./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_hash_iter_next_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 48c9605d Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_hash_iter_next_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 839f41a2c3e360479cb51d794d3ab0f4c035e5d91806fe8b36886ee505a3f070 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 01:47:26,640 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 01:47:26,696 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-08 01:47:26,701 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 01:47:26,704 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 01:47:26,731 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 01:47:26,733 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 01:47:26,733 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 01:47:26,733 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 01:47:26,734 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 01:47:26,734 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 01:47:26,735 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 01:47:26,735 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 01:47:26,735 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 01:47:26,735 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 01:47:26,735 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 01:47:26,735 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 01:47:26,736 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 01:47:26,736 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 01:47:26,736 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 01:47:26,736 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 01:47:26,736 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 01:47:26,736 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 01:47:26,736 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 01:47:26,736 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 01:47:26,736 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 01:47:26,736 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 01:47:26,737 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 01:47:26,737 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 01:47:26,737 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:47:26,737 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 01:47:26,737 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 01:47:26,737 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 01:47:26,738 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 01:47:26,738 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 01:47:26,738 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 01:47:26,738 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 01:47:26,738 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 01:47:26,738 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 01:47:26,738 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 01:47:26,738 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 -> 839f41a2c3e360479cb51d794d3ab0f4c035e5d91806fe8b36886ee505a3f070 [2025-02-08 01:47:26,979 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 01:47:26,985 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 01:47:26,987 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 01:47:26,988 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 01:47:26,988 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 01:47:26,989 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_hash_iter_next_harness.i [2025-02-08 01:47:28,213 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0996b6517/d72e6690055c4387a2b00b6d42bda3bb/FLAG74405386f [2025-02-08 01:47:28,798 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 01:47:28,798 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_iter_next_harness.i [2025-02-08 01:47:28,836 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0996b6517/d72e6690055c4387a2b00b6d42bda3bb/FLAG74405386f [2025-02-08 01:47:28,849 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0996b6517/d72e6690055c4387a2b00b6d42bda3bb [2025-02-08 01:47:28,851 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 01:47:28,853 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 01:47:28,854 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 01:47:28,854 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 01:47:28,859 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 01:47:28,860 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:47:28" (1/1) ... [2025-02-08 01:47:28,861 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@724acb74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:47:28, skipping insertion in model container [2025-02-08 01:47:28,861 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:47:28" (1/1) ... [2025-02-08 01:47:28,932 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 01:47:29,142 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_hash_iter_next_harness.i[4492,4505] [2025-02-08 01:47:29,151 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_hash_iter_next_harness.i[4552,4565] [2025-02-08 01:47:29,878 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:29,879 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:29,883 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:29,883 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:29,884 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:29,898 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:29,899 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:29,900 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:29,900 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:29,901 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:29,902 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:29,902 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:29,903 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:30,603 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:30,603 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:30,620 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:30,621 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:30,624 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:30,626 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:30,635 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:30,639 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:30,639 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:30,639 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:30,640 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:30,640 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:30,640 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:30,664 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_hash_iter_next_harness.i[227890,227903] [2025-02-08 01:47:30,666 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:47:30,687 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 01:47:30,701 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_hash_iter_next_harness.i[4492,4505] [2025-02-08 01:47:30,701 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_hash_iter_next_harness.i[4552,4565] [2025-02-08 01:47:30,731 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:30,731 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:30,732 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:30,732 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:30,733 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:30,740 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:30,741 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:30,741 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:30,742 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:30,742 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:30,742 