./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_hash_iter_next_harness_negated.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_negated.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 ae7ce2997d0c5bef92b3aae09bb2841f55ee37a1af1fdc34a25a2ace43ce8e46 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 01:47:32,412 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 01:47:32,489 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-08 01:47:32,494 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 01:47:32,494 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 01:47:32,530 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 01:47:32,531 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 01:47:32,531 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 01:47:32,531 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 01:47:32,532 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 01:47:32,533 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 01:47:32,533 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 01:47:32,533 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 01:47:32,533 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 01:47:32,534 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 01:47:32,534 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 01:47:32,534 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 01:47:32,535 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 01:47:32,535 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 01:47:32,535 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 01:47:32,535 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 01:47:32,535 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 01:47:32,535 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 01:47:32,535 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 01:47:32,535 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 01:47:32,535 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 01:47:32,536 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 01:47:32,536 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 01:47:32,536 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 01:47:32,536 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:47:32,537 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 01:47:32,537 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 01:47:32,537 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 01:47:32,537 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 01:47:32,537 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 01:47:32,537 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 01:47:32,537 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 01:47:32,537 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 01:47:32,537 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 01:47:32,537 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 01:47:32,537 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 -> ae7ce2997d0c5bef92b3aae09bb2841f55ee37a1af1fdc34a25a2ace43ce8e46 [2025-02-08 01:47:32,818 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 01:47:32,828 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 01:47:32,831 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 01:47:32,832 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 01:47:32,832 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 01:47:32,833 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_hash_iter_next_harness_negated.i [2025-02-08 01:47:34,155 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6b4d24bdf/6f0174845b3a41a7844ec40c3c0a559c/FLAGe86bd69f4 [2025-02-08 01:47:34,816 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 01:47:34,817 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_iter_next_harness_negated.i [2025-02-08 01:47:34,865 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6b4d24bdf/6f0174845b3a41a7844ec40c3c0a559c/FLAGe86bd69f4 [2025-02-08 01:47:34,878 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6b4d24bdf/6f0174845b3a41a7844ec40c3c0a559c [2025-02-08 01:47:34,881 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 01:47:34,883 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 01:47:34,884 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 01:47:34,884 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 01:47:34,891 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 01:47:34,891 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:47:34" (1/1) ... [2025-02-08 01:47:34,892 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d18479d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:47:34, skipping insertion in model container [2025-02-08 01:47:34,892 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:47:34" (1/1) ... [2025-02-08 01:47:34,975 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 01:47:35,231 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_negated.i[4492,4505] [2025-02-08 01:47:35,241 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_negated.i[4552,4565] [2025-02-08 01:47:35,905 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:35,906 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:35,906 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:35,907 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:35,912 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:35,931 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:35,932 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:35,934 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:35,936 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:35,938 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:35,941 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:35,941 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:35,943 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:37,001 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:37,001 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:37,037 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:37,038 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:37,046 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:37,048 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:37,075 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:37,076 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:37,078 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:37,078 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:37,079 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:37,082 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:37,082 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:37,168 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_negated.i[228192,228205] [2025-02-08 01:47:37,169 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:47:37,203 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 01:47:37,222 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_negated.i[4492,4505] [2025-02-08 01:47:37,222 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_negated.i[4552,4565] [2025-02-08 01:47:37,279 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:37,280 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:37,281 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:37,281 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:37,282 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:37,290 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:37,295 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:37,296 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:37,297 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:37,297 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:37,298 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:37,298 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:37,298 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:37,399 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7526-7537] [2025-02-08 01:47:37,484 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:37,485 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:37,491 