./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_up_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8fc3dc66 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_s_sift_up_harness.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 9f01133064e8d36e68b9f85134d72a09d965175ad33f2003b7d0ebb14c50d01e --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 07:22:35,147 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 07:22:35,215 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-17 07:22:35,221 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 07:22:35,222 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 07:22:35,246 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 07:22:35,248 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 07:22:35,248 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 07:22:35,249 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 07:22:35,249 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 07:22:35,249 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 07:22:35,250 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 07:22:35,250 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 07:22:35,250 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 07:22:35,250 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 07:22:35,251 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 07:22:35,251 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 07:22:35,251 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 07:22:35,251 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 07:22:35,251 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 07:22:35,251 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 07:22:35,251 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 07:22:35,251 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 07:22:35,251 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 07:22:35,251 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 07:22:35,251 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 07:22:35,251 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 07:22:35,251 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 07:22:35,251 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 07:22:35,251 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 07:22:35,251 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 07:22:35,251 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 07:22:35,251 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 07:22:35,251 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 07:22:35,251 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 07:22:35,251 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 07:22:35,251 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 07:22:35,252 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 07:22:35,252 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 07:22:35,252 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 07:22:35,252 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 -> 9f01133064e8d36e68b9f85134d72a09d965175ad33f2003b7d0ebb14c50d01e [2025-03-17 07:22:35,492 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 07:22:35,499 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 07:22:35,501 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 07:22:35,502 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 07:22:35,502 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 07:22:35,504 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_up_harness.i [2025-03-17 07:22:36,667 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4d8788a8/daaf867422e7456eab574c0ba1b98c31/FLAGcb3d1a356 [2025-03-17 07:22:37,094 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 07:22:37,095 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_up_harness.i [2025-03-17 07:22:37,125 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4d8788a8/daaf867422e7456eab574c0ba1b98c31/FLAGcb3d1a356 [2025-03-17 07:22:37,235 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4d8788a8/daaf867422e7456eab574c0ba1b98c31 [2025-03-17 07:22:37,241 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 07:22:37,242 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 07:22:37,243 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 07:22:37,243 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 07:22:37,248 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 07:22:37,249 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:22:37" (1/1) ... [2025-03-17 07:22:37,249 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@474b80d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:22:37, skipping insertion in model container [2025-03-17 07:22:37,251 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:22:37" (1/1) ... [2025-03-17 07:22:37,312 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 07:22:37,549 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_s_sift_up_harness.i[4502,4515] [2025-03-17 07:22:37,557 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_s_sift_up_harness.i[4562,4575] [2025-03-17 07:22:38,027 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:38,028 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:38,028 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:38,029 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:38,029 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:38,038 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:38,039 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:38,040 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:38,040 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:38,041 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:38,043 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:38,043 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:38,043 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:38,373 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:38,373 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:38,379 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:38,383 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:38,448 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:38,449 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:38,450 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:38,450 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:38,451 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:38,451 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:38,451 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:38,452 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:38,452 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:38,452 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:38,452 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:38,452 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:38,452 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:38,457 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:38,457 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:38,457 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:38,458 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:38,460 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:38,460 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:38,464 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:38,465 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:38,465 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:38,481 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 07:22:38,507 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 07:22:38,516 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_s_sift_up_harness.i[4502,4515] [2025-03-17 07:22:38,520 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_s_sift_up_harness.i[4562,4575] [2025-03-17 