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:30,742 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:30,743 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:30,801 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7558-7569] [2025-02-08 01:47:30,912 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:30,912 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:30,917 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:30,917 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:30,919 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:30,919 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:30,924 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:30,927 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:30,927 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:30,928 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:30,928 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:30,929 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:30,929 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:30,945 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_hash_iter_next_harness.i[227890,227903] [2025-02-08 01:47:30,945 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:47:31,081 INFO L204 MainTranslator]: Completed translation [2025-02-08 01:47:31,081 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:47:31 WrapperNode [2025-02-08 01:47:31,081 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 01:47:31,082 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 01:47:31,082 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 01:47:31,082 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 01:47:31,086 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:47:31" (1/1) ... [2025-02-08 01:47:31,142 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:47:31" (1/1) ... [2025-02-08 01:47:31,200 INFO L138 Inliner]: procedures = 763, calls = 2447, calls flagged for inlining = 68, calls inlined = 11, statements flattened = 643 [2025-02-08 01:47:31,203 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 01:47:31,204 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 01:47:31,204 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 01:47:31,204 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 01:47:31,213 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:47:31" (1/1) ... [2025-02-08 01:47:31,213 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:47:31" (1/1) ... [2025-02-08 01:47:31,220 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:47:31" (1/1) ... [2025-02-08 01:47:31,271 INFO L175 MemorySlicer]: Split 329 memory accesses to 9 slices as follows [238, 2, 8, 43, 6, 22, 2, 3, 5]. 72 percent of accesses are in the largest equivalence class. The 22 initializations are split as follows [6, 2, 0, 9, 0, 0, 0, 0, 5]. The 247 writes are split as follows [232, 0, 1, 9, 2, 1, 1, 1, 0]. [2025-02-08 01:47:31,271 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:47:31" (1/1) ... [2025-02-08 01:47:31,274 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:47:31" (1/1) ... [2025-02-08 01:47:31,308 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:47:31" (1/1) ... [2025-02-08 01:47:31,313 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:47:31" (1/1) ... [2025-02-08 01:47:31,323 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:47:31" (1/1) ... [2025-02-08 01:47:31,331 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:47:31" (1/1) ... [2025-02-08 01:47:31,341 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 01:47:31,342 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 01:47:31,342 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 01:47:31,342 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 01:47:31,343 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:47:31" (1/1) ... [2025-02-08 01:47:31,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:47:31,358 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:47:31,372 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-08 01:47:31,375 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-08 01:47:31,391 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2025-02-08 01:47:31,391 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2025-02-08 01:47:31,391 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2025-02-08 01:47:31,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2025-02-08 01:47:31,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2025-02-08 01:47:31,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2025-02-08 01:47:31,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2025-02-08 01:47:31,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2025-02-08 01:47:31,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2025-02-08 01:47:31,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 01:47:31,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-08 01:47:31,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-08 01:47:31,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-08 01:47:31,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-08 01:47:31,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-08 01:47:31,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-02-08 01:47:31,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-02-08 01:47:31,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-02-08 01:47:31,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-02-08 01:47:31,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-08 01:47:31,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-08 01:47:31,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-08 01:47:31,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-08 01:47:31,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-08 01:47:31,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-08 01:47:31,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-02-08 01:47:31,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-02-08 01:47:31,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-02-08 01:47:31,395 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-02-08 01:47:31,395 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-02-08 01:47:31,395 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-08 01:47:31,395 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-08 01:47:31,395 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2025-02-08 01:47:31,395 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2025-02-08 01:47:31,395 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-08 01:47:31,395 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 01:47:31,395 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_iter_next [2025-02-08 01:47:31,396 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_iter_next [2025-02-08 01:47:31,396 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2025-02-08 01:47:31,396 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2025-02-08 01:47:31,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-08 01:47:31,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-08 01:47:31,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-08 01:47:31,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-08 01:47:31,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-08 01:47:31,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-02-08 01:47:31,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-02-08 01:47:31,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-02-08 01:47:31,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-02-08 01:47:31,397 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 01:47:31,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 01:47:31,397 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-08 01:47:31,397 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-08 