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:37,492 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:37,494 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:37,495 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:37,505 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:37,506 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:37,507 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:37,507 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:37,507 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:37,509 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:37,509 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:47:37,531 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_negated.i[228192,228205] [2025-02-08 01:47:37,531 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:47:37,773 INFO L204 MainTranslator]: Completed translation [2025-02-08 01:47:37,774 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:47:37 WrapperNode [2025-02-08 01:47:37,774 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 01:47:37,776 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 01:47:37,777 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 01:47:37,777 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 01:47:37,784 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:47:37" (1/1) ... [2025-02-08 01:47:37,889 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:47:37" (1/1) ... [2025-02-08 01:47:37,946 INFO L138 Inliner]: procedures = 763, calls = 2447, calls flagged for inlining = 68, calls inlined = 11, statements flattened = 643 [2025-02-08 01:47:37,947 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 01:47:37,948 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 01:47:37,948 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 01:47:37,948 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 01:47:37,961 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:47:37" (1/1) ... [2025-02-08 01:47:37,961 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:47:37" (1/1) ... [2025-02-08 01:47:37,974 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:47:37" (1/1) ... [2025-02-08 01:47:38,045 INFO L175 MemorySlicer]: Split 329 memory accesses to 9 slices as follows [8, 238, 2, 3, 2, 22, 6, 43, 5]. 72 percent of accesses are in the largest equivalence class. The 22 initializations are split as follows [0, 6, 2, 0, 0, 0, 0, 9, 5]. The 247 writes are split as follows [1, 232, 0, 1, 1, 1, 2, 9, 0]. [2025-02-08 01:47:38,045 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:47:37" (1/1) ... [2025-02-08 01:47:38,046 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:47:37" (1/1) ... [2025-02-08 01:47:38,090 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:47:37" (1/1) ... [2025-02-08 01:47:38,093 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:47:37" (1/1) ... [2025-02-08 01:47:38,102 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:47:37" (1/1) ... [2025-02-08 01:47:38,105 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:47:37" (1/1) ... [2025-02-08 01:47:38,115 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 01:47:38,121 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 01:47:38,121 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 01:47:38,121 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 01:47:38,122 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:47:37" (1/1) ... [2025-02-08 01:47:38,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:47:38,141 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:47:38,157 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 01:47:38,162 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 01:47:38,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2025-02-08 01:47:38,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2025-02-08 01:47:38,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2025-02-08 01:47:38,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2025-02-08 01:47:38,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2025-02-08 01:47:38,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2025-02-08 01:47:38,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2025-02-08 01:47:38,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2025-02-08 01:47:38,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2025-02-08 01:47:38,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 01:47:38,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-08 01:47:38,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-08 01:47:38,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-08 01:47:38,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-08 01:47:38,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-08 01:47:38,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-02-08 01:47:38,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-02-08 01:47:38,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-02-08 01:47:38,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-02-08 01:47:38,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-08 01:47:38,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-08 01:47:38,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-08 01:47:38,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-08 01:47:38,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-08 01:47:38,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-08 01:47:38,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-02-08 01:47:38,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-02-08 01:47:38,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-02-08 01:47:38,187 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-02-08 01:47:38,187 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-02-08 01:47:38,188 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-08 01:47:38,188 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-08 01:47:38,188 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2025-02-08 01:47:38,188 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2025-02-08 01:47:38,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-08 01:47:38,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 01:47:38,188 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_iter_next [2025-02-08 01:47:38,188 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_iter_next [2025-02-08 01:47:38,189 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2025-02-08 01:47:38,190 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2025-02-08 01:47:38,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-08 01:47:38,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-08 01:47:38,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-08 01:47:38,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-08 01:47:38,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-08 01:47:38,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-02-08 01:47:38,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-02-08 01:47:38,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-02-08 01:47:38,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-02-08 01:47:38,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 01:47:38,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 01:47:38,190 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-08 01:47:38,190 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-08 01:47:38,190 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-02-08 01:47:38,190 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-02-08 01:47:38,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-08 01:47:38,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-08 01:47:38,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-08 01:47:38,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-08 01:47:38,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-08 01:47:38,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-02-08 01:47:38,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-02-08 01:47:38,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-02-08 01:47:38,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-02-08 