07:22:38,554 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:38,555 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:38,555 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:38,555 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:38,556 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:38,595 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:38,596 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:38,596 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:38,596 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:38,597 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:38,597 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:38,597 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:38,597 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:38,659 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:38,662 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:38,663 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:38,666 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:38,671 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7776-7787] [2025-03-17 07:22:38,693 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:38,694 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:38,694 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:38,694 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:38,694 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:38,694 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:38,694 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:38,695 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:38,695 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:38,695 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:38,695 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:38,695 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:38,695 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:38,695 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:38,696 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:38,696 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:38,696 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:38,697 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:38,697 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:38,703 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:38,703 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:38,705 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:22:38,712 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 07:22:38,865 INFO L204 MainTranslator]: Completed translation [2025-03-17 07:22:38,865 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:22:38 WrapperNode [2025-03-17 07:22:38,865 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 07:22:38,866 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 07:22:38,866 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 07:22:38,866 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 07:22:38,870 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:22:38" (1/1) ... [2025-03-17 07:22:38,917 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:22:38" (1/1) ... [2025-03-17 07:22:38,974 INFO L138 Inliner]: procedures = 686, calls = 1900, calls flagged for inlining = 60, calls inlined = 14, statements flattened = 845 [2025-03-17 07:22:38,975 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 07:22:38,975 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 07:22:38,975 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 07:22:38,976 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 07:22:38,988 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:22:38" (1/1) ... [2025-03-17 07:22:38,988 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:22:38" (1/1) ... [2025-03-17 07:22:38,995 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:22:38" (1/1) ... [2025-03-17 07:22:39,053 INFO L175 MemorySlicer]: Split 333 memory accesses to 6 slices as follows [18, 238, 2, 65, 3, 7]. 71 percent of accesses are in the largest equivalence class. The 16 initializations are split as follows [5, 6, 2, 0, 1, 2]. The 257 writes are split as follows [6, 232, 0, 17, 1, 1]. [2025-03-17 07:22:39,056 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:22:38" (1/1) ... [2025-03-17 07:22:39,056 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:22:38" (1/1) ... [2025-03-17 07:22:39,116 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:22:38" (1/1) ... [2025-03-17 07:22:39,119 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:22:38" (1/1) ... [2025-03-17 07:22:39,124 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:22:38" (1/1) ... [2025-03-17 07:22:39,130 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:22:38" (1/1) ... [2025-03-17 07:22:39,141 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 07:22:39,142 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 07:22:39,142 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 07:22:39,142 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 07:22:39,142 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:22:38" (1/1) ... [2025-03-17 07:22:39,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 07:22:39,156 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:22:39,170 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) [2025-03-17 07:22:39,173 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 [2025-03-17 07:22:39,196 INFO L130 BoogieDeclarations]: Found specification of procedure s_swap [2025-03-17 07:22:39,197 INFO L138 BoogieDeclarations]: Found implementation of procedure s_swap [2025-03-17 07:22:39,197 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2025-03-17 07:22:39,197 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2025-03-17 07:22:39,197 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-17 07:22:39,197 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2025-03-17 07:22:39,197 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2025-03-17 07:22:39,198 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2025-03-17 07:22:39,198 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2025-03-17 07:22:39,198 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-17 07:22:39,198 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-17 07:22:39,199 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_up [2025-03-17 07:22:39,199 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_up [2025-03-17 07:22:39,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-17 07:22:39,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-17 07:22:39,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-17 07:22:39,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-17 07:22:39,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-17 07:22:39,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-17 07:22:39,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-17 07:22:39,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-17 07:22:39,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-17 07:22:39,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-17 07:22:39,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-17 07:22:39,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-17 07:22:39,201 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-03-17 07:22:39,201 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-03-17 07:22:39,201 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-17 07:22:39,201 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-17 07:22:39,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-17 07:22:39,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 07:22:39,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-17 07:22:39,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-17 