01:47:31,397 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-02-08 01:47:31,397 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-02-08 01:47:31,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-08 01:47:31,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-08 01:47:31,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-08 01:47:31,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-08 01:47:31,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-08 01:47:31,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-02-08 01:47:31,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-02-08 01:47:31,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-02-08 01:47:31,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-02-08 01:47:31,397 INFO L130 BoogieDeclarations]: Found specification of procedure s_get_next_element [2025-02-08 01:47:31,397 INFO L138 BoogieDeclarations]: Found implementation of procedure s_get_next_element [2025-02-08 01:47:31,397 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-08 01:47:31,397 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-08 01:47:31,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-08 01:47:31,398 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_iter_is_valid [2025-02-08 01:47:31,398 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_iter_is_valid [2025-02-08 01:47:31,398 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2025-02-08 01:47:31,398 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2025-02-08 01:47:31,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-08 01:47:31,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-08 01:47:31,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-08 01:47:31,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-08 01:47:31,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-08 01:47:31,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-02-08 01:47:31,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-02-08 01:47:31,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-02-08 01:47:31,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-02-08 01:47:31,398 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2025-02-08 01:47:31,398 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2025-02-08 01:47:31,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-08 01:47:31,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-08 01:47:31,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-08 01:47:31,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-08 01:47:31,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-08 01:47:31,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-02-08 01:47:31,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-02-08 01:47:31,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-02-08 01:47:31,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-02-08 01:47:31,400 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-02-08 01:47:31,400 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-02-08 01:47:31,400 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2025-02-08 01:47:31,400 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2025-02-08 01:47:31,400 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-02-08 01:47:31,400 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-02-08 01:47:31,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-08 01:47:31,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-08 01:47:31,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-08 01:47:31,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-08 01:47:31,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-08 01:47:31,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-08 01:47:31,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-02-08 01:47:31,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-02-08 01:47:31,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-02-08 01:47:31,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 01:47:31,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-08 01:47:31,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-08 01:47:31,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-08 01:47:31,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-08 01:47:31,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-08 01:47:31,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-02-08 01:47:31,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-02-08 01:47:31,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-02-08 01:47:31,401 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2025-02-08 01:47:31,401 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2025-02-08 01:47:31,716 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 01:47:31,717 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 01:47:31,763 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6947: havoc #t~malloc588.base, #t~malloc588.offset; [2025-02-08 01:47:31,794 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2590: havoc #t~ret57#1; [2025-02-08 01:47:31,796 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-02-08 01:47:31,955 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L10103: call ULTIMATE.dealloc(~#elemsize~0.base, ~#elemsize~0.offset);havoc ~#elemsize~0.base, ~#elemsize~0.offset; [2025-02-08 01:47:32,007 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9990: havoc #t~mem1489.base, #t~mem1489.offset;havoc #t~short1490;havoc #t~mem1491.base, #t~mem1491.offset;havoc #t~ret1492;havoc #t~short1493; [2025-02-08 01:47:32,028 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2630: havoc #t~bitwise60;havoc #t~short61; [2025-02-08 01:47:32,038 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2617: havoc #t~ret59#1; [2025-02-08 01:47:37,538 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1;save_byte_from_array_#t~ret633#1 := nondet_size_t_#res#1;havoc nondet_size_t_#t~nondet6#1;assume { :end_inline_nondet_size_t } true;call write~int#4(save_byte_from_array_#t~ret633#1, save_byte_from_array_~storage#1.base, save_byte_from_array_~storage#1.offset, 8);havoc save_byte_from_array_#t~ret633#1;call save_byte_from_array_#t~mem634#1 := read~int#4(save_byte_from_array_~storage#1.base, save_byte_from_array_~storage#1.offset, 8); [2025-02-08 01:47:37,539 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7198: havoc save_byte_from_array_#t~mem634#1;call save_byte_from_array_#t~mem635#1 := read~int#4(save_byte_from_array_~storage#1.base, save_byte_from_array_~storage#1.offset, 8);call save_byte_from_array_#t~mem636#1 := read~int#5(save_byte_from_array_~array#1.base, save_byte_from_array_~array#1.offset + (if save_byte_from_array_#t~mem635#1 % 18446744073709551616 % 18446744073709551616 <= 9223372036854775807 then save_byte_from_array_#t~mem635#1 % 18446744073709551616 % 18446744073709551616 else save_byte_from_array_#t~mem635#1 % 18446744073709551616 % 18446744073709551616 - 18446744073709551616), 1);call write~int#4(save_byte_from_array_#t~mem636#1, save_byte_from_array_~storage#1.base, 8 + save_byte_from_array_~storage#1.offset, 1);havoc save_byte_from_array_#t~mem635#1;havoc save_byte_from_array_#t~mem636#1; [2025-02-08 01:47:37,539 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7198-1: SUMMARY for call assume_abort_if_not((if 0 == (if save_byte_from_array_#t~mem634#1 % 18446744073709551616 < save_byte_from_array_~size#1 % 18446744073709551616 then 1 else 0) then 0 else 1)); srcloc: null [2025-02-08 01:47:37,629 INFO L? ?]: Removed 146 outVars from TransFormulas that were not future-live. [2025-02-08 01:47:37,630 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 01:47:37,645 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 01:47:37,645 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 01:47:37,645 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:47:37 