./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 551b0097 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-?-551b009-m [2025-01-09 17:27:33,189 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 17:27:33,247 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-01-09 17:27:33,253 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 17:27:33,253 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 17:27:33,272 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 17:27:33,273 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 17:27:33,273 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 17:27:33,273 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 17:27:33,273 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 17:27:33,278 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 17:27:33,278 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 17:27:33,278 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 17:27:33,278 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 17:27:33,278 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 17:27:33,278 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 17:27:33,278 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 17:27:33,278 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 17:27:33,278 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 17:27:33,278 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 17:27:33,279 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 17:27:33,279 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 17:27:33,279 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 17:27:33,279 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 17:27:33,279 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 17:27:33,279 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 17:27:33,279 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:27:33,279 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:27:33,279 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:27:33,279 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:27:33,279 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 17:27:33,279 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:27:33,279 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:27:33,279 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:27:33,279 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:27:33,279 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 17:27:33,279 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 17:27:33,279 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 17:27:33,279 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 17:27:33,279 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 17:27:33,279 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 17:27:33,279 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 17:27:33,279 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 17:27:33,280 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 17:27:33,280 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 17:27:33,280 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 [2025-01-09 17:27:33,529 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 17:27:33,544 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 17:27:33,547 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 17:27:33,547 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 17:27:33,548 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 17:27:33,550 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness.i [2025-01-09 17:27:34,878 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0455781dd/3715f40eb8184af5beef1f3e842fac84/FLAGdb26e32ae [2025-01-09 17:27:35,332 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 17:27:35,333 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness.i [2025-01-09 17:27:35,369 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0455781dd/3715f40eb8184af5beef1f3e842fac84/FLAGdb26e32ae [2025-01-09 17:27:35,389 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0455781dd/3715f40eb8184af5beef1f3e842fac84 [2025-01-09 17:27:35,391 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 17:27:35,392 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 17:27:35,395 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 17:27:35,395 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 17:27:35,398 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 17:27:35,399 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:27:35" (1/1) ... [2025-01-09 17:27:35,399 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66f6da3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:27:35, skipping insertion in model container [2025-01-09 17:27:35,400 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:27:35" (1/1) ... [2025-01-09 17:27:35,470 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 17:27:35,706 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] [2025-01-09 17:27:35,713 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] [2025-01-09 17:27:36,196 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:36,197 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:36,197 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:36,197 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:36,198 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:36,206 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:36,207 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:36,212 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:36,213 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:36,214 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:36,214 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:36,215 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:36,215 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:36,540 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:36,545 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:36,589 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:36,589 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:36,589 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:36,590 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:36,590 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:36,590 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:36,590 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:36,593 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:36,593 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:36,593 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:36,594 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:36,594 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:36,594 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:36,599 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:36,599 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:36,600 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:36,600 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:36,602 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:36,602 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:36,607 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:36,607 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:36,608 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:36,635 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:27:36,658 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 17:27:36,667 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] [2025-01-09 17:27:36,667 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] [2025-01-09 17:27:36,742 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:36,743 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:36,743 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:36,743 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:36,743 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:36,748 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:36,748 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:36,749 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:36,749 