 states and 708 transitions. [2025-03-08 18:15:46,010 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 9 states have internal predecessors, (97), 5 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (32), 5 states have call predecessors, (32), 5 states have call successors, (32) [2025-03-08 18:15:46,010 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 708 transitions. [2025-03-08 18:15:46,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2025-03-08 18:15:46,012 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:15:46,012 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 18:15:46,034 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0