BoogieIcfgContainer [2025-02-08 01:47:37,645 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 01:47:37,649 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 01:47:37,649 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 01:47:37,653 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 01:47:37,653 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 01:47:28" (1/3) ... [2025-02-08 01:47:37,654 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@519597b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:47:37, skipping insertion in model container [2025-02-08 01:47:37,654 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:47:31" (2/3) ... [2025-02-08 01:47:37,655 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@519597b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:47:37, skipping insertion in model container [2025-02-08 01:47:37,655 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:47:37" (3/3) ... [2025-02-08 01:47:37,655 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_hash_iter_next_harness.i [2025-02-08 01:47:37,666 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 01:47:37,667 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_hash_iter_next_harness.i that has 17 procedures, 161 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-02-08 01:47:37,709 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 01:47:37,718 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;@1d50d637, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 01:47:37,718 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-08 01:47:37,722 INFO L276 IsEmpty]: Start isEmpty. Operand has 161 states, 98 states have (on average 1.2857142857142858) internal successors, (126), 102 states have internal predecessors, (126), 42 states have call successors, (42), 16 states have call predecessors, (42), 16 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2025-02-08 01:47:37,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2025-02-08 01:47:37,732 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:47:37,732 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 01:47:37,733 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:47:37,736 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:47:37,736 INFO L85 PathProgramCache]: Analyzing trace with hash -503260107, now seen corresponding path program 1 times [2025-02-08 01:47:37,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:47:37,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213239589] [2025-02-08 01:47:37,743 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:47:37,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:47:42,518 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 150 statements into 1 equivalence classes. [2025-02-08 01:47:42,843 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 150 of 150 statements. [2025-02-08 01:47:42,845 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:47:42,845 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:47:43,364 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2025-02-08 01:47:43,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:47:43,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213239589] [2025-02-08 01:47:43,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1213239589] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:47:43,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [396616240] [2025-02-08 01:47:43,367 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:47:43,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:47:43,368 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:47:43,371 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 01:47:43,374 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-08 01:47:47,978 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 150 statements into 1 equivalence classes. [2025-02-08 01:47:48,553 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 150 of 150 statements. [2025-02-08 01:47:48,553 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:47:48,553 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:47:48,578 INFO L256 TraceCheckSpWp]: Trace formula consists of 4560 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-08 01:47:48,604 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 01:47:48,639 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2025-02-08 01:47:48,639 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 01:47:48,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [396616240] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 01:47:48,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 01:47:48,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-02-08 01:47:48,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213467403] [2025-02-08 01:47:48,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 01:47:48,648 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-08 01:47:48,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 01:47:48,664 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-08 01:47:48,665 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 01:47:48,667 INFO L87 Difference]: Start difference. First operand has 161 states, 98 states have (on average 1.2857142857142858) internal successors, (126), 102 states have internal predecessors, (126), 42 states have call successors, (42), 16 states have call predecessors, (42), 16 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) Second operand has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2025-02-08 01:47:48,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 01:47:48,708 INFO L93 Difference]: Finished difference Result 315 states and 445 transitions. [2025-02-08 01:47:48,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-08 01:47:48,711 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 150 [2025-02-08 01:47:48,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 01:47:48,720 INFO L225 Difference]: With dead ends: 315 [2025-02-08 01:47:48,720 INFO L226 Difference]: Without dead ends: 148 [2025-02-08 01:47:48,724 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 01:47:48,725 INFO L435 NwaCegarLoop]: 206 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 01:47:48,726 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 206 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 01:47:48,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2025-02-08 01:47:48,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2025-02-08 01:47:48,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 92 states have (on average 1.2391304347826086) internal successors, (114), 93 states have internal predecessors, (114), 40 states have call successors, (40), 15 states have call predecessors, (40), 15 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2025-02-08 01:47:48,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 193 transitions. [2025-02-08 01:47:48,756 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 193 transitions. Word has length 150 [2025-02-08 01:47:48,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 01:47:48,756 INFO L471 AbstractCegarLoop]: Abstraction has 148 states and 193 transitions. [2025-02-08 01:47:48,756 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2025-02-08 01:47:48,756 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 193 transitions. [2025-02-08 01:47:48,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2025-02-08 01:47:48,759 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:47:48,759 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 01:47:48,774 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-08 01:47:48,960 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-02-08 01:47:48,960 