./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_priority_queue_push_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_push_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 ef2e817da006dafbe2f0422952bede0c690cddbbb39ea2d021756ba99f8c2002 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 17:25:54,915 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 17:25:54,969 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-01-09 17:25:54,975 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 17:25:54,975 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 17:25:54,992 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 17:25:54,993 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 17:25:54,993 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 17:25:54,994 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 17:25:54,994 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 17:25:54,994 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 17:25:54,995 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 17:25:54,995 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 17:25:54,995 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 17:25:54,995 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 17:25:54,995 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 17:25:54,995 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 17:25:54,995 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 17:25:54,995 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 17:25:54,996 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 17:25:54,996 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 17:25:54,996 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 17:25:54,996 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 17:25:54,996 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 17:25:54,996 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 17:25:54,996 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 17:25:54,996 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:25:54,996 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:25:54,996 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:25:54,997 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:25:54,997 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 17:25:54,997 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:25:54,997 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:25:54,997 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:25:54,997 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:25:54,997 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 17:25:54,997 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 17:25:54,998 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 17:25:54,998 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 17:25:54,998 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 17:25:54,998 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 17:25:54,998 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 17:25:54,998 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 17:25:54,998 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 17:25:54,998 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 17:25:54,998 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 -> ef2e817da006dafbe2f0422952bede0c690cddbbb39ea2d021756ba99f8c2002 [2025-01-09 17:25:55,214 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 17:25:55,222 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 17:25:55,224 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 17:25:55,225 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 17:25:55,225 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 17:25:55,226 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness.i [2025-01-09 17:25:56,398 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a384971ab/919480f5a67b47e0811bc3ca54a52769/FLAG143dfa430 [2025-01-09 17:25:56,893 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 17:25:56,894 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness.i [2025-01-09 17:25:56,930 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a384971ab/919480f5a67b47e0811bc3ca54a52769/FLAG143dfa430 [2025-01-09 17:25:56,946 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a384971ab/919480f5a67b47e0811bc3ca54a52769 [2025-01-09 17:25:56,948 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 17:25:56,950 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 17:25:56,951 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 17:25:56,951 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 17:25:56,955 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 17:25:56,956 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:25:56" (1/1) ... [2025-01-09 17:25:56,957 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21542a9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:25:56, skipping insertion in model container [2025-01-09 17:25:56,957 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:25:56" (1/1) ... [2025-01-09 17:25:57,036 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 17:25:57,244 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_push_harness.i[4497,4510] [2025-01-09 17:25:57,251 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_push_harness.i[4557,4570] [2025-01-09 17:25:57,826 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:57,827 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:57,827 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:57,828 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:57,828 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:57,838 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:57,838 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:57,840 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:57,840 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:57,844 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:57,844 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:57,845 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:57,845 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:58,190 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:58,195 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:58,244 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:58,245 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:58,245 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:58,245 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:58,245 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:58,246 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:58,246 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:58,246 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:58,246 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:58,247 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:58,247 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:58,247 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:58,247 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:58,251 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:58,251 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:58,251 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:58,252 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:58,254 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:58,254 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:58,259 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:58,260 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:58,260 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:58,275 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:25:58,301 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 17:25:58,311 