./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 e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_priority_queue_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-?-e2fb8be-m [2025-03-08 18:15:24,407 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 18:15:24,466 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-08 18:15:24,472 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 18:15:24,475 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 18:15:24,495 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 18:15:24,496 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 18:15:24,496 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 18:15:24,496 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 18:15:24,496 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 18:15:24,496 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 18:15:24,497 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 18:15:24,497 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 18:15:24,497 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 18:15:24,497 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 18:15:24,497 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 18:15:24,497 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 18:15:24,497 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 18:15:24,497 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 18:15:24,498 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 18:15:24,498 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 18:15:24,498 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 18:15:24,498 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 18:15:24,498 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 18:15:24,498 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 18:15:24,498 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 18:15:24,498 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 18:15:24,498 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 18:15:24,498 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 18:15:24,498 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 18:15:24,499 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 18:15:24,499 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 18:15:24,499 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 18:15:24,499 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 18:15:24,499 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 18:15:24,499 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 18:15:24,499 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 18:15:24,499 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 18:15:24,499 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 18:15:24,499 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 18:15:24,499 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 [2025-03-08 18:15:24,814 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 18:15:24,821 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 18:15:24,823 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 18:15:24,824 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 18:15:24,824 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 18:15:24,825 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_up_harness.i [2025-03-08 18:15:26,006 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9034824d/ab12748e18ef409d970176f6d643e85a/FLAGcda5c4ddc [2025-03-08 18:15:26,524 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 18:15:26,526 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_up_harness.i [2025-03-08 18:15:26,564 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9034824d/ab12748e18ef409d970176f6d643e85a/FLAGcda5c4ddc [2025-03-08 18:15:26,585 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9034824d/ab12748e18ef409d970176f6d643e85a [2025-03-08 18:15:26,588 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 18:15:26,590 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 18:15:26,592 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 18:15:26,592 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 18:15:26,596 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 18:15:26,597 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 06:15:26" (1/1) ... [2025-03-08 18:15:26,599 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e8a49c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:15:26, skipping insertion in model container [2025-03-08 18:15:26,600 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 06:15:26" (1/1) ... [2025-03-08 18:15:26,662 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 18:15:26,882 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] [2025-03-08 18:15:26,889 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] [2025-03-08 18:15:27,547 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:27,550 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:27,551 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:27,552 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:27,554 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:27,568 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:27,568 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:27,569 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:27,570 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:27,571 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:27,572 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:27,572 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:27,572 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:27,921 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:27,921 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:27,925 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:27,931 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:27,986 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:27,986 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:27,986 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:27,987 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:27,987 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:27,987 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:27,988 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:27,988 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:27,988 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:27,988 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:27,988 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:27,988 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:27,989 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:27,992 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:27,992 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:27,992 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:27,993 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:27,995 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:27,995 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:27,999 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:28,000 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:28,000 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:28,011 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 18:15:28,038 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 18:15:28,049 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] [2025-03-08 18:15:28,053 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] [2025-03-08 18:15:28,093 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:28,094 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:28,094 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:28,095 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:28,095 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:28,129 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:28,130 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:28,130 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:28,130 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:28,133 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:28,133 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:28,133 