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:47:48,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:47:48,961 INFO L85 PathProgramCache]: Analyzing trace with hash 356817941, now seen corresponding path program 1 times [2025-02-08 01:47:48,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:47:48,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622412166] [2025-02-08 01:47:48,961 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:47:48,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:47:53,290 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 150 statements into 1 equivalence classes. [2025-02-08 01:47:53,404 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 150 of 150 statements. [2025-02-08 01:47:53,405 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:47:53,405 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:47:54,346 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2025-02-08 01:47:54,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:47:54,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622412166] [2025-02-08 01:47:54,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1622412166] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:47:54,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [167882628] [2025-02-08 01:47:54,346 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:47:54,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:47:54,346 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:47:54,349 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 01:47:54,351 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-02-08 01:47:58,847 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 150 statements into 1 equivalence classes. [2025-02-08 01:47:59,321 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 150 of 150 statements. [2025-02-08 01:47:59,322 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:47:59,322 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:47:59,340 INFO L256 TraceCheckSpWp]: Trace formula consists of 4560 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 01:47:59,346 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 01:48:01,316 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2025-02-08 01:48:01,317 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 01:48:01,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [167882628] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 01:48:01,317 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 01:48:01,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [4] total 8 [2025-02-08 01:48:01,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526662920] [2025-02-08 01:48:01,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 01:48:01,318 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 01:48:01,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 01:48:01,319 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 01:48:01,319 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2025-02-08 01:48:01,319 INFO L87 Difference]: Start difference. First operand 148 states and 193 transitions. Second operand has 6 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (24), 2 states have call predecessors, (24), 3 states have call successors, (24) [2025-02-08 01:48:05,379 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-08 01:48:08,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 01:48:08,120 INFO L93 Difference]: Finished difference Result 277 states and 366 transitions. [2025-02-08 01:48:08,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 01:48:08,120 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (24), 2 states have call predecessors, (24), 3 states have call successors, (24) Word has length 150 [2025-02-08 01:48:08,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 01:48:08,123 INFO L225 Difference]: With dead ends: 277 [2025-02-08 01:48:08,123 INFO L226 Difference]: Without dead ends: 154 [2025-02-08 01:48:08,128 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2025-02-08 01:48:08,129 INFO L435 NwaCegarLoop]: 162 mSDtfsCounter, 155 mSDsluCounter, 452 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 30 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 614 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2025-02-08 01:48:08,130 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 614 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 135 Invalid, 1 Unknown, 0 Unchecked, 6.3s Time] [2025-02-08 01:48:08,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2025-02-08 01:48:08,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 150. [2025-02-08 01:48:08,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 93 states have (on average 1.2365591397849462) internal successors, (115), 95 states have internal predecessors, (115), 40 states have call successors, (40), 15 states have call predecessors, (40), 16 states have return successors, (42), 39 states have call predecessors, (42), 39 states have call successors, (42) [2025-02-08 01:48:08,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 197 transitions. [2025-02-08 01:48:08,147 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 197 transitions. Word has length 150 [2025-02-08 01:48:08,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 01:48:08,148 INFO L471 AbstractCegarLoop]: Abstraction has 150 states and 197 transitions. [2025-02-08 01:48:08,148 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (24), 2 states have call predecessors, (24), 3 states have call successors, (24) [2025-02-08 01:48:08,148 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 197 transitions. [2025-02-08 01:48:08,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2025-02-08 01:48:08,150 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:48:08,151 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 01:48:08,176 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 [2025-02-08 01:48:08,351 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 [2025-02-08 01:48:08,352 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:48:08,353 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:48:08,353 INFO L85 PathProgramCache]: Analyzing trace with hash -150292759, now seen corresponding path program 1 times [2025-02-08 01:48:08,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:48:08,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134819078] [2025-02-08 01:48:08,353 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:48:08,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:48:12,021 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 151 statements into 1 equivalence classes. [2025-02-08 01:48:12,150 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 151 of 151 statements. [2025-02-08 01:48:12,151 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:48:12,151 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:48:12,893 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2025-02-08 01:48:12,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:48:12,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134819078] [2025-02-08 01:48:12,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1134819078] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:48:12,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [311418685] [2025-02-08 01:48:12,893 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:48:12,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:48:12,893 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:48:12,897 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) [2025-02-08 01:48:12,901 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 [2025-02-08 01:48:17,110 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 151 statements into 1 equivalence classes. [2025-02-08 01:48:17,502 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 151 of 151 statements. [2025-02-08 01:48:17,502 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:48:17,502 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:48:17,519 INFO L256 TraceCheckSpWp]: Trace formula consists of 4565 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 01:48:17,525 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 01:48:20,852 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 102 proven. 