07:22:39,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-17 07:22:39,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-17 07:22:39,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-17 07:22:39,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-17 07:22:39,201 INFO L130 BoogieDeclarations]: Found specification of procedure my_abort [2025-03-17 07:22:39,201 INFO L138 BoogieDeclarations]: Found implementation of procedure my_abort [2025-03-17 07:22:39,201 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2025-03-17 07:22:39,201 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2025-03-17 07:22:39,201 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 07:22:39,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 07:22:39,201 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-17 07:22:39,201 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-17 07:22:39,201 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2025-03-17 07:22:39,201 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2025-03-17 07:22:39,201 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-03-17 07:22:39,201 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-03-17 07:22:39,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-17 07:22:39,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-17 07:22:39,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-17 07:22:39,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-17 07:22:39,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-17 07:22:39,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-17 07:22:39,201 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2025-03-17 07:22:39,201 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2025-03-17 07:22:39,202 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2025-03-17 07:22:39,202 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2025-03-17 07:22:39,202 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2025-03-17 07:22:39,202 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2025-03-17 07:22:39,202 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-17 07:22:39,202 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-17 07:22:39,202 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2025-03-17 07:22:39,202 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2025-03-17 07:22:39,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-17 07:22:39,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-17 07:22:39,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-17 07:22:39,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-17 07:22:39,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-17 07:22:39,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-17 07:22:39,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-17 07:22:39,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-17 07:22:39,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-17 07:22:39,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-17 07:22:39,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-17 07:22:39,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-17 07:22:39,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-17 07:22:39,202 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2025-03-17 07:22:39,202 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2025-03-17 07:22:39,202 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-17 07:22:39,202 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-17 07:22:39,202 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-03-17 07:22:39,202 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-03-17 07:22:39,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-17 07:22:39,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-17 07:22:39,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-17 07:22:39,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-17 07:22:39,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-17 07:22:39,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-17 07:22:39,202 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2025-03-17 07:22:39,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2025-03-17 07:22:39,202 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2025-03-17 07:22:39,202 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2025-03-17 07:22:39,202 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-03-17 07:22:39,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-03-17 07:22:39,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 07:22:39,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-17 07:22:39,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-17 07:22:39,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-17 07:22:39,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-17 07:22:39,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-17 07:22:39,480 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 07:22:39,482 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 07:22:39,528 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6935: havoc #t~malloc583.base, #t~malloc583.offset; [2025-03-17 07:22:39,533 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc #t~nondet6; [2025-03-17 07:22:39,563 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L2590: havoc #t~ret57#1; [2025-03-17 07:22:39,602 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L267: havoc nondet_uint8_t_#t~nondet10#1; [2025-03-17 07:22:39,614 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6949: havoc #t~ret587;havoc #t~ite589.base, #t~ite589.offset;havoc #t~ret588.base, #t~ret588.offset; [2025-03-17 07:22:39,673 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L8277: havoc aws_priority_queue_backpointers_valid_#t~ret875#1;havoc aws_priority_queue_backpointers_valid_#t~short876#1; [2025-03-17 07:22:39,743 INFO L1322 $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; [2025-03-17 07:22:39,748 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-17 07:22:39,765 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L8191: havoc ~node~1.base, ~node~1.offset; [2025-03-17 07:22:39,785 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L262: havoc nondet_int_#t~nondet5#1; [2025-03-17 07:22:39,785 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7268: havoc nondet_compare_#t~ret668#1; [2025-03-17 07:22:39,799 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L3203: havoc #t~ret243; [2025-03-17 07:22:39,804 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7397: havoc #t~ret682.base, #t~ret682.offset; [2025-03-17 07:22:39,851 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L8087: 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; [2025-03-17 07:22:45,121 INFO L? ?]: Removed 190 outVars from TransFormulas that were not future-live. [2025-03-17 07:22:45,121 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 07:22:45,131 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 07:22:45,131 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 07:22:45,131 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:22:45 BoogieIcfgContainer [2025-03-17 07:22:45,132 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 07:22:45,133 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 07:22:45,133 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 07:22:45,136 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 07:22:45,136 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 07:22:37" (1/3) ... [2025-03-17 07:22:45,137 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a2cbc0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:22:45, skipping insertion in model container [2025-03-17 07:22:45,137 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:22:38" (2/3) ... [2025-03-17 