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_push_harness.i[4497,4510] [2025-01-09 17:25:58,312 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_push_harness.i[4557,4570] [2025-01-09 17:25:58,352 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:58,352 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:58,352 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:58,353 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:58,354 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:58,363 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:58,366 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:58,367 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:58,368 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:58,368 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:58,369 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:58,369 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:58,370 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:58,449 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:58,454 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:58,461 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7771-7782] [2025-01-09 17:25:58,523 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:58,523 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:58,523 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:58,524 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:58,524 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:58,525 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:58,525 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:58,526 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:58,526 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:58,526 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:58,526 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:58,527 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:58,527 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:58,528 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:58,528 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:58,528 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:58,529 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:58,530 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:58,532 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:58,537 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:58,538 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:58,538 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:25:58,545 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:25:58,715 INFO L204 MainTranslator]: Completed translation [2025-01-09 17:25:58,716 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:25:58 WrapperNode [2025-01-09 17:25:58,716 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 17:25:58,717 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 17:25:58,717 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 17:25:58,718 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 17:25:58,722 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:25:58" (1/1) ... [2025-01-09 17:25:58,799 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:25:58" (1/1) ... [2025-01-09 17:25:58,876 INFO L138 Inliner]: procedures = 686, calls = 1891, calls flagged for inlining = 59, calls inlined = 19, statements flattened = 1192 [2025-01-09 17:25:58,876 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 17:25:58,877 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 17:25:58,877 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 17:25:58,877 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 17:25:58,884 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:25:58" (1/1) ... [2025-01-09 17:25:58,885 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:25:58" (1/1) ... [2025-01-09 17:25:58,899 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:25:58" (1/1) ... [2025-01-09 17:25:58,988 INFO L175 MemorySlicer]: Split 385 memory accesses to 6 slices as follows [238, 2, 7, 9, 24, 105]. 62 percent of accesses are in the largest equivalence class. The 16 initializations are split as follows [6, 2, 2, 1, 5, 0]. The 268 writes are split as follows [232, 0, 1, 1, 8, 26]. [2025-01-09 17:25:58,992 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:25:58" (1/1) ... [2025-01-09 17:25:58,993 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:25:58" (1/1) ... [2025-01-09 17:25:59,040 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:25:58" (1/1) ... [2025-01-09 17:25:59,044 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:25:58" (1/1) ... [2025-01-09 17:25:59,048 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:25:58" (1/1) ... [2025-01-09 17:25:59,056 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:25:58" (1/1) ... [2025-01-09 17:25:59,059 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:25:58" (1/1) ... [2025-01-09 17:25:59,067 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 17:25:59,068 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 17:25:59,068 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 17:25:59,068 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 17:25:59,068 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:25:58" (1/1) ... [2025-01-09 17:25:59,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:25:59,089 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:25:59,104 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 17:25:59,114 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 17:25:59,129 INFO L130 BoogieDeclarations]: Found specification of procedure s_swap [2025-01-09 17:25:59,129 INFO L138 BoogieDeclarations]: Found implementation of procedure s_swap [2025-01-09 17:25:59,130 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_init_dynamic [2025-01-09 17:25:59,130 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_init_dynamic [2025-01-09 17:25:59,130 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2025-01-09 17:25:59,130 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2025-01-09 17:25:59,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 17:25:59,130 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2025-01-09 17:25:59,130 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2025-01-09 17:25:59,130 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2025-01-09 17:25:59,131 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2025-01-09 17:25:59,131 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-01-09 17:25:59,131 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-01-09 17:25:59,131 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2025-01-09 17:25:59,131 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2025-01-09 17:25:59,131 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_up [2025-01-09 17:25:59,131 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_up [2025-01-09 17:25:59,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-01-09 17:25:59,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-01-09 17:25:59,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-01-09 17:25:59,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-01-09 17:25:59,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-01-09 17:25:59,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-01-09 17:25:59,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-09 17:25:59,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-09 17:25:59,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-09 17:25:59,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-01-09 17:25:59,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-01-09 17:25:59,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-01-09 17:25:59,132 