54 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2025-02-08 01:48:20,852 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 01:48:25,114 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2025-02-08 01:48:25,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [311418685] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 01:48:25,114 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 01:48:25,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 8, 8] total 15 [2025-02-08 01:48:25,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85421916] [2025-02-08 01:48:25,114 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 01:48:25,116 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-02-08 01:48:25,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 01:48:25,117 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-02-08 01:48:25,117 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2025-02-08 01:48:25,118 INFO L87 Difference]: Start difference. First operand 150 states and 197 transitions. Second operand has 15 states, 13 states have (on average 9.846153846153847) internal successors, (128), 13 states have internal predecessors, (128), 8 states have call successors, (63), 5 states have call predecessors, (63), 5 states have return successors, (59), 7 states have call predecessors, (59), 8 states have call successors, (59) [2025-02-08 01:48:29,168 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-08 01:48:33,772 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.60s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-08 01:48:42,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 01:48:42,661 INFO L93 Difference]: Finished difference Result 293 states and 390 transitions. [2025-02-08 01:48:42,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-08 01:48:42,662 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 9.846153846153847) internal successors, (128), 13 states have internal predecessors, (128), 8 states have call successors, (63), 5 states have call predecessors, (63), 5 states have return successors, (59), 7 states have call predecessors, (59), 8 states have call successors, (59) Word has length 151 [2025-02-08 01:48:42,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 01:48:42,664 INFO L225 Difference]: With dead ends: 293 [2025-02-08 01:48:42,664 INFO L226 Difference]: Without dead ends: 154 [2025-02-08 01:48:42,664 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 312 GetRequests, 291 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=76, Invalid=386, Unknown=0, NotChecked=0, Total=462 [2025-02-08 01:48:42,665 INFO L435 NwaCegarLoop]: 151 mSDtfsCounter, 249 mSDsluCounter, 1438 mSDsCounter, 0 mSdLazyCounter, 438 mSolverCounterSat, 119 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 1589 SdHoareTripleChecker+Invalid, 559 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 119 IncrementalHoareTripleChecker+Valid, 438 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.0s IncrementalHoareTripleChecker+Time [2025-02-08 01:48:42,665 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [251 Valid, 1589 Invalid, 559 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [119 Valid, 438 Invalid, 2 Unknown, 0 Unchecked, 16.0s Time] [2025-02-08 01:48:42,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2025-02-08 01:48:42,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 150. [2025-02-08 01:48:42,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 93 states have (on average 1.2258064516129032) internal successors, (114), 95 states have internal predecessors, (114), 40 states have call successors, (40), 15 states have call predecessors, (40), 16 states have return successors, (40), 39 states have call predecessors, (40), 39 states have call successors, (40) [2025-02-08 01:48:42,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 194 transitions. [2025-02-08 01:48:42,682 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 194 transitions. Word has length 151 [2025-02-08 01:48:42,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 01:48:42,683 INFO L471 AbstractCegarLoop]: Abstraction has 150 states and 194 transitions. [2025-02-08 01:48:42,683 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 9.846153846153847) internal successors, (128), 13 states have internal predecessors, (128), 8 states have call successors, (63), 5 states have call predecessors, (63), 5 states have return successors, (59), 7 states have call predecessors, (59), 8 states have call successors, (59) [2025-02-08 01:48:42,684 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 194 transitions. [2025-02-08 01:48:42,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2025-02-08 01:48:42,688 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:48:42,689 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 01:48:42,706 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-02-08 01:48:42,889 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 [2025-02-08 01:48:42,889 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:48:42,890 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:48:42,890 INFO L85 PathProgramCache]: Analyzing trace with hash -246483985, now seen corresponding path program 1 times [2025-02-08 01:48:42,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:48:42,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731876758] [2025-02-08 01:48:42,891 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:48:42,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:48:46,804 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 174 statements into 1 equivalence classes. [2025-02-08 01:48:46,932 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 174 of 174 statements. [2025-02-08 01:48:46,934 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:48:46,934 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:48:51,258 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2025-02-08 01:48:51,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:48:51,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731876758] [2025-02-08 01:48:51,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1731876758] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:48:51,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [135821703] [2025-02-08 01:48:51,259 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:48:51,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:48:51,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:48:51,261 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) [2025-02-08 01:48:51,262 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 [2025-02-08 01:48:55,895 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 174 statements into 1 equivalence classes. [2025-02-08 01:48:56,437 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 174 of 174 statements. [2025-02-08 01:48:56,437 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:48:56,437 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:48:56,458 INFO L256 TraceCheckSpWp]: Trace formula consists of 4758 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-08 01:48:56,462 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 01:49:01,942 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 6 proven. 132 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2025-02-08 01:49:01,942 INFO L312 TraceCheckSpWp]: Computing backward predicates...