07:22:45,137 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a2cbc0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:22:45, skipping insertion in model container [2025-03-17 07:22:45,137 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:22:45" (3/3) ... [2025-03-17 07:22:45,138 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_s_sift_up_harness.i [2025-03-17 07:22:45,148 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 07:22:45,150 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_priority_queue_s_sift_up_harness.i that has 25 procedures, 314 locations, 1 initial locations, 5 loop locations, and 2 error locations. [2025-03-17 07:22:45,199 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 07:22:45,209 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;@6578ba7d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 07:22:45,210 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-03-17 07:22:45,213 INFO L276 IsEmpty]: Start isEmpty. Operand has 314 states, 185 states have (on average 1.2324324324324325) internal successors, (228), 188 states have internal predecessors, (228), 102 states have call successors, (102), 24 states have call predecessors, (102), 24 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) [2025-03-17 07:22:45,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2025-03-17 07:22:45,225 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:22:45,226 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 07:22:45,226 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:22:45,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:22:45,231 INFO L85 PathProgramCache]: Analyzing trace with hash 2018089585, now seen corresponding path program 1 times [2025-03-17 07:22:45,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:22:45,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548300819] [2025-03-17 07:22:45,236 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:22:45,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:22:49,691 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 134 statements into 1 equivalence classes. [2025-03-17 07:22:50,088 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 134 of 134 statements. [2025-03-17 07:22:50,089 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:22:50,089 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:22:50,553 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2025-03-17 07:22:50,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:22:50,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548300819] [2025-03-17 07:22:50,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [548300819] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 07:22:50,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1212472142] [2025-03-17 07:22:50,556 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:22:50,556 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:22:50,556 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:22:50,560 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) [2025-03-17 07:22:50,562 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-17 07:22:54,580 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 134 statements into 1 equivalence classes. [2025-03-17 07:22:55,041 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 134 of 134 statements. [2025-03-17 07:22:55,041 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:22:55,042 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:22:55,062 INFO L256 TraceCheckSpWp]: Trace formula consists of 4430 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-17 07:22:55,073 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 07:22:55,090 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2025-03-17 07:22:55,090 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 07:22:55,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1212472142] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 07:22:55,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 07:22:55,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-17 07:22:55,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005968907] [2025-03-17 07:22:55,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 07:22:55,096 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-17 07:22:55,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 07:22:55,112 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-17 07:22:55,113 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 07:22:55,116 INFO L87 Difference]: Start difference. First operand has 314 states, 185 states have (on average 1.2324324324324325) internal successors, (228), 188 states have internal predecessors, (228), 102 states have call successors, (102), 24 states have call predecessors, (102), 24 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) Second operand has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2025-03-17 07:22:55,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 07:22:55,161 INFO L93 Difference]: Finished difference Result 605 states and 894 transitions. [2025-03-17 07:22:55,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-17 07:22:55,163 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 134 [2025-03-17 07:22:55,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 07:22:55,173 INFO L225 Difference]: With dead ends: 605 [2025-03-17 07:22:55,173 INFO L226 Difference]: Without dead ends: 309 [2025-03-17 07:22:55,178 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 07:22:55,180 INFO L435 NwaCegarLoop]: 425 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, 425 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 [2025-03-17 07:22:55,182 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 425 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 07:22:55,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2025-03-17 07:22:55,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 309. [2025-03-17 07:22:55,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 309 states, 182 states have (on average 1.2087912087912087) internal successors, (220), 184 states have internal predecessors, (220), 102 states have call successors, (102), 24 states have call predecessors, (102), 23 states have return successors, (100), 100 states have call predecessors, (100), 100 states have call successors, (100) [2025-03-17 07:22:55,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 422 transitions. [2025-03-17 07:22:55,241 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 422 transitions. Word has length 134 [2025-03-17 07:22:55,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 07:22:55,243 INFO L471 AbstractCegarLoop]: Abstraction has 309 states and 422 transitions. [2025-03-17 07:22:55,243 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2025-03-17 07:22:55,243 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 422 transitions. [2025-03-17 07:22:55,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2025-03-17 07:22:55,249 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:22:55,249 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 07:22:55,264 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-17 07:22:55,450 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 [2025-03-17 07:22:55,450 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:22:55,453 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:22:55,453 INFO L85 PathProgramCache]: Analyzing trace with hash 1049535408, now seen corresponding path program 1 times [2025-03-17 07:22:55,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:22:55,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618319284] [2025-03-17 07:22:55,453 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:22:55,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:22:59,154 