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:28,133 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:28,177 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:28,177 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:28,178 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:28,180 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:28,184 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7776-7787] [2025-03-08 18:15:28,198 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:28,199 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:28,199 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:28,199 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:28,199 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:28,201 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:28,201 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:28,201 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:28,201 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:28,201 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:28,201 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:28,202 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:28,202 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:28,203 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:28,203 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:28,203 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:28,203 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:28,204 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:28,205 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:28,209 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:28,210 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:28,210 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:15:28,217 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 18:15:28,381 INFO L204 MainTranslator]: Completed translation [2025-03-08 18:15:28,381 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:15:28 WrapperNode [2025-03-08 18:15:28,382 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 18:15:28,382 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 18:15:28,382 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 18:15:28,382 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 18:15:28,387 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:15:28" (1/1) ... [2025-03-08 18:15:28,445 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:15:28" (1/1) ... [2025-03-08 18:15:28,495 INFO L138 Inliner]: procedures = 686, calls = 1900, calls flagged for inlining = 60, calls inlined = 14, statements flattened = 845 [2025-03-08 18:15:28,496 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 18:15:28,496 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 18:15:28,496 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 18:15:28,496 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 18:15:28,502 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:15:28" (1/1) ... [2025-03-08 18:15:28,503 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:15:28" (1/1) ... [2025-03-08 18:15:28,508 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:15:28" (1/1) ... [2025-03-08 18:15:28,577 INFO L175 MemorySlicer]: Split 333 memory accesses to 6 slices as follows [238, 2, 65, 7, 3, 18]. 71 percent of accesses are in the largest equivalence class. The 16 initializations are split as follows [6, 2, 0, 2, 1, 5]. The 257 writes are split as follows [232, 0, 17, 1, 1, 6]. [2025-03-08 18:15:28,577 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:15:28" (1/1) ... [2025-03-08 18:15:28,577 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:15:28" (1/1) ... [2025-03-08 18:15:28,600 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:15:28" (1/1) ... [2025-03-08 18:15:28,602 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:15:28" (1/1) ... [2025-03-08 18:15:28,609 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:15:28" (1/1) ... [2025-03-08 18:15:28,615 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:15:28" (1/1) ... [2025-03-08 18:15:28,621 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 18:15:28,622 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 18:15:28,622 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 18:15:28,622 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 18:15:28,623 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:15:28" (1/1) ... [2025-03-08 18:15:28,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 18:15:28,636 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:15:28,651 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-08 18:15:28,654 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-08 18:15:28,670 INFO L130 BoogieDeclarations]: Found specification of procedure s_swap [2025-03-08 18:15:28,671 INFO L138 BoogieDeclarations]: Found implementation of procedure s_swap [2025-03-08 18:15:28,671 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2025-03-08 18:15:28,671 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2025-03-08 18:15:28,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-08 18:15:28,671 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2025-03-08 18:15:28,671 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2025-03-08 18:15:28,672 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2025-03-08 18:15:28,672 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2025-03-08 18:15:28,672 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-08 18:15:28,672 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-08 18:15:28,672 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_up [2025-03-08 18:15:28,672 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_up [2025-03-08 18:15:28,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-08 18:15:28,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-08 18:15:28,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-08 18:15:28,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-08 18:15:28,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-08 18:15:28,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-08 18:15:28,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-08 18:15:28,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-08 18:15:28,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-08 18:15:28,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-08 18:15:28,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-08 18:15:28,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-08 18:15:28,674 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-03-08 18:15:28,674 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-03-08 18:15:28,674 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-08 18:15:28,674 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-08 18:15:28,674 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-08 18:15:28,674 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 18:15:28,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-08 18:15:28,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-08 18:15:28,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-08 18:15:28,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-08 18:15:28,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-08 18:15:28,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-08 18:15:28,675 INFO L130 BoogieDeclarations]: Found specification of procedure my_abort [2025-03-08 18:15:28,675 INFO L138 BoogieDeclarations]: Found implementation of procedure my_abort [2025-03-08 18:15:28,675 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2025-03-08 18:15:28,675 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2025-03-08 18:15:28,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 18:15:28,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 18:15:28,675 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-08 18:15:28,675 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-08 18:15:28,675 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2025-03-08 18:15:28,676 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2025-03-08 18:15:28,676 