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:36,749 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:36,750 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:36,750 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:36,750 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:36,809 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:36,812 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:36,818 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7770-7781] [2025-01-09 17:27:36,837 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:36,838 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:36,838 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:36,838 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:36,839 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:36,840 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:36,840 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:36,840 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:36,841 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:36,841 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:36,841 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:36,841 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:36,841 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:36,841 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:36,841 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:36,842 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:36,842 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:36,843 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:36,843 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:36,848 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:36,848 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:36,848 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:27:36,856 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:27:36,993 INFO L204 MainTranslator]: Completed translation [2025-01-09 17:27:36,993 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:27:36 WrapperNode [2025-01-09 17:27:36,994 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 17:27:36,995 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 17:27:36,996 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 17:27:36,996 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 17:27:37,000 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:27:36" (1/1) ... [2025-01-09 17:27:37,043 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:27:36" (1/1) ... [2025-01-09 17:27:37,078 INFO L138 Inliner]: procedures = 687, calls = 1963, calls flagged for inlining = 61, calls inlined = 11, statements flattened = 791 [2025-01-09 17:27:37,079 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 17:27:37,079 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 17:27:37,079 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 17:27:37,079 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 17:27:37,093 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:27:36" (1/1) ... [2025-01-09 17:27:37,093 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:27:36" (1/1) ... [2025-01-09 17:27:37,098 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:27:36" (1/1) ... [2025-01-09 17:27:37,157 INFO L175 MemorySlicer]: Split 355 memory accesses to 8 slices as follows [238, 2, 7, 5, 81, 5, 3, 14]. 67 percent of accesses are in the largest equivalence class. The 19 initializations are split as follows [6, 2, 0, 0, 5, 0, 1, 5]. The 258 writes are split as follows [232, 0, 2, 2, 17, 2, 1, 2]. [2025-01-09 17:27:37,157 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:27:36" (1/1) ... [2025-01-09 17:27:37,157 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:27:36" (1/1) ... [2025-01-09 17:27:37,214 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:27:36" (1/1) ... [2025-01-09 17:27:37,216 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:27:36" (1/1) ... [2025-01-09 17:27:37,222 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:27:36" (1/1) ... [2025-01-09 17:27:37,232 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:27:36" (1/1) ... [2025-01-09 17:27:37,239 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:27:36" (1/1) ... [2025-01-09 17:27:37,254 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 17:27:37,258 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 17:27:37,260 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 17:27:37,260 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 17:27:37,261 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:27:36" (1/1) ... [2025-01-09 17:27:37,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:27:37,278 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:27:37,294 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) [2025-01-09 17:27:37,303 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 [2025-01-09 17:27:37,334 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2025-01-09 17:27:37,334 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2025-01-09 17:27:37,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 17:27:37,334 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2025-01-09 17:27:37,334 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2025-01-09 17:27:37,334 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2025-01-09 17:27:37,334 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2025-01-09 17:27:37,334 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-01-09 17:27:37,334 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-01-09 17:27:37,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-01-09 17:27:37,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-01-09 17:27:37,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-01-09 17:27:37,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-01-09 17:27:37,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-01-09 17:27:37,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-01-09 17:27:37,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-01-09 17:27:37,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-01-09 17:27:37,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-09 17:27:37,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-09 17:27:37,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-09 17:27:37,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-01-09 17:27:37,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-01-09 17:27:37,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-01-09 17:27:37,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-01-09 17:27:37,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-01-09 17:27:37,335 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-01-09 17:27:37,335 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-01-09 17:27:37,335 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-01-09 17:27:37,335 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-01-09 17:27:37,335 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-09 17:27:37,335 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 17:27:37,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-01-09 17:27:37,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-01-09 17:27:37,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-01-09 17:27:37,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-01-09 17:27:37,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-01-09 17:27:37,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-01-09 17:27:37,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-01-09 17:27:37,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-01-09 17:27:37,335 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 17:27:37,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 17:27:37,335 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-01-09 17:27:37,335 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-01-09 17:27:37,335 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-01-09 17:27:37,335 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-01-09 17:27:37,335 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2025-01-09 