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 134 statements into 1 equivalence classes. [2025-03-17 07:22:59,282 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 134 of 134 statements. [2025-03-17 07:22:59,284 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:22:59,284 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:23:00,287 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2025-03-17 07:23:00,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:23:00,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618319284] [2025-03-17 07:23:00,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1618319284] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 07:23:00,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1169059501] [2025-03-17 07:23:00,288 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:23:00,288 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:23:00,288 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:23:00,290 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) [2025-03-17 07:23:00,291 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-17 07:23:04,582 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 134 statements into 1 equivalence classes. [2025-03-17 07:23:04,994 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 134 of 134 statements. [2025-03-17 07:23:04,995 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:23:04,995 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:23:05,017 INFO L256 TraceCheckSpWp]: Trace formula consists of 4430 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-17 07:23:05,025 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 07:23:05,865 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2025-03-17 07:23:05,865 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 07:23:05,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1169059501] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 07:23:05,865 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 07:23:05,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2025-03-17 07:23:05,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001403075] [2025-03-17 07:23:05,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 07:23:05,866 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 07:23:05,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 07:23:05,867 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 07:23:05,867 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-03-17 07:23:05,867 INFO L87 Difference]: Start difference. First operand 309 states and 422 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2025-03-17 07:23:06,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 07:23:06,735 INFO L93 Difference]: Finished difference Result 575 states and 789 transitions. [2025-03-17 07:23:06,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 07:23:06,736 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 134 [2025-03-17 07:23:06,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 07:23:06,742 INFO L225 Difference]: With dead ends: 575 [2025-03-17 07:23:06,745 INFO L226 Difference]: Without dead ends: 311 [2025-03-17 07:23:06,747 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-03-17 07:23:06,748 INFO L435 NwaCegarLoop]: 403 mSDtfsCounter, 22 mSDsluCounter, 1153 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 1556 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-03-17 07:23:06,748 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 1556 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-03-17 07:23:06,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2025-03-17 07:23:06,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 311. [2025-03-17 07:23:06,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 311 states, 183 states have (on average 1.2076502732240437) internal successors, (221), 186 states have internal predecessors, (221), 102 states have call successors, (102), 24 states have call predecessors, (102), 24 states have return successors, (104), 100 states have call predecessors, (104), 100 states have call successors, (104) [2025-03-17 07:23:06,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 311 states and 427 transitions. [2025-03-17 07:23:06,784 INFO L78 Accepts]: Start accepts. Automaton has 311 states and 427 transitions. Word has length 134 [2025-03-17 07:23:06,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 07:23:06,786 INFO L471 AbstractCegarLoop]: Abstraction has 311 states and 427 transitions. [2025-03-17 07:23:06,786 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2025-03-17 07:23:06,786 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 427 transitions. [2025-03-17 07:23:06,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2025-03-17 07:23:06,788 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:23:06,788 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 07:23:06,806 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-03-17 07:23:06,988 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 [2025-03-17 07:23:06,989 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:23:06,989 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:23:06,989 INFO L85 PathProgramCache]: Analyzing trace with hash 1866973054, now seen corresponding path program 1 times [2025-03-17 07:23:06,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:23:06,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666289326] [2025-03-17 07:23:06,990 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:23:06,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:23:10,546 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 142 statements into 1 equivalence classes. [2025-03-17 07:23:10,652 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 142 of 142 statements. [2025-03-17 07:23:10,653 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:23:10,653 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:23:11,965 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2025-03-17 07:23:11,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:23:11,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666289326] [2025-03-17 07:23:11,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1666289326] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 07:23:11,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1887072857] [2025-03-17 07:23:11,965 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:23:11,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:23:11,966 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:23:11,967 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) [2025-03-17 07:23:11,969 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-17 07:23:16,209 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 142 statements into 1 equivalence classes. [2025-03-17 07:23:16,580 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 142 of 142 statements. [2025-03-17 07:23:16,580 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:23:16,580 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:23:16,601 INFO L256 TraceCheckSpWp]: Trace formula consists of 4480 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-17 07:23:16,609 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 07:23:18,051 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2025-03-17 07:23:18,052 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 07:23:18,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1887072857] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 07:23:18,052 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 07:23:18,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2025-03-17 07:23:18,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507109161] [2025-03-17 