./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 48c9605d Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4257c596bef04d5fe8bf259adf6446404c081810303dcc774a436ca59648249a --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 01:57:51,131 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 01:57:51,164 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-08 01:57:51,167 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 01:57:51,167 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 01:57:51,181 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 01:57:51,181 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 01:57:51,181 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 01:57:51,182 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 01:57:51,182 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 01:57:51,182 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 01:57:51,182 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 01:57:51,182 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 01:57:51,182 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 01:57:51,182 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 01:57:51,182 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 01:57:51,182 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 01:57:51,183 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 01:57:51,183 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 01:57:51,183 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 01:57:51,183 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 01:57:51,183 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 01:57:51,183 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 01:57:51,183 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 01:57:51,183 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 01:57:51,183 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 01:57:51,183 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 01:57:51,183 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 01:57:51,183 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 01:57:51,183 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:57:51,183 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 01:57:51,183 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 01:57:51,183 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 01:57:51,183 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 01:57:51,183 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 01:57:51,183 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 01:57:51,183 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 01:57:51,183 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 01:57:51,183 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 01:57:51,184 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 01:57:51,184 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4257c596bef04d5fe8bf259adf6446404c081810303dcc774a436ca59648249a [2025-02-08 01:57:51,374 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 01:57:51,380 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 01:57:51,381 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 01:57:51,381 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 01:57:51,382 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 01:57:51,382 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness.i [2025-02-08 01:57:52,510 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/09bf91db6/f06997a0b3f6474b8b2549d1e82709e4/FLAGb20db2379 [2025-02-08 01:57:53,006 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 01:57:53,006 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness.i [2025-02-08 01:57:53,042 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/09bf91db6/f06997a0b3f6474b8b2549d1e82709e4/FLAGb20db2379 [2025-02-08 01:57:53,102 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/09bf91db6/f06997a0b3f6474b8b2549d1e82709e4 [2025-02-08 01:57:53,104 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 01:57:53,106 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 01:57:53,107 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 01:57:53,108 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 01:57:53,112 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 01:57:53,113 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:57:53" (1/1) ... [2025-02-08 01:57:53,114 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f33c641 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:57:53, skipping insertion in model container [2025-02-08 01:57:53,114 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:57:53" (1/1) ... [2025-02-08 01:57:53,190 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 01:57:53,369 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness.i[4499,4512] [2025-02-08 01:57:53,378 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness.i[4559,4572] [2025-02-08 01:57:53,877 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:53,878 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:53,878 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:53,879 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:53,879 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:53,889 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:53,889 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:53,891 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:53,891 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:53,892 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:53,892 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:53,893 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:53,893 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:54,213 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:54,220 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:54,263 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:54,263 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:54,263 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:54,263 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:54,264 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:54,264 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:54,264 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:54,265 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:54,265 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:54,265 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:54,265 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:54,265 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:54,265 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:54,267 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:54,267 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:54,267 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:54,268 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:54,270 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:54,270 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:54,275 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:54,275 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:54,275 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:54,291 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:57:54,315 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 01:57:54,323 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness.i[4499,4512] [2025-02-08 01:57:54,324 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness.i[4559,4572] [2025-02-08 01:57:54,354 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:54,354 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:54,354 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:54,355 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:54,355 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:54,359 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:54,359 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:54,360 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:54,360 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:54,361 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:54,361 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:54,361 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:54,361 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:54,409 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:54,412 