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-03-08 18:15:28,676 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-03-08 18:15:28,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-08 18:15:28,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-08 18:15:28,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-08 18:15:28,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-08 18:15:28,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-08 18:15:28,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-08 18:15:28,676 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2025-03-08 18:15:28,676 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2025-03-08 18:15:28,676 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2025-03-08 18:15:28,676 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2025-03-08 18:15:28,676 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2025-03-08 18:15:28,676 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2025-03-08 18:15:28,676 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-08 18:15:28,676 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-08 18:15:28,676 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2025-03-08 18:15:28,676 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2025-03-08 18:15:28,676 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-08 18:15:28,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-08 18:15:28,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-08 18:15:28,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-08 18:15:28,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-08 18:15:28,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-08 18:15:28,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-08 18:15:28,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-08 18:15:28,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-08 18:15:28,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-08 18:15:28,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-08 18:15:28,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-08 18:15:28,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-08 18:15:28,677 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2025-03-08 18:15:28,677 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2025-03-08 18:15:28,677 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-08 18:15:28,677 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-08 18:15:28,677 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-03-08 18:15:28,677 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-03-08 18:15:28,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-08 18:15:28,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-08 18:15:28,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-08 18:15:28,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-08 18:15:28,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-08 18:15:28,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-08 18:15:28,677 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2025-03-08 18:15:28,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2025-03-08 18:15:28,677 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2025-03-08 18:15:28,677 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2025-03-08 18:15:28,677 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-03-08 18:15:28,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-03-08 18:15:28,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 18:15:28,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-08 18:15:28,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-08 18:15:28,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-08 18:15:28,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-08 18:15:28,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-08 18:15:28,929 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 18:15:28,931 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 18:15:28,964 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6935: havoc #t~malloc583.base, #t~malloc583.offset; [2025-03-08 18:15:28,970 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc #t~nondet6; [2025-03-08 18:15:29,003 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2590: havoc #t~ret57#1; [2025-03-08 18:15:29,047 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L267: havoc nondet_uint8_t_#t~nondet10#1; [2025-03-08 18:15:29,054 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6949: havoc #t~ret587;havoc #t~ite589.base, #t~ite589.offset;havoc #t~ret588.base, #t~ret588.offset; [2025-03-08 18:15:29,122 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8277: havoc aws_priority_queue_backpointers_valid_#t~ret875#1;havoc aws_priority_queue_backpointers_valid_#t~short876#1; [2025-03-08 18:15:29,171 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2944: call ULTIMATE.dealloc(~#required_size~0.base, ~#required_size~0.offset);havoc ~#required_size~0.base, ~#required_size~0.offset; [2025-03-08 18:15:29,174 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-08 18:15:29,184 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8191: havoc ~node~1.base, ~node~1.offset; [2025-03-08 18:15:29,228 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L262: havoc nondet_int_#t~nondet5#1; [2025-03-08 18:15:29,228 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7268: havoc nondet_compare_#t~ret668#1; [2025-03-08 18:15:29,248 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3203: havoc #t~ret243; [2025-03-08 18:15:29,253 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7397: havoc #t~ret682.base, #t~ret682.offset; [2025-03-08 18:15:29,286 INFO L1307 $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; [2025-03-08 18:15:34,445 INFO L? ?]: Removed 196 outVars from TransFormulas that were not future-live. [2025-03-08 18:15:34,446 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 18:15:34,463 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 18:15:34,466 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 18:15:34,466 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 06:15:34 BoogieIcfgContainer [2025-03-08 18:15:34,466 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 18:15:34,468 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 18:15:34,468 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 18:15:34,474 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 18:15:34,474 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 06:15:26" (1/3) ... [2025-03-08 18:15:34,474 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a19cf87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 06:15:34, skipping insertion in model container [2025-03-08 18:15:34,475 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:15:28" (2/3) ... [2025-03-08 18:15:34,475 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a19cf87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 06:15:34, skipping insertion in model container [2025-03-08 18:15:34,476 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 06:15:34" (3/3) ... [2025-03-08 18:15:34,477 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_s_sift_up_harness.i [2025-03-08 18:15:34,489 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 18:15:34,490 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_priority_queue_s_sift_up_harness.i that has 25 procedures, 321 locations, 1 initial locations, 5 loop locations, and 2 error locations. [2025-03-08 18:15:34,543 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 18:15:34,552 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;@38bc991a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 18:15:34,553 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-03-08 18:15:34,557 INFO L276 IsEmpty]: Start isEmpty. Operand has 321 states, 192 states have (on average 1.2239583333333333) internal successors, (235), 195 states have internal predecessors, (235), 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) [2025-03-08 18:15:34,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2025-03-08 18:15:34,571 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:15:34,572 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, 