01:47:38,190 INFO L130 BoogieDeclarations]: Found specification of procedure s_get_next_element [2025-02-08 01:47:38,191 INFO L138 BoogieDeclarations]: Found implementation of procedure s_get_next_element [2025-02-08 01:47:38,191 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-08 01:47:38,191 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-08 01:47:38,191 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-08 01:47:38,191 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_iter_is_valid [2025-02-08 01:47:38,191 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_iter_is_valid [2025-02-08 01:47:38,191 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2025-02-08 01:47:38,191 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2025-02-08 01:47:38,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-08 01:47:38,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-08 01:47:38,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-08 01:47:38,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-08 01:47:38,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-08 01:47:38,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-02-08 01:47:38,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-02-08 01:47:38,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-02-08 01:47:38,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-02-08 01:47:38,191 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2025-02-08 01:47:38,191 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2025-02-08 01:47:38,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-08 01:47:38,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-08 01:47:38,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-08 01:47:38,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-08 01:47:38,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-08 01:47:38,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-02-08 01:47:38,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-02-08 01:47:38,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-02-08 01:47:38,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-02-08 01:47:38,192 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-02-08 01:47:38,192 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-02-08 01:47:38,192 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2025-02-08 01:47:38,192 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2025-02-08 01:47:38,192 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-02-08 01:47:38,192 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-02-08 01:47:38,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-08 01:47:38,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-08 01:47:38,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-08 01:47:38,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-08 01:47:38,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-08 01:47:38,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-08 01:47:38,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-02-08 01:47:38,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-02-08 01:47:38,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-02-08 01:47:38,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 01:47:38,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-08 01:47:38,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-08 01:47:38,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-08 01:47:38,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-08 01:47:38,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-08 01:47:38,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-02-08 01:47:38,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-02-08 01:47:38,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-02-08 01:47:38,195 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2025-02-08 01:47:38,196 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2025-02-08 01:47:38,581 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 01:47:38,583 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 01:47:38,637 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6935: havoc #t~malloc588.base, #t~malloc588.offset; [2025-02-08 01:47:38,661 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2590: havoc #t~ret57#1; [2025-02-08 01:47:38,664 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-02-08 01:47:38,817 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L10069: call ULTIMATE.dealloc(~#elemsize~0.base, ~#elemsize~0.offset);havoc ~#elemsize~0.base, ~#elemsize~0.offset; [2025-02-08 01:47:38,905 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9956: 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 01:47:38,930 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2630: havoc #t~bitwise60;havoc #t~short61; [2025-02-08 01:47:38,945 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2617: havoc #t~ret59#1; [2025-02-08 01:47:44,584 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#6(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#6(save_byte_from_array_~storage#1.base, save_byte_from_array_~storage#1.offset, 8); [2025-02-08 01:47:44,584 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7186: havoc save_byte_from_array_#t~mem634#1;call save_byte_from_array_#t~mem635#1 := read~int#6(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#6(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 01:47:44,585 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7186-1: 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 01:47:44,714 INFO L? ?]: Removed 146 outVars from TransFormulas that were not future-live. [2025-02-08 01:47:44,715 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 01:47:44,735 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 01:47:44,738 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 01:47:44,739 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:47:44 BoogieIcfgContainer [2025-02-08 01:47:44,739 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 01:47:44,741 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 01:47:44,741 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 01:47:44,745 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 01:47:44,745 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 01:47:34" (1/3) ... [2025-02-08 01:47:44,746 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b040c95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:47:44, skipping insertion in model container [2025-02-08 01:47:44,746 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:47:37" (2/3) ... [2025-02-08 01:47:44,747 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b040c95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:47:44, skipping insertion in model container [2025-02-08 01:47:44,747 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:47:44" (3/3) ... [2025-02-08 01:47:44,749 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_hash_iter_next_harness_negated.i [2025-02-08 01:47:44,763 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 01:47:44,765 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_hash_iter_next_harness_negated.i that has 17 procedures, 161 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-02-08 01:47:44,819 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 01:47:44,832 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;@60401d9f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 01:47:44,832 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-08 01:47:44,836 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 01:47:44,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2025-02-08 01:47:44,847 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:47:44,847 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 01:47:44,848 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:47:44,852 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:47:44,853 INFO L85 PathProgramCache]: Analyzing trace with hash -503260107, now seen corresponding path program 1 times [2025-02-08 