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:54,416 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7770-7781] [2025-02-08 01:57:54,477 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:54,478 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:54,478 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:54,478 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:54,478 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:54,478 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:54,479 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:54,479 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:54,479 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:54,479 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:54,479 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:54,479 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:54,480 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:54,480 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:54,480 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:54,480 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:54,481 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:54,482 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:54,482 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:54,485 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:54,485 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:54,486 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:57:54,492 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:57:54,646 INFO L204 MainTranslator]: Completed translation [2025-02-08 01:57:54,646 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:57:54 WrapperNode [2025-02-08 01:57:54,647 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 01:57:54,647 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 01:57:54,652 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 01:57:54,652 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 01:57:54,659 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:57:54" (1/1) ... [2025-02-08 01:57:54,765 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:57:54" (1/1) ... [2025-02-08 01:57:54,817 INFO L138 Inliner]: procedures = 687, calls = 1963, calls flagged for inlining = 61, calls inlined = 11, statements flattened = 791 [2025-02-08 01:57:54,818 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 01:57:54,818 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 01:57:54,818 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 01:57:54,819 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 01:57:54,829 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:57:54" (1/1) ... [2025-02-08 01:57:54,831 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:57:54" (1/1) ... [2025-02-08 01:57:54,840 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:57:54" (1/1) ... [2025-02-08 01:57:54,898 INFO L175 MemorySlicer]: Split 355 memory accesses to 8 slices as follows [5, 238, 2, 5, 3, 81, 14, 7]. 67 percent of accesses are in the largest equivalence class. The 19 initializations are split as follows [0, 6, 2, 0, 1, 5, 5, 0]. The 258 writes are split as follows [2, 232, 0, 2, 1, 17, 2, 2]. [2025-02-08 01:57:54,901 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:57:54" (1/1) ... [2025-02-08 01:57:54,901 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:57:54" (1/1) ... [2025-02-08 01:57:54,932 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:57:54" (1/1) ... [2025-02-08 01:57:54,934 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:57:54" (1/1) ... [2025-02-08 01:57:54,939 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:57:54" (1/1) ... [2025-02-08 01:57:54,941 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:57:54" (1/1) ... [2025-02-08 01:57:54,948 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 01:57:54,948 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 01:57:54,948 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 01:57:54,948 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 01:57:54,949 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:57:54" (1/1) ... [2025-02-08 01:57:54,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:57:54,968 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:57:54,980 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-08 01:57:54,991 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-08 01:57:55,005 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2025-02-08 01:57:55,005 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2025-02-08 01:57:55,006 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 01:57:55,006 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2025-02-08 01:57:55,006 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2025-02-08 01:57:55,006 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2025-02-08 01:57:55,006 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2025-02-08 01:57:55,006 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-08 01:57:55,006 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-08 01:57:55,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-08 01:57:55,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-08 01:57:55,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-08 01:57:55,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-08 01:57:55,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-08 01:57:55,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-02-08 01:57:55,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-02-08 01:57:55,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-02-08 01:57:55,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-08 01:57:55,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-08 01:57:55,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-08 01:57:55,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-08 01:57:55,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-08 01:57:55,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-08 01:57:55,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-02-08 01:57:55,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-02-08 01:57:55,008 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-02-08 01:57:55,008 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-02-08 01:57:55,008 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-08 01:57:55,008 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-08 01:57:55,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-08 01:57:55,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 01:57:55,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-08 01:57:55,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-08 01:57:55,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-08 01:57:55,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-08 01:57:55,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-08 01:57:55,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-02-08 01:57:55,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-02-08 01:57:55,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-02-08 01:57:55,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 01:57:55,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 01:57:55,008 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-08 01:57:55,008 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-08 01:57:55,008 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-02-08 01:57:55,008 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-02-08 01:57:55,008 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2025-02-08 01:57:55,008 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2025-02-08 01:57:55,008 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-02-08 01:57:55,008 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-02-08 01:57:55,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-08 01:57:55,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-08 01:57:55,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-08 01:57:55,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-08 01:57:55,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-08 01:57:55,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-02-08 01:57:55,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-02-08 01:57:55,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-02-08 01:57:55,009 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2025-02-08 