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-01-09 17:25:59,132 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-01-09 17:25:59,132 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-01-09 17:25:59,132 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-01-09 17:25:59,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-09 17:25:59,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 17:25:59,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-01-09 17:25:59,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-01-09 17:25:59,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-01-09 17:25:59,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-01-09 17:25:59,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-01-09 17:25:59,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-01-09 17:25:59,134 INFO L130 BoogieDeclarations]: Found specification of procedure my_abort [2025-01-09 17:25:59,134 INFO L138 BoogieDeclarations]: Found implementation of procedure my_abort [2025-01-09 17:25:59,134 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2025-01-09 17:25:59,134 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2025-01-09 17:25:59,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 17:25:59,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 17:25:59,134 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-01-09 17:25:59,134 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-01-09 17:25:59,134 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2025-01-09 17:25:59,134 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2025-01-09 17:25:59,134 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-01-09 17:25:59,134 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-01-09 17:25:59,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-01-09 17:25:59,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-01-09 17:25:59,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-01-09 17:25:59,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-01-09 17:25:59,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-01-09 17:25:59,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-01-09 17:25:59,134 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2025-01-09 17:25:59,134 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2025-01-09 17:25:59,134 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2025-01-09 17:25:59,134 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2025-01-09 17:25:59,134 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2025-01-09 17:25:59,134 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2025-01-09 17:25:59,135 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2025-01-09 17:25:59,135 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2025-01-09 17:25:59,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-01-09 17:25:59,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-01-09 17:25:59,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-01-09 17:25:59,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-01-09 17:25:59,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-01-09 17:25:59,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2025-01-09 17:25:59,135 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-01-09 17:25:59,135 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-01-09 17:25:59,135 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-01-09 17:25:59,135 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-01-09 17:25:59,135 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-01-09 17:25:59,135 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2025-01-09 17:25:59,135 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 17:25:59,135 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 17:25:59,135 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2025-01-09 17:25:59,135 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2025-01-09 17:25:59,135 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_pop_back [2025-01-09 17:25:59,135 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_pop_back [2025-01-09 17:25:59,135 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2025-01-09 17:25:59,135 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2025-01-09 17:25:59,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 17:25:59,135 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2025-01-09 17:25:59,135 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2025-01-09 17:25:59,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-01-09 17:25:59,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-01-09 17:25:59,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-01-09 17:25:59,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-01-09 17:25:59,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-01-09 17:25:59,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-01-09 17:25:59,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-01-09 17:25:59,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-01-09 17:25:59,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-01-09 17:25:59,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-01-09 17:25:59,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-01-09 17:25:59,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-01-09 17:25:59,135 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2025-01-09 17:25:59,135 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2025-01-09 17:25:59,135 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-01-09 17:25:59,135 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-01-09 17:25:59,135 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-01-09 17:25:59,135 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-01-09 17:25:59,135 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2025-01-09 17:25:59,135 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2025-01-09 17:25:59,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-09 17:25:59,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-09 17:25:59,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-09 17:25:59,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-01-09 17:25:59,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-01-09 17:25:59,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-01-09 17:25:59,136 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2025-01-09 17:25:59,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2025-01-09 17:25:59,138 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_set_at [2025-01-09 17:25:59,138 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_set_at [2025-01-09 17:25:59,138 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2025-01-09 17:25:59,138 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2025-01-09 17:25:59,138 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-01-09 17:25:59,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-01-09 17:25:59,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 17:25:59,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 17:25:59,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 17:25:59,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 17:25:59,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-01-09 17:25:59,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-01-09 17:25:59,477 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 17:25:59,480 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 17:26:06,198 INFO L? ?]: Removed 321 outVars from TransFormulas that were not future-live. [2025-01-09 17:26:06,198 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 17:26:06,227 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 17:26:06,227 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-09 17:26:06,227 