1, 1, 1] [2025-03-08 18:15:34,572 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:15:34,577 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:15:34,578 INFO L85 PathProgramCache]: Analyzing trace with hash -1841438608, now seen corresponding path program 1 times [2025-03-08 18:15:34,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:15:34,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819431905] [2025-03-08 18:15:34,584 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:15:34,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:15:38,645 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 137 statements into 1 equivalence classes. [2025-03-08 18:15:38,977 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 137 of 137 statements. [2025-03-08 18:15:38,977 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:15:38,977 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:15:39,459 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2025-03-08 18:15:39,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 18:15:39,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819431905] [2025-03-08 18:15:39,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819431905] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 18:15:39,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [821638057] [2025-03-08 18:15:39,462 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:15:39,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 18:15:39,463 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:15:39,464 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-08 18:15:39,466 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-08 18:15:43,402 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 137 statements into 1 equivalence classes. [2025-03-08 18:15:43,890 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 137 of 137 statements. [2025-03-08 18:15:43,891 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:15:43,891 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:15:43,911 INFO L256 TraceCheckSpWp]: Trace formula consists of 4433 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-08 18:15:43,920 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 18:15:43,933 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2025-03-08 18:15:43,933 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 18:15:43,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [821638057] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 18:15:43,933 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 18:15:43,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-08 18:15:43,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439885914] [2025-03-08 18:15:43,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 18:15:43,941 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-08 18:15:43,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 18:15:43,954 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-08 18:15:43,955 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 18:15:43,958 INFO L87 Difference]: Start difference. First operand has 321 states, 192 states have (on average 1.2239583333333333) internal successors, (235), 195 states have internal predecessors, (235), 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 23.5) internal successors, (47), 2 states have internal predecessors, (47), 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) [2025-03-08 18:15:44,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 18:15:44,003 INFO L93 Difference]: Finished difference Result 617 states and 906 transitions. [2025-03-08 18:15:44,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-08 18:15:44,004 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 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 137 [2025-03-08 18:15:44,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 18:15:44,011 INFO L225 Difference]: With dead ends: 617 [2025-03-08 18:15:44,011 INFO L226 Difference]: Without dead ends: 314 [2025-03-08 18:15:44,017 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 18:15:44,019 INFO L435 NwaCegarLoop]: 432 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, 432 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 18:15:44,019 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 432 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 18:15:44,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2025-03-08 18:15:44,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 314. [2025-03-08 18:15:44,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 187 states have (on average 1.2032085561497325) internal successors, (225), 189 states have internal predecessors, (225), 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) [2025-03-08 18:15:44,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 427 transitions. [2025-03-08 18:15:44,078 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 427 transitions. Word has length 137 [2025-03-08 18:15:44,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 18:15:44,081 INFO L471 AbstractCegarLoop]: Abstraction has 314 states and 427 transitions. [2025-03-08 18:15:44,081 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 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) [2025-03-08 18:15:44,081 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 427 transitions. [2025-03-08 18:15:44,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2025-03-08 18:15:44,088 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:15:44,088 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, 1, 1, 1] [2025-03-08 18:15:44,104 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-03-08 18:15:44,289 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-03-08 18:15:44,290 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:15:44,291 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:15:44,291 INFO L85 PathProgramCache]: Analyzing trace with hash -1357547379, now seen corresponding path program 1 times [2025-03-08 18:15:44,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:15:44,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542501435] [2025-03-08 18:15:44,291 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:15:44,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:15:47,899 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 137 statements into 1 equivalence classes. [2025-03-08 18:15:48,024 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 137 of 137 statements. [2025-03-08 18:15:48,025 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:15:48,025 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:15:48,955 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2025-03-08 18:15:48,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 18:15:48,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542501435] [2025-03-08 18:15:48,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542501435] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 18:15:48,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [804030781] [2025-03-08 18:15:48,955 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:15:48,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 18:15:48,956 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:15:48,957 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-08 18:15:48,959 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-08 18:15:53,031 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 137 statements into 1 equivalence classes. [2025-03-08 18:15:53,441 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 137 of 137 statements. [2025-03-08 18:15:53,442 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:15:53,442 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:15:53,461 INFO L256 TraceCheckSpWp]: Trace formula consists of 4433 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-08 18:15:53,467 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 18:15:54,404 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2025-03-08 18:15:54,404 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 18:15:54,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [804030781] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 