01:57:55,009 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2025-02-08 01:57:55,009 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2025-02-08 01:57:55,009 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2025-02-08 01:57:55,009 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-08 01:57:55,009 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-08 01:57:55,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-08 01:57:55,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-08 01:57:55,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-08 01:57:55,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-08 01:57:55,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-08 01:57:55,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-08 01:57:55,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-02-08 01:57:55,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-02-08 01:57:55,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-02-08 01:57:55,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-08 01:57:55,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-08 01:57:55,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-08 01:57:55,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-08 01:57:55,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-08 01:57:55,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-02-08 01:57:55,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-02-08 01:57:55,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-02-08 01:57:55,009 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-02-08 01:57:55,009 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-02-08 01:57:55,009 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-02-08 01:57:55,009 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-02-08 01:57:55,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-08 01:57:55,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-08 01:57:55,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-08 01:57:55,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-08 01:57:55,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-08 01:57:55,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-08 01:57:55,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-02-08 01:57:55,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-02-08 01:57:55,012 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2025-02-08 01:57:55,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2025-02-08 01:57:55,012 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2025-02-08 01:57:55,012 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2025-02-08 01:57:55,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 01:57:55,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-08 01:57:55,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-08 01:57:55,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-08 01:57:55,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-08 01:57:55,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-08 01:57:55,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-02-08 01:57:55,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-02-08 01:57:55,301 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 01:57:55,303 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 01:57:55,340 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6935: havoc #t~malloc583.base, #t~malloc583.offset; [2025-02-08 01:57:55,362 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc #t~nondet6; [2025-02-08 01:57:55,388 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2590: havoc #t~ret57#1; [2025-02-08 01:57:55,416 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6949: havoc #t~ret587;havoc #t~ite589.base, #t~ite589.offset;havoc #t~ret588.base, #t~ret588.offset; [2025-02-08 01:57:55,464 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L8271: havoc aws_priority_queue_backpointers_valid_#t~ret876#1;havoc aws_priority_queue_backpointers_valid_#t~short877#1; [2025-02-08 01:57:55,509 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2944: call ULTIMATE.dealloc(~#required_size~0.base, ~#required_size~0.offset);havoc ~#required_size~0.base, ~#required_size~0.offset; [2025-02-08 01:57:55,511 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-08 01:57:55,525 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L8185: havoc ~node~1.base, ~node~1.offset; [2025-02-08 01:58:00,720 INFO L? ?]: Removed 177 outVars from TransFormulas that were not future-live. [2025-02-08 01:58:00,721 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 01:58:00,735 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 01:58:00,737 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 01:58:00,737 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:58:00 BoogieIcfgContainer [2025-02-08 01:58:00,737 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 01:58:00,740 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 01:58:00,740 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 01:58:00,744 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 01:58:00,744 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 01:57:53" (1/3) ... [2025-02-08 01:58:00,745 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f0ca90b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:58:00, skipping insertion in model container [2025-02-08 01:58:00,745 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:57:54" (2/3) ... [2025-02-08 01:58:00,745 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f0ca90b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:58:00, skipping insertion in model container [2025-02-08 01:58:00,745 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:58:00" (3/3) ... [2025-02-08 01:58:00,746 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_s_swap_harness.i [2025-02-08 01:58:00,758 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 01:58:00,760 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_priority_queue_s_swap_harness.i that has 18 procedures, 212 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-02-08 01:58:00,824 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 01:58:00,841 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;@5cd59807, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 01:58:00,842 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-08 01:58:00,845 INFO L276 IsEmpty]: Start isEmpty. Operand has 212 states, 132 states have (on average 1.2272727272727273) internal successors, (162), 135 states have internal predecessors, (162), 59 states have call successors, (59), 17 states have call predecessors, (59), 17 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) [2025-02-08 01:58:00,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2025-02-08 01:58:00,858 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:58:00,859 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 7, 7, 7, 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] [2025-02-08 01:58:00,859 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:58:00,863 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:58:00,863 INFO L85 PathProgramCache]: Analyzing trace with hash 1075574821, now seen corresponding path program 1 times [2025-02-08 01:58:00,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:58:00,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831940943] [2025-02-08 01:58:00,869 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:58:00,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:58:05,480 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 139 statements into 1 equivalence classes. [2025-02-08 01:58:05,796 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 139 of 139 statements. [2025-02-08 01:58:05,797 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:58:05,797 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:58:06,222 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2025-02-08 01:58:06,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:58:06,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831940943] [2025-02-08 01:58:06,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1831940943] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:58:06,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [864018893] [2025-02-08 01:58:06,225 