17:27:37,335 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2025-01-09 17:27:37,335 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-01-09 17:27:37,335 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-01-09 17:27:37,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-01-09 17:27:37,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-01-09 17:27:37,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-01-09 17:27:37,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-01-09 17:27:37,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-01-09 17:27:37,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-01-09 17:27:37,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-01-09 17:27:37,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-01-09 17:27:37,336 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2025-01-09 17:27:37,336 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2025-01-09 17:27:37,336 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2025-01-09 17:27:37,336 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2025-01-09 17:27:37,336 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 17:27:37,336 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 17:27:37,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 17:27:37,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-01-09 17:27:37,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-01-09 17:27:37,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-01-09 17:27:37,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-01-09 17:27:37,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-01-09 17:27:37,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-01-09 17:27:37,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-01-09 17:27:37,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-01-09 17:27:37,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-01-09 17:27:37,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-01-09 17:27:37,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-01-09 17:27:37,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-01-09 17:27:37,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-01-09 17:27:37,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-01-09 17:27:37,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-01-09 17:27:37,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-01-09 17:27:37,336 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-01-09 17:27:37,336 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-01-09 17:27:37,336 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-01-09 17:27:37,336 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-01-09 17:27:37,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-09 17:27:37,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-09 17:27:37,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-09 17:27:37,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-01-09 17:27:37,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-01-09 17:27:37,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-01-09 17:27:37,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-01-09 17:27:37,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-01-09 17:27:37,339 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2025-01-09 17:27:37,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2025-01-09 17:27:37,339 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2025-01-09 17:27:37,339 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2025-01-09 17:27:37,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 17:27:37,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 17:27:37,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 17:27:37,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 17:27:37,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-01-09 17:27:37,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-01-09 17:27:37,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-01-09 17:27:37,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-01-09 17:27:37,564 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 17:27:37,565 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 17:27:43,510 INFO L? ?]: Removed 186 outVars from TransFormulas that were not future-live. [2025-01-09 17:27:43,510 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 17:27:43,522 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 17:27:43,523 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-09 17:27:43,524 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:27:43 BoogieIcfgContainer [2025-01-09 17:27:43,524 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 17:27:43,526 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 17:27:43,526 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 17:27:43,529 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 17:27:43,529 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 05:27:35" (1/3) ... [2025-01-09 17:27:43,530 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e1ab63c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:27:43, skipping insertion in model container [2025-01-09 17:27:43,530 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:27:36" (2/3) ... [2025-01-09 17:27:43,531 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e1ab63c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:27:43, skipping insertion in model container [2025-01-09 17:27:43,531 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:27:43" (3/3) ... [2025-01-09 17:27:43,532 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_s_swap_harness.i [2025-01-09 17:27:43,542 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 17:27:43,543 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_priority_queue_s_swap_harness.i that has 18 procedures, 216 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-01-09 17:27:43,590 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 17:27:43,599 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;@1ed9c7c2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 17:27:43,599 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 17:27:43,602 INFO L276 IsEmpty]: Start isEmpty. Operand has 216 states, 138 states have (on average 1.2173913043478262) internal successors, (168), 139 states have internal predecessors, (168), 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) [2025-01-09 17:27:43,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2025-01-09 17:27:43,613 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:27:43,614 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, 1, 1, 1] [2025-01-09 17:27:43,614 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:27:43,617 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:27:43,618 INFO L85 PathProgramCache]: Analyzing trace with hash -156511733, now seen corresponding path program 1 times [2025-01-09 17:27:43,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:27:43,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590248625] [2025-01-09 17:27:43,623 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:27:43,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:27:47,997 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 142 statements into 1 equivalence classes. [2025-01-09 17:27:48,265 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 142 of 142 statements. [2025-01-09 17:27:48,265 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:27:48,265 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:27:48,704 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2025-01-09 17:27:48,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:27:48,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590248625] [2025-01-09 17:27:48,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [590248625] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:27:48,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1661314047] [2025-01-09 17:27:48,705 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:27:48,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:27:48,707 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:27:48,708 