18:15:54,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 18:15:54,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2025-03-08 18:15:54,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755488793] [2025-03-08 18:15:54,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 18:15:54,405 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-08 18:15:54,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 18:15:54,406 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-08 18:15:54,406 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2025-03-08 18:15:54,406 INFO L87 Difference]: Start difference. First operand 314 states and 427 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 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) [2025-03-08 18:15:56,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 18:15:56,540 INFO L93 Difference]: Finished difference Result 582 states and 796 transitions. [2025-03-08 18:15:56,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-08 18:15:56,541 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 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 137 [2025-03-08 18:15:56,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 18:15:56,546 INFO L225 Difference]: With dead ends: 582 [2025-03-08 18:15:56,547 INFO L226 Difference]: Without dead ends: 316 [2025-03-08 18:15:56,548 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2025-03-08 18:15:56,548 INFO L435 NwaCegarLoop]: 381 mSDtfsCounter, 427 mSDsluCounter, 1108 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 431 SdHoareTripleChecker+Valid, 1489 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2025-03-08 18:15:56,549 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [431 Valid, 1489 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2025-03-08 18:15:56,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2025-03-08 18:15:56,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 316. [2025-03-08 18:15:56,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 316 states, 188 states have (on average 1.202127659574468) internal successors, (226), 191 states have internal predecessors, (226), 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) [2025-03-08 18:15:56,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 432 transitions. [2025-03-08 18:15:56,569 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 432 transitions. Word has length 137 [2025-03-08 18:15:56,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 18:15:56,569 INFO L471 AbstractCegarLoop]: Abstraction has 316 states and 432 transitions. [2025-03-08 18:15:56,569 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 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) [2025-03-08 18:15:56,570 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 432 transitions. [2025-03-08 18:15:56,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2025-03-08 18:15:56,575 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:15:56,575 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] [2025-03-08 18:15:56,594 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-08 18:15:56,775 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2025-03-08 18:15:56,776 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:15:56,776 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:15:56,776 INFO L85 PathProgramCache]: Analyzing trace with hash 129721323, now seen corresponding path program 1 times [2025-03-08 18:15:56,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:15:56,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436845258] [2025-03-08 18:15:56,776 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:15:56,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:16:00,167 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 145 statements into 1 equivalence classes. [2025-03-08 18:16:00,300 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 145 of 145 statements. [2025-03-08 18:16:00,301 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:16:00,301 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:16:01,515 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2025-03-08 18:16:01,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 18:16:01,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436845258] [2025-03-08 18:16:01,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [436845258] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 18:16:01,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [227277664] [2025-03-08 18:16:01,515 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:16:01,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 18:16:01,515 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:16:01,517 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-08 18:16:01,518 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-08 18:16:05,398 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 145 statements into 1 equivalence classes. [2025-03-08 18:16:05,771 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 145 of 145 statements. [2025-03-08 18:16:05,771 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:16:05,772 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:16:05,792 INFO L256 TraceCheckSpWp]: Trace formula consists of 4483 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-08 18:16:05,798 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 18:16:07,503 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2025-03-08 18:16:07,507 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 18:16:07,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [227277664] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 18:16:07,507 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 18:16:07,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [7] total 13 [2025-03-08 18:16:07,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874974124] [2025-03-08 18:16:07,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 18:16:07,508 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-08 18:16:07,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 18:16:07,508 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-08 18:16:07,508 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2025-03-08 18:16:07,511 INFO L87 Difference]: Start difference. First operand 316 states and 432 transitions. Second operand has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 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) [2025-03-08 18:16:12,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 18:16:12,209 INFO L93 Difference]: Finished difference Result 605 states and 843 transitions. [2025-03-08 18:16:12,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-08 18:16:12,210 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 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 145 [2025-03-08 18:16:12,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 18:16:12,213 INFO L225 Difference]: With dead ends: 605 [2025-03-08 18:16:12,213 INFO L226 Difference]: Without dead ends: 337 [2025-03-08 18:16:12,214 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=56, Invalid=286, Unknown=0, NotChecked=0, Total=342 [2025-03-08 18:16:12,214 INFO L435 NwaCegarLoop]: 364 mSDtfsCounter, 477 mSDsluCounter, 1759 mSDsCounter, 0 mSdLazyCounter, 368 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 490 SdHoareTripleChecker+Valid, 2123 SdHoareTripleChecker+Invalid, 412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 368 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2025-03-08 18:16:12,215 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [490 Valid, 2123 Invalid, 412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 368 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2025-03-08 18:16:12,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2025-03-08 18:16:12,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 335. [2025-03-08 18:16:12,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335 states, 204 states have (on average 1.2156862745098038) internal successors, (248), 207 states have internal predecessors, (248), 