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:58:06,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:58:06,226 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:58:06,230 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 01:58:06,234 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-08 01:58:10,880 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 139 statements into 1 equivalence classes. [2025-02-08 01:58:11,347 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 139 of 139 statements. [2025-02-08 01:58:11,348 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:58:11,348 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:58:11,365 INFO L256 TraceCheckSpWp]: Trace formula consists of 4500 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-08 01:58:11,375 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 01:58:11,398 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2025-02-08 01:58:11,398 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 01:58:11,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [864018893] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 01:58:11,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 01:58:11,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-02-08 01:58:11,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61789324] [2025-02-08 01:58:11,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 01:58:11,404 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-08 01:58:11,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 01:58:11,426 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-08 01:58:11,431 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 01:58:11,432 INFO L87 Difference]: Start difference. First operand has 212 states, 132 states have (on average 1.2272727272727273) internal successors, (162), 135 states have internal predecessors, (162), 59 states have call successors, (59), 17 states have call predecessors, (59), 17 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) 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, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2025-02-08 01:58:11,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 01:58:11,468 INFO L93 Difference]: Finished difference Result 403 states and 562 transitions. [2025-02-08 01:58:11,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-08 01:58:11,469 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, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 139 [2025-02-08 01:58:11,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 01:58:11,473 INFO L225 Difference]: With dead ends: 403 [2025-02-08 01:58:11,474 INFO L226 Difference]: Without dead ends: 202 [2025-02-08 01:58:11,477 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 01:58:11,480 INFO L435 NwaCegarLoop]: 278 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, 278 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 01:58:11,482 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 278 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 01:58:11,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2025-02-08 01:58:11,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 202. [2025-02-08 01:58:11,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 127 states have (on average 1.204724409448819) internal successors, (153), 128 states have internal predecessors, (153), 58 states have call successors, (58), 16 states have call predecessors, (58), 16 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2025-02-08 01:58:11,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 268 transitions. [2025-02-08 01:58:11,527 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 268 transitions. Word has length 139 [2025-02-08 01:58:11,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 01:58:11,529 INFO L471 AbstractCegarLoop]: Abstraction has 202 states and 268 transitions. [2025-02-08 01:58:11,529 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, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2025-02-08 01:58:11,529 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 268 transitions. [2025-02-08 01:58:11,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2025-02-08 01:58:11,533 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:58:11,533 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 7, 7, 7, 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] [2025-02-08 01:58:11,548 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-08 01:58:11,734 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-02-08 01:58:11,734 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:58:11,734 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:58:11,734 INFO L85 PathProgramCache]: Analyzing trace with hash 1705904706, now seen corresponding path program 1 times [2025-02-08 01:58:11,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:58:11,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613436234] [2025-02-08 01:58:11,735 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:58:11,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:58:15,685 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 139 statements into 1 equivalence classes. [2025-02-08 01:58:16,550 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 139 of 139 statements. [2025-02-08 01:58:16,553 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:58:16,553 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:58:18,942 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 9 proven. 11 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2025-02-08 01:58:18,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:58:18,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613436234] [2025-02-08 01:58:18,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613436234] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:58:18,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [912380696] [2025-02-08 01:58:18,944 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:58:18,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:58:18,944 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:58:18,946 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 01:58:18,948 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-02-08 01:58:23,497 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 139 statements into 1 equivalence classes. [2025-02-08 01:58:23,948 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 139 of 139 statements. [2025-02-08 01:58:23,949 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:58:23,949 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:58:23,971 INFO L256 TraceCheckSpWp]: Trace formula consists of 4500 conjuncts, 111 conjuncts are in the unsatisfiable core [2025-02-08 01:58:23,984 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 01:58:24,025 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2025-02-08 01:58:24,076 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 1 [2025-02-08 01:58:24,100 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2025-02-08 01:58:24,124 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2025-02-08 01:58:24,175 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2025-02-08 01:58:24,232 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2025-02-08 01:58:24,277 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 1 [2025-02-08 01:58:30,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-08 01:58:30,453 INFO L349 Elim1Store]: treesize reduction 39, result has 32.8 percent of original size [2025-02-08 01:58:30,453 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 35 [2025-02-08 01:58:30,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-08 01:58:30,799 INFO L349 Elim1Store]: treesize reduction 39, result has 32.8 percent of original size [2025-02-08 01:58:30,800 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 35 [2025-02-08 01:58:30,860 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2025-02-08 01:58:37,445 INFO L173 IndexEqualityManager]: detected equality via solver [2025-02-08 01:58:37,446 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 3 [2025-02-08 01:58:37,466 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2025-02-08 01:58:37,516 INFO L173 IndexEqualityManager]: detected equality via solver [2025-02-08 01:58:37,517 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 3 [2025-02-08 01:58:41,848 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15