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:26:06 BoogieIcfgContainer [2025-01-09 17:26:06,227 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 17:26:06,229 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 17:26:06,229 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 17:26:06,232 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 17:26:06,232 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 05:25:56" (1/3) ... [2025-01-09 17:26:06,233 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29c5482c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:26:06, skipping insertion in model container [2025-01-09 17:26:06,233 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:25:58" (2/3) ... [2025-01-09 17:26:06,233 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29c5482c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:26:06, skipping insertion in model container [2025-01-09 17:26:06,233 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:26:06" (3/3) ... [2025-01-09 17:26:06,234 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_push_harness.i [2025-01-09 17:26:06,248 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 17:26:06,249 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_priority_queue_push_harness.i that has 39 procedures, 569 locations, 1 initial locations, 10 loop locations, and 2 error locations. [2025-01-09 17:26:06,303 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 17:26:06,312 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;@48ce7b51, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 17:26:06,312 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-01-09 17:26:06,317 INFO L276 IsEmpty]: Start isEmpty. Operand has 553 states, 315 states have (on average 1.234920634920635) internal successors, (389), 318 states have internal predecessors, (389), 202 states have call successors, (202), 34 states have call predecessors, (202), 34 states have return successors, (202), 202 states have call predecessors, (202), 202 states have call successors, (202) [2025-01-09 17:26:06,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2025-01-09 17:26:06,334 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:26:06,334 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 6, 6, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:26:06,335 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:26:06,338 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:26:06,339 INFO L85 PathProgramCache]: Analyzing trace with hash -955638280, now seen corresponding path program 1 times [2025-01-09 17:26:06,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:26:06,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230343139] [2025-01-09 17:26:06,344 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:26:06,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:26:10,899 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 197 statements into 1 equivalence classes. [2025-01-09 17:26:11,225 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 197 of 197 statements. [2025-01-09 17:26:11,225 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:26:11,225 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:26:11,684 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 372 trivial. 0 not checked. [2025-01-09 17:26:11,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:26:11,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230343139] [2025-01-09 17:26:11,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1230343139] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:26:11,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1757017200] [2025-01-09 17:26:11,687 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:26:11,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:26:11,688 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:26:11,695 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 17:26:11,695 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 17:26:16,103 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 197 statements into 1 equivalence classes. [2025-01-09 17:26:16,578 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 197 of 197 statements. [2025-01-09 17:26:16,579 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:26:16,579 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:26:16,597 INFO L256 TraceCheckSpWp]: Trace formula consists of 4661 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-09 17:26:16,606 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 17:26:16,622 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 372 trivial. 0 not checked. [2025-01-09 17:26:16,622 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 17:26:16,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1757017200] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 17:26:16,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 17:26:16,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-01-09 17:26:16,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971320501] [2025-01-09 17:26:16,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 17:26:16,626 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-09 17:26:16,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 17:26:16,639 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-09 17:26:16,639 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 17:26:16,642 INFO L87 Difference]: Start difference. First operand has 553 states, 315 states have (on average 1.234920634920635) internal successors, (389), 318 states have internal predecessors, (389), 202 states have call successors, (202), 34 states have call predecessors, (202), 34 states have return successors, (202), 202 states have call predecessors, (202), 202 states have call successors, (202) Second operand has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2025-01-09 17:26:16,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 17:26:16,701 INFO L93 Difference]: Finished difference Result 1078 states and 1668 transitions. [2025-01-09 17:26:16,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-09 17:26:16,703 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 197 [2025-01-09 17:26:16,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 17:26:16,712 INFO L225 Difference]: With dead ends: 1078 [2025-01-09 17:26:16,712 INFO L226 Difference]: Without dead ends: 546 [2025-01-09 17:26:16,718 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 198 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 17:26:16,720 INFO L435 NwaCegarLoop]: 786 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, 786 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 17:26:16,720 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 786 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 17:26:16,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 546 states. [2025-01-09 17:26:16,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 546 to 546. [2025-01-09 17:26:16,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 546 states, 309 states have (on average 1.226537216828479) internal successors, (379), 311 states have internal predecessors, (379), 202 states have call successors, (202), 34 states have call predecessors, (202), 33 states have return successors, (200), 200 states have call predecessors, (200), 200 states have call successors, (200) [2025-01-09 17:26:16,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 781 transitions. [2025-01-09 17:26:16,780 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 781 transitions. Word has length 197 [2025-01-09 17:26:16,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 17:26:16,781 INFO L471 AbstractCegarLoop]: Abstraction has 546 states and 781 