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) [2025-01-09 17:27:48,711 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 [2025-01-09 17:27:53,270 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 142 statements into 1 equivalence classes. [2025-01-09 17:27:53,727 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 142 of 142 statements. [2025-01-09 17:27:53,727 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:27:53,727 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:27:53,748 INFO L256 TraceCheckSpWp]: Trace formula consists of 4503 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-09 17:27:53,759 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 17:27:53,781 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2025-01-09 17:27:53,783 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 17:27:53,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1661314047] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 17:27:53,784 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 17:27:53,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-01-09 17:27:53,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544914752] [2025-01-09 17:27:53,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 17:27:53,789 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-09 17:27:53,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 17:27:53,805 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-09 17:27:53,805 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 17:27:53,808 INFO L87 Difference]: Start difference. First operand has 216 states, 138 states have (on average 1.2173913043478262) internal successors, (168), 139 states have internal predecessors, (168), 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 25.0) internal successors, (50), 2 states have internal predecessors, (50), 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) [2025-01-09 17:27:53,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 17:27:53,856 INFO L93 Difference]: Finished difference Result 409 states and 572 transitions. [2025-01-09 17:27:53,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-09 17:27:53,857 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 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 142 [2025-01-09 17:27:53,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 17:27:53,866 INFO L225 Difference]: With dead ends: 409 [2025-01-09 17:27:53,866 INFO L226 Difference]: Without dead ends: 211 [2025-01-09 17:27:53,872 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 17:27:53,874 INFO L435 NwaCegarLoop]: 284 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, 284 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 [2025-01-09 17:27:53,878 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 284 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 17:27:53,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2025-01-09 17:27:53,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 211. [2025-01-09 17:27:53,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 134 states have (on average 1.208955223880597) 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, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2025-01-09 17:27:53,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 279 transitions. [2025-01-09 17:27:53,938 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 279 transitions. Word has length 142 [2025-01-09 17:27:53,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 17:27:53,940 INFO L471 AbstractCegarLoop]: Abstraction has 211 states and 279 transitions. [2025-01-09 17:27:53,940 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 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) [2025-01-09 17:27:53,940 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 279 transitions. [2025-01-09 17:27:53,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2025-01-09 17:27:53,942 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:27:53,942 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, 1, 1, 1] [2025-01-09 17:27:53,957 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-01-09 17:27:54,147 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 [2025-01-09 17:27:54,147 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:27:54,148 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:27:54,148 INFO L85 PathProgramCache]: Analyzing trace with hash -1054601719, now seen corresponding path program 1 times [2025-01-09 17:27:54,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:27:54,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852307839] [2025-01-09 17:27:54,148 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:27:54,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:27:57,699 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 142 statements into 1 equivalence classes. [2025-01-09 17:27:58,781 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 142 of 142 statements. [2025-01-09 17:27:58,782 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:27:58,782 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:28:01,208 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 9 proven. 11 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2025-01-09 17:28:01,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:28:01,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852307839] [2025-01-09 17:28:01,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [852307839] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:28:01,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [573784086] [2025-01-09 17:28:01,208 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:28:01,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:28:01,209 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:28:01,211 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) [2025-01-09 17:28:01,213 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 [2025-01-09 17:28:05,561 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 142 statements into 1 equivalence classes. [2025-01-09 17:28:06,022 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 142 of 142 statements. [2025-01-09 17:28:06,022 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:28:06,022 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:28:06,044 INFO L256 TraceCheckSpWp]: Trace formula consists of 4503 conjuncts, 99 conjuncts are in the unsatisfiable core [2025-01-09 17:28:06,058 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 17:28:06,106 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 [2025-01-09 17:28:06,133 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 [2025-01-09 17:28:06,157 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 [2025-01-09 17:28:06,181 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 [2025-01-09 17:28:06,223 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 [2025-01-09 17:28:06,269 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 [2025-01-09 17:28:06,312 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 [2025-01-09 17:28:12,179 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 [2025-01-09 17:28:12,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-09 17:28:12,615 INFO L349 Elim1Store]: treesize reduction 39, result has 32.8 percent of original size [2025-01-09 17:28:12,615 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 [2025-01-09 17:28:12,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-09 17:28:12,986 INFO L349 Elim1Store]: treesize reduction 39, result has 32.8 percent of original size [2025-01-09 17:28:12,986 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 [2025-01-09 17:28:19,599 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-09 17:28:19,599 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 [2025-01-09 17:28:19,620 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-09 17:28:19,621 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 [2025-01-09 17:28:19,642 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 [2025-01-09 17:28:24,051 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