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) [2025-03-08 18:16:12,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 469 transitions. [2025-03-08 18:16:12,246 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 469 transitions. Word has length 145 [2025-03-08 18:16:12,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 18:16:12,246 INFO L471 AbstractCegarLoop]: Abstraction has 335 states and 469 transitions. [2025-03-08 18:16:12,246 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 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) [2025-03-08 18:16:12,246 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 469 transitions. [2025-03-08 18:16:12,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2025-03-08 18:16:12,248 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:16:12,248 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, 1, 1, 1] [2025-03-08 18:16:12,266 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-03-08 18:16:12,448 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 18:16:12,449 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:16:12,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:16:12,449 INFO L85 PathProgramCache]: Analyzing trace with hash 1778315523, now seen corresponding path program 1 times [2025-03-08 18:16:12,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:16:12,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164753571] [2025-03-08 18:16:12,450 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:16:12,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:16:16,106 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 160 statements into 1 equivalence classes. [2025-03-08 18:16:16,220 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 160 of 160 statements. [2025-03-08 18:16:16,220 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:16:16,220 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:16:17,441 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2025-03-08 18:16:17,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 18:16:17,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164753571] [2025-03-08 18:16:17,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1164753571] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 18:16:17,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [902512644] [2025-03-08 18:16:17,442 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:16:17,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 18:16:17,442 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:16:17,444 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-08 18:16:17,446 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-08 18:16:21,561 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 160 statements into 1 equivalence classes. [2025-03-08 18:16:21,923 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 160 of 160 statements. [2025-03-08 18:16:21,923 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:16:21,923 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:16:21,942 INFO L256 TraceCheckSpWp]: Trace formula consists of 4610 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-08 18:16:21,948 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 18:16:23,259 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2025-03-08 18:16:23,260 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 18:16:23,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [902512644] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 18:16:23,260 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 18:16:23,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2025-03-08 18:16:23,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026708253] [2025-03-08 18:16:23,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 18:16:23,261 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-08 18:16:23,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 18:16:23,261 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-08 18:16:23,261 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2025-03-08 18:16:23,261 INFO L87 Difference]: Start difference. First operand 335 states and 469 transitions. Second operand has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 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) [2025-03-08 18:16:26,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 18:16:26,194 INFO L93 Difference]: Finished difference Result 628 states and 887 transitions. [2025-03-08 18:16:26,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-08 18:16:26,195 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 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 160 [2025-03-08 18:16:26,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 18:16:26,197 INFO L225 Difference]: With dead ends: 628 [2025-03-08 18:16:26,197 INFO L226 Difference]: Without dead ends: 341 [2025-03-08 18:16:26,199 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2025-03-08 18:16:26,199 INFO L435 NwaCegarLoop]: 373 mSDtfsCounter, 443 mSDsluCounter, 1435 mSDsCounter, 0 mSdLazyCounter, 251 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 447 SdHoareTripleChecker+Valid, 1808 SdHoareTripleChecker+Invalid, 288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2025-03-08 18:16:26,199 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [447 Valid, 1808 Invalid, 288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 251 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2025-03-08 18:16:26,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2025-03-08 18:16:26,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 335. [2025-03-08 18:16:26,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335 states, 204 states have (on average 1.2156862745098038) internal successors, (248), 207 states have internal predecessors, (248), 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) [2025-03-08 18:16:26,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 469 transitions. [2025-03-08 18:16:26,215 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 469 transitions. Word has length 160 [2025-03-08 18:16:26,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 18:16:26,215 INFO L471 AbstractCegarLoop]: Abstraction has 335 states and 469 transitions. [2025-03-08 18:16:26,215 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 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) [2025-03-08 18:16:26,215 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 469 transitions. [2025-03-08 18:16:26,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2025-03-08 18:16:26,217 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:16:26,218 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, 1, 1, 1] [2025-03-08 18:16:26,235 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-03-08 18:16:26,418 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 18:16:26,418 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:16:26,419 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:16:26,419 INFO L85 PathProgramCache]: Analyzing trace with hash 1037952851, now seen corresponding path program 1 times [2025-03-08 18:16:26,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:16:26,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016071287] [2025-03-08 18:16:26,419 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:16:26,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:16:29,819 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 176 statements into 1 equivalence classes. [2025-03-08 18:16:29,940 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 176 of 176 statements. [2025-03-08 18:16:29,941 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:16:29,941 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:16:31,528 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2025-03-08 18:16:31,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 18:16:31,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016071287] [2025-03-08 18:16:31,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2016071287] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 18:16:31,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1391933727] [2025-03-08 18:16:31,528 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:16:31,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 18:16:31,528 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:16:31,531 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-08 18:16:31,533 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-03-08 18:16:35,765 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 176 statements into 1 equivalence classes. [2025-03-08 18:16:36,134 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 176 of 176 statements. [2025-03-08 18:16:36,134 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:16:36,134 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:16:36,154 INFO L256 TraceCheckSpWp]: Trace formula consists of 4682 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-08 18:16:36,161 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 18:16:38,202 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2025-03-08 18:16:38,203 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 18:16:38,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1391933727] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 18:16:38,203 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 18:16:38,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [8] total 15 [2025-03-08 18:16:38,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796320284] [2025-03-08 18:16:38,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 18:16:38,204 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-08 18:16:38,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 18:16:38,204 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-08 18:16:38,205 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2025-03-08 18:16:38,205 INFO L87 Difference]: Start difference. First operand 335 states and 469 transitions. Second operand has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 9 states have internal predecessors, (82), 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) [2025-03-08 18:16:44,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 18:16:44,110 INFO L93 Difference]: Finished difference Result 639 states and 901 transitions. [2025-03-08 18:16:44,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-08 18:16:44,111 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 9 states have internal predecessors, (82), 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 176 [2025-03-08 18:16:44,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 18:16:44,114 INFO L225 Difference]: With dead ends: 639 [2025-03-08 18:16:44,114 INFO L226 Difference]: Without dead ends: 352 [2025-03-08 18:16:44,115 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=72, Invalid=434, Unknown=0, NotChecked=0, Total=506 [2025-03-08 18:16:44,116 INFO L435 NwaCegarLoop]: 358 mSDtfsCounter, 500 mSDsluCounter, 2064 mSDsCounter, 0 mSdLazyCounter, 480 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 512 SdHoareTripleChecker+Valid, 2422 SdHoareTripleChecker+Invalid, 532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 480 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2025-03-08 18:16:44,116 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [512 Valid, 2422 Invalid, 532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 480 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2025-03-08 18:16:44,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2025-03-08 18:16:44,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 335. [2025-03-08 18:16:44,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335 states, 204 states have (on average 1.2156862745098038) internal successors, (248), 207 states have internal predecessors, (248), 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) [2025-03-08 18:16:44,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 469 transitions. [2025-03-08 18:16:44,128 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 469 transitions. Word has length 176 [2025-03-08 18:16:44,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 18:16:44,128 INFO L471 AbstractCegarLoop]: Abstraction has 335 states and 469 transitions. [2025-03-08 18:16:44,129 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 9 states have internal predecessors, (82), 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) [2025-03-08 18:16:44,129 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 469 transitions. [2025-03-08 18:16:44,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2025-03-08 18:16:44,130 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:16:44,130 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, 1, 1, 1] [2025-03-08 18:16:44,150 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-03-08 18:16:44,331 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 [2025-03-08 18:16:44,331 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:16:44,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:16:44,331 INFO L85 PathProgramCache]: Analyzing trace with hash -408011009, now seen corresponding path program 1 times [2025-03-08 18:16:44,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:16:44,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975249386] [2025-03-08 18:16:44,332 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:16:44,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:16:47,703 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 191 statements into 1 equivalence classes. [2025-03-08 18:16:47,826 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 191 of 191 statements. [2025-03-08 18:16:47,826 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:16:47,827 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:16:49,017 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2025-03-08 18:16:49,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 18:16:49,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975249386] [2025-03-08 18:16:49,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1975249386] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 18:16:49,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1351729952] [2025-03-08 18:16:49,017 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:16:49,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 18:16:49,017 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:16:49,019 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) [2025-03-08 18:16:49,020 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-03-08 18:16:53,330 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 191 statements into 1 equivalence classes. [2025-03-08 18:16:53,748 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 191 of 191 statements. [2025-03-08 18:16:53,748 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:16:53,748 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:16:53,773 INFO L256 TraceCheckSpWp]: Trace formula consists of 4809 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-08 18:16:53,779 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 18:16:55,375 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2025-03-08 18:16:55,375 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 18:16:55,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1351729952] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 18:16:55,375 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 18:16:55,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [7] total 13 [2025-03-08 18:16:55,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647747089] [2025-03-08 18:16:55,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 18:16:55,376 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-08 18:16:55,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 18:16:55,376 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-08 18:16:55,377 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2025-03-08 18:16:55,377 INFO L87 Difference]: Start difference. First operand 335 states and 469 transitions. Second operand has 8 states, 7 states have (on average 11.428571428571429) internal successors, (80), 7 states have internal predecessors, (80), 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)