01:47:44,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:47:44,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825547384] [2025-02-08 01:47:44,873 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:47:44,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:47:50,197 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 150 statements into 1 equivalence classes. [2025-02-08 01:47:50,627 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 150 of 150 statements. [2025-02-08 01:47:50,629 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:47:50,629 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:47:51,314 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 01:47:51,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:47:51,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825547384] [2025-02-08 01:47:51,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [825547384] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:47:51,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2044288323] [2025-02-08 01:47:51,318 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:47:51,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:47:51,318 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:47:51,323 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 01:47:51,324 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 01:47:56,320 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 150 statements into 1 equivalence classes. [2025-02-08 01:47:56,928 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 150 of 150 statements. [2025-02-08 01:47:56,928 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:47:56,928 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:47:56,949 INFO L256 TraceCheckSpWp]: Trace formula consists of 4560 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-08 01:47:56,960 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 01:47:56,980 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 01:47:56,981 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 01:47:56,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2044288323] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 01:47:56,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 01:47:56,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-02-08 01:47:56,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442702117] [2025-02-08 01:47:56,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 01:47:56,987 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-08 01:47:56,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 01:47:57,005 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-08 01:47:57,006 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 01:47:57,009 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 01:47:57,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 01:47:57,061 INFO L93 Difference]: Finished difference Result 315 states and 445 transitions. [2025-02-08 01:47:57,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-08 01:47:57,065 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 01:47:57,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 01:47:57,074 INFO L225 Difference]: With dead ends: 315 [2025-02-08 01:47:57,074 INFO L226 Difference]: Without dead ends: 148 [2025-02-08 01:47:57,080 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 01:47:57,083 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 01:47:57,083 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 01:47:57,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2025-02-08 01:47:57,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2025-02-08 01:47:57,123 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 01:47:57,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 193 transitions. [2025-02-08 01:47:57,131 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 193 transitions. Word has length 150 [2025-02-08 01:47:57,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 01:47:57,131 INFO L471 AbstractCegarLoop]: Abstraction has 148 states and 193 transitions. [2025-02-08 01:47:57,131 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 01:47:57,132 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 193 transitions. [2025-02-08 01:47:57,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2025-02-08 01:47:57,134 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:47:57,135 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 01:47:57,149 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 01:47:57,335 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 01:47:57,336 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:47:57,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:47:57,336 INFO L85 PathProgramCache]: Analyzing trace with hash 356817941, now seen corresponding path program 1 times [2025-02-08 01:47:57,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:47:57,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682689939] [2025-02-08 01:47:57,337 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:47:57,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:48:01,762 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 150 statements into 1 equivalence classes. [2025-02-08 01:48:01,959 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 150 of 150 statements. [2025-02-08 01:48:01,959 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:48:01,960 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:48:03,275 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 01:48:03,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:48:03,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682689939] [2025-02-08 01:48:03,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1682689939] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:48:03,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1155390725] [2025-02-08 01:48:03,276 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:48:03,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:48:03,277 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:48:03,279 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 01:48:03,280 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 01:48:07,907 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 150 statements into 1 equivalence classes. [2025-02-08 01:48:08,434 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 150 of 150 statements. [2025-02-08 01:48:08,434 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:48:08,434 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:48:08,455 INFO L256 TraceCheckSpWp]: Trace formula consists of 4560 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 01:48:08,469 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 01:48:10,256 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 01:48:10,257 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 01:48:10,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1155390725] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 01:48:10,257 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 01:48:10,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [4] total 8 [2025-02-08 01:48:10,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82409588] [2025-02-08 01:48:10,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 01:48:10,258 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 01:48:10,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 01:48:10,259 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 01:48:10,259 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2025-02-08 01:48:10,259 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 01:48:14,314 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 01:48:16,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 01:48:16,962 INFO L93 Difference]: Finished difference Result 277 states and 366 transitions. [2025-02-08 01:48:16,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 01:48:16,962 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 01:48:16,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 01:48:16,966 INFO L225 Difference]: With dead ends: 277 [2025-02-08 01:48:16,966 