07:23:18,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 07:23:18,052 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-17 07:23:18,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 07:23:18,053 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-17 07:23:18,053 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2025-03-17 07:23:18,053 INFO L87 Difference]: Start difference. First operand 311 states and 427 transitions. Second operand has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 4 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2025-03-17 07:23:20,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 07:23:20,625 INFO L93 Difference]: Finished difference Result 598 states and 836 transitions. [2025-03-17 07:23:20,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-17 07:23:20,626 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 4 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) Word has length 142 [2025-03-17 07:23:20,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 07:23:20,629 INFO L225 Difference]: With dead ends: 598 [2025-03-17 07:23:20,630 INFO L226 Difference]: Without dead ends: 332 [2025-03-17 07:23:20,631 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2025-03-17 07:23:20,632 INFO L435 NwaCegarLoop]: 388 mSDtfsCounter, 49 mSDsluCounter, 1854 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 2242 SdHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2025-03-17 07:23:20,633 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 2242 Invalid, 233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2025-03-17 07:23:20,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2025-03-17 07:23:20,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 330. [2025-03-17 07:23:20,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 199 states have (on average 1.221105527638191) internal successors, (243), 202 states have internal predecessors, (243), 104 states have call successors, (104), 24 states have call predecessors, (104), 25 states have return successors, (117), 103 states have call predecessors, (117), 102 states have call successors, (117) [2025-03-17 07:23:20,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 464 transitions. [2025-03-17 07:23:20,657 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 464 transitions. Word has length 142 [2025-03-17 07:23:20,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 07:23:20,657 INFO L471 AbstractCegarLoop]: Abstraction has 330 states and 464 transitions. [2025-03-17 07:23:20,658 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 4 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2025-03-17 07:23:20,660 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 464 transitions. [2025-03-17 07:23:20,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2025-03-17 07:23:20,662 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:23:20,662 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 07:23:20,682 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-03-17 07:23:20,863 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 [2025-03-17 07:23:20,863 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:23:20,864 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:23:20,864 INFO L85 PathProgramCache]: Analyzing trace with hash -1811198737, now seen corresponding path program 1 times [2025-03-17 07:23:20,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:23:20,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583831885] [2025-03-17 07:23:20,864 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:23:20,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:23:24,424 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 157 statements into 1 equivalence classes. [2025-03-17 07:23:24,568 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 157 of 157 statements. [2025-03-17 07:23:24,568 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:23:24,568 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:23:25,936 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2025-03-17 07:23:25,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:23:25,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583831885] [2025-03-17 07:23:25,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1583831885] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 07:23:25,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1742807782] [2025-03-17 07:23:25,937 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:23:25,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:23:25,937 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:23:25,939 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) [2025-03-17 07:23:25,940 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-17 07:23:30,100 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 157 statements into 1 equivalence classes. [2025-03-17 07:23:30,482 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 157 of 157 statements. [2025-03-17 07:23:30,483 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:23:30,483 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:23:30,503 INFO L256 TraceCheckSpWp]: Trace formula consists of 4607 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-17 07:23:30,509 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 07:23:31,654 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2025-03-17 07:23:31,654 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 07:23:31,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1742807782] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 07:23:31,654 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 07:23:31,654 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2025-03-17 07:23:31,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553537607] [2025-03-17 07:23:31,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 07:23:31,655 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-17 07:23:31,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 07:23:31,655 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-17 07:23:31,656 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2025-03-17 07:23:31,656 INFO L87 Difference]: Start difference. First operand 330 states and 464 transitions. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 6 states have internal predecessors, (65), 4 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2025-03-17 07:23:33,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 07:23:33,206 INFO L93 Difference]: Finished difference Result 621 states and 880 transitions. [2025-03-17 07:23:33,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 07:23:33,207 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 6 states have internal predecessors, (65), 4 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) Word has length 157 [2025-03-17 07:23:33,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 07:23:33,210 INFO L225 Difference]: With dead ends: 621 [2025-03-17 07:23:33,210 INFO L226 Difference]: Without dead ends: 336 [2025-03-17 07:23:33,212 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2025-03-17 07:23:33,212 INFO L435 NwaCegarLoop]: 397 mSDtfsCounter, 39 mSDsluCounter, 1503 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 1900 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2025-03-17 07:23:33,212 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 1900 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2025-03-17 07:23:33,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2025-03-17 07:23:33,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 330. [2025-03-17 07:23:33,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 199 states have (on average 1.221105527638191) internal successors, (243), 202 states have internal predecessors, (243), 104 states have call successors, (104), 24 states have call predecessors, (104), 25 states have return successors, (117), 103 states have call predecessors, (117), 102 states have call successors, (117) [2025-03-17 07:23:33,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 464 transitions. [2025-03-17 07:23:33,255 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 464 transitions. Word has length 157 [2025-03-17 07:23:33,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 07:23:33,255 INFO L471 AbstractCegarLoop]: Abstraction has 330 states and 464 transitions. [2025-03-17 07:23:33,255 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 6 states have internal predecessors, (65), 4 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2025-03-17 07:23:33,256 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 464 transitions. [2025-03-17 07:23:33,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2025-03-17 07:23:33,260 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:23:33,260 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 3, 3, 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] [2025-03-17 07:23:33,280 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-03-17 07:23:33,460 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 [2025-03-17 07:23:33,461 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:23:33,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:23:33,462 INFO L85 PathProgramCache]: Analyzing trace with hash -1786815409, now seen corresponding path program 1 times [2025-03-17 07:23:33,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:23:33,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146884017] [2025-03-17 07:23:33,462 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:23:33,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:23:36,931 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 173 statements into 1 equivalence classes. [2025-03-17 07:23:37,043 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 173 of 173 statements. [2025-03-17 07:23:37,044 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:23:37,044 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:23:38,748 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2025-03-17 07:23:38,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:23:38,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146884017] [2025-03-17 07:23:38,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146884017] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 07:23:38,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [214664978] [2025-03-17 07:23:38,748 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:23:38,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:23:38,749 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:23:38,750 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) [2025-03-17 07:23:38,752 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-03-17 07:23:42,966 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 173 statements into 1 equivalence classes. [2025-03-17 07:23:43,363 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 173 of 173 statements. [2025-03-17 07:23:43,363 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:23:43,363 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:23:43,384 INFO L256 TraceCheckSpWp]: Trace formula consists of 4679 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-17 07:23:43,390 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 07:23:45,330 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2025-03-17 07:23:45,330 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 07:23:45,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [214664978] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 07:23:45,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 07:23:45,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 14 [2025-03-17 07:23:45,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804831107] [2025-03-17 07:23:45,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 07:23:45,331 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-17 07:23:45,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 07:23:45,332 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-17 07:23:45,332 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2025-03-17 07:23:45,332 INFO L87 Difference]: Start difference. First operand 330 states and 464 transitions. Second operand has 8 states, 8 states have (on average 9.875) internal successors, (79), 8 states have internal predecessors, (79), 5 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (25), 5 states have call predecessors, (25), 5 states have call successors, (25) [2025-03-17 07:23:49,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 07:23:49,073 INFO L93 Difference]: Finished difference Result 632 states and 894 transitions. [2025-03-17 07:23:49,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-17 07:23:49,074 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.875) internal successors, (79), 8 states have internal predecessors, (79), 5 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (25), 5 states have call predecessors, (25), 5 states have call successors, (25) Word has length 173 [2025-03-17 07:23:49,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 07:23:49,080 INFO L225 Difference]: With dead ends: 632 [2025-03-17 07:23:49,080 INFO L226 Difference]: Without dead ends: 347 [2025-03-17 07:23:49,081 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2025-03-17 07:23:49,082 INFO L435 NwaCegarLoop]: 380 mSDtfsCounter, 74 mSDsluCounter, 2172 mSDsCounter, 0 mSdLazyCounter, 322 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 2552 SdHoareTripleChecker+Invalid, 329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 322 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2025-03-17 07:23:49,082 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 2552 Invalid, 329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 322 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2025-03-17 07:23:49,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2025-03-17 07:23:49,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 330. [2025-03-17 07:23:49,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 199 states have (on average 1.221105527638191) internal successors, (243), 202 states have internal predecessors, (243), 104 states have call successors, (104), 24 states have call predecessors, (104), 25 states have return successors, (117), 103 states have call predecessors, (117), 102 states have call successors, (117) [2025-03-17 07:23:49,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 464 transitions. [2025-03-17 07:23:49,099 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 464 transitions. Word has length 173 [2025-03-17 07:23:49,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 07:23:49,099 INFO L471 AbstractCegarLoop]: Abstraction has 330 states and 464 transitions. [2025-03-17 07:23:49,099 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.875) internal successors, (79), 8 states have internal predecessors, (79), 5 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (25), 5 states have call predecessors, (25), 5 states have call successors, (25) [2025-03-17 07:23:49,100 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 464 transitions. [2025-03-17 07:23:49,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2025-03-17 07:23:49,103 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:23:49,103 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2025-03-17 07:23:49,124 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-03-17 07:23:49,304 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:23:49,304 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:23:49,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:23:49,305 INFO L85 PathProgramCache]: Analyzing trace with hash -1276288766, now seen corresponding path program 1 times [2025-03-17 07:23:49,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:23:49,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159855390] [2025-03-17 07:23:49,305 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:23:49,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:23:52,877 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 188 statements into 1 equivalence classes. [2025-03-17 07:23:53,046 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 188 of 188 statements. [2025-03-17 07:23:53,047 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:23:53,047 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:23:54,247 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2025-03-17 07:23:54,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:23:54,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159855390] [2025-03-17 07:23:54,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [159855390] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 07:23:54,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1846753296] [2025-03-17 07:23:54,248 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:23:54,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:23:54,248 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:23:54,250 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 07:23:54,251 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-03-17 07:23:58,732 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 188 statements into 1 equivalence classes. [2025-03-17 07:23:59,138 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 188 of 188 statements. [2025-03-17 07:23:59,138 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:23:59,138 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:23:59,163 INFO L256 TraceCheckSpWp]: Trace formula consists of 4806 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-17 07:23:59,169 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 07:24:00,631 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2025-03-17 07:24:00,632 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 07:24:00,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1846753296] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 07:24:00,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 07:24:00,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2025-03-17 07:24:00,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624912738] [2025-03-17 07:24:00,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 07:24:00,632 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-17 07:24:00,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 07:24:00,633 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-17 07:24:00,633 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2025-03-17 07:24:00,633 INFO L87 Difference]: Start difference. First operand 330 states and 464 transitions. Second operand has 7 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 states have internal predecessors, (77), 4 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (25), 3 states have call predecessors, (25), 4 states have call successors, (25) [2025-03-17 07:24:02,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 07:24:02,010 INFO L93 Difference]: Finished difference Result 583 states and 829 transitions. [2025-03-17 07:24:02,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-17 07:24:02,011 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 states have internal predecessors, (77), 4 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (25), 3 states have call predecessors, (25), 4 states have call successors, (25) Word has length 188 [2025-03-17 07:24:02,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 07:24:02,014 INFO L225 Difference]: With dead ends: 583 [2025-03-17 07:24:02,014 INFO L226 Difference]: Without dead ends: 332 [2025-03-17 07:24:02,016 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2025-03-17 07:24:02,017 INFO L435 NwaCegarLoop]: 401 mSDtfsCounter, 53 mSDsluCounter, 1901 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 2302 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2025-03-17 07:24:02,017 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 2302 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2025-03-17 07:24:02,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2025-03-17 07:24:02,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 332. [2025-03-17 07:24:02,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 332 states, 200 states have (on average 1.22) internal successors, (244), 204 states have internal predecessors, (244), 104 states have call successors, (104), 24 states have call predecessors, (104), 26 states have return successors, (119), 103 states have call predecessors, (119), 102 states have call successors, (119) [2025-03-17 07:24:02,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 467 transitions. [2025-03-17 07:24:02,032 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 467 transitions. Word has length 188 [2025-03-17 07:24:02,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 07:24:02,032 INFO L471 AbstractCegarLoop]: Abstraction has 332 states and 467 transitions. [2025-03-17 07:24:02,032 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 states have internal predecessors, (77), 4 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (25), 3 states have call predecessors, (25), 4 states have call successors, (25) [2025-03-17 07:24:02,032 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 467 transitions. [2025-03-17 07:24:02,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2025-03-17 07:24:02,034 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:24:02,034 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 07:24:02,058 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-03-17 07:24:02,238 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:24:02,238 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:24:02,238 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:24:02,239 INFO L85 PathProgramCache]: Analyzing trace with hash -188285466, now seen corresponding path program 1 times [2025-03-17 07:24:02,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:24:02,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933398332] [2025-03-17 07:24:02,239 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:24:02,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:24:05,765 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 234 statements into 1 equivalence classes. [2025-03-17 07:24:05,881 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 234 of 234 statements. [2025-03-17 07:24:05,881 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:24:05,881 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:24:07,471 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 7 proven. 7 refuted. 0 times theorem prover too weak. 286 trivial. 0 not checked. [2025-03-17 07:24:07,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:24:07,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933398332] [2025-03-17 07:24:07,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1933398332] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 07:24:07,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2143350585] [2025-03-17 07:24:07,471 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:24:07,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:24:07,471 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:24:07,473 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 07:24:07,475 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process