transitions. [2025-01-09 17:26:16,781 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2025-01-09 17:26:16,781 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 781 transitions. [2025-01-09 17:26:16,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2025-01-09 17:26:16,784 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:26:16,784 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 6, 6, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:26:16,799 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-01-09 17:26:16,989 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 17:26:16,989 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:26:16,990 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:26:16,990 INFO L85 PathProgramCache]: Analyzing trace with hash 1483935866, now seen corresponding path program 1 times [2025-01-09 17:26:16,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:26:16,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823299402] [2025-01-09 17:26:16,990 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:26:16,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:26:20,883 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 197 statements into 1 equivalence classes. [2025-01-09 17:26:21,019 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 197 of 197 statements. [2025-01-09 17:26:21,019 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:26:21,019 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:26:22,114 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2025-01-09 17:26:22,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:26:22,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823299402] [2025-01-09 17:26:22,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [823299402] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:26:22,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1476506951] [2025-01-09 17:26:22,114 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:26:22,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:26:22,115 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:26:22,121 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 17:26:22,130 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 17:26:26,381 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 197 statements into 1 equivalence classes. [2025-01-09 17:26:26,825 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 197 of 197 statements. [2025-01-09 17:26:26,825 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:26:26,825 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:26:26,846 INFO L256 TraceCheckSpWp]: Trace formula consists of 4661 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-09 17:26:26,853 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 17:26:27,972 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2025-01-09 17:26:27,973 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 17:26:27,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1476506951] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 17:26:27,973 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 17:26:27,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2025-01-09 17:26:27,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888189778] [2025-01-09 17:26:27,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 17:26:27,977 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 17:26:27,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 17:26:27,978 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 17:26:27,978 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2025-01-09 17:26:27,978 INFO L87 Difference]: Start difference. First operand 546 states and 781 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 3 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2025-01-09 17:26:31,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 17:26:31,607 INFO L93 Difference]: Finished difference Result 1046 states and 1510 transitions. [2025-01-09 17:26:31,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 17:26:31,608 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 3 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 197 [2025-01-09 17:26:31,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 17:26:31,620 INFO L225 Difference]: With dead ends: 1046 [2025-01-09 17:26:31,620 INFO L226 Difference]: Without dead ends: 548 [2025-01-09 17:26:31,623 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2025-01-09 17:26:31,623 INFO L435 NwaCegarLoop]: 704 mSDtfsCounter, 791 mSDsluCounter, 2025 mSDsCounter, 0 mSdLazyCounter, 269 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 795 SdHoareTripleChecker+Valid, 2729 SdHoareTripleChecker+Invalid, 372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2025-01-09 17:26:31,624 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [795 Valid, 2729 Invalid, 372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 269 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2025-01-09 17:26:31,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2025-01-09 17:26:31,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 548. [2025-01-09 17:26:31,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 548 states, 310 states have (on average 1.2258064516129032) internal successors, (380), 313 states have internal predecessors, (380), 202 states have call successors, (202), 34 states have call predecessors, (202), 34 states have return successors, (210), 200 states have call predecessors, (210), 200 states have call successors, (210) [2025-01-09 17:26:31,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 548 states and 792 transitions. [2025-01-09 17:26:31,666 INFO L78 Accepts]: Start accepts. Automaton has 548 states and 792 transitions. Word has length 197 [2025-01-09 17:26:31,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 17:26:31,667 INFO L471 AbstractCegarLoop]: Abstraction has 548 states and 792 transitions. [2025-01-09 17:26:31,667 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 3 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2025-01-09 17:26:31,667 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 792 transitions. [2025-01-09 17:26:31,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2025-01-09 17:26:31,673 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:26:31,673 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 6, 6, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 17:26:31,688 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-01-09 17:26:31,874 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:26:31,874 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:26:31,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:26:31,876 INFO L85 PathProgramCache]: Analyzing trace with hash 1498861906, now seen corresponding path program 1 times [2025-01-09 17:26:31,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:26:31,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065936376] [2025-01-09 17:26:31,876 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:26:31,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:26:35,891 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 205 statements into 1 equivalence classes. [2025-01-09 17:26:35,991 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 205 of 205 statements. [2025-01-09 17:26:35,992 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:26:35,992 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:26:37,382 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 393 trivial. 0 not checked. [2025-01-09 17:26:37,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:26:37,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065936376] [2025-01-09 17:26:37,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2065936376] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:26:37,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1758300505] [2025-01-09 17:26:37,382 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:26:37,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:26:37,383 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:26:37,385 INFO L229 MonitoredProcess]: Starting monitored process 4 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 17:26:37,387 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-01-09 17:26:41,873 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 205 statements into 1 equivalence classes. [2025-01-09 17:26:42,327 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 205 of 205 statements. [2025-01-09 17:26:42,327 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:26:42,327 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:26:42,349 INFO L256 TraceCheckSpWp]: Trace formula consists of 4711 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-01-09 17:26:42,358 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 17:26:44,133 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2025-01-09 17:26:44,133 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 17:26:44,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1758300505] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 17:26:44,133 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 17:26:44,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [7] total 13 [2025-01-09 17:26:44,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450703877] [2025-01-09 17:26:44,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 17:26:44,134 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-09 17:26:44,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 17:26:44,136 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-09 17:26:44,137 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2025-01-09 17:26:44,137 INFO L87 Difference]: Start difference. First operand 548 states and 792 transitions. Second operand has 8 states, 8 states have (on average 9.125) internal successors, (73), 8 states have internal predecessors, (73), 4 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2025-01-09 17:26:52,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 17:26:52,259 INFO L93 Difference]: Finished difference Result 1069 states and 1590 transitions. [2025-01-09 17:26:52,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-09 17:26:52,260 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.125) internal successors, (73), 8 states have internal predecessors, (73), 4 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) Word has length 205 [2025-01-09 17:26:52,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 17:26:52,265 INFO L225 Difference]: With dead ends: 1069 [2025-01-09 17:26:52,265 INFO L226 Difference]: Without dead ends: 569 [2025-01-09 17:26:52,268 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=56, Invalid=286, Unknown=0, NotChecked=0, Total=342 [2025-01-09 17:26:52,268 INFO L435 NwaCegarLoop]: 688 mSDtfsCounter, 822 mSDsluCounter, 3267 mSDsCounter, 0 mSdLazyCounter, 693 mSolverCounterSat, 118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 853 SdHoareTripleChecker+Valid, 3955 SdHoareTripleChecker+Invalid, 811 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 693 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2025-01-09 17:26:52,268 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [853 Valid, 3955 Invalid, 811 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [118 Valid, 693 Invalid, 0 Unknown, 0 Unchecked, 7.2s Time] [2025-01-09 17:26:52,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 569 states. [2025-01-09 17:26:52,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 569 to 567. [2025-01-09 17:26:52,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 567 states, 326 states have (on average 1.2331288343558282) internal successors, (402), 329 states have internal predecessors, (402), 204 states have call successors, (204), 34 states have call predecessors, (204), 35 states have return successors, (244), 203 states have call predecessors, (244), 202 states have call successors, (244) [2025-01-09 17:26:52,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 567 states and 850 transitions. [2025-01-09 17:26:52,303 INFO L78 Accepts]: Start accepts. Automaton has 567 states and 850 transitions. Word has length 205 [2025-01-09 17:26:52,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 17:26:52,303 INFO L471 AbstractCegarLoop]: Abstraction has 567 states and 850 transitions. [2025-01-09 17:26:52,304 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.125) internal successors, (73), 8 states have internal predecessors, (73), 4 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2025-01-09 17:26:52,304 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 850 transitions. [2025-01-09 17:26:52,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2025-01-09 17:26:52,306 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:26:52,306 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 6, 6, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:26:52,324 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-01-09 17:26:52,506 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:26:52,507 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:26:52,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:26:52,508 INFO L85 PathProgramCache]: Analyzing trace with hash 1468096396, now seen corresponding path program 1 times [2025-01-09 17:26:52,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:26:52,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605067109] [2025-01-09 17:26:52,508 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:26:52,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:26:56,332 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 220 statements into 1 equivalence classes. [2025-01-09 17:26:56,475 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 220 of 220 statements. [2025-01-09 17:26:56,476 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:26:56,476 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:26:58,085 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2025-01-09 17:26:58,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:26:58,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605067109] [2025-01-09 17:26:58,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605067109] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:26:58,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2105205437] [2025-01-09 17:26:58,086 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:26:58,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:26:58,086 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:26:58,089 INFO L229 MonitoredProcess]: Starting monitored process 5 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 17:26:58,090 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-01-09 17:27:02,582 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 220 statements into 1 equivalence classes. [2025-01-09 17:27:03,077 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 220 of 220 statements. [2025-01-09 17:27:03,078 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:27:03,078 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:27:03,105 INFO L256 TraceCheckSpWp]: Trace formula consists of 4838 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-01-09 17:27:03,112 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 17:27:04,611 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2025-01-09 17:27:04,613 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 17:27:04,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2105205437] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 17:27:04,614 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 17:27:04,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2025-01-09 17:27:04,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051546824] [2025-01-09 17:27:04,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 17:27:04,615 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-09 17:27:04,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 17:27:04,615 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-09 17:27:04,619 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2025-01-09 17:27:04,620 INFO L87 Difference]: Start difference. First operand 567 states and 850 transitions. Second operand has 7 states, 7 states have (on average 12.0) internal successors, (84), 7 states have internal predecessors, (84), 4 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (34), 4 states have call predecessors, (34), 4 states have call successors, (34) [2025-01-09 17:27:09,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 17:27:09,677 INFO L93 Difference]: Finished difference Result 1092 states and 1661 transitions. [2025-01-09 17:27:09,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-09 17:27:09,678 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 7 states have internal predecessors, (84), 4 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (34), 4 states have call predecessors, (34), 4 states have call successors, (34) Word has length 220 [2025-01-09 17:27:09,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 17:27:09,687 INFO L225 Difference]: With dead ends: 1092 [2025-01-09 17:27:09,687 INFO L226 Difference]: Without dead ends: 573 [2025-01-09 17:27:09,694 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 230 GetRequests, 216 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2025-01-09 17:27:09,695 INFO L435 NwaCegarLoop]: 696 mSDtfsCounter, 807 mSDsluCounter, 2669 mSDsCounter, 0 mSdLazyCounter, 396 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 811 SdHoareTripleChecker+Valid, 3365 SdHoareTripleChecker+Invalid, 503 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 396 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2025-01-09 17:27:09,696 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [811 Valid, 3365 Invalid, 503 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 396 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2025-01-09 17:27:09,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 573 states. [2025-01-09 17:27:09,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 573 to 567. [2025-01-09 17:27:09,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 567 states, 326 states have (on average 1.2331288343558282) internal successors, (402), 329 states have internal predecessors, (402), 204 states have call successors, (204), 34 states have call predecessors, (204), 35 states have return successors, (244), 203 states have call predecessors, (244), 202 states have call successors, (244) [2025-01-09 17:27:09,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 567 states and 850 transitions. [2025-01-09 17:27:09,736 INFO L78 Accepts]: Start accepts. Automaton has 567 states and 850 transitions. Word has length 220 [2025-01-09 17:27:09,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 17:27:09,737 INFO L471 AbstractCegarLoop]: Abstraction has 567 states and 850 transitions. [2025-01-09 17:27:09,737 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 7 states have internal predecessors, (84), 4 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (34), 4 states have call predecessors, (34), 4 states have call successors, (34) [2025-01-09 17:27:09,737 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 850 transitions. [2025-01-09 17:27:09,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2025-01-09 17:27:09,740 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:27:09,741 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 6, 6, 5, 5, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:27:09,763 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-01-09 17:27:09,941 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:27:09,942 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:27:09,942 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:27:09,942 INFO L85 PathProgramCache]: Analyzing trace with hash 1550859203, now seen corresponding path program 1 times [2025-01-09 17:27:09,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:27:09,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077531965] [2025-01-09 17:27:09,943 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:27:09,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:27:13,813 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 236 statements into 1 equivalence classes. [2025-01-09 17:27:13,933 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 236 of 236 statements. [2025-01-09 17:27:13,933 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:27:13,933 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:27:15,434 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 406 trivial. 0 not checked. [2025-01-09 17:27:15,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:27:15,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077531965] [2025-01-09 17:27:15,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1077531965] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:27:15,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [578709637] [2025-01-09 17:27:15,435 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:27:15,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:27:15,435 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:27:15,438 INFO L229 MonitoredProcess]: Starting monitored process 6 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 17:27:15,439 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-01-09 17:27:20,078 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 236 statements into 1 equivalence classes. [2025-01-09 17:27:20,527 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 236 of 236 statements. [2025-01-09 17:27:20,527 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:27:20,527 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:27:20,551 INFO L256 TraceCheckSpWp]: Trace formula consists of 4910 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-01-09 17:27:20,561 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 17:27:22,843 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2025-01-09 17:27:22,846 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 17:27:22,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [578709637] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 17:27:22,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 17:27:22,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [8] total 15 [2025-01-09 17:27:22,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565533402] [2025-01-09 17:27:22,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 17:27:22,847 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-01-09 17:27:22,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 17:27:22,848 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-01-09 17:27:22,851 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2025-01-09 17:27:22,852 INFO L87 Difference]: Start difference. First operand 567 states and 850 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 9 states have internal predecessors, (98), 5 states have call successors, (37), 2 states have call predecessors, (37), 4 states have return successors, (35), 5 states have call predecessors, (35), 5 states have call successors, (35)