INFO L226 Difference]: Without dead ends: 154 [2025-02-08 01:48:16,967 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 01:48:16,968 INFO L435 NwaCegarLoop]: 162 mSDtfsCounter, 155 mSDsluCounter, 452 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 30 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s 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 01:48:16,968 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 01:48:16,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2025-02-08 01:48:16,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 150. [2025-02-08 01:48:16,995 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 01:48:16,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 197 transitions. [2025-02-08 01:48:17,001 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 197 transitions. Word has length 150 [2025-02-08 01:48:17,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 01:48:17,004 INFO L471 AbstractCegarLoop]: Abstraction has 150 states and 197 transitions. [2025-02-08 01:48:17,004 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 01:48:17,004 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 197 transitions. [2025-02-08 01:48:17,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2025-02-08 01:48:17,006 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:48:17,007 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 01:48:17,029 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-02-08 01:48:17,207 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 01:48:17,208 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:48:17,208 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:48:17,208 INFO L85 PathProgramCache]: Analyzing trace with hash -150292759, now seen corresponding path program 1 times [2025-02-08 01:48:17,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:48:17,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741234490] [2025-02-08 01:48:17,208 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:48:17,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:48:21,822 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 151 statements into 1 equivalence classes. [2025-02-08 01:48:21,971 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 151 of 151 statements. [2025-02-08 01:48:21,971 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:48:21,971 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:48:23,214 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 01:48:23,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:48:23,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741234490] [2025-02-08 01:48:23,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [741234490] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:48:23,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2104175040] [2025-02-08 01:48:23,215 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:48:23,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:48:23,215 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:48:23,220 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 01:48:23,222 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 01:48:27,732 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 151 statements into 1 equivalence classes. [2025-02-08 01:48:28,251 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 151 of 151 statements. [2025-02-08 01:48:28,251 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:48:28,251 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:48:28,274 INFO L256 TraceCheckSpWp]: Trace formula consists of 4565 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 01:48:28,280 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 01:48:31,361 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 01:48:31,361 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 01:48:35,472 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 01:48:35,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2104175040] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 01:48:35,473 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 01:48:35,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 8, 8] total 15 [2025-02-08 01:48:35,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884316653] [2025-02-08 01:48:35,473 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 01:48:35,474 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-02-08 01:48:35,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 01:48:35,478 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-02-08 01:48:35,478 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2025-02-08 01:48:35,479 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 01:48:39,548 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-08 01:48:43,918 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.37s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-08 01:48:52,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 01:48:52,408 INFO L93 Difference]: Finished difference Result 293 states and 390 transitions. [2025-02-08 01:48:52,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-08 01:48:52,409 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 01:48:52,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 01:48:52,411 INFO L225 Difference]: With dead ends: 293 [2025-02-08 01:48:52,411 INFO L226 Difference]: Without dead ends: 154 [2025-02-08 01:48:52,413 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 312 GetRequests, 291 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=76, Invalid=386, Unknown=0, NotChecked=0, Total=462 [2025-02-08 01:48:52,413 INFO L435 NwaCegarLoop]: 151 mSDtfsCounter, 249 mSDsluCounter, 1438 mSDsCounter, 0 mSdLazyCounter, 438 mSolverCounterSat, 119 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.5s 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, 15.4s IncrementalHoareTripleChecker+Time [2025-02-08 01:48:52,413 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [251 Valid, 1589 Invalid, 559 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [119 Valid, 438 Invalid, 2 Unknown, 0 Unchecked, 15.4s Time] [2025-02-08 01:48:52,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2025-02-08 01:48:52,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 150. [2025-02-08 01:48:52,431 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 01:48:52,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 194 transitions. [2025-02-08 01:48:52,433 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 194 transitions. Word has length 151 [2025-02-08 01:48:52,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 01:48:52,434 INFO L471 AbstractCegarLoop]: Abstraction has 150 states and 194 transitions. [2025-02-08 01:48:52,434 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 01:48:52,434 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 194 transitions. [2025-02-08 01:48:52,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2025-02-08 01:48:52,436 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:48:52,437 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 01:48:52,458 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 01:48:52,637 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 01:48:52,638 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:48:52,638 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:48:52,638 INFO L85 PathProgramCache]: Analyzing trace with hash -246483985, now seen corresponding path program 1 times [2025-02-08 01:48:52,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:48:52,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734219693] [2025-02-08 01:48:52,638 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:48:52,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:48:56,619 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 174 statements into 1 equivalence classes. [2025-02-08 01:48:56,779 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 174 of 174 statements. [2025-02-08 01:48:56,779 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:48:56,780 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat